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Field Service Technician

Optimus Technologies

Pittsburgh, PA 15208 • 10/21/2026

Job Description

Job Description

FieldServiceTechnician

About Optimus Technologies

Optimus Technologies is a clean energy technology company based in Pittsburgh, PA.They provide advanced fuel system technology that enables heavy-duty diesel engines tooperateon 100% biodiesel (B100), delivering immediate, scalable, and cost-effective fleet and supply chain decarbonization. Deployable on both new trucks during manufacturing and existing fleet vehicles in as little as 24 hours, Optimus’ technology integrates seamlessly into fleet operations without compromising vehicle performance, uptime, or range. Optimus’ fuel system solutions are deployed across all major heavy-duty OEM platforms, helping fleets reduce both operating costs and emissions while supporting domestically produced, American-made biodiesel.

Find out more atoptimustec.com.

Job Description

Optimusseeksa driven, technically motivated Field Service Technician with an aptitude for diagnostics and troubleshooting mechanical and electrical systems.The ideal candidate is someone who finds satisfaction in fixing problems by analyzing customer complaints, following up with probing questions, and applying corrective action. Sometimes the corrective actions will bedeterminedwith little reference material; this is where the base knowledge and experience of the individual will shine. This role will be one of the company's primary customer-facing experts onthe VectorFuel System andSMARTFueltechnologies, delivering hands-on installation, service, and support in the field. Systems training will be provided alongside a comprehensive on-boarding plan.

Asa memberof a small,autonomousteam at afast-growing technology companyactivelybuilding out processes and resources, the ideal candidateiscomfortable working through unfamiliar problems, exercising independent judgment, and findingsolutionsusing available tools and experiencein the absence of documentation. At times, problems will requirestrong mechanical and electrical troubleshootingtechniques,or the ability to research,identifyand apply those techniques. The ability to apply amethodical approach to problem solving and a genuine interest in hands-on technical workare crucial assets. While heavy-duty diesel experience is valuable, we are open to candidates from a variety of technical backgrounds including industrial maintenance, millwright, HVAC, heavy equipment, automotive, electrical, and other skilled trades along with a dedication to representing Optimus with dignity and distinction in customer environments.

This is an hourly position ($36.48/hr-$41.02/hr)with overtime possible,to be basedin Pittsburgh, PA, with significant travel requirements (up to 75%+ of the year, at times).

Optimus is proud to be an equal opportunity employer. People of color, LGBTQ+ people, people with disabilities, veterans and members of other historically disenfranchised groups are strongly encouraged to apply.If you are unsure about being qualified for this position after reading the responsibilities and requirements, please apply anyway! We are most excited to work with individuals who learn quickly and have a passion for clean energy solutions.


Key Responsibilities

Become an expert on the Vector system andSMARTFueltechnology, and the various electronic, software, hardware, and mechanical componentstherein.(

  • Perform on-site system installations, including vehicledisassemblyand reassembly (interior, exterior,fuel system,and engine compartment), installation of fuel tanks, manifolds,fueland coolant lines, wiring harnesses, electronic controllers, and display units.
  • Respond to customer support tickets, providing remote diagnostics and troubleshooting support via phone, email, or video beforeescalating to a possibleon-site visit.

  • Perform thorough upfront research and trip preparation for each jobto ensure the correct tools, parts, and documentation are brought on the road.

  • Reference and follow technical drawings, schematics, wiring diagrams, and documentation when available, and work through the problem methodically when it is not.

  • Receive, collaborate, and execute guidance given from the engineering team or other support personnel.

  • Provide technical guidance and support to service partners performing installations, service, or repairs.

  • Performappropriate systemrepair verificationupon project completion.

  • Fill out ticket logs and other required documentation accurately and promptly for each job.

  • Document novel or particularly difficult solutions so that the knowledge iscapturedfor the broader team, and the same solutiondoesn’thave to be developed twice.

  • Maintain a high degree of professionalism at all timeswhen representing Optimus in customer-facing environments.

  • Book travel responsibly, managingschedulesandlogisticsto reliably meet customer commitments.

  • Assistwith other tasks andprojects asassignedincluding assisting with various Vector systemcomponentassembly and manufacturing.

Required Qualifications

  • Minimum of 3 years ofhands-onexperience diagnosing and troubleshooting complex mechanical and electrical systemsin heavy-duty diesel, heavy equipment, automotive, industrial maintenance, millwright, HVAC, electrical, hydraulics, controls, or similarfieldexperience.Proven formal diagnostic and troubleshooting training a plus.

  • Strong hands-on mechanical aptitude with the ability to disassemble, inspect, repair, andcorrectlyreassemble equipment.

  • Ability to systematically troubleshoot a problem, isolate the root cause, anddeterminean appropriate repairrather than relying solely on trial and error.

  • Comfort using electrical test equipment, diagnostic tools, schematics, wiring diagrams, and technical documentation toidentifyroot causes.

  • Ability to work independently in the field and make sound technical decisions with limited direct supervision.

  • Strong problem-solving mindset andperseverancewhen working through unfamiliar or difficult failures.

  • Ability to clearly document findings, repairs, and unresolved issues so others can learn from the experience.

  • Strong communicationskills and willingness to collaborate with engineering, customer service, and other corporate teams to improve technical resources and processes.

  • Valid driver's license and ability to travel to customer locations asrequired.

Preferred Experience

  • 5+ yearselectrical & hydraulicdiagnostic and troubleshooting experience

  • Familiarity with a shop environment is a strong plus.

  • Experience working from incomplete or evolving technical documentation.

  • Experience performing root-cause analysis or documenting recurring equipment failures.

  • Formal technical training, apprenticeship,or trade certification.

  • CDL

Other Job Requirements

  • A passion for alternative energy solutions.

  • Frequent physical activity such as bending, climbing, twisting, and lifting of tools, parts, and materials (up to 70lbs).

  • Valid driver's license with an acceptable drivingrecord;CDLa plus.

  • Work occurring in a variety of environments, including but not limitedto:office, outdoor, warehouse, and shop conditions.

  • Ability to work around a variety of particulates, lubricants, and chemicals.

  • Adaptive to ever-changing workload, conditions, and environments.

  • Significant domestic travel isrequired(75%+).

  • Flexible hours of operation.

  • Commitment to following safe work practices.

  • Steady office presence when not assigned to field work