Senior Software Engineer - Training Systems Software (Onsite)
RTXAbout the role
Date Posted:
2026-05-14Country:
United States of AmericaLocation:
US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVISPosition Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
Secret - CurrentSecurity Clearance Status:
Active and existing security clearance required on day 1Senior Software Engineer - Training Systems Software (Onsite)
At RTX, the world 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.
Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.
We are currently searching for a Sr. Software Engineer to join our team in Sterling VA within the Strategic Defense Solutions (SDS) business area.
Our teams develop and build highly realistic simulators and training systems for both military and commercial customers. We deliver highly specialized training for some of the most demanding jobs in aviation. Devices range in complexity from desktop training all the way to high fidelity weapon system and full-flight training systems including full visual motion and simulator interoperability.
In this position, you will become a technical focal for the design, implementation, and testing of complex multi-platform training device software and their associated user interfaces. This position requires a highly motivated self-starter who can learn quickly and can tackle complex problems and lead limited development activities. Candidates with agile development experience and the desire to grow into agile leadership roles are strongly encouraged to apply! This position requires a US security clearance. Most aspects of the job are done in a classified lab environment and requires a daily onsite presence.
This position is relocation eligible
What You Will Do:
- Design, develop, integrate, and test software on cross-functional agile teams to deliver solutions within budget, scope, and schedule constraints
- Highly motivated software development focal who exhibit ownership of and accountability for committed objectives
- Assist in analysis and decomposition of features
- Make and influence decisions which impact cost, schedule, and technical performance at a team level
- Perform multi-threaded software debugging
- Work independently with limited supervision
- Perform bidding and proposal activities to support the acquisition of new business
- Contribute to software and systems engineering requirements capture and analysis
- Travel to domestic and international customer sites to support training events and product installations
Qualifications You Must Have:
- Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
- Active and transferable U.S. government issued security clearance is required prior to start date
- Must have extensive experience working with C++
- Have experience with agile development practices and general software engineering design principles
Qualifications We Prefer:
- Excellent written and oral communication skills
- Familiarity Windows and Linux development environments
- Candidate exhibits leader-like qualities and has a willingness to share their knowledge and build up their peers
- Experience using Visual Studio and Eclipse
- Familiarity with DevSecOps and Agile development methodologies
- Experience using Win32/Win64 APIs and associated Linux API
- Experience working with databases; formatting queries, creating tables, particularly with Postgres
- Strong OOP and C++ language skills including STL, Templates
- Familiarity with scripting languages (Python, Perl, etc.)
- Usage of so
Apply for this role
Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.
Apply Now →Generate Application KitFree account required — sign up in 30s