Mechanical Engineer II (Mechanisms)

Date posted: August 6, 2026 • Location: El Segundo, CA • Onsite role

U.S. citizenship is required; ability to obtain and maintain a TS/SCI with Polygraph security clearance is mandatory. An active and existing clearance is required from day one.

About the role

Raytheon Intelligence & Space is seeking a Mechanical Engineer to join the space mechanisms team supporting mechanisms development, integration, and test across multiple space programs in El Segundo, CA. The selected candidate will perform mechanical component and mechanisms design on opto-mechanical systems using Creo, and support assembly, integration, and test activities in a lab environment. The candidate is expected to work with a team of specialized junior and senior manufacturing and mechanical engineers to support the design, build, and test of EO/IR space hardware.

Responsibilities

• Create and/or revise opto-mechanical designs and drawings.
• Generate assembly instructions and provide build support in conjunction with technicians and other engineering disciplines.
• Design for producibility and manufacturability.
• Present work for peer reviews.
• Apply industry standards and knowledge to design and analysis of moving mechanical assemblies.
• Generate detailed design drawings incorporating GD&T to ensure requirements are maintained.
• Work with a cross-functional engineering and analysis team involving material selection, thermal management, precision mechanical mounting and motion, and structural optimization while balancing schedule constraints.
• Understand change management and process engineering changes in a product data management tool, including creation, rework, and changes to the design as needed.

Requirements

• Master’s degree in Mechanical Engineering or related STEM major obtained by start date.
• Experience in commercial CAD software, specifically Creo.
• Experience in the design and development of mechanical hardware (may be obtained through on-the-job experience, research, coursework, or projects).
• Basic understanding of moving mechanism assembly industry specs and standards.
• Basic knowledge of tribology methods used in industry.

Qualifications We Prefer

• Project experience in mechanisms design or analysis of space flight hardware.
• Project experience in build and/or test of mechanisms.
• Exposure to GD&T and tolerance analysis for designs/drawings.
• Experience leading a design or build team on a project.
• Knowledge of DFMA principles and modern machining techniques.
• Prior experience in Defense or Aerospace.
• Understanding of motors, position feedback sensors, bearings, and gears.

Benefits

• Medical, dental, and vision insurance.
• Life insurance, short-term disability, and 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.
• Eligibility for annual short-term and/or long-term incentive compensation programs (payments not guaranteed and dependent on individual, business unit, and company performance).

Pay

The salary range for this role is $75,800 – $144,200 USD.