Jobs in the United States

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Added 1 min ago
Project Engineer
Actalent
Poway, CA
Position SummaryThe Project Engineer supports the planning and execution of engineering projects from concept through completion. This role works closely with senior engineers, project…
Added 2 mins ago
CE
Project Controls Manager - Transit
Colliers Engineering & Design
Los Angeles, CA
- $170,000 to $210,000 USD / year
With a staff of diversified, licensed professionals, our philosophy stems from the idea that successful project execution starts with people.
Added 2 mins ago
Senior Electrical / FPGA Engineer
Coherent Corp. US
Santa Clara, CA
Support integration of FPGA and embedded control systems with laser hardware and higher-level system controls.
Added 3 mins ago
CF
Senior Diagnostics Mechanical Engineer
Commonwealth Fusion Systems
Devens, MA
- $134,000 to $205,000 USD / year
Join the power movement as a Senior Diagnostics Mechanical Engineer
Added 3 mins ago
Framework Operations Engineer
SciTec
Boulder, CO
Maintain development, integration, and test environments to support program execution and test events.
Added 3 mins ago
Structural Field Engineer
Bechtel Corporation
New Albany, OH
The Structural Field Engineer reports to the Lead CSA Field Engineer and provides technical assistance, direction, and support to field supervision for the construction and installation of…
Added 3 mins ago
Structural Field Engineer
Bechtel Corporation
New Albany, OH
The Structural Field Engineer reports to the Area Field Engineer and provides technical assistance, direction, and support to field supervision for the construction and installation of…
Added 4 mins ago
Field Engineer
KYOCERA Document Solutions America, Inc.
UNAVAILABLE, NH · MA
As a Field Engineer, you will play a key role in delivering exceptional onsite technical support and managed services that help customers maximize the value and reliability of their IT…
Added 5 mins ago
AI and Data Science Solution Engineer
MIT Lincoln Laboratory
Lexington, MA
…systems, and soft targets / crowded places. It also includes support for law enforcement, special operations, and intelligence analysts who track and disrupt transnational criminal and…
Added 6 mins ago
Chief Engineer
Hyatt
Jacksonville, FL
The Chief Engineer is responsible for the oversight of the operation of the hotel. This includes the inside as well as the outside of the building. This person must be knowledgeable in…
Added 6 mins ago
Process Controls Engineer/Process Controls Analyst
Marathon Petroleum Logistics Services LLC
Canonsburg, PA
…East. This role provides technical stewardship and programming support for SCADA systems, PLC programs, and HMI systems. The position is responsible for implementing process controls…
Added 7 mins ago
Senior Project Engineer - Inertials (Onsite)
RTX
United States
…opportunity in our Design Engineering team for an experienced Project Engineer, located onsite at our Cheshire Connecticut facility. This position will be responsible for project management…
Added 7 mins ago
Project Engineer II (Onsite)
RTX
United States
Pratt & Whitney in North Berwick, Maine, is seeking a Project Engineer II. In this position, you'll be instrumental in coordinating project activities across multiple departments to…
Added 7 mins ago
Principal Project Engineer (Onsite)
RTX
United States
Pratt & Whitney is seeking an experienced Principal Project Engineer to lead and coordinate projects supporting commercial and military gas turbine static hardware. This role provides…
Added 7 mins ago
Manufacturing Engineer
RTX
United States
Raytheon is seeking a Manufacturing Engineer to support the TRIMM and Polarizer product line within our Microelectronics organization on 3rd shift. As a Manufacturing Engineer, you will be…
Added 7 mins ago
NS
DISTINGUISHED SCIENTIST/ENGINEER FOR USW THEATER OPERATIONS
Naval Sea Systems Command
Naval Base Newport, RI
- $192,695 to $209,600 USD / year
You will serve as the Distinguished Scientist/Engineer for USW Theater Operations for Code 25, Naval Undersea Warfare Center (NUWC), Division Newport (NUWCDIVNPT), serving as an expert and…
Added 7 mins ago
UP
GENERAL ENGINEER
U.S. Pacific Fleet
Bremerton, WA
- $114,695 to $171,396 USD / year
…experience in the private or public sector as a professional Engineer assisting in the planning and execution of shipboard design projects in support of the overhaul, maintenance or repair…
Added 10 mins ago
Sr Engineer - F&E EOS
Amgen
Washington D.C., DC
Sr Engineer - Maintenance Business Process Owner (BPO), Engineering Operations & Services, Facilities & Engineering
Added 10 mins ago
GCP Cloud Product Owner
Koniag Government Services
Washington, DC
…GCP Cloud Product Owner with a Secret security clearance to support KTS and our government customer in Washington, DC. The position is onsite with possibly hybrid availability. This…
Added 10 mins ago
Principal Cloud Security Engineer
Koniag Government Services
Washington, DC
Koniag Technology Solutions, Inc a Koniag Government Services company , is seeking a Principal Cloud Security Engineer with a Secret security clearance to support KTS and our government…
Added 10 mins ago
Specialist Mechanical Engineer - Static Equipment
Worley
AB, CA
…Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable…
Added 10 mins ago
C
Senior QA Automation Engineer - Playwright & Selenium
Cognizant
Washington, DC
- $50,000 to $92,500 USD / year
As a Senior QA Automation Engineer - Playwright & Selenium , you will play a key role in validating enterprise applications by developing and executing comprehensive test strategies across…
Added 11 mins ago
Senior Project Superintendent
SUNSHINE ENTERPRISE USA LLC
Fort Myers, FL
Support client, engineer, inspector and subcontractor coordination during critical phases, inspections, commissioning and closeout.
Added 12 mins ago
Lead Systems Engineer - Verification
Datex-Ohmeda, Inc.
United States
The Lead Systems Engineer will play a key role on the Infant Care team, leading systems engineering activities for next-generation Incubators and Warmers that help clinicians provide safe,…
Added 12 mins ago
Firmware Engineer
GE Medical Systems, L.L.C.
United States
We are seeking an entry-level Firmware Engineer to join our team supporting advanced Magnetic Resonance Imaging (MRI) systems. In this role, you will learn to design, develop, test, and…

KBR

Principal Modeling & Simulation Engineer

Reston, VA, 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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Skills

people@work
Work independently
Think creatively
Software development
Quality control
Computer science
Research
C++
Python
Microsoft Access
SAP

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