R&D Mechanical Engineer with Security Clearance

Radiance Technologies; Ruston (LA); On-site; USD 90,000 - 120,000; Full time

Job summary

Radiance Technologies seeks an R&D Mechanical Engineer to design, develop, and integrate mechanical and thermal systems for circuit card assemblies and related technologies. You will conduct first-principles analyses and collaborate with a multidisciplinary team to advance microelectronics solutions, build prototypes, perform failure analysis, and produce thorough technical documentation.

The role requires hands-on lab work, CAD proficiency (SolidWorks, Fusion 360, CATIA NX), GD&T expertise, and

Qualifications

• US Citizenship with the ability to obtain a security clearance.
• Bachelor's Degree in Mechanical Engineering or closely related discipline.
• Minimum of 3.2 GPA (out of 4.0) and GPA listed on resume to be considered.
• 2+ years of mechanical engineering experience in a laboratory, R&D, test, prototyping, or experimental environment (a Master’s in Mechanical or Aerospace Engineering can substitute for the years of experience).
• Self-motivated and able to work well within a research and development team.
• Demonstrated hands‑on prototype experience through events/organizations such as design/build/fly, Formula SAE, CubeSat, or similar.
• Experience with CAD software such as SolidWorks, Fusion 360, CATIA NX, or similar.
• Demonstrated proficiency in GD&T, tolerance stackups, 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.

Responsibilities

• Design, development, and integration of 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.
• Hands‑on work in a laboratory setting with a multidisciplinary team to design, build, and test microelectronics solutions and their physical support systems.
• Mechanical and thermal design and analysis, prototype and low‑rate production builds, and failure analysis.

Skills

US Citizenship

Security clearance

GD&T

Heat transfer

Electrical lab equipment

Prototyping

Engineering drawings

BOMs

Team collaboration

Education

Bachelor's in Mechanical Engineering

GPA 3.2

Master's in Mechanical/Aerospace (preferred)

Tools

SolidWorks

Fusion 360

CATIA NX

Job description

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 3.2 GPA (out of 4.0) and must have GPA listed on resume to be considered
• * 2+ years of mechanical engineering experience in a laboratory, R&D, test, prototyping, or experimental environment (A Master's in Mechanical or Aerospace engineering can substitute for the years of experience)
• * 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

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.