Senior Software Engineer – Training System Software (Onsite)

engineeringjobs.net, Inc.; Sterling (VA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Medical insurance

Vision insurance

Relocation assistance

Job summary

Collins Aerospace, a leader in aerospace and defense, seeks a Senior Software Engineer II for Training System Software in Sterling, VA. You will design, implement, and test complex training device software and user interfaces for military and commercial customers, working onsite with agile teams.

The role requires a STEM degree and 5+ years of experience, plus an active DoD security clearance. Occasional travel to customer sites may be required.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) with 5+ years of experience or an advanced degree with 3+ years of experience.
• Active and transferable U.S. government security clearance is required prior to start date.

Responsibilities

• Design, develop, integrate, and test software on cross-functional agile teams within budget, scope, and schedule constraints.
• Perform bidding and proposal activities to support new business.
• Develop high-quality, verifiable, and maintainable software.

Skills

Multi-threaded C#/JAVA

Databases

OOP concepts

Education

B.S. in STEM or higher

Tools

Visual Studio

Eclipse

DevSecOps

Job description

Date Posted: 2026-10-01

Country: United States of America

Location: US-VA-STERLING-291 22640 Davis Dr DAVIS

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: Secret - Current

Security Clearance Status: Active and existing security clearance required on day 1

++Senior Software Engineer++ -- Training System Software (Onsite)

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.

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.

Collins Aerospace is on the lookout for a talented Software Engineer II to join our Sterling, VA team within the Simulation and Training Solutions (STS) business area. STS develops and builds highly realistic simulators and training systems for military and commercial customers. We utilize cutting-edge technology to deliver highly specialized training for some of the most demanding jobs in aviation. Devices range in complexity from desktop training all the way up to high-fidelity weapon systems and full flight training systems, including full visual motion and simulator interoperability.

In this role, 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 the ability to obtain a US security clearance. Most aspects of the job are done in a classified lab environment and requires a daily onsite presence.

What YOU will do

• Design, develop, integrate, and test software on cross-functional agile teams to deliver solutions within budget, scope, and schedule constraints
• Perform bidding and proposal activities to support the acquisition of new business
• Make and influence decisions which impact cost, schedule, and technical performance at a team level
• Develop high-quality software which is verifiable, maintainable, and readable
• Perform multi-threaded software debugging
• Work independently with limited supervision
• Provide engineering estimates
• 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.

Skill Qualifications

• Previous experience working with multi-threaded C# or JAVA software applications.
• Experience interfacing with databases.
• Experience with object-oriented programming concepts.

Qualifications We Prefer

• Prior experience with Windows Presentation Formats (WPF) highly desired.
• Excellent written and oral communication skills
• Familiarity with Linux and Windows 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
• Strong OOP and C language skills including STL, Templates
• Usage of source code control tools (SVN, GIT, ClearCase, etc.)
• Usage of ALM tools (JIRA, Confluence, Crucible, Bamboo)
• Active DoD Security Clearance (within 24 months)

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions --- whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• Eligible for relocation assistance
• And more!

Remote:

Employees who are working in Remote roles will work primarily offsite (from home). An employee may be expected to travel to the site location as needed