Senior Principal Systems Engineer - Air Defense Systems

Date Posted:
2026-05-13
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

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.

Are you passionate about turning innovative concepts into reality? Do you thrive in dynamic environments? The Systems Engineering & Test Capabilities team discipline is seeking a Systems Engineer II to support important Air Defense programs. Every day presents a different set of challenges to overcome. Whether in hardware, software, networking, or some combination of all three, you'll be stretched to learn about how our systems work and identify the sources of new and unexpected issues through lots of troubleshooting and data analysis. You'll be expected to collaborate across disciplines and collaborate to implement solutions.

What You Will Do

• Support Testing Efforts: Develop and implement test plans, procedures, integration, and verification documentation in both simulated and real-world environments.
• Troubleshoot and Analyze: Identify and resolve hardware, software, and system issues through detailed data analysis and debugging.
• Drive Performance: Collaborate across functions to drive performance improvements and resolve system issues.
• Modeling and Simulation: Utilize modeling and simulation tools to predict system performance and support verification and validation.
• Integrate Systems: Integrate hardware and software into tactical systems, evaluating their functionality and impact.
• Collaborate: Work with a multi-disciplinary team to achieve seamless integration and system functionality.
• Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and stakeholders.
• Perform Data Analysis: Conduct statistical and numerical analysis of radar performance data to ensure optimal system performance and verify requirements.
• Requirements Development: Decompose and track specifications throughout complex systems architectures
• Support Missions: Travel as needed (up to 10%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations.

This is a full-time onsite role based in Tewksbury, MA or Andover, MA.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
• Experience with one or more of the following: systems software, systems hardware, systems requirements, systems integration, systems test.

Qualifications We Prefer

• Experience leading teams of engineers in the technical completion of complex tasks.
• Experience with generating technical documentation, such as test plans, procedures, or technical reports.
• Experience working in an integration lab, test facility, or in the field, supporting requirements development, integration and/or verification.
• Experience with DOORS, Rhapsody, Cameo, or other digital engineering tools.
• Experience with MATLAB, Python, C/C++, and/or other programming languages.

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.

• Clearance Information: 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:

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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