Senior Principal EO/IR Systems Engineer

Date Posted:

2026-06-08

Country:

United States of America

Location:

US-MA-WESTFORD-WFD7 ~ 7 Technology Park Dr ~ BLDG 7

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 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon is a world leader in high altitude imaging sensors. As such, we in the Advanced Product Solutions department provide the United States Government and International Partners with remote sensing systems, for time critical intelligence, surveillance, and reconnaissance (ISR) operations. Our ISR Information and Intelligence Engineering group develops algorithms and software for processing, optimizing, and creating intelligence products from these sensors.

We are seeking a Senior Systems Engineer specializing in aspects of the development lifecycle. You will be responsible for developing technical solutions to a wide range of complex problems related to the entire product life cycle that includes design, prototype, manufacture, integration, test, and transition to production. You will collaborate with a multidisciplinary team including engineering, program management, supply chain, and manufacturing. Successful candidates must adapt to rapidly changing circumstances, work under own initiative with minimal supervision/guidance, be calm under pressure, and responsive to change with a logical approach to technical problem resolution and decision making. We look forward to having you on the team.

This 1st shift role will be 100% on-site and based in Westford, MA.

What You Will Do:

• Provide technical leadership for the development of airborne EO/IR sensor systems from architecture development through requirements verification and qualification.
• Transform customer needs into system level requirements, and work with all engineering functions to decompose and allocate system-level requirements to sub-systems and components with full traceability.
• Develop and refine CONOPS and System Architecture using Model-Based Systems Engineering methods.
• Execute modeling and simulation of system-level performance under operational conditions.
• Develop and execute integration, system, and flight test plans.
• Communicate and collaborate with internal and external stakeholders, including program office, other engineering disciplines, customers, and suppliers.
• Develop products and implement design changes in accordance with engineering processes.
• Perform Control Account Management duties for scope, cost, and schedule.

Qualifications You Must Have:

• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
• Typically requires a Science, Technology, Engineering or Mathematics (STEM) degree and 10+ years of prior work experience in a related field.
• Experience with the product development lifecycle of electro-optic/infrared (EO/IR) imaging systems including: architecture, requirements, design, modeling & simulation, and/or testing.
• Proficiency in requirements development and management, system design and integration, test plan and procedure development, verification and test, and data analysis.

Qualifications We Prefer:

• Advanced degree in Engineering, Physics, or related field.
• Experience with optics and/