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Fuel Testing Jobs in California (NOW HIRING)

Quantum Fuel Systems LLC

CAD Designer

Lake Forest, CA · On-site

$70K - $125K/yr

... testing. * Duties and responsibilities may evolve based on business needs and organizational priorities. EQUAL EMPLOYMENT OPPORTUNITY & AMERICANS WITH DISABILITIES ACT Quantum Fuel Systems is an ...

Quantum Fuel Systems LLC

CAD Designer

Lake Forest, CA · On-site

$70K - $125K/yr

... testing. * Duties and responsibilities may evolve based on business needs and organizational priorities. EQUAL EMPLOYMENT OPPORTUNITY & AMERICANS WITH DISABILITIES ACT Quantum Fuel Systems is an ...

NextDeavor Inc.

Assembler/Tester Senior

Irvine, CA · On-site

$25.50 - $30/hr

... testing semi-complex mechanical and electromechanical assemblies. You will work closely with the ... Set up and verify test stands for hydraulic, pneumatic, fuel, and cryogenic systems and record ...

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Fuel Testing information

What are the key skills and qualifications needed to thrive in the Fuel Testing position, and why are they important?

To thrive in Fuel Testing, a strong background in chemistry, laboratory analysis, and quality control is essential, typically supported by a relevant technical or science degree. Familiarity with fuel testing instruments (like gas chromatographs and spectrometers), industry standards, and safety certifications such as OSHA or HAZMAT is important. Attention to detail, analytical thinking, and good communication skills help professionals excel in producing precise results and working with cross-functional teams. These capabilities ensure the reliability and safety of fuel products, maintaining compliance with regulatory and operational requirements.

What are the typical daily responsibilities of someone working in Fuel Testing?

Professionals in Fuel Testing typically spend their days collecting fuel samples, conducting laboratory analyses using specialized equipment, and accurately recording test results. They frequently review data for compliance with industry standards, document findings, and prepare detailed reports for quality assurance teams or regulatory bodies. Collaboration with production, engineering, and safety teams is common to address any anomalies or quality concerns. The role involves both independent lab work and regular communication with various departments to ensure fuel quality and safety standards are met.

What is a Fuel Testing job?

A Fuel Testing job involves analyzing fuel samples to ensure they meet quality, safety, and regulatory standards. Professionals in this role conduct tests for properties like purity, composition, and contamination in fuels such as gasoline, diesel, and aviation fuel. They often work in laboratories, refineries, or field settings using specialized equipment and techniques. The results help maintain engine performance, environmental compliance, and fuel efficiency.

What are the most commonly searched types of Fuel Testing jobs in California? The most popular types of Fuel Testing jobs in California are:
What are popular job titles related to Fuel Testing jobs in California? For Fuel Testing jobs in California, the most frequently searched job titles are:
What job categories do people searching Fuel Testing jobs in California look for? The top searched job categories for Fuel Testing jobs in California are:
What cities in California are hiring for Fuel Testing jobs? Cities in California with the most Fuel Testing job openings:
Fuel Testing jobs near you
Infographic showing various Fuel Testing job openings in California as of June 2026, with employment types broken down into 72% Full Time, 14% Part Time, and 14% Contract. Highlights an 100% In-person job distribution.
Senior Mechanical Engineer, Component Development

Senior Mechanical Engineer, Component Development

Quantum Fuel Systems LLC

Lake Forest, CA • On-site

$120K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 24 days ago

Job description

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 / High Pressure Component Specialist 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
  • Collaborate with cross-functional teams to develop innovative designs for alternative fuel safety products (e.g. long-trigger thermally activated pressure relief devices), compressed natural gas and hydrogen systems, and bulk haul systems.
  • Lead high-pressure component design / development activities, feasibility studies, and risk assessments to ensure product functionality, safety, and compliance with industry standards and regulations.
  • Generate and oversee or perform product verification / validation testing.
  • Prepare specifications for hydrogen and CNG vehicle and transportation components for various market segments.
  • Work with internal and external customers to select and configure components for applications.
  • Ability to apply a systematic and logical approach to engineering and design processes.
  • Perform analytic calculations, e.g., load and flow calculations.
  • Generate and support design activities: DFMEA, ADVP&R, etc.
  • Strong communication (verbal and written) and documentation skills.
  • Provide technical support and expertise to internal (e.g. sales, service) and external customers.
  • Lead and mentor Junior Mechanical Engineers.
  • Stay current with industry trends, emerging technologies, and best practices to drive continuous improvement and innovation in design processes.
  • Adopt and implement Quantum's Quality Assurance Procedures-QAP and Departmental Work Instructions-DWI.

EDUCATION AND EXPERIENCE
Required:
Bachelor of Science Degree in Mechanical Engineering + 5 years' experience. Master's degree is a plus.
Preferred:
  • Product development with high pressure components.
  • High pressure (Hydrogen, CNG) component design.
  • High pressure gaseous fuel products experience.
  • High pressure pneumatic or hydraulic design.
  • Developing and implementing test procedures.
  • Strong understanding of mechanical design principles, materials selection (e.g. knowledge of material compatibility issues with hydrogen and natural gas), and manufacturing processes.
  • Knowledge of automotive industry standards and regulations related to alternative fuel systems and safety devices.
  • Strong analytical and problem-solving skills, attention to detail, and ability to work in a fast-paced environment.
  • Effective communication skills and ability to collaborate with multidisciplinary teams.
  • Software: CAD (NX Unigraphics preferred).
  • Design for Manufacturing (DFM) concepts.
  • Familiar with control plans, FMEA, and GD&T.

PHYSICAL REQUIREMENTS
The employee will spend some of their time on the production floor. While performing the duties of this job, the employee may be required to stand for long periods of time, kneel, and crouch. In the office, the employee is regularly required to use their hands and fingers to operate a computer keyboard, mouse, and telephone keypad or to write, as well as talk and hear. Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception and ability to focus. This position involves occasionally lifting to 40 pounds.
EQUAL EMPLOYMENT OPPORTUNITY & AMERICANS WITH DISABILITIES ACT
Quantum Fuel Systems is an equal opportunity employer committed to fostering a diverse, inclusive, and accessible workplace. We celebrate diversity and are dedicated to creating an environment where all employees can thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, breastfeeding, and related medical conditions), sexual orientation, gender identity, gender expression, national origin, ancestry, citizenship status, uniform service member and veteran status, marital status, pregnancy, age, protected medical condition, genetic information, disability, or any other characteristic protected by applicable federal, state, or local law.
In accordance with the Americans with Disabilities Act (ADA) and applicable state and local laws, Quantum Fuel Systems provides reasonable accommodations to qualified individuals with disabilities in all aspects of employment, including the application and interview process. If you require a reasonable accommodation to perform the essential functions of a job or to participate in the application process, please contact Human Resources at hr@qtww.com so that we may engage in the interactive process to identify an appropriate accommodation.
We will consider qualified applicants with criminal histories in a manner consistent with the requirements of the Los Angeles Fair Chance Ordinance and San Francisco Fair Chance Ordinance where applicable.
Benefits
Benefits - What We Offer:
  • Health care plans (medical, dental & vision) - choose from 2 HMO and 2 PPO medical plans
  • Flexible spending account (FSA)
  • Retirement plan (401k) with company match
  • Life insurance (basic, voluntary & AD&D)
  • Paid time off (vacation, sick & selected holidays)
  • Family leave (maternity/paternity)
  • Short & long term disability plans

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