
This onsite Senior Mechanical Engineer role within the Test Solutions Center at Raytheon focuses on designing and developing complex test equipment for defense systems in Tewksbury, Massachusetts. Key responsibilities include creating mechanical fixtures and automation systems, validating test environments against strict accuracy standards, and troubleshooting production issues to ensure system reliability. The position appeals to engineers seeking to work on meaningful national security missions with a team that values innovation and collaboration. Candidates will utilize advanced CAD tools and gain exposure to diverse engineering disciplines including thermal, vibration, and electro-optical testing. The role requires U.S. citizenship and an active security clearance, offering relocation assistance and a supportive culture rooted in safety and accountability.