Jobs in the United States

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Added 4 mins ago
Lead Product Architect
Wolters Kluwer DXG U.S., Inc.
Coppell, TX
The ideal candidate combines deep expertise in software architecture, cloud-native engineering, distributed systems, and AI-powered application design with a strong understanding of modern…
Added 4 mins ago
Principal Software Engineer
Partners Capital
Boston, MA
Partners Capital is seeking a talented principal software engineer to join our Boston development team where the impact will be immediate and tangible. As a fast-growing company, we seek…
Added 4 mins ago
Principal Technical Program Manager - 2290
Kioxia
Folsom, CA
The Principal TPM will be based within KIOXIA America and serve as a senior program integration leader between the U.S. subsidiary and KIOXIA’s global headquarters in Japan, bringing…
Added 5 mins ago
Lead Software Engineer-Marketing Technology
AAPC
Remote, United States
Partner with our platform engineering team to meet the platform’s infrastructure, deployment, and observability standards, so the software and integrations you build run on our cloud…
Added 7 mins ago
Senior Principal Systems Integrator
Blue Origin Personnel, LLC
United States
As the Senior Principal Systems Integrator, you will be the operational engine that drives system-level decisions from identification to closure. You will own the cadence and rigor of…
Added 9 mins ago
GIS Cartographer
GD Information Technology, Inc.
United States
Ensure cartographic principal standardization, best practices, and procedures are utilized.
Added 11 mins ago
LW
Flight Software Engineer
Long Wall
Long Beach, CA
- $115,000 to $250,000 USD / year
2+ years of experience in the development of real-time or embedded software; level will be determined by the depth and breadth of relevant experience (senior and principal levels typically…
Added 14 mins ago
WI
(USA) Principal Software Engineer
Walmart Inc.
Sunnyvale, CA · Bellevue, WA · Bentonville, AR · Hoboken, NJ
- $143,000 to $286,000 USD / year
As a Principal Software Engineer in Walmart Global Tech's Growth Technology organization, you'll tackle engineering challenges at a scale few companies can match. We're looking for hands-on…
Added 17 mins ago
Principal Discipline Engineer
STC
United States
The EOSDIS Evolution and Development (EED) program supports NASA's Earth Science Data and Information System (ESDIS) in enabling global, open access to critical Earth observation data. STC…
Added 17 mins ago
Principal Software Developer
STC
United States
The EOSDIS Evolution and Development (EED) program supports NASA's Earth Science Data and Information System (ESDIS) in enabling global, open access to critical Earth observation data. STC…
Added 17 mins ago
Principal Software Engineer
STC
United States
The EOSDIS Evolution and Development (EED) program supports NASA's Earth Science Data and Information System (ESDIS) in enabling global, open access to critical Earth observation data. STC…
Added 23 mins ago
Senior Principal Software Engineer
BAE Systems
Hudson, NH · Austin, TX · San Diego, CA
We are seeking talented and driven, Senior Principal level Software Engineers to help us create the world's most advanced solutions in areas such as Electronic Warfare, Secure…
Added 24 mins ago
AS
Principal Software Engineering
AT&T Services, Inc.
Remote, United States
- $174,100 to $261,100 USD / year
As a Principal Software Engineering, you will be a lead architect for AT&T's AI-powered tools, automation platforms, and Agentic AI ecosystem, responsible for building and scaling the…
Added 27 mins ago
LANDFIRE Technical Lead
KBR
Sioux Falls, SD
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…
Added 38 mins ago
TD
Associate Princpial, Business Development - Enterprise Technology
TELUS Digital
Remote, United States
- $132,000 to $165,000 USD / year
- Custom Software Development: full-stack web, mobile, and backend engineering
Added 41 mins ago
Principal, AI/ML Engineer
Fidelity Technology Group, LLC
Covington, KY
Cognitive Computing Platform AI/ML Engineering – Principal Engineer
Added 43 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 44 mins ago
O
Principal Application Software Engineer
Oracle
United States
- $99,600 to $209,500 USD / year
…trusted technical advisor while remaining actively engaged in software design and development. This individual will collaborate closely with product, engineering, and platform teams to…
Added 44 mins ago
O
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 44 mins ago
O
Principal Software Engineer, Core Infrastructure
Oracle
Reston, VA
- $114,600 to $234,600 USD / year
As Oracle Cloud Infrastructure (OCI) continues its rapid expansion, we are seeking a skilled Software Engineer to join our newly established Cloud Performance Organization. This team plays…
Added 46 mins ago
Cybersecurity Lead Engineer/Architect
GCM Grosvenor
Chicago, IL
Partner with product and software engineering teams to enable secure AI engineering and development, embedding threat modeling, secure-by-design patterns, and safeguards.
Added 49 mins ago
Director Applied Analytics and Innovation Center
Des Moines University
West Des Moines, IA
Demonstrated record of securing competitive extramural research funding as a principal investigator, multi-principal investigator, or scientific project leader with substantial…
Added 55 mins ago
Principal Engineer
CURIA
United States
The Principal Engineer will lead equipment engineering for large capital projects in sterile filling and lyophilization to support Curia’s strategic growth. This includes leading…
Added 55 mins ago
Director, Enterprise Architecture
Stateside
Adelphi, MD
Information Technology, Computer Science, Information Systems, Software Engineering, Cybersecurity, Business Information Systems, or a related field (or equivalent combination of education…
Added 59 mins ago
FM
Sr QMSR Manager
Fresenius Medical Care
Waltham, MA
- $122,000 to $205,000 USD / year
Develops, implements, and maintains the activities of quality systems. Oversees development and implementation of standards, methods, and procedures for inspecting, testing, and evaluating…

KBR Wyle Services, LLC

Principal Modeling & Simulation Engineer

United States

On-site

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

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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

Original job description

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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