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Senior Software Engineer, YouTube Ads Marketplace Optimization
YouTube
Mountain View, CA
Experience in building and deploying recommendation systems models (retrieval, prediction, ranking, personalization, search quality, embedding) in production.
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Research Engineer, Responsibility, DeepMind
DeepMind
Mountain View, CA
…development to solve complex global challenges and accelerate high-quality product innovation for billions of users. We use our technologies for widespread public benefit and scientific…
Added 2 mins ago
PA
ELECTRONICS ENGINEER
Pacific Air Forces
Elmendorf AFB, AK
- $142,216 to $184,886 USD / year
As Lead Network Engineer, plans, organizes, directs and oversees the activities of the Joint Integrated Test and Training Center-Elmendorf (JITTC-E) network engineer team, ensuring that the…
Added 2 mins ago
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Information Technology Specialist (Cloud Engineer)
Patent and Trademark Office
Alexandria, VA
- $70,623 to $111,087 USD / year
Added 2 mins ago
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MECHANICAL ENGINEER
Naval Facilities Engineering Systems Command
San Diego, CA
- $121,585 to $158,062 USD / year
You will serve as a MECHANICAL ENGINEER in the Planning, Design and Construction Directorate (PDC) of NAVFAC SOUTHWEST.
Added 2 mins ago
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Healthcare Engineer
Veterans Health Administration
Bay Pines, FL
- $103,225 to $134,195 USD / year
The position serves as a Project Engineer for the The C.W. Bill Young VA Healthcare System. This position performs project planning, produces designs, manages designs, manages construction,…
Added 3 mins ago
Staff Forward Deployed Software Engineer
Jobgether
Remote, United States
…Our partner is looking for a Staff Forward Deployed Software Engineer based in the United…
Added 3 mins ago
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AI Infrastructure / Product Engineer
Jobgether
Remote, United States
- $180,000 to $260,000 USD / year
…steps. Our partner is looking for an AI Infrastructure / Product Engineer based in the United…
Added 5 mins ago
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SUPERVISORY INTERDISCIPLINARY
U.S. Army Corps of Engineers
Saint Louis, MO
- $109,137 to $145,483 USD / year
…and the review and approval of designs prepared by Architect/Engineer (A/E) firms. | Makes field trips to sites and/or existing facilities to examine or check conditions and advise on…
Added 5 mins ago
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Electrical Engineer
U.S. Coast Guard
Birmingham, AL
- $90,410 to $117,535 USD / year
This vacancy is for a GS - 0850 - 12, Electrical Engineer located in the Department of Homeland Security, U.S. Coast Guard, TRACEN BIRMINGHAM SOUTHERN TECHNICAL BRANCH in BIRMINGHAM,…
Added 6 mins ago
Solution Consultant Director, Partner channel
Omilia
Remote, United States
…pre-sales engagements. By setting the standard for solution quality, enabling the team, and acting as the most senior technical voice in strategic deals, the Solution Consultant Director…
Added 8 mins ago
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Civil Engineer (Area Engineer)
Natural Resources Conservation Service
Beavercreek, OR · Salem, OR · Hillsboro, OR
- $96,443 to $125,378 USD / year
Conduct quality assurance reviews of planned, designed, and constructed engineering projects in the assigned area. | Coordinate the planning, design, and construction of engineering…
Added 8 mins ago
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Electronics Engineer - DIRECT HIRE AUTHORITY
Air Force Materiel Command
Arlington, VA · Wright-Patterson AFB, OH
- $76,463 to $118,204 USD / year
The primary purpose of this position is to serve as a senior professional electronics engineer with systems engineering responsibility in assigned
Added 14 mins ago
Staff Engineer/Engineer-in-Training
Idaho Division of Human Resources
Lewiston, ID
Do you want to make a difference and be part of an award-winning agency, dedicated to enhancing the quality of life in Idaho through transportation? At the Idaho Transportation Department,…
Added 14 mins ago
Engineer Manager I
Idaho Division of Human Resources
Lewiston, ID
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Senior RAM Quality Engineer
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As an ID1 RAM Quality Engineer, you will help define and maintain quality standards, monitoring systems, and best-known methods that support defect detection and metrology operations. You…
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Full Stack AI Engineer
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Boise, ID
We are seeking an AI-Centric Full Stack Software Engineer to design, build, and support modern software solutions with a strong focus on AI-enabled applications and intelligent automation.…
Added 16 mins ago
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FIRE PROTECTION INSPECTOR
Pacific Air Forces
Eielson AFB, AK
- $84,439 to $109,777 USD / year
This position is Centrally Managed by the Civil Engineer Career Field, PCS cost will be paid IAW JTR and Air Force Regulation, DNRP is not authorized.
Added 16 mins ago
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PRODUCTION CONTROLLER
Army National Guard Units
Cedar Rapids, IA
- $61,722 to $80,243 USD / year
…the most effective and efficient manner possible with good quality control and quality assurance procedures in place. Coordinates with units and other support activities concerning the…
Added 18 mins ago
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INTERDISCIPLINARY
U.S. Army Corps of Engineers
Rock Island, IL
- $41,386 to $118,221 USD / year
…representative to call attention to discrepancies. | Maintains quality assurance operations. | Conduct pre-construction conferences to assure that the contractor has a clear understanding…
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Staff Software Development Engineer – iOS
CVS Health
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…a highly skilled and innovative Staff Software Development Engineer – iOS to join our growing digital engineering organization. This Staff Engineering role offers the opportunity to drive…
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Embedded Software Engineer (Associate, Mid-Level, or Lead)
The Boeing Company
Kirtland AFB, NM · Kirtland, NM
Boeing Defense, Space and Security (BDS) is looking for an Associate, Mid-Level, or Lead Embedded Software Engineer (Level 2, 3 or 4) to join our exclusive team at the Starfire Optical…
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Project Controls Engineer 3/4 (Project Controls 3/4)
Los Alamos National Laboratory
Los Alamos, NM
Demonstrated successful experience working on multiple projects with frequent interruptions, varying priorities and deadlines while maintaining excellent quality in daily work.
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Senior/Principal Systems Engineer - Technical Security Systems, Onsite
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Albuquerque, NM
The Technical Systems Security Department (9246) is seeking to find an Systems Engineer who will lead technical projects to enable Sandia to anticipate and prepare for changing global…
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Nuclear Engineer - Nuclear Incident Response Program, Onsite
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Albuquerque, NM
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Closed listing

KBR

Principal Modeling & Simulation Software Engineer

Reston, VA, United States

On-site

Compensation range for Virginia is $170,000 to $195,000

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: Compensation range for Virginia is $170,000 to $195,000
Workplace: On-site
Posting language: English
Posted: Nov 2, 2026

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Original job description

Archived listing. The details below describe a past opening.

Title:

Principal Modeling & Simulation Software Engineer At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Key Responsibilities:

KBR is seeking a highly skilled and experienced Principal Modeling & Simulation Software Engineer to join a dynamic, high-performing, multidisciplinary team of military domain SMEs, modelers, and analysts located in Northern Virginia. This team leverages advanced modeling, simulation, and analysis (MS&A) tools such as SAFE-SiM to shape and inform Concept Exploration, Course of Action Analysis, and Operational Planning efforts for Department of War (DoW) stakeholders. The ideal candidate shall:

Design, develop, and maintain modeling primitives, behaviors, and reusable software components using AFSIM scripting languages, C#, Razor, and other applicable technologies.
Implement new model capabilities and enhancements that accurately represent operational systems, platforms, sensors, weapons, command-and-control functions, and other mission-relevant entities.
Develop model compositions and complex behaviors by integrating lower-level primitives into reusable simulation constructs.
Create and execute verification and validation test plans to ensure model functionality, performance, and fidelity prior to integration into the core simulation framework.
Identify, troubleshoot, and resolve software defects and model performance issues through structured testing and debugging.
Prepare technical documentation describing model design, implementation approaches, assumptions, limitations, and test results.
Collaborate closely with software engineers, integration teams, analysts, and subject matter experts to ensure models meet mission and technical requirements.
Support integration, regression testing, and configuration management activities associated with deployment into enterprise modeling and simulation environments.
Provide technical guidance and peer reviews to promote software quality, consistency, and adherence to development standards.

Work Environment:

Location: On-site
Travel Requirements: Minimal 0-20%, supporting strong work-life balance
Working Hours: Standard

Qualifications:

Required:

Bachelor of Science in Computer Science, Software Engineering, or other STEM field with 10+ years of relevant experience
4+ years of modeling, simulation, and analysis (MS&A) experience with one or more mission-level combat simulation frameworks such as AFSIM, NGTS, ITASE, SAFE-SiM, or similar environments
Demonstrated proficiency in object-oriented software development using C#, C++, Python, or comparable programming languages
Experience developing, modifying, testing, and debugging models, behaviors, or simulation components within AFSIM or similar modeling and simulation environments
Experience applying software engineering best practices including version control, structured testing, documentation, and configuration management
Active Top-Secret clearance with Sensitive Compartmented Information (SCI) eligibility
Demonstrated ability to work effectively in a small, high-performance team environment
Strong collaborative skills with experience working in expert-driven, multidisciplinary teams

Desired:

Master of Science in Computer Science, Software Engineering, or other STEM field with 12+ years of relevant experience
Experience developing or modifying Razor-based model components
Experience developing reusable software libraries, model primitives, behaviors, or simulation extensions for integration into larger modeling and simulation frameworks
Familiarity with MBSE techniques and tools, with the ability to translate operational concepts and behavioral models into executable simulation capabilities
Familiarity with automated testing, continuous integration, or software quality assurance processes within modeling and simulation environments
Experience with source control, software configuration management, automated build pipelines, and CI/CD tools such as Git, GitLab, Jenkins, DevOps, or similar platforms
Experience representing military systems, sensors, weapons, effects, or command-and-control processes in mission-level simulations
Scheduled Weekly Hours:40hrs
Basic Compensation:The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.
Compensation range for Virginia is $170,000 to $195,000

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. Ready to Make a Difference?If you’re excited about making a significant impact in the field of national defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together.KBR BenefitsKBR 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.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people 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 People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. 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.

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Skills

people@work
C#
Troubleshoot
Debugging
Computer science
Software development
C++
Python
Programming languages
Documentation
Software libraries
Test automation
CI/CD
Quality assurance methodologies
Git
GitLab
Jenkins
DevOps

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