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Cornerstone Defense Interview Questions

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You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Let’s say you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.

The company has been consistently growing new users in the city from January to March.

What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

Cornerstone Defense Salaries by Position

Location: Annapolis Junction, Maryland Type: Contract Job 3271 Title: Software Engineer 3 Location: Annapolis Junction, MD Clearance: TS/SCI w/ Polygraph Compensation Range: $215k - $240k Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Description: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Level 3 Software Engineer (SWE) shall possess the following capabilities: Analyze user requirements to derive software design and performance requirements Debug existing software and correct defects Provide recommendations for improving documentation and software development process standards Design and code new software or modify existing software to add new features Integrate existing software into new or modified systems or operating environments Develop simple data queries for existing or proposed databases or data repositories Write or review software and system documentation Serve as team lead at the level appropriate to the software development process being used on any particular project Design or implement complex database or data repository interfaces/queries Develop or implement algorithms to meet or exceed system performance and functional standards Assist with developing and executing test procedures for software components Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas Modify existing software to correct errors, to adapt to new hardware, or to improve its performance Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products Implement recommendations for improving documentation and software development process standards Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met Recommend new technologies and processes for complex software projects Serve as the technical lead of multiple software development teams Select the software development process in coordination with the customer and system engineering Ensure quality control of all developed and modified software Delegate programming and testing responsibilities to one or more teams and monitor their performance Qualifications: Twenty (20) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources

Location: Annapolis Junction, Maryland Type: Contract Job 3274 Title: Software Engineer 2 Location: Annapolis Junction, MD Clearance: TS/SCI w/ Polygraph Compensation Range: $184k - $204k Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Description: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Level 2 Software Engineer (SWE) shall possess the following capabilities: Analyze user requirements to derive software design and performance requirements Debug existing software and correct defects Provide recommendations for improving documentation and software development process standards Design and code new software or modify existing software to add new features Integrate existing software into new or modified systems or operating environments Develop simple data queries for existing or proposed databases or data repositories Write or review software and system documentation Serve as team lead at the level appropriate to the software development process being used on any particular project Design or implement complex database or data repository interfaces/queries Develop or implement algorithms to meet or exceed system performance and functional standards Assist with developing and executing test procedures for software components Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas Modify existing software to correct errors, to adapt to new hardware, or to improve its performance Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products Implement recommendations for improving documentation and software development process standards Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met Qualifications: Fourteen (14) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources

Location: Annapolis Junction, Maryland
Type: Contract
Job #2871
Title:   Senior Software Engineer
(Telework available 3-4 days a week)
Location: Annapolis Junction, MD
Compensation Range: $210k - $230k
*Clearance:   *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

Preferred Qualifications      Experience as a contractor in the Intelligence Community.
Familiarity with and ability to build Encryption Libraries and Key Management Services.
Establish and apply best practices, to ensure successful implementation of solution designs through collaborative project team communication, planning documentation, system testing, and defect resolution.
Participate in project planning and project status communications.
Required Qualifications:      United States citizenship
Top Secret/SCI with Poly
BS computer science or related field (or 8 years of equivalent work experience)
Ability to communicate effectively and build rapport with team members and clients
8 or more years experience of Java
8 or more years experience with modern development practices
Deep understanding of Agile methodology
Desired Qualifications:  Our environment not only encourages you to learn new, emerging technologies to expand your skill set; it also provides you with opportunity to share your knowledge with our team of elite professionals. Skill or experience in the following is highly desired:     Experience with encryption and understanding of key management
5 or more years experience with REST APIs
AWS experience
React.JS experience
Service Oriented Architecture (SOA) experience
Experience with containerization and Kubernetes
Strong analytical troubleshooting and performance evaluation skills.
Must be an effective team member with strong communications skills and the ability to follow-through, stay motivated, and collaborate with all team members.
Ability to work in a matrix environment and partner with virtual teams
Ability to work independently, multi-task, and take ownership of various parts of a project or initiative
Ability to work under pressure and manage to tight deadlines or unexpected changes in expectations or requirements

Detailed Description and Job Requirements
An experienced consulting professional who has a broad understanding of solutions, industry best practices, multiple business processes or technology designs within a product/technology family. Operates independently to provide quality work products to an engagement. Performs varied and complex duties and tasks that need independent judgment, to implement products and technology to meet customer needs. Applies Oracle methodology, company procedures, and leading practices.
Demonstrates expertise to deliver functional and technical solutions on moderately complex customer engagements. Effectively consults with management of customer organizations. Ability to build rapport with team members and clients.
Telework 3-4 days/week is available.

Benefits Overview   :
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Location: Chantilly, Virginia
Type: Contract
Job #2827

Title: Software Engineer
Location: Herndon, VA
*Clearance:   *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

The Sponsor is looking for a Software Engineer to join an existing team in supporting small applications development environment requirements

1. (Mandatory) Demonstrated experience using JavaScript (JS).
2. (Mandatory) Demonstrated experience with these development languages: Java, NodeJS, and Angular.
3. (Desired) Demonstrated experience automating and scripting using Bash and Teraform.
4. (Desired) Demonstrated experience troubleshooting complex issues with managing and deploying applications in the cloud.
6. (Desired) Demonstrated experience with REST Web services and SOAP Web services.
7. (Desired) Demonstrated experience with Spring, Spring Security and Hibernate frameworks.
8. (Desired) Demonstrated experience with AWS CloudFormation Templates, Load Balancer, Autoscaling, Security Groups, S3 and KMS.
9. (Desired) Demonstrated experience automating configuration and provisioning of cloud resources.
10. (Desired) Demonstrated experience OpenSSL and TLS encryption protocols.
11. (Desired) Demonstrated experience administering databases like MySQL.
12. (Desired) Demonstrated experience administering no-SQL databases like MongoDB.
13.(Desired) Demonstrated experience installing and managing Apache, Tomcat and Express servers

<ul> <li> Location: Annapolis Junction, Maryland </li> <li> Type: Contract </li> <li> Job #2620 </li> </ul>Title: Cloud Software Engineer 2 Location: Annapolis Junction, MD Clearance: TS/SCI w/ Polygraph Compensation Range: $190k - $215k Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Description: The Cloud Software Engineer develops, maintains, and enhances complex and diverse Big-Data Cloud systems based upon documented requirements. Directly contributes to all stages of back-end processing, analyzing, and indexing. Provides expertise in Cloud Computing, Hadoop Eco-System including implementing Java applications, Distributed Computing, Information Retrieval (IR), and Object Oriented Design. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Level 2 Cloud Software Engineer shall possess the following capabilities: <ul> <li> Provide in-depth knowledge of Information Retrieval; assisting the software development team in designing, developing and testing Cloud Information Retrieval </li><li> Implement complex workflows that manage Cloud MapReduce analytics </li><li> Implement code that interacts with Cloud Distributed Coordination Frameworks </li><li> Oversee one or more software development tasks and ensures the work is completed in accordance with the constraints of the software development process being used on any particular project </li><li> Make recommendations for improving documentation and software development process standards </li></ul>Qualifications: <ul> <li> Eight (8) years' experience software engineering experience in programs and contracts of similar scope, type, and complexity is required; two (2) years of which must be in programs utilizing Big-Data Cloud technologies and/or Distributed Computing. </li><li> Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. </li><li> Four (4) years of cloud software engineering experience on projects with similar Big-Data systems may be substituted for a bachelor's degree. </li><li> Master in Computer Science or related discipline from an accredited college or university may be substituted for two (2) years of experience. </li><li> Cloudera Certified Hadoop Developer certification may be substituted for one (1) year of Cloud experience. (U) The following Cloud related experiences are required: </li><li> Two (2) years of Cloud and Distributed Computing Information Retrieval (IR). </li><li> One (1) year of experience with implementing code that interacts with implementation of Cloud Big Table. </li><li> One (1) year of experience with implementing code that interacts with implementation of Cloud Distributed File System. </li><li> One (1) year of experience with implementing complex MapReduce analytics. </li><li> One (1) year of experience with implementing code that interacts with Cloud Distributed Coordination Frameworks. </li></ul> Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

<ul> <li> Location: Annapolis Junction, Maryland </li> <li> Type: Contract </li> <li> Job #3396 </li> </ul>Title: Cloud Software Engineer 3 Location: Annapolis Junction, MD *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Compensation Range: $220k - $240k Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Description: The Cloud Software Engineer develops, maintains, and enhances complex and diverse Big-Data Cloud systems based upon documented requirements. Directly contributes to all stages of back-end processing, analyzing, and indexing. Provides expertise in Cloud Computing, Hadoop Eco-System including implementing Java applications, Distributed Computing, Information Retrieval (IR), and Object Oriented Design. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Level 3 Cloud Software Engineer shall possess the following capabilities: <ul> <li> Provide in-depth knowledge of Information Retrieval; assisting the software development team in designing, developing and testing Cloud Information Retrieval </li> <li> Implement complex workflows that manage Cloud MapReduce analytics </li> <li> Implement code that interacts with Cloud Distributed Coordination Frameworks </li> <li> Oversee one or more software development tasks and ensures the work is completed in accordance with the constraints of the software development process being used on any particular project </li> <li> Make recommendations for improving documentation and software development process standards </li> <li> Serve as a subject matter expert for Cloud Computing and corresponding technologies including Hadoop - assisting the software development team in designing, developing and testing Cloud Computing Systems </li> <li> Debug problems with Cloud based Distributed Computing Frameworks </li> <li> Manage multi-node Cloud based installation </li> <li> Delegate programming and testing responsibilities to one or more teams and monitor their performance </li> <li> Select the software development process in coordination with the customer and system engineering </li> <li> Recommend new technologies and processes for complex cloud software projects </li> <li> Ensure quality control of all developed and modified software </li> <li> Architect solutions to complex Cloud Software Engineering Problems such as efficiently processing and retrieving large amounts of data </li> <li> Make recommendations for improving documentation and software development process standards </li> </ul>Qualifications: <ul> <li> Twelve (12) years' experience software engineering experience in programs and contracts of similar scope, type, and complexity is required. </li> <li> Bachelor's degree in Computer Science or related discipline from an accredited college or university is required; four (4) years of which must be in programs utilizing Big Data cloud technologies and/or Distributed Computing. </li> <li> Four (4) years of cloud software engineering experience on projects with similar Big-Data systems may be substituted for a bachelor's degree. </li> <li> Master in Computer Science or related discipline from an accredited college or university may be substituted for two (2) years of experience. </li> <li> Cloudera Certified Hadoop Developer certification may be substituted for one (1) year of Cloud experience. </li> <li> The following Cloud related experiences are required: <ul> <li> Two (2) years of Cloud and/or Distributed Computing Information Retrieval (IR). </li> <li> One (1) year of experience with implementing code that interacts with implementation of Cloud Big Table. </li> <li> One (1) year of experience with implementing code that interacts with implementation of Cloud Distributed File System. </li> <li> One (1) year of experience with implementing complex MapReduce analytics. </li> <li> One (1) year of experience with implementing code that interacts with Cloud Distributed Coordination Frameworks. </li> <li> One (1) year of experience in architecting Cloud Computing solutions </li> <li> One (1) year of experience in debugging problems with Cloud based Distributed Computing Frameworks </li> <li> One (1) year of experience in managing multi-node Cloud based installation </li> </ul> </li> </ul> Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

Location: Herndon, Virginia Type: Contract Job 2806 Title: Software Engineer Location: Herndon, VA Clearance: Active TS/SCI w/ Polygraph needed to apply Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Job duties of the Software Development Engineer may include: Use customer tools (i.e., AppDynamics, ServiceNow) to develop and maintain dashboards that display useful system monitoring information for leadership and end usersDevelop, test and deploy updates to ServiceNow based on customer requirementsCollaborate effectively with ServiceNow System Engineers and developers to develop solutions and handle general updates and configuration changes/requestsProvide guidance to end users on how to make adjustments to system dashboardsUse experience and data trends to determine what system monitoring information/metrics should be collected and displayed to add value to the end userUse experience with customer's monitoring tools and knowledge of customer's strategic objectives to identify areas of improvement and recommend implementation plansResearch, design, develop, and/or modify enterprise-wide systems and/or applications softwareParticipate in in planning of system and development deployment as well as responsible for meeting software compliance standardsDocument testing and maintenance of system correctionsInteract with customers for support and servicesResearch, understand, and develop using new technologies and standards as neededHandle multiple tasks and adapt to a constantly changing environmentImplement corrective actions Required Education, Experience, & Skills : We are looking for experienced Software Development Engineers to join our technology-based program supporting a key Government customer. A Bachelor's or Master's degrees are preferred with a minimum of sixteen (16) year's relevant experience or at least eighteen (18) years' experience in lieu of a degree. Qualified candidates with the following skillsets can be considered: Strong understanding of ServiceNow Development Platform including, but not limited to, ITSM, ITOM, SPM, HR Module, Customer Service Management (CSM), Asset Management, Change Management, Customer Development, etc.Proven significant success developing and integrating ServiceNow products using JavaScript and other coding applicationsLinux scripting experience (Python, Java, Ruby, or .Net); working within the Linux CMD lineDevelopment experience in Cloud environment (Amazon Web Services)Ability to communicate effectively through written and verbal methodsAbility to handle multiple tasks and meet deadlinesAbility to work independently, and also work in a team environmentAptitude and willingness to work with variety of newer emerging technologies/tools as opportunities demandAbility to deliver enhanced functionality, aid with new implementations, and provide continuous support within the scheduled time while preserving system integrity requiredHigh degree of initiative, creativity, and technical ability to function on this team required Preferred Experience in AppDynamics development and integrationAWS Cloud Certification(s)

Location: Annapolis Junction, Maryland Type: Contract Job 3352 Software Engineer Clearance: Active TS/SCI w/ Polygraph needed to apply Compensation Range: $190k - $210k Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Responsibilities Analyze user requirements to derive software design and performance requirements Debug existing software and correct defects Provide recommendations for improving documentation and software development process standards Design and code new software or modify existing software to add new features Integrate existing software into new or modified systems or operating environments Develop simple data queries for existing or proposed datasets or data repositories Write or review software and system documentation Serve as team lead at the level appropriate to the software development process being used on any particular project Design or implement complex database or data repository interfaces / queries Develop or implement algorithms to meet or exceed system performance and functional standards Assist with development and executing test procedures for software components Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas Modify existing software to correct errors, to adapt to new hardware, or to improve its performance Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design Qualifications Required Education & Years of Experience: Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. Seven (7) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Required Skills Two (2) years experience for developing applications using specified programming language per the development requirements. Two (2) years of development for Windows or UNIX applications using general purpose languages (e.g., C, C++, C#, Java, and Python) Two (2) years of experience with DevOps building and deploying technologies (e.g., Artifactory, Dockery, Terraform, Ansible, Packer). One (1) year experience with Continuous Integration / Continuous Development (CI/CD) and CI/CD tools (e.g., Jenkins and Bamboo), and building automated CI/CD pipelines. Benefits Overview : Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans Generous PTO Policy 401(k) HSA and FSA options Life and Disability Insurance Tuition Reimbursement and Training Perks at Work Discount Program Referral Program Leads Generation Program CollegeAmerica 529 Fitness Reimbursement Program Travel Assistance Norton Lifelock Benefit Solutions Life Planning Financial & Legal Services

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Cornerstone Defense Salaries by Position

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