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RTX

Principle Simulation Systems Engineer Onsite

United States

The salary range for this role is 118,300 USD - 224,900 USD.

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Job details

Pay: The salary range for this role is 118,300 USD - 224,900 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: Nov 10, 2026

Original job description

Date Posted:

2026-11-10

Country:

United States of America

Location:

US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required on 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.

What You Will Do

Serve as Product Owner for an Agile software development team supporting LVC simulation capabilities.
Define and communicate product vision, roadmap, and priorities aligned with customer and program objectives.
Own and prioritize the product backlog, including features, user stories, and acceptance criteria.
Lead requirements development, decomposition, traceability, and change management activities.
Collaborate with software developers and architects to define technical solutions and implementation approaches.
Support development and enhancement of C++-based simulation frameworks and infrastructure.
Participate in software design reviews, architecture discussions, and technical trade studies.
Review and approve pull requests while promoting software quality, coding standards, and maintainability.
Lead system integration, verification, and validation activities across the product lifecycle.
Facilitate Agile ceremonies and stakeholder reviews, including sprint planning, demonstrations, and retrospectives.
Identify and mitigate technical, integration, and program risks.
Mentor engineers and promote Agile, Systems Engineering, and Software Engineering best practices.
Perform occasional travel to support project needs (typically less than 10%).

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations.
Experience serving as a Product Owner, Technical Lead, Principal Engineer, or equivalent leadership role.
Strong systems engineering background, including requirements development, traceability, integration, and verification.
Proficiency in C++ software development.
Experience supporting software architecture, design, implementation, and debugging activities.
Experience conducting peer code reviews and reviewing pull requests in a collaborative development environment.
Experience working across cross-functional teams including software, systems, integration, and test engineering.
Strong communication, customer engagement, and technical leadership skills.
Active Secret security clearance.

Qualifications We Prefer

Advanced STEM degree
Experience using AFSIM or other mission analysis simulation tools
Experience developing or supporting Live Virtual Constructive (LVC) simulation environments.
Experience with Distributed Interactive Simulation (DIS), High-Level Architecture (HLA), TENA, or related simulation protocols/frameworks.
Experience working within Agile development environments (Scrum, SAFe, Kanban, or similar).
Experience developing and managing product backlogs, user stories, and acceptance criteria.
Experience with real-time, distributed, or mission-critical software systems.
SAFe Product Owner/Product Manager (POPM), CSPO, or similar Agile certification.
Familiarity with source control and CI/CD development workflows (Git, GitLab, GitHub, Bitbucket, or similar).
Experience with Model-Based Systems Engineering (MBSE), SysML, Cameo, or MagicDraw.
Experience with Linux development environments.
Experience with DevSecOps pipelines and automated testing frameworks.
Experience with modern C++ standards (C++17/C++20).
Experience with multi-threaded, networked, or distributed software architectures.
Experience supporting architecture definition and technical roadmaps.
INCOSE CSEP/ESEP or related professional certification.

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 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: Tucson, AZ

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 118,300 USD - 224,900 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
Agile
Software development
Change management
ICT system integration
C++
Debugging
Communication skills
Leadership
Agile development
CI/CD
Git
GitLab
GitHub
Atlassian Bitbucket
Linux
Test automation

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Work requirements

Jobs in the United States