Demo

Mechanical Engineer

FIRST RF
Boulder, CO Full Time
POSTED ON 1/6/2026
AVAILABLE BEFORE 2/4/2026
Summary

As a Mechanical Engineer, you will work in one of FIRST RF's five technologies divisions to investigate customer needs, design prototypes, and build products that require both creativity and attention to detail. These cutting-edge technologies include phased-array systems, millimeter wave active antennas, and advanced signal detection technologies designed for both government and commercial customers.

Key Responsibilities

  • A dynamic cross-disciplinary environment that requires excellent communication skills and a strong desire to take an active role in a team
  • Mentors and peers, you can seek out to tackle problems cooperatively
  • Team members who will challenge you - and an expectation that you will challenge them
  • Work given to you in areas you have never studied or experienced; we need you to be open and eager to develop skills in new areas
  • A workplace where you will always have the tools you need to get the job done
  • To get your hands dirty working with team in the design, fabrication and testing of our products

Qualifications

Required Education And Experience

  • Must have US Citizenship and ability to obtain a U.S. Security Clearance
  • Must have a Bachelor's Degree in Mechanical Engineering or equivalent
  • Must have 5 years of relevant mechanical design experience
  • Experience with electronic packaging for high reliability environments for relevant DoD and Aerospace platforms
  • Extensive experience with ASME Y14.5M-2009 and GD&T
  • Extensive experience with mechanical fabrication techniques for complex geometries including machining, sheet metal, and composites
  • Experience with MIL-STD-810 and/or DO-160 specifications and test methods
  • Experience with mentoring more junior engineers and providing technical review
  • Proficiency with mechanical CAD tools (SolidWorks a plus)
  • Hands-on experience in a multidiscipline hardware development environment
  • Strong analytical and hardware troubleshooting skills
  • Excellent written and verbal communication skills to convey complex technical concepts to peers, management, and customers
  • A desire to find, explore, and solve new and challenging problems
  • Comfortable in a lab environment
  • A resiliency to fail fast and often

Preferred Education And Experience

  • Master’s degree in Mechanical Engineering or equivalent
  • Proficiency in SolidWorks
  • Experience with DoD applications and platforms
  • Design for high temperature environments
  • Proficiency in a technical programming language such as Matlab or Python
  • Experience with the technical aspects of new business capture, including concept development, requirements analysis, and new customer interaction
  • Experience with taking a leadership role in technical development teams

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Supervisory Responsibility

This position has no direct supervisory responsibility.

Position Type/Expected Hours of Work

This is a full-time position at 40 hours per week. Typical office hours include Monday-Friday, 8:00am-4:30pm; however, these hours may vary based on workload and the manager's discretion.

Travel

About 10% travel is expected for this position.

Physical Demands

While performing the duties of this job, the employee is regularly required to talk or hear. Specific vision abilities required by this job include close vision and ability to adjust focus. This would require the ability to lift files, open filing cabinets, and bend or stand on a stool as necessary. The employee will also regularly be seated at a desk and using a computer. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

About FIRST RF

FIRST RF is a fast-growing, multi-discipline, privately owned small business focused on engineering and manufacturing of advanced technologies - specifically in antennas and radio frequency (RF) systems. We are an energetic team empowered with world-class facilities and resources. We promote a culture which prioritizes innovation and responsiveness. By making bold investments in the development of groundbreaking technologies, FIRST RF has fielded award-winning products ranging from revolutionary passive antennas to highly complex, active antenna systems.

Benefits Summary

We offer all employees four weeks of PTO each year, flexible scheduling, hybrid work, tuition reimbursement, up to 6% 401(k) match, and healthcare, dental, and vision plans.

AAP/EEO Statement

We are an Equal Employment Opportunity employer committed to providing equal opportunity in all of our employment practices, including selection, hiring, assignment, re-assignment, promotion, transfer, compensation, discipline, and termination. The Company prohibits discrimination, harassment, and retaliation in employment based on race; color; religion; genetic information; national origin; sex (including same sex); sexual orientation; gender identity; pregnancy, childbirth, or related medical conditions; age; disability or handicap; citizenship status; service member status; or any other category protected by federal, state, or local law. We support protected veterans and individuals with disabilities through our affirmative action program.

Salary.com Estimation for Mechanical Engineer in Boulder, CO
$93,034 to $113,030
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