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Ecs Interview Questions

our services include:
industrial cleaning
exhaust cleaning
duct cleaning
water loss
fire restoration
mold remediation
carpentry repair
industries serviced:
warehousing
manufacturing
commercial real estate
residential real estate
areas of service:
100 mile radius of evansville, indiana

our services include:
industrial cleaning
exhaust cleaning
duct cleaning
water loss
fire restoration
mold remediation
carpentry repair

industries serviced:
warehousing
manufacturing
commercial real estate
residential real estate

areas of service:
100 mile radius of evansville, indiana

Overview

Ecs Interview Guides

Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

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?

Ecs Salaries by Position

ECS is seeking a Systems Engineering Manager to work in our Fairfax, VA office (hybrid).Please Note: This position is contingent upon contract award. Job Description: ECS is seeking talented professionals to join our successful and growing team in building the next-generation Continuous Diagnostics and Mitigation (CDM) Cyber data solution. The CDM Program is the Cybersecurity and Infrastructure Security Agency's (CISA) dynamic approach to strengthening the cybersecurity of Federal networks and systems through better awareness and visibility into their security posture and cyber threats. The CDM Data Services product is an integrated suite of multiple Commercial Off the Shelf (COTS) products, software configuration packages, and custom code which work together to operate as an integrated solution tailored to meet DHS requirements. We are seeking professionals who thrive in a dynamic, fast-paced, and highly collaborative environment where problem-solving, critical thinking, and a holistic approach to serving the mission are key.Our program operates within the Scaled Agile Framework (SAFe). An aptitude and enthusiasm for continuous learning, improvement, and cyber security is a must! ECS is seeking a Systems Engineering Manager to oversee multiple teams responsible for requirements management, security, and infrastructure. These verticals support development and delivery of CDM Data Services. The candidate will manage functional teams while interfacing with service delivery teams, customers, and other solution stakeholders. The candidate will drive best practices and ensure quality for requirements management, security, and infrastructure teams. While the primary focus will be on managing quality of work and resourcing of requirements, security, and infrastructure teams, the Systems Engineering Manager will also work closely with service delivery teams to ensure sufficient resourcing and optimize service delivery processes. This role will involve coaching teams to enhance operations and accelerate the value delivered from the solution and services. A passion to continuously identify areas of improvement, dissect problems, and find creative solutions to enhance service delivery, security, maintainability, scalability, resiliency, and overall quality is key. Required Skills: <ul> <li>US citizenship and ability to acquire Public Trust Suitability</li> <li>A Bachelor's degree or equivalent experience </li> <li>At least 10 years of experience managing the design, build, implementation, security, and operation of complex enterprise technology solutions for Federal customers</li> <li>At least 5 years of experience deploying and managing solutions in federal environments subject to NIST 800-53, FISMA, and FIPS 140-2 & 3 policies, including defining, designing, and implementing security controls </li> <li>At least 5 years of experience designing, implementing, securing, and maintaining solutions within Cloud Service Providers (AWS GovCloud preferred), including configuration management experience through Ansible/Terraform/Chef/Puppet/or similar</li> <li>At least 2 years of experience related to network security</li> <li>At least 5 years of experience defining, implementing, and refining processes to optimize operation of technology solutions </li> <li>At least 5 years of experience analyzing requirements for large-scale ($100M ) development contracts </li> <li>Experience with deployment, management, and security of tools and solutions in both Windows and Linux environments</li> <li>Demonstrated ability to effectively staff, retain, manage, and mentor teams and individuals to achieve program objectives</li> </ul>Desired Skills:<ul> <li>Experience as a Technical Lead for enterprise-wide software development / COTS integration programs </li> <li>Experience supporting Authority to Operate (ATO) processes and creating artifacts, control implementation details, Risk Management Frameworks (RMFs), and POA&Ms</li> <li>Experience analyzing vulnerability assessment data to identify technical risks to the organization </li> <li>Amazon Web Services (AWS) experience including the creation of CI/CD pipelines for solutions delivery, well-architected framework best practices, container orchestration platform support (ex: AWS EKS), and automation of Infrastructure as a Service (IaaS) infrastructure creation using CloudFormation, AWS Service Catalog, and GitLab</li> <li>Experience with ALM tools, especially Jira</li> <li>Experience with big data platforms, especially Elasticsearch</li> </ul> ECS is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. ECS promotes affirmative action for minorities, women, disabled persons, and veterans. ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3800employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.

ECS is seeking a Software Engineer/Applications Programmer (Senior) to work in our Morgantown, WV office. Please Note: This position is contingent upon contract award. Job Description: ECS is seeking a qualified Software Engineer/Applications Programmer (Senior) to support transformative science and technology solutions for the Department of Energy. This individual will be responsible for building .NET Framework Programs using multiple languages and technologies to include ASP.Net, MVC 4 , Web API, C#, Entity, Core 2 as well as JavaScript, CSS, HTML, Bootstrap. Your duties will include hands-on writing, reviewing, and testing code for both the front-end and back-end of the application. Your primary responsibility will be to design and develop the appropriate system functionality and to coordinate with the rest of the team working on different layers of the infrastructure. A commitment to collaborative problem solving, sophisticated design, and quality product is essential within the team concept of the development of the application. Daily activities include: <ul> <li>analyze functional business applications and design specifications for functional areas such as finance, accounting, personnel, manpower, logistics, and contracts</li> <li>develop block diagrams and logic flow charts</li> <li>translate detailed design into computer software</li> <li>test, debug, and refine the computer software to produce the required product</li> <li>prepare required documentation, including both program-level and user-level documentation</li> <li>enhance software to reduce operating time or improve efficiency</li> <li>provide technical direction to programmers to ensure program deadlines are met</li> <li>experience in information system design, including application programming on large-scale DBMS and the development of complex software to satisfy design objectives.</li> </ul> Required Skills: <ul> <li>Master's Degree in software engineering, computer engineering, computer science, information technology, or a related field AND four years of practical experience in programming and coding </li> </ul> OR <ul> <li>Bachelor's Degree in software engineering, computer engineering, computer science, information technology, or a related field AND six years of practical experience in programming and coding </li> </ul> OR <ul> <li>Ten years of practical experience in programming and coding </li> <li>Must be eligible to obtain and maintain a Top Secret or DOE Q clearance throughout the life of the contract</li> <li>Must be a US Citizen</li> <li>Must currently live in Morgantown, WV or willing to relocate</li> <li>Ability to work independently and as part of a team</li> </ul> Desired Skills: <ul> <li>Active Top Secret or DOE Q Clearance with the ability to maintain clearance throughout the life of the contract.</li> <li>Two or more years experience supporting US Government customers</li> <li>Project Management Professional certification</li> <li>Experience supporting complex government and programs of a research and development nature</li> <li>Experience with data storage, standards, and structuring of data. </li> <li>Experience utilizing containerization technologies (e.g., Docker, podman)</li> <li>Ability to automate data engineering processes within Linux environments including data wrangling and AI model development enablement</li> <li>Highly proficient in software and network security, back-up, and recovery specifications. </li> <li>Highly skilled in managing servers access for multiple, simultaneous, external vendors, Government, academia, and industry. </li> <li>Ability to coach/mentor junior technical resources.</li> </ul> ECS is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. ECS promotes affirmative action for minorities, women, disabled persons, and veterans. ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3800 employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.

ECS is seeking a Software Engineer/Applications Programmer (Int) to work in our Morgantown, WV office. Please Note: This position is contingent upon contract award. Job Description: ECS is seeking a qualified Software Engineer/Applications Programmer (Int) to support transformative science and technology solutions for the Department of Energy. This position will support the execution of multiple projects. Initial efforts will be focused upon system integration, design, and testing of software solutions. Responsibilities include: Designs and codes software components, units, and modules that meet product specification and development schedules. Tests and debugs assigned components and units, Participated in large system and subsystem planning. Adheres to product build and release schedules and strategies. Acts as a technical resource for lower-level developers. Requires comprehensive knowledge of one or more platforms and operating systems, and of programming languages. Typically requires knowledge of one or more systems architectures. Familiar with a variety of the field's concepts, practices, and procedures. Relies on experience and judgment to plan and accomplish goals. Performs a variety of complicated tasks. A wide degree of creativity and latitude is expected. Works under general supervision. This position requires technical skills in areas such as software development and systems engineering and enterprise application integration. The candidate works closely with the Project Manager, Technical Lead, direct customer leadership, and third-party modeling partners to swiftly develop solutions in an agile environment and deploy capabilities to the operational end user. The candidate cultivates an environment that promotes customer service, excellence, innovation, collaboration and teamwork. Required Skills: <ul> <li>Bachelor's Degree in software engineering, computer engineering, computer science, information technology, or a related field AND two years of practical experience in programming and coding</li> </ul> OR <ul> <li>Associate's Degree in software engineering, computer engineering, computer science, information technology, or a related field AND four years of practical experience in programming and coding</li> </ul> OR <ul> <li>Six years of practical experience in programming and coding</li> <li>Must be eligible to obtain and maintain a Top Secret or DOE Q clearance throughout the life of the contract</li> <li>Must be a US Citizen</li> <li>Must currently live in Morgantown, WV or willing to relocate</li> <li>Ability to work independently and as part of a team</li> </ul> Desired Skills: <ul> <li>Active Top Secret or DOE Q Clearance with the ability to maintain clearance throughout the life of the contract.</li> <li>Two or more years experience supporting US Government customers</li> <li>Project Management Professional certification</li> <li>Experience supporting complex government and programs of a research and development nature</li> <li>Experience with data storage, standards, and structuring of data. </li> <li>Experience utilizing containerization technologies (e.g., Docker, podman)</li> <li>Ability to automate data engineering processes within Linux environments including data wrangling and AI model development enablement</li> <li>Highly proficient in software and network security, back-up, and recovery specifications. </li> <li>Highly skilled in managing servers access for multiple, simultaneous, external vendors, Government, academia, and industry. </li> <li>Ability to coach/mentor junior technical resources.</li> </ul> ECS is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. ECS promotes affirmative action for minorities, women, disabled persons, and veterans. ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3800 employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.

Ecs Interview Questions

Overview

Ecs Interview Guides

Ecs Interview Questions

Ecs Salaries by Position

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