Senior Software Engineer (Onsite)

RTX

4d•Onsite

About The Position

At Collins Aerospace, we don’t just build technology—we engineer mission success. Our Ground Software team is dedicated to enhancing training capability and realism, enabling U.S. warfighters and international partners to “train like you fight.” Our engineering team develops cutting-edge products for networking, and command and control applications supporting threat and weapon simulations. Our complex systems allow military pilots to practice combat maneuvers in the air without the hazards or expense of firing real weapons. We design secure Air Combat Maneuvering Instrumentation (ACMI) systems, taking them from concept to accreditation, factory production and installation. Here, you’ll collaborate with top-tier engineers and industry experts, leveraging advanced technologies to push the boundaries of what’s possible. Whether you're building on trusted systems or breaking ground on new innovations, your contributions will directly support mission-critical operations across the globe. If you're passionate about solving complex challenges, excited by the idea of working on systems that truly matter, and driven to grow alongside some of the brightest minds in the field—we want you on our team. Join Collins Aerospace Mission Systems and help us connect the battlespace of tomorrow!

Requirements

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years of prior relevant experience OR an Advanced Degree in a related field and minimum 3 years of experience
Experience with software development, test, and/or integration using Java, C++, or C#
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
Active and existing security clearance required after day 1

Nice To Haves

Experience with Python is a plus
Experience with Windows and Linux development environments
Experience with multithreading
Experience with networking and communications protocols
Experience with CI/CD tools and infrastructure such as Jenkins, Git, Bitbucket
Comfortable working in Agile/Scrum environments

Responsibilities

Design, develop, and test cutting-edge software in an agile, collaborative environment
Demonstrate critical thinking skills, the ability to thrive in small, empowered teams, and an intense desire to directly enable our customer’s success
Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments
Drive project success by directly contributing to requirements, implementation, and test development
Work collaboratively with multiple engineering disciplines to analyze, implement, and test system modification requests to the existing system baseline

Benefits

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