Senior Mechanical Engineer, Fuel Systems (Onsite)

Quantum Fuel Systems LLC; Lake Forest (CA); On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

Comprehensive Health Coverage

401(k) with company match

Paid Time Off

Job summary

Quantum Fuel Systems LLC, based in Lake Forest, CA, seeks a Senior Mechanical Engineer to develop high‑pressure fuel systems for CNG and hydrogen, lead design, testing, and supplier qualification, and mentor junior engineers. The role emphasizes safety, performance, and collaboration with internal teams.

The position requires a BS in Mechanical Engineering with 5+ years of experience, CAD NX Unigraphics proficiency, and knowledge of material compatibility with hydrogen and natural gas.

Qualifications

• Requires a BS in Mechanical Engineering with 5+ years of experience.
• Master’s degree is a plus for preferred qualifications.
• Knowledge of high-pressure fuel systems and material compatibility with hydrogen and natural gas is expected.

Responsibilities

• 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.
• Lead and mentor Junior Mechanical Engineers.
• Stay current with industry trends and QA procedures.

Skills

High-pressure systems

DFMEA

GD&T

Communication

Mentorship

Education

Bachelor of Science Degree in Mechanical Engineering + 5 years experience

Master’s degree is a plus

Tools

CAD NX Unigraphics

FMEA tools

Job description

Quantum Fuel Systems LLC, based in Lake Forest, CA, seeks a Senior Mechanical Engineer to develop high‑pressure fuel systems for CNG and hydrogen, lead design, testing, and supplier qualification, and mentor junior engineers. The role emphasizes safety, performance, and collaboration with internal teams.

The position requires a BS in Mechanical Engineering with 5+ years of experience, CAD NX Unigraphics proficiency, and knowledge of material compatibility with hydrogen and natural gas.