Mechanical Engineer II, Harness & Interconnect​

Date Posted: 2026-08-18 • Location: Tucson, AZ • Onsite role • U.S. citizenship required for security clearance

About the role

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.

The Precision Control Actuation System (PCAS) department is seeking a mechanical design engineer to join the Harness and Interconnect organization to support the development, build, and verification of harnessing systems. The PCAS organization staffs engineers for a variety of roles supporting primarily tactical missile Integrated Product Teams.

Responsibilities

At this grade level, you will be expected to work autonomously with regular and periodic oversight, have knowledge of the harness and interconnect domain, and coach and review the work of other professionals. Support may include but is not limited to:

• Detailed mechanical design
• Test design and execution
• Systems engineering
• Proposals and estimates
• Earned value management

You will be expected to flex responsibilities based on the current needs of the organization and your respective skill sets.

What You Will Learn

• Ample opportunities for hands-on hardware work, including engineering builds, hardware integration, and hardware verification
• Exposure to a variety of lab activities
• Access to a dedicated technology pyramid comprised of engineering fellows and subject matter experts, fostering accelerated technical growth

Requirements

You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience
• A minimum of 2 years of engineering design experience
• Active and transferable U.S. government-issued DoD Secret security clearance required prior to start date

Qualifications We Prefer

• Experience with development of harnessing requirements, system architecture, requirements risk, requirements verification and validation, system performance & function, safety and environmental compliance
• Experience working with a wide variety of industry/military standards and specifications
• Proficiency in Geometric Dimensioning and Tolerancing per ASME Y14.5
• Experience with Harness and Interconnect systems
• Experience with Pro/Engineer/CREO 3D modeling and mechanical drawing generation
• Proven design and manufacturing knowledge in machined parts, injection molded parts, wire harnesses/flex harnesses and related components

Benefits

• 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
• Annual short-term and/or long-term incentive compensation programs (eligibility dependent on role level and collective-bargaining agreement coverage)

Pay

The salary range for this role is 68,900 USD – 131,100 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.