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R&D Mechanical Engineer

Radiance Technologies

Ruston, LA · Posted October 22, 2026

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About the job

Radiance Technologies, a rapidly growing employee-owned company , is seeking an R&D Mechanical Engineer to support various ongoing programs within the Scientific and Technical Intelligence Group.

The engineer will:

Design, development, and integrate mechanical and thermal systems for circuit card mechanical assemblies and supporting technologies

Conduct analyses of complex problems using first principles

Contribute to complex engineering projects, working within a multidisciplinary team

Produce technical documentation of assigned projects

This position involves hands-on work in a laboratory setting with a highly multidisciplinary team. You will work closely with electrical engineers, computer engineers, and technicians to design, build, and test microelectronics solutions and their physical support systems. Responsibilities include mechanical and thermal design and analysis, prototype and low-rate production builds, and failure analysis.

Required Qualifications:

US Citizenship with the ability to obtain a security clearance

Bachelor’s Degree in Mechanical Engineering or closely related discipline

Minimum of 3.5 GPA (out of 4.0) and must have GPA listed on resume to be considered

Self-motivated and able to work well within research and development team

Demonstrated hands-on experience in prototyping through events/organizations such as design/build/fly, Formula SAE, CubeSat, or other similar

Experience with CAD software such as SolidWorks, Fusion 360, CATIA NX, or similar software packages

Demonstrated proficiency in Geometric Dimensioning and Tolerancing (GD&T), tolerance stack-ups, and design for manufacturing

Demonstrated experience in heat transfer mechanics and thermal systems, preferably in electrical systems

Experience with standard electrical laboratory equipment such as oscilloscopes, function generators, multimeters, and power supplies

Experience creating engineering drawings, CAD models, BOMs, and fabrication documentation

Desired Qualifications:

Masters Degree in Mechanical Engineering or closely related discipline

Machine shop or hands-on fabrication experience (lathes, mills, 3D printers, etc.)

Experience with Multiphysics analysis tools, such as COMSOL or PLECS

Experience with high voltage engineering, circuit card mechanical assemblies, pulsed power, prime power, power electronics, RF, and/or antenna development

Experience integrating PCBs, connectors, cabling, thermal components, and mechanical structures

Experience with VPX, chassis, card guides, cold plates, heat spreaders, or conduction-cooled electronics

Clearance:

Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Radiance Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.