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Added 7 mins ago
Engineering Change Coordinator - Leeds, AL
Hubbell Incorporated
Leeds, AL
The Engineering Change Coordinator is responsible for coordinating and driving engineering changes for Engineer-to-Order products from identification through implementation and closure. The…
Added 8 mins ago
Principal Site Reliability Engineer
HITACHI ENERGY USA INC
Raleigh, NC · Atlanta, GA · Houston, TX · Broomfield, CO
Hitachi Energy is seeking a Principal Site Reliability Engineer to ensure the secure, reliable, and efficient operation of cloud‑hosted environments that support ESS software products and…
Added 10 mins ago
C
Principal Supplier Quality Engineer
Cordis
Irvine, CA
- $111,650 to $165,000 USD / year
The Principal Supplier Quality Engineer (SQE) will be responsible for ensuring the quality and compliance of suppliers and components used in the company’s products. This role involves…
Added 11 mins ago
Engineer Mission Assurance / Principal Engineer Mission Assurance - 20615
CORP-Corporate Office
United States
Northrop Grumman Defense Systems is seeking to hire a Mission Assurance Engineer to join the Strategic Deterrent Systems (SDS) division. The position is located in Roy, UT and supports the…
Added 11 mins ago
Sr. Principal Mechanical Drafting Design Engineer
CORP-Corporate Office
United States
Northrop Grumman Corporation is offering a challenging and rewarding career as a Sr. Principal Mechanical Drafting Designer within the Mission Systems Sector located at the Rolling Meadows…
Added 11 mins ago
Sr. Principal Electrical Engineer IV
SP - Launch Vehicles
United States
Northrop Grumman Space Systems is currently seeking a Lead Sr. Principal Electrical Engineer (Strike) in our Chandler AZ facility.
Added 13 mins ago
Engineer
ON, CA
…a smarter, connected future for all. As a Qualcomm Software Engineer, you will design, develop, create, modify, and validate embedded and cloud edge software, applications, and/or…
Added 22 mins ago
Lead Principal Application Software Engineer
Oracle
United States
Leads strategic initiatives to optimize software testing (e.g., functional and non-functional), quality assurance processes, software error logging, monitoring, and observability for…
Added 24 mins ago
Principal Cloud Data Architect (Microsoft Fabric and Azure)
Children's Health
Dallas, TX
Job Title & Specialty Area: Principal Cloud Data Architect (Microsoft Fabric and Azure)
Added 25 mins ago
Principal Validation Engineer
CURIA
Albuquerque, NM
Working as part of a cross-functional NPI team, the NPI Principal Validation Engineer partners with Program Management, Manufacturing, Technical Operations, Quality, Regulatory Affairs,…
Added 26 mins ago
Staff Software Engineer
RealWork
Austin, TX
We're looking for a Staff Software Engineer to join our small but growing engineering team. The ideal candidate will have demonstrable expertise in product development, data engineering,…
Added 38 mins ago
Principal Engineer, Radomes and Composites
RTX Corporation
plano, TX
Raytheon’s Airborne Sensor RF Design Department is seeking a Principal Radomes and Composites Engineer to support the Next Generation Jammer (NGJ) program onsite at our Plano, Texas,…
Added 51 mins ago
SI
Lead Full Stack Security (Systems & Software) Engineering (GRC)
Salesforce, Inc.
WA
- $172,500 to $260,100 USD / year
…Compliance (GRC) platform at Salesforce. As a lead full stack engineer, you own the architecture, technical roadmap, and delivery of the platform's core engines, including policy as code,…
Added 54 mins ago
Systems Engineer
Actalent
Colorado Springs, CO
Job Title: DARC Systems Test EngineerJob DescriptionThe DARC Systems Test Engineer plays a key role in translating complex customer concepts and operational needs into clear, testable…
Added 57 mins ago
Principal Engineer - Customer Domain & Customer Central
Toyota Tsusho Systems
Plano, TX
We are seeking a highly motivated and experienced Principal Engineer with 12+ years of experience in customer data platforms, enterprise architecture, and engineering leadership. This role…
Added 59 mins ago
Principal ELINT Processing Engineer
HawkEye 360
Herndon, VA
HawkEye 360 is seeking a Principal ELINT Processing Engineer to lead the development, integration, and optimization of our ELINT geolocation processing systems. This senior technical role…
Added 1 hour ago
OP
Head Custodian - Engineer - Licensed
Omaha Public Schools
Omaha, NE
- From $29.15 USD / hour
Job Title: Head Custodian - Engineer - Licensed
Added 1 hour ago
OP
Head Custodian - Engineer - Licensed
Omaha Public Schools
Omaha, NE
- From $29.15 USD / hour
Job Title: Head Custodian - Engineer - Licensed
Added 1 hour ago
Extrusion Operator II - 1st Shift
COV Covidien LP
Plymouth, MN
This manufacturing role supports the extrusion function, producing miniature, precision plastic tubing to established quality standards and production requirements. The Extrusion Operator…
Added 1 hour ago
Senior Quality Engineer
MED Medtronic Inc
Tempe, AZ
In this exciting role as a Senior Quality Engineer you will have responsibility for the Quality and Compliance of process development and manufacturing of implantable Cardiac and…
Added 1 hour ago
2027 Summer Internship: Design Engineer- Future Chassis
PACCAR
Denton, TX
PACCAR is a global technology leader in the design, manufacture and customer support of high-quality light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates.…
Added 1 hour ago
Cardiac Rhythm Management Technical Field Engineer - Salt Lake City, UT
MDU Medtronic USA Inc
Remote, United States
…region performance. Provide feedback to product development, quality, education, and marketing teams regarding product performance to improve future…
Added 1 hour ago
Senior Test Engineer, CRM
MED Medtronic Inc
Minneapolis, MN
Ensure understanding of all quality policy/system items that are personally applicable. Follow all work/quality procedures to ensure quality system compliance.
Added 1 hour ago
T
Developer
TEKsystems
Cary, NC
- $68.07 USD / hour
Description:We are seeking a Sr. Software Engineer to support our IT organization. The IT team delivers high-quality software solutions that provide measurable business value. In this role,…
Added 1 hour ago
Principal Technical Integrator Engineer
STR
Las Vegas, NV
STR is seeking a Principal Technical Integration Test Engineer to join a new group focused on the complex test and evaluation challenges that exist in the modern world. You will help build…

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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About employer

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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