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Added 8 hours ago
Sr. Industrial Engineer
Electron Energy Corporation
Lancaster, PA
The Senior Industrial Engineer is responsible for improving manufacturing capacity, productivity, flow, and capital effectiveness through industrial engineering analysis, factory modeling,…
Added 21 hours ago
Industrial Engineer Sr - E3
Lockheed Martin
Grand Prairie, TX · Grand Prairie
…Will work with the Industrial Engineering team to analyze and design sequence of operations and work flow to improve efficiencies in plant and production facilities and equipment layouts;…
Added 1 day ago
Sr Mechanical Engineer - Illumination Optics
Garmin International, Inc.
Cary, NC · Olathe, KS
Conduct optical simulation and analysis for concept development and design change verification
Added 2 days ago
Sr. Test Engineer, Mechanical Systems
Form Energy, Inc
Weirton, WV
Form Energy is hiring a Senior Test Engineer to join our Systems Test organization onsite at Form Factory 1 (FF1) in Weirton, West Virginia. In this role, you will be the primary on-site…
Added 2 days ago
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Sr. Robotics Design Engineer: Government Projects
GrayMatter Robotics
Carson, CA
- $140,000 to $175,000 USD / year
The Senior Robotics Design Engineer: Government Projects will enable project success by leading the design, implementation and testing of complex robotic systems including integration of…
Added 3 days ago
Systems Engineer Sr Stf - E5
Lockheed Martin
Fort Worth, TX · Fort Worth
You will be a Lead Systems Engineer for the F-35 Reprogramming Labs on the Simulation & System Labs (SSL) Common Stimulator team. This team manages supplier development and delivery of…
Added 3 days ago
Sr Software Engineer, Modeling and Simulation Onsite
RTX
United States
Raytheon’s Mission Applied Science & Technology (MAST) directorate is seeking a Senior Software Engineer to join our Factory and Data Solutions team. This role focuses on developing a…
Added 4 days ago
Sr. Device Physics Engineer, Solar Cells (Starlink)
SpaceX
Bastrop, TX
We are seeking an exceptional Sr. Device Physics Engineer to lead end-to-end cell efficiency ownership in our high-volume silicon heterojunction (SHJ) solar cell fab. Acting as the central…
Added 4 days ago
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Sr. Security Engineer, Operations
Microsoft AI
NY · Mountain View, CA · Redmond, WA
- $119,800 to $261,000 USD / year
…MAI evolved from a research lab to a full production model factory. This role is designed for an engineer who has independently built and operated production engineering or security…
Added 4 days ago
Sr. EO/IR Systems Engineer
HEICO
Santa Barbara, CA
Santa Barbara Infrared, Inc. (SBIR) is recruiting for the position of Senior Electro-Optical/Infrared (EO/IR) Systems Engineer. As a member of SBIR's Systems Engineering Group and reporting…
Added 7 days ago
Mission Assurance Engineer
SAIC
Redondo Beach, CA
SAIC is looking for a Sr. Mission Assurance Engineer with technical expertise in major space systems acquisitions mission assurance. This position is in Redondo Beach, California requiring…
Added 8 days ago
Sr. Manufacturing HW Eng, AI/ML & Storage server development
Amazon Data Services, Inc.
Seattle, WA
We are seeking a Cloud Hardware Development Engineer (Manufacturing) to drive manufacturing excellence across our server portfolio. Depending on the specific role, you will own NPI…
Added 9 days ago
Industrial Engineer Sr Stf - E5
Lockheed Martin
Troy, AL · Troy
Lockheed Martin Missiles and Fire Control is seeking an Industrial Engineer Sr Stf for our Missile Assembly team at Pike County Operations (PCO) in Troy, Alabama. Our team is responsible…
Added 13 days ago
Sr. Industrial Engineer - Logistics
Siemens
Fort Worth, TX
Plant Layout, Material Flow & Logistics System Design: Design and optimize factory layouts, warehouse layouts, supermarkets, storage strategies, material flow routes, and point-of-use…
Added 13 days ago
Sr. Manufacturing Engineer, Rotor
Lucid Motors
Newark, CA
The Senior Manufacturing Engineer – Rotor Line will be responsible for leading the design, development, installation, and launch of advanced rotor manufacturing equipment and processes at…
Added 14 days ago
Sr. Software Dev Engineer, Antenna System Validation, Amazon Leo
Amazon Kuiper Manufacturing Enterprises LLC
Redmond, WA
…satellites in orbit and runs production of satellites in the factory. Our focus is on Phased array antennas – one of the key components of the satellite. It’s a high-performance embedded…
Added 14 days ago
Data Analyst Engineer
The Timberline Group
St. Louis, MO
The position of Sr. Business Intelligence Data Analyst/Engineer - must possess a solid knowledge of the principles and practices of enterprise data warehouse development, data modeling and…
Added 14 days ago
Senior Electrical Design Engineer (5628)
SubCom
Newington, NH
The Sr. Electrical Design Engineer is responsible for electrical design of next generation high reliability undersea and terminal based network elements for SubCom. The principal job…
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Senior Electrical Power Engineer (4374)
SubCom
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The Sr. Member of Technical Staff is responsible for electrical design of next generation high reliability undersea products for SubCom. The role completes circuit design which include…
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Sr. Automation Engineer (19710)
ARION BLUE LLC
HOUSTON, TX
The Sr. Automation Engineer is a technical leader responsible for the design, implementation, and optimization of control systems within the energy sector. This role applies deep expertise…
Added 15 days ago
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Sr. Controls Engineer- Terafab R&D
Terabase Energy
Sacramento, CA
- $130,000 to $170,000 USD / year
Terabase is looking for an experienced automation controls engineer. This position reports directly to our Controls and Electrical Engineering manager and will work very closely with the…
Added 15 days ago
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Sr. Controls Engineer- Terafab R&D
Terabase Energy
Davis, CA
- $130,000 to $170,000 USD / year
Terabase is looking for an experienced automation controls engineer. This position reports directly to our Controls and Electrical Engineering manager and will work very closely with the…
Added 15 days ago
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Sr. Controls Engineer- Terafab R&D
Terabase Energy
Woodland, CA
- $130,000 to $170,000 USD / year
Terabase is looking for an experienced automation controls engineer. This position reports directly to our Controls and Electrical Engineering manager and will work very closely with the…
Added 16 days ago
Sr Principal Engineer Product
Northrop Grumman
San Diego
…CA location. This role will serve as a key liaison between factory operations, engineering, quality, and program leadership to drive digitally enabled performance improvements across cost,…
Added 17 days ago
Sr. Electrical Engineer
Maxon Precision Motors Inc
Taunton, MA
Design and develop electronics for motion control solutions for brushed (DC) and brushless (BLDC/EC) motors, from concept through schematic design, component evaluation, simulation, and…

RTX

Sr Software Engineer, Modeling and Simulation Onsite

United States

The salary range for this role is 95,500 USD - 181,700 USD.

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Job details

Pay: The salary range for this role is 95,500 USD - 181,700 USD.
Experience: Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat.
Posting language: English
Posted: Oct 27, 2026

Original job description

Date Posted:

2026-10-27

Country:

United States of America

Location:

US-VA-DULLES-710 ~ 22110 Pacific Blvd ~ BLDG 10

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

TS/SCI with Polygraph

Security Clearance Status:

Active and existing security clearance required after day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon’s Mission Applied Science & Technology (MAST) directorate is seeking a Senior Software Engineer to join our Factory and Data Solutions team. This role focuses on developing a Python-based application for simulation, modeling, and analysis of factory production models. Additional projects may include software development for mission management, command and control systems, AI/ML applications, or Live Virtual Constructive simulation environments. You will play a key role in enabling data-driven decision-making and collaborating with a multi-disciplinary team in an Agile development environment. This is an onsite role located in Dulles / Sterling, VA, Richardson, TX, McKinney, TX, or Aurora, CO.

What You Will Do

Design, develop, and implement new features for Python-based applications focused on modeling and simulation.
Collaborate with cross-functional teams across multiple time zones to deliver innovative solutions.
Conduct code reviews to ensure adherence to coding standards and best practices.
Optimize and maintain the existing codebase for performance and efficiency.
Support the software development lifecycle, including requirements gathering, design, implementation, unit testing, and system testing.
Participate in Agile development process, providing regular updates on progress and status.
Document software artifacts, including design documents, test procedures, and developer notes.

Qualifications You Must Have

Typically requires a Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of experience unless prohibited by local laws/regulations.
Experience with Python programming and scripting.
Experience with one or more Python libraries and software packages for backend and frontend development, such as NumPy, Pandas, SimPy, Panel, Bokeh, Pydot, PyQt, Plotly Dash, HoloViz, or Graphviz.
Experience with code hosting and version control tools, such as Bitbucket, GitHub, GitLab, or Azure DevOps.
Experience in the software development lifecycle, including requirements, design, implementation, unit testing, and system testing.
The ability to obtain and maintain a U.S. government-issued TS/SCI with Polygraph security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

Experience with automated testing frameworks, such as PyTest.
Experience with statistics, statistical modeling (e.g., logistic regression, Bayesian models), and/or data distribution fitting (e.g., normal, lognormal, Weibull).
Familiarity with simulation modeling and analysis, including Discrete Event Simulation.
Experience working with distributed teams across multiple time zones.
Experience with Agile/Scrum software development methodologies.

What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Learn More & Apply Now!

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm
Location Info and/or Links:
DMV: https://careers.rtx.com/global/en/raytheon-dmv-location
North Texas: https://careers.rtx.com/global/en/raytheon-north-texas-location
Aurora, CO: https://careers.rtx.com/global/en/raytheon-aurora-co-location

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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More about this job

Skills

Research
Python
Decision making
Agile development
Software development
Requirements gathering
Unit testing
Test procedures
Front-end development
NumPy
Atlassian Bitbucket
GitHub
GitLab
Microsoft Azure
DevOps
Test automation
Statistics
Agile
Scrum

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