Mechanical Engineer III
Job details
- Employment
- Full-time
- Education
- Bachelor's degree
- Posted
- Oct 19, 2026
- Last confirmed open
- Oct 19, 2026
About this role
The Mechanical Engineer III designs and develops electromechanical assemblies for radio frequency (RF) and direct current (DC) devices, from initial concept through detailed design, verification, production release, and manufacturing support. This role uses SolidWorks and ANSYS Mechanical to develop and evaluate designs and provides technical guidance, mentoring, and design review support to other engineers.
- Develop mechanical concepts and detailed designs for electromechanical assemblies used in RF and DC devices, including housings, component mounting, mechanical interfaces, and thermal management features
- Provide technical support from concept and prototyping through verification, production release, and manufacturing support; work with electrical and RF engineers to define packaging and interface requirements and resolve integration issues
- Provide technical guidance to other engineers and review designs, drawings, and analyses for accuracy and completeness
- Develop new product designs and test fixtures for manufacturability and ease of assembly. Select appropriate materials and manufacturing processes. Support prototype builds, testing, and corrective design changes
- Use SolidWorks to create and maintain 3D part and assembly models, production drawings, bills of materials, and engineering documentation packages, including appropriate geometric dimensioning and tolerancing (GD&T)
- Support mechanical design reviews; present design approaches, calculations, analyses, drawings, and tradeoffs to demonstrate compliance with specifications, project objectives, and standards
- Collaborate with other engineering disciplines, customers, and suppliers to resolve technical and production issues and communicate engineering findings
- Perform structural and thermal analyses, supported by engineering calculations and tolerance analyses, to evaluate performance and guide design decisions
- Bachelor's Degree in Aerospace Engineering, Mechanical Engineering or Related Field of Study
- Minimum five (5) years of experience in a specialized functional discipline.
+ OR (9) years of experience may be considered in lieu of a Bachelors Degree.
+ OR (3) years of experience may be considered w/ a Masters Degree.
- Ability to obtain and/or maintain a Security Clearance
- Experience in the design of electronic or electromechanical products from concept through production is preferred
- Experience with SolidWorks and ANSYS Mechanical is preferred
- Experience with mechanical assemblies for RF and DC devices, including packaging, thermal management, and mechanical and electrical interfaces, is preferred
About Frontgrade
At Frontgrade, we build mission-critical electronics that perform without compromise in the world’s most demanding environments, from deep space to national defense. With decades of proven heritage, we deliver high-reliability components, subsystems, and integrated solutions trusted when failure is not an option. But our strength is not just in what we build.
It is in the people who make it possible. From engineers and product managers to sales teams, marketers, and skilled manufacturing professionals, every role plays a direct part in enabling missions that protect, explore, and connect our world. We move with purpose, collaborate across disciplines, and take pride in delivering solutions our customers rely on in the highest-stakes environments.
If you want your work, whatever your specialty, to contribute to something bigger, you will find your place at Frontgrade.
Why Work for Us
We believe mission success starts with taking care of our people. That’s why we offer competitive health, wealth, and wellbeing benefits from day one. You’ll also find real opportunities to learn, grow, and advance, whether you’re building technical expertise, leading teams, or expanding into new areas.
Here, your growth is part of the mission.
Additional Information
This position may require access to technology, materials, software or hardware that is controlled by either ITAR or EAR U.S. export laws. As a condition of any job offer, in order to be employed in this position, you may need to obtain a U.S. Government export license(s), as required by law.
Other benefits include:
- Immediate Medical (FSA and HSA), Dental, and Vision
- 401K Match with 100% immediate vesting
- 9X80 compressed work schedule for qualifying roles
- Career Opportunity and Growth
- Tuition Reimbursement/Student Loan Repayment
- Generous PTO and 11 paid Holidays per year (9 designated holidays and 2 floating holidays)
- 8 weeks of 100% Paid Family Leave