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Kbr, Inc. Interview Questions

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Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

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 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

Kbr, Inc. Salaries by Position

Title: Data Engineer Belong, Connect, Grow with KBR! The Advanced Analytics and Cloud Program within KBR is seeking a Data Engineer (Senior) for a future opportunity in Bloomington, Indiana (awaiting contract award). The program supports government customers within the Department of Defense (DoD) on various projects to develop solutions incorporating technologies such as machine learning, artificial intelligence (ML/AI) and cloud infrastructure. In this role you will be part of a diverse team of developers, data scientists and technology experts to solve complex problems Visa sponsorship is not offered for this position. RESPONSIBILITIES: You will work with government stakeholders to understand user requirements, develop technology recommendations, and implement solutions. You will be working with a dynamic team of Innovators, AI engineers and data scientists that are at the forefront of AI/ML application for the Department of Defense. You will focus on researching and developing leading-edge analytics enabled solutions, including applying smart algorithms, machine learning, artificial intelligence, and cloud technologies. Strong problem-solving, analytical skills, and excellent communication and teamwork abilities required. BASIC QUALIFICATIONS: Citizenship: Must be a US Citizen. Visa sponsorship is not offered for this position. Clearance: Active DOD Secret clearance or the ability to obtain and maintain. Travel: Occasional travel may be required. Education: Bachelors Degree Experience: At least 5 years of relevant technical experience Technical Skills: Extensive experience with Microsoft Azure to include proficiency in Azure Data Factory, Azure Databricks, Azure Synapse Analytics, and Azure SQL Databases. Familiarity with AWS cloud services. Strong proficiency in SQL and NoSQL databases. Expertise in ETL/ELT processes and tools to include building data pipelines. Experience with data warehousing and data lakes. Experience with Agile/Scrum methodologies. PREFERRED QUALIFICATIONS: Azure and/or AWS Certification(s) Experience with sensor and vehicle health data Experience with data processing frameworks like Apache Spark Proficiency in programming languages such as Python The selected candidate must live in Bloomington, Indiana, or the surrounding area in order to fulfill the duties of the position. KBR Benefits?: KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.? Inclusion and Diversity at KBR?: At KBR, we are passionate about our people, sustainability, and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a more inclusive and diverse company. That commitment is central to our team of teams philosophy and fosters an environment of real collaboration across cultures and locations. Our individual differences and perspectives bring enhanced value to our teams and help us develop solutions for the most challenging problems. We understand that by embracing those differences and working together, we are more innovative, more resilient, and safer. We Deliver Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Title: Data Scientist (Part-Time) Belong, Connect, Grow, with KBR! Program Summary KBR is seeking a Data Scientist to develop a series of courses in advanced data analysis using the R programming language and other Statistical Analysis tools for the Air Force Institute of Technology (AFIT). AFIT is the Air Forces graduate school of engineering and management as well as its institution for technical professional continuing education. AFIT is committed to providing defense-focused graduate and professional continuing education and research to sustain the technological supremacy of Americas air and space forces. AFIT/LS is the School of Systems & Logistics. Through their mission to develop and deliver acquisition and logistics education, the education faculty will rely on employees to support classroom training products, techniques, and tools. This effort is to support the development of courses focused on data science. The Air Force has a need to increase its investment in talent to help establish a data-driven culture. Job Summary Develop a series of courses in advanced data analysis using the R programming language and other Statistical Analysis tools. Assist AFIT/LS in researching, developing, editing, and maintaining course materials as necessary. We are seeking a data science educational specialist to manage curriculum development. The candidate will be expected to have expert knowledge of data preprocessing, data visualization, Python, C ++, R, MATLAB, and curriculum development. Roles and Responsibilities <ul><li>Research, develop, edit, and maintain course materials for advanced data analysis </li><li>May provide instructor assistance with posting/mailing student materials, student registrations, classroom support, coordinating guest speakers, teleconferences, and other faculty requested assistance pertaining to the course </li><li>Proficiency in Microsoft Office (Excel, Word, PowerPoint, Project) </li><li>Working knowledge and familiarity with statistical analysis tools </li><li>Experience with curriculum development </li><li>DoD experience and knowledge commensurate to the courses being developed </li> </ul>Basic Qualifications <ul><li>Bachelors Degree in Data Science & Analytics, Engineering, or Mathematics and 5 years experience in related field. </li><li>Must be a U.S. Citizen </li><li>Secret clearance or ability to obtain a secret clearance </li> </ul>Preferred Qualifications <ul><li>Masters Degree in Data Science & Analytics, Engineering, or Mathematics </li><li>DoD experience and knowledge commensurate to the courses being developed </li> </ul>KBR Benefits KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development. Inclusion and Diversity at KBR At KBR, we are passionate about our people, sustainability, and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a more inclusive and diverse company. That commitment is central to our team of teams philosophy and fosters an environment of real collaboration across cultures and locations. Our individual differences and perspectives bring enhanced value to our teams and help us develop solutions for the most challenging problems. We understand that by embracing those differences and working together, we are more innovative, more resilient. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Sr Research Engineer - Advanced Technology & Rapid Prototyping Title: Sr Research Engineer - Advanced Technology & Rapid Prototyping
Location: North Charleston SC, San Diego, CA, DC/metro Area with flexibility with remote and hybrid teleworking.
Job Description: KBR is a leading provider of innovative solutions for defense, technology, and information systems, specializing in advanced technology experimentation and integration. We work closely with government agencies, including the Department of Defense (DoD), to deliver cutting-edge solutions that enhance national security and technological capabilities.
Job Overview: We are seeking a highly skilled and experienced Senior Research Engineer to lead research, analysis, and development efforts in C4ISR systems integration and autonomous technologies. The Senior Research Engineer will focus on designing, developing, and integrating advanced technologies to ensure system security, cyber-resiliency, and operational effectiveness across a range of defense applications.
Key Responsibilities:
C4ISR Systems Integration:
Research, analyze, and assess integration of C4ISR and sensor systems and subsystems.
Develop prototype deployable communications, datalink, and sensor systems.
Implement and verify communication capability between devices, databases, and services with Government approval.
Cybersecurity and Resilience:
Assess system security and cyber-resiliency throughout the life cycle of C4ISR systems.
Develop recommendations for security controls, vulnerability assessments, and risk mitigation strategies.
Research and recommend a standardized framework for C4ISR products and cyber operations reporting.
Autonomous Technologies:
Conduct analysis and development for new or improved autonomous systems and technologies.
Develop engineering plans, system design plans, and requirements analysis for unmanned capabilities.
Research and recommend communication networking and infrastructure strategies for autonomous systems.
R&D and Engineering Analysis:
Perform research and development in open architecture, sensor integration, network design, and data processing.
Conduct engineering analysis, AoAs, and risk mitigation recommendations for hardware and software integration.
Collaborate with Government designers and engineers to resolve design and implementation challenges.
Qualifications:
Bachelor's degree in engineering, computer science, or related field (Master's degree preferred).
13+ years of experience in C4ISR systems integration, cybersecurity, and autonomous technologies.
Strong expertise in open architecture, sensor integration, network design, and data processing.
Experience with rapid prototyping, testing, and field deployment of communications and sensor systems.
Knowledge of cybersecurity frameworks, vulnerability assessments, and risk management strategies.
Individual may require 8140 / 8570 baseline certifications based on actual job duties.
Active Secret clearance.
Contract Award expected: Summer 2024. Positions are contingent upon award and funding.
Scheduled Weekly Hours: 40
Basic Compensation: $117,990 - $176,985. The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.
Additional Compensation: KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels, per internal policy or contractual designation. Additional compensation may be in the form of sign on bonus, relocation benefits, short term incentives, long term incentives, or discretionary payments for exceptional performance.
Benefits: KBR offers a selection of competitive lifestyle benefits which could include a 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.
KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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Title: Cyber Software Engineer KBR is seeking a Cyber Software Engineer to support the Navys newest network at Annapolis Junction MD. Help build and maintain this global network. Requirements: Provides expertise and direction in the development and/or modification of computer-based scientific, technical, and business software systems. Uses expertise to design develop, code, test, and debug software. May work in one or several areas, such as equipment or software design, engineering evaluation or test, configuration management procedures, statistical analysis, and modeling. Works with users to define existing or new system scope and objectives. Provides analytical support and technical advice during the conceptualization, development, and implementation phases. Plans and schedules new applications systems projects with user, systems software, and computer center operations personnel, including the identification of objectives, time frames, costs, and manpower requirements. Performs tasks necessary to ensure the identification and documentation of hazards within software systems using various analysis tools and techniques. Reviews and evaluates systems and software for adherence to government or commercial directives, standards, guidelines, and criteria concerning software safety and systems safety. Confirms design mitigations are captured in the design and its documentation and verifies implementation. May perform as a project lead with the responsibility for the instruction, assigning, direction, and monitoring of the performance of assigned systems developers / analyst working on a specific project. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Software Engineer - Big Data page is loaded Software Engineer - Big Data Apply locations Niceville, Florida time type Full time posted on Posted 3 Days Ago job requisition id R2085599 Title:
Software Engineer - Big Data ABOUT THIS POSITION
The successful Software Engineer candidate will be part of the KBR team supporting the Test Resource Management Center’s (TRMC) Big Data (BD) and Knowledge Management (KM) Team working on prototype BD and KM systems for DoD test ranges and various acquisition programs. The candidate will be responsible for assisting external users, groups, and vendors with integrating their software tools and / or products with the government owned and developed Cloud Hybrid Edge-to-Enterprise Evaluation & Test Analysis Suite (CHEETAS) framework. This will require obtaining a detailed understanding of the CHEETAS REST-based API and mechanisms for extending CHEETAS via plugins and external tools. Additionally, experience with Kubernetes is important to understand how to effectively extend the application’s functionality by deploying and managing containerized services. The successful candidate will have the ability to guide other external developers through the best way to integrate their tools with CHEETAS. In addition to integration efforts the ideal candidate will be adept at collecting and documenting use cases and requirements from stakeholders located at various Department of Defense (DoD) testing ranges and then either developing functioning software products to fulfill the documented requirements or handing the requirements off to other team members to develop. The developed tools will ultimately be integrated with TRMC’s highly visible data analytic project supporting multiple DoD ranges called CHEETAS. The successful candidate will work with data science, data engineer, and software development teams to support our customers by demonstrating to DoD range stakeholders the ‘art of the possible’ with CHEETAS and other standard commercial Big Data tools. This job will require interaction with DoD Range analysts and end users to discuss requirements and needs. This requires the ability to effectively communicate at both a programmatic and technical level. When not supporting integration efforts the successful candidate will be assigned software development tasks in support of data analytics tasks. Other duties include: documenting, managing configuration, testing, and bug fixing involved in creating and maintaining applications and frameworks involved within an agile software release life cycle and resulting in a software product. The successful candidate will be expected to utilize BD and KM tools and follow processes that ensure high quality software is delivered. Candidates must also possess significant experience writing, executing, creating both database queries and Python scripts. Software Engineers of all seniority levels are encouraged to apply and will be considered. Candidates must be self-motivated and capable of working independently with little supervision / direct tasking. Candidates must be comfortable working with a wide range of stakeholders and functional teams at various levels of experience physically located in every time zone nationwide, have excellent communication skills and be comfortable providing support to assist customers with installation and configuration of CHEETAS and the underlying ecosystems CHEETAS requires to function. This position is anticipated to require up to 25% travel based on workload to support end users located at various DoD Ranges across the CONUS and potentially Hawaii. Come join the CHEETAS team and be a part of the award-winning team responsible for revolutionizing how data analysis is performed across the entire Department of Defense!
BASIC QUALIFICATIONS
This position requires a bachelor's degree in Computer Science or a similar field, and 5-10 years of experience. Advanced degrees may be substituted for years of experience on a year-for-year basis. All candidates regardless of years of experience are encouraged to apply.
Previous experience must include five (5) years of software engineering, preferably within a DoD environment.
Active or Current Secret Clearance required – Top Secret preferred.
Ability to work independently and collaboratively in a team environment.
Excellent communication and interpersonal skills at all levels, encompassing written, verbal, and face to face interactions.
Exceptional troubleshooting and problem-solving skills.
Well organized and able to work under pressure.
A driven individual who exemplifies a ‘can-do’ attitude and is happy to go the extra mile for users.
Knowledge / Skills / Abilities:
Excellent written and verbal communications skills are desired, as the Software Engineer will be in frequent contact with end users, CHEETAS project technical lead and be taking direction from various contract & government leads.
Proficiency using at least one high-level programming language (C, C#, C++, Python, Bash, Java etc.)
Proficiency with web application technologies, such as JBoss, Apache Tomcat, NodeJS, etc.
Experience with developing containers and micro-services desired.
Experience working with external development teams is desired.
Experience with some of the following: Kubernetes, Docker, Helm Charts, Hadoop, Cloudera, Hortonworks, Apache Storm, Apache Spark, HBase, YARN, map-reduce, big-data analytics, semantic-web (RDF, OWL), Hive, Elastic Search, MS SQL Server Big Data, and graph-databases.
Experience using Python, R scripting, and SQL.
Knowledge of software design patterns and Agile Development methodologies.
Use of advanced Data Science techniques for Modeling and Simulation Programs a plus.
Knowledge of Distributed Testing and Training a plus.
Experience with a version control system (e.g., Git), issue/problem tracking system (e.g., Jira), team collaboration software (e.g., Confluence), continuous integration environments (e.g., Jenkins), cloud environment (e.g., Amazon Web Services (AWS), Microsoft Azure), and virtualization platforms (e.g., VMWare).
The Software Engineer must have the ability to work closely with other engineers to develop the best technical design and approach for new product development.
ADDITIONAL QUALIFICATIONS
The preferred candidate will have experience working in government/defense labs and their computing restrictions and have experience with extracting, transforming, and load process for T&E data.
Knowledge of the Test and Training Enabling Architecture (TENA), the Joint Mission Environment Testing Capability (JMETC), and Distributed Testing and Training is a plus.
Experience working with major DoD Acquisition programs such as Joint Strike Fighter (JSF) or Missile Defense Agency (MDA) is a plus.
Knowledge of DoD Cybersecurity policies is a plus.
KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

About Us KBR — Delivering Solutions, Changing the World.
KBR brings together the best and brightest to deliver science, technology and engineering solutions that help governments and companies around the world accomplish their most critical missions and objectives.
In everything we do, we are guided by our ONE KBR Values:
We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential.
We Deliver – We are uncompromising in our commitment to deliver innovative, high-quality, technology-led solutions for our customers and exceptional, sustainable value for all our stakeholders.
We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business.
We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision-makers, to be adaptive to change, and to succeed.
We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company.
We have also embedded environmental, social and governance (ESG) principles in every business operation and corporate function. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals.
Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries.
At KBR, We Deliver.
Fraud has infiltrated the job placement market via the internet, email and direct phone contact. Attempts have included unauthorized use of KBR’s name and logo to solicit potential job seekers or to extend false job offers. Bad actors may mix in fake job advertisements with legitimate postings. These ads can include contact instructions and require job seekers to send sensitive personal information or money to pay for visa applications, processing fees, etc., in exchange for consideration for a high-paying position.
KBR will never ask for any sort of advance payment as part of the recruiting/hiring process. Candidate profiles are carefully managed to protect personal information.

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Kbr, Inc. Interview Questions

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Kbr, Inc. Interview Questions

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