Principal Software Integration Engineer, Missile Defense

Company: RTX
Location: Concord
Posted on: April 2, 2026

Job Description:

Date Posted: 2026-03-31 Country: United States of America Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date Job Description 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. 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. We are seeking a Principal Software Integration Engineer to join a cross-disciplinary team responsible for developing, integrating, and testing software solutions for advanced radar systems in the missile defense domain. This role focuses on software/hardware integration, automated DevSecOps pipelines, test infrastructure, and issue triage in embedded real-time environments. What You Will Do: Integration and testing of real-time, distributed C++ software systems across Linux-based server platforms and radar sensor hardware Creating and maintaining automated deployment, monitoring, and test pipelines for multiple near-Ops environments simulating operational radar system use Collaborating across multi-vendor and multi-disciplinary teams to integrate and validate software releases from various upstream teams Supporting full lifecycle integration including software setup, test execution, regression analysis, and root cause resolution Interfacing software components with RHEL9, FPGAs, and sensor hardware. Contributing to the evolution of our DevOps infrastructure via GitOps, using tools like Ansible, Gitlab, and RobotFramework to enable automated test, build, and deploy pipelines Performing profiling, debugging, monitoring, and System Integrity tasks using Python, Matlab, and influxdb/Grafana control towers Supporting or executing Functional Qualification Testing (FQT) and System Verification and Validation Testing (V&V) What You Will Learn: Integration and testing techniques for real-time C++ developed software Packaging and managing distributed software systems at scale 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 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. Experience in software integration/test of embedded or real-time systems Experience in C++ software development, integration, and debugging in Linux environments. Qualifications We Prefer: Experience with missile defense systems, radar, C2 network testing, or DoD large-scale systems Experience with hardware-software integration, including radar systems or similar sensor platforms Experience creating and maintaining automated DevSecOps infrastructure Experience with network, performance, and system health monitoring Prior participation in Performance/Longevity/Reliability Testing Familiarity with Agile, Scrum, and Scaled Agile Framework (SAFe) Integration experience on bare metal servers What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligible – Relocation assistance available Learn More & Apply Now! Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This position requires a 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 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 107,500 USD - 204,500 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, Manteca , Principal Software Integration Engineer, Missile Defense, IT / Software / Systems , Concord, California