Date Posted:
2026-02-17Country:
United States of AmericaLocation:
US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDGPosition Role Type:
OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:
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 clearanceSecurity Clearance Type:
DoD Clearance: SecretSecurity Clearance Status:
Active and existing security clearance required after day 1At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. With over 100 years of experience, we bring renowned engineering expertise to stay ahead of tomorrow’s threats. Our team solves tough, meaningful problems that create a safer, more secure world.
Raytheon is seeking a Senior Principal Software Engineer to join the National Advanced Surface-to-Air Missile System (NASAMS) team. NASAMS is a cutting-edge air defense system that protects critical assets and population centers from aerial threats by integrating advanced radar, command and control, and missile systems.
As a senior technical leader, you will oversee and drive the technical execution of software programs across the NASAMS system effectivity chain: Detect, Decide, Engage, and Destroy. In this highly visible role, you will spearhead the development of mission-critical software, coordinate cross-functional teams, and serve as a Subject Matter Expert (SME) for software architecture and development. As a mentor to engineers at all levels, you will help foster a culture of collaboration, continuous improvement, and technical excellence.
This position is based in Tewksbury, Massachusetts, where you’ll work in an Agile and DevSecOps environment to deliver high-quality software solutions that meet evolving customer needs.
What You Will Do
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Lead the technical execution of software development programs, ensuring successful delivery of solutions that meet customer requirements.
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Coordinate and guide the activities of multiple engineers across teams, fostering collaboration and technical excellence.
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Design, architect, and implement critical software capabilities in an active Agile environment.
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Serve as a Subject Matter Expert (SME) in software architecture, development, testing, and integration.
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Proactively identify and address technical and programmatic risks, making data-driven decisions to ensure successful execution.
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Oversee and participate in debugging, troubleshooting, and optimizing software to meet performance and reliability goals.
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Advocate for continuous improvement in team processes, tools, and technical approaches, driving innovation and efficiency.
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Prepare and deliver technical presentations, summaries, and reports to stakeholders at all levels, ensuring clarity and understanding.
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Coach, mentor, and delegate work to lower-level professionals, contributing to their professional development and technical growth.
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Collaborate with cross-functional teams, including systems engineers, test engineers, and program leadership, to deliver integrated solutions for large, complex systems.
What You Will Learn
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Advanced radar and Command and Control systems concepts, including real-time, mission-critical processing.
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Strategies for leading large technical teams and managing the development of innovative software solutions.
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Advanced debugging, performance optimization, and system integration techniques for large-scale, complex systems.
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Leadership skills to influence program decisions and align technical execution with strategic goals.
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Cutting-edge tools, methodologies, and technologies to enhance software development and delivery.
Key Contributions to NASAMS - as part of the NASAMS program, you will contribute to the following areas:
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Detect: Develop solutions for target acquisition, integrated IFF, and tracking updates.
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Decide: Implement Single Integrated Air Picture, threat evaluation, launcher assignment, and multi-missile handling.
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Engage: Create algorithms for azimuth slew, targeting data transfer, missile firing, and mission abort.
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Destroy: Support motor ignition, inertial guidance, seeker search, target lock-on, and terminal guidance.
Qualifications You Must Have
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Typically requires a Bachelor's of Science Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
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Experience in programming languages (e.g., C++, Java).
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Experience with Agile and DevSecOps methodologies and tools (e.g., CI/CD pipelines, Docker, Jenkins).
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Experience leading teams and resolving complex technical challenges.
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Ability to obtain U.S. government issued Secret security clearance is required after start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Qualifications We Prefer
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Strong problem-solving and communication skills.
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Extensive experience with radar software development and/or radar concepts.
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Proven expertise in missile defense programs and working with large, complex systems.
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Hands-on experience with tools such as the Atlassian Suite (e.g., Bitbucket, Artifactory, JIRA, Confluence), Jenkins, Eclipse, and Ansible.
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Strong knowledge of Linux Operating Systems, particularly Red Hat Enterprise Linux.
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Familiarity with CI/CD environments and pipelines, including experience with DevSecOps methodologies.
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Strong problem-solving skills and the ability to make data-driven decisions in a fast-paced environment.
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Ability to coach and delegate work to junior engineers, fostering a culture of technical excellence and continuous improvement.
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Proven leadership experience in a team environment, driving creative solutions to complex technical problems.
What We Offer
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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.
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Relocation Eligible.
Learn More & Apply Now!
Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
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 132,400 USD - 251,600 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.
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