Principal Software Engineer - Embedded Communications; Onsite

Principal Software Engineer

At Collins Aerospace, we don’t just build technology—we engineer mission success. Our Communication Systems teams are on the front lines of innovation, designing and delivering cutting‑edge embedded communication solutions that keep military forces around the world safe, connected, and informed—no matter the environment.

• Design and develop cutting‑edge embedded software, networking, and communication products in C/C++ and Rust.
• Drive project success by planning and directly contributing to requirements, implementation, test development, and certification.
• Develop innovative tools and automated testing infrastructures that support Continuous Integration and Continuous Development processes.
• Mentor and guide software developers on technical and process challenges.
• Lead large initiatives and organize tasks for team members, ensuring timely delivery.
• Impact our business and our customers by supporting cost, schedule, and technical performance.

• Gain technical leadership experience and mentorship opportunities to develop talent for yourself and others.
• Collaborate with subject matter experts and industry specialists, obtaining hands‑on experience with new and innovative technologies.
• Engage with a multidisciplinary team to develop a cross‑functional skillset.
• Grow into a subject matter expert on your projects and programs.

• The role requires U.S. citizenship and an active DoD Secret clearance for day one.
• Ability to obtain and maintain a U.S. government‑issued security clearance is required.

You Must Have:

• Typically requires a university degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of relevant experience, or an advanced degree in a related field with a minimum of 5 years of experience.
• Experience in leading efforts across the full software development lifecycle.
• Experience with software for communications or similar products.
• 5 years of experience with embedded software development.
• 5 years of experience in Python, C/C++, and/or Rust.

We Prefer:

• Active U.S. Department of Defense Clearance.
• Proficiency with Linux development environments.
• Proficiency with Git and other version control systems.
• Knowledge of networking and communications protocols.
• Experience with Rust programming language.
• Experience with multithreading and containerization.
• Experience with communications systems or software‑defined radios.
• Experience developing open systems architecture and microservices for containerized environments.
• Experience applying patterns, data structures, and algorithms to solve problems in software systems.
• Comfortable working in Agile/Scrum environments.
• Ability to investigate complex problems to root cause and champion the creation and implementation of solutions.
• Ability to design and implement solutions to complex problems with minimal guidance.

• 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 such as pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, and  protection.
• Birth, adoption, and parental leave benefits.
• Ovia Health, fertility, and family planning resources.
• Adoption Assistance.
• Autism Benefit.
• Employee Assistance Plan, including up to 10 free counseling sessions.
• Healthy You Incentives and wellness rewards program.
• Doctor on Demand and virtual doctor visits.
• Bright Horizons child and elder care services.
• Teladoc Medical Experts and second opinion program.
• And more!

Eligible for relocation.

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, 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.