2026 Conversion Systems Engineer I – Onsite

Date Posted:

2025-11-05

Country:

United States of America

Location:

MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA

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:

DoD Clearance: Secret

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.   

In Systems Integration and Test (SI&T) we integrate, verify, and validate our products. We put our systems together, exercise them in the lab or in the field, measure and analyze performance, and make sure our products work the first time and every time. To accomplish this, we develop plans and procedures, debug and evaluate system functions and interfaces, develop test environments, and work hand-in-hand with our customers.

As a Systems Engineer you will develop and apply technical expertise in the planning, integration, test, and activation of complex military systems.  This position will require up to 25% travel and participation in programmatic and technical reviews.

This is an ONSITE position in based in Marlborough, MA.

Responsibilities to Anticipate:

• Develop and exercise good engineering judgement and technical decision making inside the Systems Engineering & Test Capabilities organization
• Be able to develop requirements, generate test procedures, integrate new systems, perform system testing, and support lifecycle requirements for assigned program systems
• To perform work in the field, in an industrial environment, onboard a US Naval vessel, or at a foreign site may append additional requirements, such as climbing, lifting/carrying, and similar physical activity.

Qualification You Must Have:

• Typically requires Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM)

• Successfully completed prior RTX internship.
• Ability to obtain and maintain a 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.

Qualifications We Prefer:

• Specific majors: Aerospace Engineering, Astronautical Engineering, Systems Engineering, Mathematics, Physics, or related STEM discipline
• Knowledge of data analysis, modeling and simulation, statistics, and various computational techniques for complex multi-variable problems.
• Knowledge of STK, MATLAB, or Python
• Quick learner and motivated

What We Offer: 

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. 

• Relocation Eligibility  

Learn More & Apply Now! 

Please upload a copy of your most recent transcripts with your resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.  

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/clearan