Senior Mechanical Engineer, RF Systems & Antennas (Hybrid)

FIRST RF; Boulder (CO); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

4 weeks PTO

Hybrid work

Tuition reimbursement

401(k) match up to 6%

Healthcare, dental, and vision plans

Job summary

FIRST RF in Boulder, CO is seeking a Mechanical Engineer to join one of our five technology divisions. You will investigate customer needs, design prototypes, and build products for government and commercial customers.

This role emphasizes reliability and manufacturability, requiring 5+ years of mechanical design experience, DoD/aerospace packaging exposure, and SolidWorks proficiency. You will collaborate across teams, mentor junior engineers, and contribute to high‑volume hardware programs.

Qualifications

• Bachelor's degree in Mechanical Engineering or equivalent.
• 5+ years of relevant mechanical design experience.
• Experience with electronic packaging for high reliability DoD/Aerospace platforms.
• ASME Y14.5M-2009 and GD&T experience.
• Mechanical fabrication knowledge: machining, sheet metal, composites.
• MIL-STD-810 and/or DO-160 experience and test methods.
• Mentoring junior engineers and technical reviews.
• Proficiency with mechanical CAD tools (SolidWorks a plus).
• Hands-on experience in a multidiscipline hardware development environment.
• Strong analytical and hardware troubleshooting skills.

Responsibilities

• Work in cross-disciplinary teams to design and prototype mechanical solutions.
• Communicate with engineers and customers to translate requirements into designs.
• Develop, test, and validate mechanical packages for high reliability systems.
• Mentor junior engineers and participate in formal technical reviews.
• Collaborate on design, fabrication, and testing of hardware.
• Troubleshoot and iteratively improve products in lab and field.

Skills

Strong communication

Team collaboration

Analytical thinking

Willingness to learn

Lab environment comfort

Education

Bachelor's degree in Mechanical Engineering

Master's degree in Mechanical Engineering

Tools

SolidWorks

Job description

FIRST RF in Boulder, CO is seeking a Mechanical Engineer to join one of our five technology divisions. You will investigate customer needs, design prototypes, and build products for government and commercial customers.

This role emphasizes reliability and manufacturability, requiring 5+ years of mechanical design experience, DoD/aerospace packaging exposure, and SolidWorks proficiency. You will collaborate across teams, mentor junior engineers, and contribute to high‑volume hardware programs.