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Added 3 mins ago
Senior Principal Software Engineer
BAE Systems
Hudson, NH · Austin, TX · San Diego, CA
…where you’ll work with a diverse group of professionals who design the products and systems that support enhanced military capabilities, protect national security, and keep critical…
Added 13 mins ago
EE
Senior Electrical Engineer (Power Delivery)
Endurance Energy
Seattle, WA
- $200,000 to $250,000 USD / year
As Power Delivery Engineer, you will be Endurance’s principal technical expert on power systems and grid interconnection. You will own the engineering required to get power from our subsea…
Added 20 mins ago
Principal Chief Engineer & System Architect
Firestorm
United States
Build and lead a cross-product integration, test, and verification capability for complex hardware/software/UAS systems. Own the integration and verification approach, test architecture,…
Added 22 mins ago
Principal AI Engineer
Shared Staffing Services LLC
Beverly Hills, CA
The Principal AI Engineer is the senior technical leader for DLC's AI program, reporting to the VP of Artificial Intelligence. You will co-own DLC's AI strategy and roadmap with the VP of…
Added 24 mins ago
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Principal Application Software Engineer
Oracle
United States
- $99,600 to $209,500 USD / year
Lead the architecture, design, and implementation of enterprise-scale software systems and services.
Added 24 mins ago
O
Lead Principal Application Software Engineer
Oracle
United States
- $104,600 to $264,100 USD / year
…and guide new application features and enhancements following design specifications, ensuring accessibility, and develops documents to clarify application design and code. Leads process,…
Added 24 mins ago
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Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $114,600 to $234,600 USD / year
Join Oracle Cloud Infrastructure (OCI) as a Principal Core Infrastructure Engineer and play a pivotal role in shaping the future of cloud computing. In this role, you will lead the design,…
Added 24 mins ago
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Principal Software Engineer, Core Infrastructure
Oracle
Reston, VA
- $114,600 to $234,600 USD / year
Design fault-tolerant, highly available systems using redundancy, replication, failover, load shedding, throttling, and rate limiting.
Added 26 mins ago
Cybersecurity Lead Engineer/Architect
GCM Grosvenor
Chicago, IL
The Cybersecurity Lead Engineer/Architect is the firm’s most senior individual contributor in security, joining a lean security operations team responsible for the continued evolution,…
Added 32 mins ago
Integration Engineer
Bryan Health
Lincoln, NE
Creates mapping documents for HL7 fields and sub-fields by collecting Epic system values and values for the other systems to serve as a central reference for doing mapping among the various…
Added 35 mins ago
Principal Engineer
CURIA
United States
Principal Engineer – Filling & Lyophilization – United States
Added 35 mins ago
Principal Solution Architect
Neumo Holdings LLC
IL
We are hiring a Principal Solution Architect to own the target-state architecture for that platform. You will define what we build, how the pieces fit, and how existing products and…
Added 37 mins ago
Principle Systems Engineer - Autonomy Behavior Validation
General Motors LLC
Remote, United States
As a Principal Autonomy Behavior Systems Engineer, you will be the technical authority for how GM's autonomous vehicle behavior is defined, evaluated, and judged ready for release. Your…
Added 42 mins ago
Principal Structural Engineer
Cornerstone Energy Services
Portland, ME · Worcester, MA · Plymouth, MA
The Senior Civil/Structural Engineer leads civil and structural design for natural gas and LNG facility projects, from conceptual studies through construction and commissioning, and owns…
Added 44 mins ago
Senior Lead Design Engineer - RTL Design
Altera Corporation
San Jose, CA
Altera is seeking a Senior Lead Design Engineer - RTL Design to provide hands-on technical leadership for the RTL architecture, design, integration, and delivery of next-generation FPGA and…
Added 45 mins ago
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05488 - Principle Engineer - Aerospace Research and Development
Crafted Staff
Kalamazoo, MI
- $130,000 to $160,000 USD / year
Principal Engineer – Aerospace Research and Development
Added 46 mins ago
Associate Director Principal Engineer
AstraZeneca Pharmaceuticals LP Company
Mt. Vernon, IN
The Associate Director Principal Engineer is responsible providing technical support for process manufacturing, including investigation and correction of process-related problems and…
Added 48 mins ago
Principal Power Platform Engineer (R-19961)
Dun & Bradstreet
Center Valley, PA
The Principal Power Platform Engineer is responsible for designing and implementing intelligent, scalable and secure solutions built on Microsoft Power Platform with a strong focus on…
Added 48 mins ago
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Principal Power Platform Engineer (R-19961)
Dun & Bradstreet
Florham Park, NJ
- $147,000 to $247,000 USD / year
The Principal Power Platform Engineer is responsible for designing and implementing intelligent, scalable and secure solutions built on Microsoft Power Platform with a strong focus on…
Added 1 hour ago
Principal Transmission Engineer
WESTWOOD PROFESSIONAL SERVICES INC
Austin, TX
Westwood Professional Services, Inc. is seeking a Principal Transmission Engineer to join our team in our team. Westwood has a highly experienced and dynamic team of individuals dedicated…
Added 1 hour ago
Principal Transmission Engineer
WESTWOOD PROFESSIONAL SERVICES INC
Minnetonka, MN
Westwood Professional Services, Inc. is seeking a Principal Transmission Engineer to join our team in our team. Westwood has a highly experienced and dynamic team of individuals dedicated…
Added 1 hour ago
Principal Engineer - Integration, Test, & verification
Firestorm
United States
Build and lead a cross-product integration, test, and verification capability for complex hardware/software/UAS systems. Own the integration and verification approach, test architecture,…
Added 1 hour ago
Cleared Senior/Principal RD Systems Engineer - Mobile Guardian Transporter Quality, Hybrid
Sandia National Laboratories
Albuquerque, NM
We are seeking a highly motivated R&D Systems Engineer to join the MGT Quality team to support the Trailer Electronics team develop, implement, and maintain strategies to lead design and…
Added 1 hour ago
Cleared Senior/Principal R&D Mechanical Engineer - EMSAT Process Owner, Onsite
Sandia National Laboratories
Albuquerque, NM
We are seeking an experienced R&D Mechanical Engineer to lead and own manufacturing processes at Sandia's explosive components facilities. Your primary role will consist of working in a…
Added 1 hour ago
Senior/Principal Systems Engineer - Equipment Lifecycle Management (ELM) Team, Onsite
Sandia National Laboratories
Albuquerque, NM
We are seeking an Engineering and Operations Systems Engineer to provide systems-engineering expertise in support of asset management for mission-critical operations across Centers 7400 and…

Closed listing

KBR

Principal Modeling & Simulation Engineer

Reston, VA, United States

On-site

Compensation range for Virginia is $157,000 to $182,000.

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: Compensation range for Virginia is $157,000 to $182,000.
Workplace: On-site
Posting language: English
Posted: Nov 4, 2026

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Original job description

Archived listing. The details below describe a past opening.

Title:

Principal Modeling & Simulation 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 Principal Modeling & Simulation Engineer to join a dynamic, high-performing, multi-disciplinary team consisting of operational military and intelligence subject matter experts (SMEs), operations research analysts, modelers, and software engineers who conduct modeling, simulation, and analysis (MS&A) of emerging concepts using advanced MS&A techniques and tools. This team employs mission engineering, Joint operational planning, and emerging operational concepts to conduct kill chain and kill web analyses in support of combatant commands and Echelon 1 Department of War stakeholders. The selected candidate will:

Work independently on complex modeling and simulation tasks with minimal oversight.
Be able to think creatively and offer grounded, out-of-the-box solutions when appropriate.
Be comfortable working in a dynamic environment and with making or supporting decisions under uncertainty.
Support modeling, simulation, and software development efforts across the full analytic and software development lifecycles.
Support the analytic team lead in the execution of study plans.
Collaborate with military subject matter experts and other stakeholders to characterize architectures and concepts under study in the simulation environment.
Contribute to the development of modeling approaches, experiment designs, and analytic methods.
Instantiate combat system, platform, and behavior models in the simulation environment.
Instantiate kill chains, battle management command and control relationships, and other scenario-specific mission and operational factors in the simulation environment.
Support the development and instantiation of an experiment design in the simulation environment.
Provide technical guidance to less experienced engineers and analysts when required.
Contribute to the creation of quality deliverables and reports and quality control thereof.

Work Environment:

Location: On-site
Travel Requirements: Minimal 0-20%
Working Hours: Standard

Qualifications:

Required:

Bachelor of Science in Computer Science, Operations Research, or other STEM field, plus 8 years of relevant experience
5+ years of demonstrated proficiency developing and employing mission-level models within AFSIM or comparable simulation environments
Proven ability to translate models, behaviors, and other implementation concepts between disparate simulation frameworks.
Proficiency in C++, Python, or other programming language
Active Top-Secret clearance with Sensitive Compartmented Information (SCI) and Special Access Program (SAP) eligibility

Desired:

Master’s Degree in Computer Science, Operations Research, or other STEM field, with 10 years of relevant experience
6+ years of demonstrated proficiency developing and employing mission-level models within AFSIM or comparable simulation environments
Proficiency in model-based systems engineering tools such as CAMEO
Proficiency in SysML

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 $157,000 to $182,000.

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- and 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 defense and national security and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together.

KBR Benefits KBR offers a selection of competitive lifestyle benefits which 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
Work independently
Think creatively
Software development
Quality control
Computer science
Research
C++
Python
Microsoft Access
SAP

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