Principal Systems Engineer

Date Posted:

2026-08-28



Country:

United States of America



Location:

US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1



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

We're growing fast and we want you to grow with us! We're expanding our engineering organization dramatically to meet exciting customer demand, and we're actively looking for engineers who bring strong foundational skills and a passion for solving hard problems. Industry experience in defense? Not required — we'll invest in you. If you meet the minimum qualifications, we want to talk. Apply today and take the next step in your engineering career. 

At RTX, the world’s 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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. 

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. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.  

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 Principal Systems Engineer to support important Naval Radar 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  

In this Systems Engineer role, you will support the following types of activities: 

• Drive Performance: Lead a team to collaborate across functions to drive performance improvements and resolve system issues. Responsible for schedule execution of assigned program elements. 
• Support Missions: Travel as needed (up to 50%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations.
• Testing: 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. 
• 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 customers and multi-disciplinary internal teams 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. 
• 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 
• Ability to obtain and maintain a U.S. government issued security clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. 
• This role is onsite at our RTX facility in Marlborough, MA 

Qualifications You Must Have  

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of eight (8) years of prior relevant experience. 

• Experience integrating military systems in one or more of the following; software, systems hardware, systems requirements, systems integration, or systems test. 

• Engineering leadership experience 

Qualifications We Prefer  

• Experience with sensor systems, especially RADAR 

• Experience with Earned Value Management system tracking of team tasks 

• Experience with generating technical documentation, such as test plans, procedures, or technical reports. 

• Experience with integration, validation or requirements verification. 

• Experience with DOORS, Rhapsody, Cameo, or other digital engineering tools. 

• Experience with MATLAB, Python, C/C++, and/or other programming languages. 

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 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 role is onsite at our RTX facility in Marlborough, MA 

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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