Mechanical Engineer
US$120,000 – US$140,000 / yr base salary
Posted 11 Aug 2026
Advertised as “Senior Mechanical Engineer - Gaseous Components”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 5+ yrs
- Management level
- People management
- Employment
- On-Site
- Contract
- Full-time
| Base salary | US$120,000 – US$140,000 / yr |
|---|
CertificationsBachelor of Science
Field of studyMechanical Engineering
Study levelMaster's
Senior Mechanical Engineer
Quantum Fuel Systems / www.qtww.com
Reports to: Senior Vice President, Product Engineering
Location: Lake Forest, CA (onsite at company headquarters)
Employment type: Full-time
FLSA: Exempt
Pay Range: $120,000.00 - $140,000.00/year
Quantum Fuel Systems is engineering the future of alternative fuel solutions. For over 25 years, we've been at the forefront of clean energy innovation, designing, developing, and delivering industry-leading storage systems and transport trailers for compressed natural gas (CNG), renewable natural gas (RNG), and hydrogen.
Based in Lake Forest, California, we're driving clean energy forward by helping our partners meet ambitious net-zero targets with safe, reliable, and sustainable solutions. Our product line includes next-generation fuel storage systems for commercial vehicles and virtual pipeline trailers that offer industry-leading capacity with advanced composite technology.
We are seeking a talented and innovative Sr. Mechanical Engineer / Fuel Systems Engineering to join our team. This role will be pivotal in the development of new products, improvement of existing designs, and support of system design activities. The ideal candidate will have a strong background in mechanical engineering, experience with alternative fuel systems or related industries, and a passion for creating cutting-edge solutions that advance safety and performance in the alternative fuel sector and gas transportation. Additionally, this role will involve preparing specifications for hydrogen and CNG vehicle and transportation components and working with internal and external customers to design and configure components for various applications. Design, develop, test, and integrate high-pressure gaseous fuel components and systems for CNG and Hydrogen automotive, truck, and virtual pipeline applications.
Requirements
- Lead high-pressure component and system designs.
- Generate and support design activities: DFMEA, ADVP&R, etc.
- Evaluate, select, and qualify supplier products and services.
- Outline and oversee or perform product verification and validation testing.
- Support field services and failure root cause analyses.
- Knowledge of material compatibility issues with hydrogen and natural gas.