Mechanical Engineer III

OKSI • Torrance, CA

7d • $122,000 - $165,000 • Hybrid

About The Position

The Mechanical Engineer III contributes to multiple projects across all phases, concept, design, development, implementation, and revisions, in a diverse set of technological fields including autonomous vehicle command and control, object detection, scientific data analysis, and real-time mission operations support.

Requirements

• Bachelor's degree in mechanical engineering, physics, or a related field (Master's preferred)
• Minimum of 4 years of relevant work experience
• Proficiency in CAD software (SolidWorks, AutoCAD, Inventor, or similar)
• Strong grounding in mechanical engineering fundamentals (thermodynamics, fluid dynamics, solid mechanics, materials science)
• Familiarity with manufacturing techniques and industry standards (ISO, ASME)
• Self-motivated, hands-on, and comfortable in a fast-paced, collaborative environment

Nice To Haves

• Master's degree
• Experience with FEA, optomechanical design, thermal management, lightweight structures, or CFD tools
• Experience flying or able to fly drones
• Computer/electronics assembly experience
• Basic machine shop experience (soldering, lathe, mill, etc.)

Responsibilities

• Design, analyze, and optimize mechanical systems, components, and assemblies using CAD software (SolidWorks, AutoCAD, or similar)
• Lead and manage engineering projects, ensuring on-time, on-budget delivery that meets performance requirements; provide guidance and mentorship to junior engineers
• Troubleshoot design, performance, mechanical, optical, or manufacturing problems and implement corrective actions
• Work closely with optical, electrical, software, and systems engineering teams to develop integrated solutions
• Develop, fabricate, test, and iterate on prototypes; plan and conduct lab and/or field performance testing
• Prepare technical reports, design documentation, and project plans
• Contribute to process improvements and stay current with industry trends and best practices
• Support the transition from prototype to production, including DFM, tolerance management, and supplier collaboration

Benefits

• Medical, dental, and vision coverage fully paid by the employer for employees
• Three weeks of vacation to start
• Automatic company contribution to 401K – 5% of earned wages (no matching required)
• Educational assistance and professional development opportunities

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level