Jobs in the United States

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Lead Quality Engineer, Test Automation & AI Products
Insight Global
Louisville-Jefferson County, KY
- From $62 USD / hour
Daily Responsibilities: A large healthcare organization is looking for a Lead Quality Engineer to lead quality engineering and test automation across its healthcare and AI products,…
Added just now
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Principal Platform AI Engineer, Healthcare Agentic AI
Insight Global
Louisville-Jefferson County, KY
- From $86 USD / hour
Daily Responsibilities: A large healthcare organization is looking for a Principal Platform AI Engineer to lead hands-on engineering for its enterprise Healthcare Agentic AI Platform. This…
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Software Engineer in Test (Python)
Hitachi Global
San Jose, CA
Test Frameworks: Fluent with the pytest framework, optionally testing the UI, especially with the Cypress framework. Working knowledge of continuous integration tools such as Jenkins,…
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Inside Solution Engineer - Edge AI and Advanced Compute Practice
HP
Fort Collins, CO
- $83,000 to $127,800 USD / year
· Maintain representative lab configurations and test new platforms, firmware, drivers, software releases, and ISV integrations against field use cases.
Added 1 min ago
Applications Software Engineer - Industrial Automation
Eurofins
Houston, TX
Eurofins Food & Feed Testing is seeking an Applications Software Engineer - Industrial Automation to design, develop, and maintain software solutions for custom laboratory automation and…
Added 2 mins ago
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Embedded Software Engineer
Actalent
North Reading, MA
- $75 to $85 USD / hour
Job Title: Embedded Software EngineerJob DescriptionThis role focuses on designing, developing, and debugging embedded software systems that directly interface with sensors, motor…
Added 2 mins ago
Senior Mechanical Engineer
Actalent
Norwood, MA
…production launch. Design and develop mechanisms, structures, test fixtures, and full machine or system-level solutions. Manage multiple concurrent engineering projects while meeting…
Added 2 mins ago
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Systems Engineer - Space And EO/IR Sensor Systems
Actalent
Acton, MA
- $150,000 to $200,000 USD / year
We are seeking an experienced Systems Engineer to support the development, integration, testing, and deployment of advanced space-based Electro-Optical/Infrared (EO/IR) sensor and payload…
Added 2 mins ago
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Electrical Engineer
Actalent
Sunnyvale, CA
- $105 USD / hour
Job Title: Electrical EngineerJob DescriptionThe primary role of an Electrical Engineer is to design, develop, test, and oversee the manufacturing and installation of electrical equipment,…
Added 2 mins ago
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Design Verification Engineer
Actalent
Santa Clara, CA
- $150,000 to $250,000 USD / year
…requirements, from individual hardware blocks through full hardware/software integration. This is a strong opportunity for engineers who enjoy debugging complex systems, identifying corner…
Added 2 mins ago
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Electronics Test Engineer
Actalent
Merritt Island, FL
- $36 to $43 USD / hour
Job Title: Integration and Test EngineerJob DescriptionThe Integration and Test Engineer defines, documents, analyzes, performs, and interprets tests for products, systems, components, and…
Added 2 mins ago
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Controls Engineer
Actalent
Sparta, TN
- $50 to $67 USD / hour
Job Title: Controls / Manufacturing EngineerJob DescriptionThe Controls / Manufacturing Engineer develops, improves, troubleshoots, and maintains manufacturing processes, automated…
Added 2 mins ago
IT - Software Engineer III
Bozzuto's, Inc.
Cheshire, CT
The Software Engineer III will design, develop, modify, and implement software solutions to support business operations within a fast-paced distribution center. This role involves…
Added 3 mins ago
Mission Operations Engineer (Entry-Level) - Millennium Space Systems
Millennium Space Systems
Chantilly, VA
As a Mission Operations Engineer, you will be the lead technical authority for Millennium’s on-orbit spacecraft. Your work will encompass the entire spacecraft mission life cycle, from the…
Added 3 mins ago
Software Developer, Phantom Works (Experienced or Senior)
The Boeing Company
Saint Charles, MO · Saint Louis, MO
Supports software system integration and test
Added 4 mins ago
BB
Specialist II-IC Quality Assurance
BMO Bank N.A.
Tempe, AZ
- $129,290.1 USD / year
…education equivalent) plus four (4) years of experience as Software Engineer, QA professional or related occupation testing ETL processes, writing SQL to validate data transformations in…
Added 4 mins ago
BB
Specialist II-IC Quality Assurance
BMO Bank N.A.
Tempe, AZ
- $129,290.1 USD / year
…education equivalent) plus four (4) years of experience as Software Engineer, QA professional or related occupation testing ETL processes, writing SQL to validate data transformations in…
Added 5 mins ago
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Sr DevOps Engineer (with C# Experience)
Capgemini
Burlington, MA, MA
- $76,730 to $150,800 USD / year
We are seeking a full-time DevOps Engineer with strong expertise in Jenkins CI/CD administration, build management, source control operations, and Azure infrastructure management. The role…
Added 7 mins ago
Senior QA Engineer
Cross River
Remote, United States
The ideal candidate thinks like a software engineer, takes ownership of quality, and continuously looks for opportunities to improve how we build, test, and release software. You are…
Added 8 mins ago
Senior Staff Software Engineer_Voice AI Agent Prompting
ServiceNow
Santa Clara, CA
The Forward Deployed Engineer, Voice AI Agent Engineering designs, builds, ships, and operates voice AI agents whose core behavior is model-driven rather than explicitly authored -…
Added 8 mins ago
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Cloud Engineer II (Full Time) - United States
Cisco
Milpitas, CA
- Full-time
Familiarity with software engineering practices such as code reviews, unit testing, integration testing, source control, CI/CD, secure coding, and maintainable design.
Added 9 mins ago
Chief Engineer- Production
V2X
Indianapolis, IN
Lead cross-disciplinary technical teams across systems, software, hardware, cybersecurity, integration, and test.
Added 10 mins ago
GPU Design Verification Engineer
ON, CA
Collaborates with Architecture, Software , Firmware, Design , Modeling, Emulation and Post-silicon validation teams to define and develop test methodology and content
Added 13 mins ago
RU
Factory Manager
Randstad USA
Garland, TX
- $120,000 to $150,000 USD / year
…high-end engineered surfaces is hiring an on-site Industrial Software & Automation Engineer. In this role, you will take technical ownership of plant software, automated controls…
Added 15 mins ago
IC
Pre-si Power and Performance System Validation Engineer
Intel Corporation
TX · CA · OR
- $52,000 to $200,000 USD / year
Collaborate with architecture, design, firmware, and software teams to ensure power, thermal, and performance meet competitive targets and specifications.

Trinzic

Principal Modeling & Simulation Software Engineer

Reston, VA, 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 KBRAt 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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