Field Service Technician in Rolling Meadows, Illinois at Weichai America Corp.

Install, commission, and start up Weichai natural gas, diesel and generator systems, including system integration with switchgear, controls, and facility infrastructure. Perform preventive maintenance and corrective repairs on natural gas, diesel and generator systems, alternators, fuel systems, and emissions control components. Diagnose and troubleshoot mechanical, electrical, and control system issues using OEM diagnostic tools, software, and technical documentation. Conduct performance testing, synchronization, and load bank testing to validate system output and reliability. Support commissioning and tuning of gas engines for optimal efficiency, emissions compliance, and performance. Inspect and maintain auxiliary systems, including cooling, lubrication, ignition, and fuel delivery systems. Interface with control systems, including PLCs, generator controllers, and remote monitoring platforms. Document service activities, commissioning reports, and maintenance records in accordance with company and customer requirements. Provide technical support and training to customers on operation and maintenance best practices. Collaborate with engineering and product support teams to resolve complex technical issues and provide field feedback for continuous product improvement. Ensure compliance with all safety protocols, environmental regulations, and company policies.

Must be authorized to work in the United States.Valid U.S. driver’s license and clean driving record.Ability to travel extensively within Illinois and Wisconsin, with flexibility for other regions as needed.

Associate degree or technical certification in Electrical Engineering Technology, Mechanical Technology, or related field (or equivalent hands-on experience). 3–7+ years of field service experience with gas engines, power generation equipment, or distributed energy systems. Strong working knowledge of natural gas, diesel and genset operation, combustion principles, and generator system components. Experience with electrical systems (low and medium voltage), control systems, and engine management systems. Ability to read and interpret electrical schematics, P&IDs, and technical manuals. Proficiency with diagnostic software and troubleshooting tools. Valid driver’s license and willingness to travel extensively (regional and national). Ability to support on-call or emergency services for critical power applications.

Direct experience with Weichai or comparable high-speed natural gas, diesel genset platforms (e.g., Jenbacher, MWM, CAT gas engines). Experience supporting data center backup or prime power systems and other mission-critical environments. Familiarity with emissions compliance, engine tuning, and air-fuel ratio control systems. OEM certifications or factory training on gas generator systems. Knowledge of paralleling switchgear and microgrid or distributed energy applications.

Advanced troubleshooting and root cause analysis Strong customer-facing and communication skills Ability to work independently in field environments with minimal supervision High attention to safety, quality, and reliability Adaptability in fast-paced, high-growth technical environments

Equal Opportunity Statement: Weichai America Corp. is committed to fostering an inclusive workplace where all employees are treated with dignity and respect. We are proud to be an equal opportunity employer and make employment decisions based on qualifications, merit, and business needs. We do not discriminate on the basis of race, color, religion, sex, gender identity and expression, sexual orientation, national origin, age, disability, genetic information, veteran status, or any other status protected by applicable federal, state, or local law. Reasonable accommodations are available for qualified individuals with disabilities during the application and interview process. To request an accommodation, please contact hr@weichaiamerica.com. Weichai America Corp. is committed to maintaining a safe, healthy, and productive workplace. Background checks and pre-employment screenings, including drug testing, will be conducted as part of the hiring process, consistent with applicable laws and business requirements.