Date Posted:

2026-02-17

Country:

United States of America:

Location:

US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG

Position Role Type:

Onsite

U.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 clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after day 1

At 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 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 the design, development, testing, and deployment of mission-critical software that supports all aspects of the NASAMS system effectivity chain: Detect, Decide, Engage, and Destroy. In this role, you will provide technical leadership across the full development lifecycle, mentor junior engineers, and collaborate with cross-functional teams to ensure program success.

This position is based in Tewksbury, Massachusetts, where you’ll work collaboratively in an Agile and Dev Sec Ops environment to deliver high-quality, high-frequency software solutions that meet evolving customer needs.

What You Will Do:

• Lead the design, development, testing, and deployment of complex software solutions for NASAMS, ensuring alignment with mission-critical requirements.

• Analyze, implement, and test software modifications to enhance functionality, performance, and reliability.

• Drive the resolution of complex software trouble reports, leveraging debugging tools to identify and resolve issues while optimizing performance.

• Provide technical leadership in an Agile environment, driving continuous improvement initiatives and implementing industry best practices.

• Collaborate with systems engineers, integration and test engineers, and other stakeholders to define system requirements and ensure seamless integration of software components.

• Develop and maintain CI/CD pipelines and automation tools to enable efficient and reliable software delivery.

• Act as a technical mentor, delegating tasks, coaching junior and mid-level engineers, and fostering a culture of technical excellence.

• Represent the software team in program-level discussions, providing technical expertise and ensuring program objectives are met.

• Stay current with emerging technologies and methodologies, driving innovation and advancing the technical capabilities of the NASAMS team.

What You Will Learn

• Advanced radar and Command and Control systems concepts, including real-time, mission-critical processing.
• Strategies for optimizing software performance and scalability in large, complex systems.
• Agile and Dev Sec Ops best practices to improve software development, testing, and deployment processes.
• Leadership and mentorship techniques to foster collaboration and technical growth within the team.
• Cutting-edge tools and technologies for building and maintaining mission-critical software solutions.

Key Contributions to NASAMS - as part of the NASAMS program, you will contribute to the following areas:

• Detect: Develop solutions for target acquisition, integrated IFF, and tracking updates.

• Decide: Implement Single Integrated Air Picture, threat evaluation, launcher assignment, and multi-missile handling.

• Engage: Create algorithms for azimuth slew, targeting data transfer, missile firing, and mission abort.

• Destroy: Support motor ignition, inertial guidance, seeker search, target lock-on, and terminal guidance.

Qualifications You Must Have

• Typically requires a Bachelor's of Science Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.

• Experience in programming languages (e.g., C++, Java).

• Experience with Agile and Dev Sec Ops methodologies and tools (e.g., CI/CD pipelines, Docker, Jenkins).

• Experience leading teams and resolving complex technical challenges.

• 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

• Strong problem-solving and communication skills.

• Extensive experience with radar software development and/or radar concepts.

• Proven expertise in missile defense programs and working with large, complex systems.

• Hands-on experience with tools such as the Atlassian Suite (e.g., Bitbucket, Artifactory, JIRA, Confluence), Jenkins, Eclipse, and Ansible.

• Strong knowledge of Linux Operating Systems, particularly Red Hat Enterprise Linux.

• Familiarity with CI/CD environments and pipelines, including experience with Dev Sec Ops methodologies.

• Strong problem-solving skills and the ability to make data-driven decisions in a fast-paced environment.

• Ability to coach and delegate work to junior engineers, fostering a culture of technical excellence and continuous improvement.

• Proven leadership experience in a team environment, driving creative solutions to complex technical problems.

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.

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 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.

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