Field Service Engineer

Ultimate Staffing; Newark (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Our Newark, CA facility is seeking a hands-on Field Service Engineer to install, maintain, troubleshoot, and repair complex high-voltage electronic systems for global customers. The role requires extensive travel and direct customer engagement, delivering responsive service and technical expertise.

You will work across power supplies, interlock systems, thermal controls, and RF components, read schematics, and document service activities.

Qualifications

• Associate degree in Electronics Technology, Electrical Engineering Technology, or equivalent military/industry experience.
• Minimum 5 years of hands-on field service, maintenance, or electronic systems troubleshooting.
• Experience with linear accelerators, high-voltage power supplies, modulators, klystrons, SSPAs, or TWTAs, RF systems and interlocks.
• Ability to read and interpret electrical schematics, wiring diagrams, and technical documentation.
• Valid driver''s license.
• Ability to lift up to 50 pounds and work in physically demanding environments including confined spaces and elevated areas.
• Willingness and ability to travel extensively, including international travel.

Responsibilities

• Install, startup, preventive maintenance, troubleshooting, and repair of high-voltage power supplies and interlock systems.
• Maintain and diagnose thermal control and cooling systems.
• Diagnose electrical and thermal issues at system and component levels.
• Verify system performance using schematics and service manuals.
• Troubleshoot cooling and thermal issues, including alarms and sensor failures.
• Safely work around high-voltage and high-power equipment following safety protocols.
• Maintain accurate service documentation and field reports.
• Support bench-level testing and repair when not deployed onsite.

Skills

Field service

Electrical troubleshooting

High-voltage systems

RF systems

Troubleshooting

Reading schematics

Driving

Travel 80%

Education

Associate degree in Electronics Technology

Tools

Schematics reading

RF test equipment

High-voltage test equipment

Job description

Join a leading technology company specializing in advanced high-voltage and high-power electronic systems supporting communications, radar, electronic warfare, medical, testing and measurement, and security applications worldwide. We're seeking a hands-on Field Service Engineer to support customers globally through installation, maintenance, troubleshooting, and repair of complex electronic systems.

About the Role

We are looking for a technically skilled and customer-focused Field Service Engineer who thrives in a fast-paced environment and enjoys solving complex technical challenges. This role involves extensive domestic and international travel, supporting mission-critical equipment at customer sites worldwide.

Travel is expected to be approximately 80%, with opportunities to work on cutting-edge technologies in diverse environments. When not traveling, you'll support testing and repair activities at our Newark, CA facility.

Key Responsibilities

• Perform installation, startup, preventive maintenance, troubleshooting, and repair of:
• High-voltage power supplies and interlock systems
• Thermal control and cooling systems
• Diagnose and resolve electrical, electronic, and thermal system issues at both the system and component level
• Verify system performance using schematics, wiring diagrams, service manuals, and test procedures
• Troubleshoot cooling and thermal issues, including temperature alarms, sensor failures, and control-related problems
• Safely work around high-voltage and high-power equipment while following all company and customer safety protocols
• Maintain accurate service documentation and field reports
• Support bench-level testing and repair activities when not deployed onsite

Qualifications

Required

• Associate degree in Electronics Technology, Electrical Engineering Technology, or equivalent military/industry experience
• Minimum 5 years of hands-on experience in field service, maintenance, or electronic systems troubleshooting
• Experience working with one or more of the following:
• Linear accelerators (medical or industrial)
• High-voltage power supplies
• Modulators, klystrons, SSPAs, or TWTAs
• RF systems and interlocks
• Ability to read and interpret electrical schematics, wiring diagrams, and technical documentation
• Valid driver's license
• Ability to lift up to 50 pounds and work in physically demanding environments including confined spaces and elevated areas
• Willingness and ability to travel extensively, including international travel

Preferred

• Experience with thermal management systems, chillers, temperature control units, and sensors
• Customer-facing field service experience
• Experience supporting safety-critical or regulated environments
• Familiarity with structured troubleshooting methodologies, failure reporting, and escalation processes

What We Offer

• Competitive salary and comprehensive benefits package
• Medical, dental, and vision coverage
• 401(k) with company match
• Performance bonus opportunities
• Career advancement within a global organization
• Collaborative and innovative work environment
• Exposure to cutting-edge technology and international customer sites

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, and San Francisco Fair Chance Ordinance.