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Field Service Engineer

Orion Talent

San Jose, CA · Posted October 23, 2026

More in California job market · Manufacturing & Industrial · Engineering jobs

Pay compared with the market

This listing does not state pay. Across 159 open field service engineer listings that state pay, the middle half runs $77,500 to $101,000 and the median is $88,500.

Listed pay is what employers advertise, not what people are paid.

Field Service Engineer salaries by state · Check your own pay

About the job

The Field Service Engineer is responsible for installing, commissioning, maintaining, troubleshooting, and repairing high-purity water purification systems at laboratory, biotechnology, healthcare, and industrial customer facilities. This position combines hands-on mechanical and electrical troubleshooting, water quality verification, preventive maintenance, emergency repairs, and professional customer service to ensure reliable equipment operation and consistent water quality. Responsibilities include installing and servicing reverse osmosis (RO), deionization (DI), electrodeionization (EDI), ultraviolet (UV), filtration, softening, and laboratory water purification systems. The Field Service Engineer will troubleshoot pumps, valves, membranes, resins, motors, sensors, and controls; perform water quality testing; and diagnose flow, pressure, electrical, and system performance issues. Additional responsibilities include interpreting technical drawings, coordinating customer service activities, maintaining calibrated testing equipment, documenting repairs and test results, and ensuring compliance with established safety procedures. Must-Have Skills, Experience, and Education:

Practical understanding of pumps, fluid systems, motors, controls, and water chemistry

Strong mechanical and electrical troubleshooting aptitude

Ability to install, troubleshoot, maintain, and repair water treatment or related mechanical and electrical equipment

Ability to diagnose flow, pressure, electrical, control, and water quality problems

Ability to identify equipment failures, determine root causes, and recommend corrective actions

Ability to perform preventive maintenance, corrective maintenance, and emergency equipment repairs

Ability to troubleshoot and replace pumps, valves, membranes, resins, instruments, motors, and control components

Ability to use electrical diagnostic equipment and water quality testing instruments

Ability to measure and document water quality parameters, including conductivity, resistivity, pH, and total dissolved solids (TDS)

Ability to read and interpret Piping and Instrumentation Diagrams (P&IDs), electrical wiring diagrams, schematics, and equipment manuals

Working understanding of electrical components, sensors, relays, and equipment controls

Ability to troubleshoot equipment within established training and authorization limits

Ability to complete accurate field service reports documenting test results, repairs, parts usage, labor, and service recommendations

Ability to use mobile service software for work orders, reporting, and service documentation

Strong customer service and communication skills

Ability to explain technical findings, equipment conditions, and repair recommendations to customers

Ability to coordinate customer site access, equipment downtime, and follow-up service activities

Strong troubleshooting, analytical, and problem-solving skills

Strong organizational and time-management skills

Ability to work independently at customer facilities while maintaining professional communication with the service team

Valid driver's license and ability to meet applicable company vehicle requirements

Requirements:

Ability and willingness to travel to customer sites throughout the assigned service territory

Ability to work occasional after-hours, weekend, emergency response, and scheduled on-call assignments as required

Ability to work in mechanical rooms, laboratories, healthcare facilities, and industrial environments

Ability to stand, bend, kneel, and climb ladders

Ability to lift up to 50 pounds with appropriate assistance when needed

Ability to follow Cal/OSHA requirements and established workplace safety procedures

Ability to properly use personal protective equipment (PPE)

Ability to follow chemical handling, electrical safety, and lockout/tagout (LOTO) procedures

Ability to perform only work for which properly trained and authorized

Ability to maintain calibrated testing equipment, service tools, parts inventory, and assigned company service vehicle

Ability to comply with customer facility safety requirements and established service procedures

Ability to maintain dependable attendance, timely service documentation, and professional customer communication

Nice-to Have Skills, Experience, and Education:

3+ years of relevant field service, industrial maintenance, water treatment, or laboratory equipment experience; equivalent training and experience considered

Technical training or associate degree in Mechanical, Electrical, Water Treatment, or a related technical discipline

High-purity water purification system experience

Laboratory water purification equipment experience

Reverse osmosis (RO) system installation, maintenance, and troubleshooting experience

Deionization (DI) system experience

Electrodeionization (EDI) system experience

Ultraviolet (UV) water treatment equipment experience

Water filtration and softening system experience

Experience with ELGA laboratory water purification equipment

Experience with MilliporeSigma laboratory water purification equipment

Experience with comparable laboratory water purification systems

Grundfos pump experience

Fleck water treatment control experience

Experience servicing UV treatment equipment

Experience troubleshooting water purification systems in laboratory, biotechnology, healthcare, or regulated industrial facilities

Familiarity with ASTM laboratory water quality specifications

Familiarity with applicable Association for the Advancement of Medical Instrumentation (AAMI) standards

Water treatment system commissioning experience

Equipment calibration and qualification experience

Programmable Logic Controller (PLC) troubleshooting experience

Variable Frequency Drive (VFD) troubleshooting experience

Automated process control system experience

Experience troubleshooting sensors, relays, and electrical control systems

Experience coordinating specialized Total Organic Carbon (TOC), microbial, or endotoxin testing

Experience performing water quality verification and documenting system performance

Experience conducting root cause analysis and reducing repeat equipment failures