Jobs in the United States

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Senior Backend Engineer
Pyyne
New York City, NY
- $180,000 to $195,000 USD / year
…forward digital excellence. Our solutions range from advanced Software Engineering, Cloud, and Data & AI…
Added 1 min ago
Systems Integration Engineer II, Automated Drive
Rivian
Palo Alto, CA
Added 4 mins ago
Controls Engineer
Burford Corp
Maysville, OK
The Controls Engineer will support the success of the Sustaining Engineering team by designing programming, testing, and supporting PLC and HMI systems used in industrial bakery equipment.
Added 4 mins ago
Chief Engineer, USMC
Anduril Industries
Irvine, CA
…is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not…
Added 5 mins ago
Procurement Specialist
United States
…Specialist, Supply Chain Coordinator/Planner, Supplier Technical Engineer, Supplier Development Engineer, and reports directly to a Site Sourcing Manager or Supply Chain Manager. There is…
Added 6 mins ago
AF
Senior GenAI Developer
Accenture Flex LLC Company
United States
- $50 to $60 USD / hour
As an AI / ML Engineer, you will be responsible for developing applications and systems that utilize artificial intelligence tools and cloud artificial intelligence services, ensuring…
Added 6 mins ago
Software Sales Associate Director - Procurement Software/Tech
Accenture LLP Company
NY
As Associate Director, Software Sales you own end-to-end revenue accountability for an assigned product cluster and geography. You will lead complex enterprise sales cycles from origination…
Added 6 mins ago
A
Electrical Engineer
Actalent
Sunnyvale, CA
- $105 USD / hour
Job Title: Electrical EngineerJob DescriptionThe Electrical Engineer designs, develops, tests, and oversees the manufacturing and installation of electrical equipment, components, and…
Added 7 mins ago
Software Engineer (Back-end)
Cisco Systems, Inc.
Seattle, WA
Experience with data structures, algorithms, software design; and CI/CD pipelines, automated testing, and production debugging
Added 7 mins ago
AVD Steering Design Release Engineer
General Motors LLC
Warren, MI
…hardware and battery systems to intuitive design, intelligent software, and next-generation safety and entertainment…
Added 7 mins ago
Compartment Integration Design Engineer – 2D/3D Math and VR/MR
General Motors LLC
Warren, MI
…hardware and battery systems to intuitive design, intelligent software, and next-generation safety and entertainment…
Added 7 mins ago
Senior Studio Design Quality Engineering
General Motors LLC
Warren, MI
…hardware and battery systems to intuitive design, intelligent software, and next-generation safety and entertainment…
Added 8 mins ago
Staff Software Engineer - Agentic Automation
NVIDIA USA
CA
…that can comprehend the world. This pioneering work demands vision, innovation, and the world's best talent. Join our diverse and supportive environment, where NVIDIANs are inspired to…
Added 8 mins ago
Senior AI Engineer
NVIDIA USA
CA
…develop the future of agentic AI at scale. As the Senior AI Engineer in Operations, you implement our vision for codifying our decision logics and implement decision intelligence ensuring…
Added 8 mins ago
Principal Engineer - AV Simulation and Evaluation
NVIDIA USA
CA
We are seeking a Principal Software Engineer to architect and build core platform systems to accelerate Physical AI development, such as Autonomous Driving (AV) & Robotics. This is a…
Added 8 mins ago
MS
Principal SIEM Engineer - Vice President
MS Services Group, Inc.
Baltimore, MD
- $140,000 to $195,000 USD / year
…quantitative trading systems, cutting-edge modelling and simulation software, comprehensive risk and security systems, and robust client-relationship capabilities, plus the worldwide…
Added 9 mins ago
Leader, Hardware Engineering
Cisco Systems, Inc.
San Jose, CA
The Leader, Hardware Engineer is a key member of the Cisco Purpose Built Switch hardware team. The team is expected to bring up the system to work with multiple groups including ASIC, DFT,…
Added 10 mins ago
CO
Deputy City Engineer
City of Fortuna (CA)
Fortuna, CA
- $79,568.74 to $96,807.53 USD / year
Under the administrative direction of the City Engineer, to plan, organize, schedule, direct, and review the functions and activities of the City's Engineering Division; to perform a wide…
Added 10 mins ago
CO
Senior Projects Manager - Engineering
City of Fortuna (CA)
Fortuna, CA
- $79,568.74 to $96,807.53 USD / year
Under general direction from the City Engineer, completes, organizes, oversees, coordinates and reviews the work of staff performing difficult and complex professional, technical support…
Added 10 mins ago
Senior IT Systems Engineer
ExtraHop
Remote, United States
We are seeking a Sr. IT Systems Engineer to ensure the 24x7 availability and performance of our infrastructure through secure, scalable cloud solutions and automation. This is a hybrid…
Added 10 mins ago
Distinguished Hardware Engineer
Cisco Systems, Inc.
San Jose, CA
As a Distinguished Engineer, you will serve as a technical visionary and advisor to Cisco’s engineering business and senior management. You will lead and influence key industry boards,…
Added 11 mins ago
AU
Public Information Specialist
AtkinsRealis USA Inc.
United States
- $74,000 to $85,000 USD / year
Skilled in Adobe Creative Suite graphic design software.
Added 13 mins ago
Senior LIMS Engineer, Prenatal
BillionToOne
Union City, CA
We are looking for a Senior LIMS Engineer to join our Laboratory Information Management System (LIMS) team in support of clinical patient testing in our high-throughput CLIA lab. The Sr.…
Added 13 mins ago
HPC Engineer
GD Information Technology, Inc.
United States
We are seeking an HPC Engineer to join a Scientific Technologies team supporting high-performance computing (HPC) and scientific research at NIAID. This role focuses on the administration,…
Added 13 mins ago
LS
Senior Network Routing Design Engineer
Linchpin Solutions Inc
quantico, VA
- $115,000 to $155,000 USD / year
If you are looking for an exciting career opportunity in IT, engineering, software development, logistics, or project management, Linchpin Solutions is the place to be! We are currently…

KBR Wyle Services, LLC

Principal Modeling & Simulation Software Engineer

United States

On-site

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

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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

Original job description

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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