Senior Mechanical Engineer - Power Design

About this role

Date Posted: 2026-08-31

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

The Radar Mechanical Design Department specializes in the design, development, and integration of advanced land-based and shipboard radar systems, including phased array radars, electronic modules, pedestals, and power and cooling systems. Our team combines technical expertise and hands-on experience to solve meaningful challenges and create a safer, more secure world.

We’re currently seeking a Senior Mechanical Engineer with expertise in power design to lead mechanical teams in all phases of radar development, from concept through production. This role involves designing power electronic solutions, performing engineering analyses, and delivering hardware for integration and production.

This is an on-site role for Marlborough, MA or Tewksbury, MA

What You Will Do • Leverage your mechanical and power design expertise to develop innovative technical solutions. • Lead the design and development of electrical power systems for radar platforms, including layout, power generation, and distribution. • Manage design-to-production transitions, ensuring seamless design releases into manufacturing. • Conduct complex tolerance analyses to verify form, fit, and function for radar applications. • Provide technical guidance to ensure products meet quality standards, performance requirements, and compliance regulations. • Lead small teams to meet project schedules, budgets, and technical goals while driving process improvements. • Collaborate with internal engineering disciplines, operations, systems teams, quality assurance, and suppliers. • Communicate effectively with internal and external stakeholders on significant technical matters.

Qualifications You Must Have • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years’ experience. • 3 years experience in the design of power or electronic systems for military or aerospace or commercial applications. • Experience with ANSI/ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T)

Qualifications We Prefer • Experience developing technical data packages and adhering to drawing standards. • Experience design of power and power conversion systems used in military or ruggedized applications. • Leadership experience in managing small development teams. • Experience with CREO (Pro/E) or similar 3D solid modeling software. • Knowledge of power design capabilities or have direct experience in power manufacturing and assembly. • Experience in selection of materials for structural, thermal, mechanical, electrical, producibility, and environmental considerations including corrosion mitigation and prevention. • Proficient in Microsoft Office tools (Word, Excel, PowerPoint). • Strong interpersonal, verbal, and written communication skills for collaboration with cross-functional teams and external customers.

What We Offer  • A total rewards package that goes above and beyond with compensation; healthcare, wellness, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. 

• 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, Innovation, and Safety. 

• Relocation assistance available. 

Learn More & Apply Now!  • 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 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

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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 86,800 USD - 165,200 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, functi

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