Field Services Engineer Jobs in California
Field Services Engineer jobs in California are highly active, concentrated in semiconductor manufacturing, defense systems, medical devices, and enterprise IT infrastructure, with openings at every level from associate field engineer through senior systems specialist. The largest hiring centers are the San Francisco Bay Area, San Diego, and Los Angeles, where established employers such as Siemens, Keysight Technologies, and Cisco have deep California footprints and consistent field engineering needs. The most in-demand specialties are hardware diagnostics, industrial automation, and networking infrastructure support. Find a role that fits below and apply directly.
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Work Schedule
Standard (Mon-Fri)
Environmental Conditions
Able to lift 40 lbs. without assistance
Job Description
As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner, and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe, or helping find cures for cancer.
Opportunities
We have multiple opportunities to join our Field Service Engineering team at different levels across the upper 48 states: Field Service Engineer I, Field Service Engineer II, and Field Service Engineer III.
Level placement will depend on education, technical expertise, and years of experience. We actively recruit throughout the year to support customer needs in multiple regions. Candidates who apply may be considered for current or future openings aligned with their experience and location preferences.
Company Overview
When you join us at Thermo Fisher Scientific, you’ll be part of an inquisitive team that shares your passion for exploration and discovery. With revenues of more than $40 billion and the largest investment in R&D in the industry, we give our people the resources and opportunities to make significant contributions to the world.
The Materials and Structural Analysis Division (MSD) Electron Microscopy (EM) business enables customers to find meaningful answers to questions that accelerate breakthrough discoveries and ultimately change the world. The MSD Electron Microscopy business designs, manufactures, and supports the broadest range of high-performance microscopy workflow solutions that provide images and answers at the micro-, nano-, and picometer scales.
Position Overview
As a Field Service Engineer, you will support the installation, maintenance, and repair of sophisticated electron microscopy and analytical instrumentation. You will work with advanced technologies while delivering exceptional technical service to customers across semiconductor, research institutions, universities, government laboratories, and industrial facilities.
In this role, you will troubleshoot complex systems, conduct preventive maintenance, and ensure instrumentation operates at optimal performance. Field Service Engineers work closely with customers and internal engineering teams to maintain system reliability and support scientific discovery.
Depending on experience level, responsibilities may include independent troubleshooting, complex system installations, mentoring other engineers, and serving as a technical escalation point within the service organization.
Key Responsibilities
- Install, maintain, repair, and calibrate electron microscopy systems, including:
- Scanning Electron Microscopes (SEM)
- Transmission Electron Microscopes (TEM)
- Focused Ion Beam (FIB) systems
- Conduct scheduled preventive maintenance to ensure optimal system performance.
- Troubleshoot and diagnose complex system issues involving electronics, vacuum systems, high voltage components, and integrated software.
- Provide technical support to customers and collaborate with other field service engineers to resolve service challenges.
- Develop strong relationships with customers while ensuring high levels of customer satisfaction and system uptime.
- Travel to customer sites to install equipment, perform repairs, and support system operation.
- Document service activities and submit detailed field service reports.
- Provide training and technical guidance to customers on system operation and maintenance.
- Follow all safety procedures and quality standards while servicing equipment in laboratory environments.
- Provide feedback to engineering, product quality, and service leadership teams to support continuous product improvement.
- Support updates to technical documentation and service procedures.
- For more experienced levels, responsibilities may include mentoring junior engineers, leading complex installations, and serving as a technical escalation resource.
Minimum Requirements
Education
- Bachelor’s degree in Electronics, Engineering, Physics, Chemistry, or related technical field or equivalent combination of education and technical experience in electronic systems.
Experience
Experience requirements vary depending on the level of the position:
Field Service Engineer I
- 1+ years of hands-on technical experience installing, troubleshooting, repairing, or calibrating sophisticated analytical equipment such as SEM, TEM, FIB, or similar systems.
Field Service Engineer II
- 3+ years of hands-on experience installing, troubleshooting, repairing, or calibrating complex analytical instrumentation.
Field Service Engineer III
- 5+ years of experience supporting sophisticated analytical systems with demonstrated ability to troubleshoot complex system-level issues.
Additional Requirements
- Valid driver’s license
- Ability to travel up to 75% within assigned territory
- Ability to lift up to 50 lbs. and work in laboratory environments
- English proficiency required, additional languages beneficial
Preferred Technical Experience
- Hands-on experience with SEM, TEM, FIB, or similar advanced analytical systems
- Experience diagnosing and repairing ultra-high vacuum (UHV) systems
- Experience working with high voltage equipment
- Strong electronics and mechanical troubleshooting skills with the ability to diagnose issues to the component level
- Ability to read and interpret technical documentation, schematics, and system diagrams
Skills and Qualifications
- Excellent customer service and communication skills
- Strong organizational and time management capabilities
- Proficiency with Microsoft Office and service management software
- Strong analytical and problem-solving abilities
- Ability to work independently in a field-based environment
- Ability to train and support customers on system operation
- Experience documenting service activities and preparing detailed reports
- Demonstrated commitment to safety protocols and quality standards
- Demonstrated success contributing to customer satisfaction goals
Compensation and Benefits
The hourly pay range estimated for this position Engineer II, Field Service based in New York is $28.85–$43.27. This position may also be eligible to receive a variable annual bonus based on company, team, and/or individual performance results in accordance with company policy. We offer a comprehensive Total Rewards package that our U.S. colleagues and their families can count on, which includes:
- A choice of national medical and dental plans, and a national vision plan, including health incentive programs
- Employee assistance and family support programs, including commuter benefits and tuition reimbursement
- At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy
- Retirement and savings programs, such as our competitive 401(k) U.S. retirement savings plan
- Employees’ Stock Purchase Plan (ESPP) offers eligible colleagues the opportunity to purchase company stock at a discount
For more information on our benefits, please visit: https://jobs.thermofisher.com/global/en/total-rewards
See All 96 Field Services Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Field Services Engineer JobsField Services Engineer Jobs by City in California
Where California roles are concentrated, by current openings.
Field Services Engineer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
- Thermo Fisher Scientific7

- Siemens4

- Clean Harbors3

- Ultima Genomics3

- ALPHATEC SPINE2

Top Industries Hiring
- Manufacturing22
- Electronics & Hardware19
- Consulting & Professional Services13
- Technology & Software12
- Science & Research11
What California Employers Look For
The qualifications that appear most often in field services engineer jobs across California.
- Bachelor's degree in electrical engineering, mechanical engineering, or a closely related technical field
- Hands-on experience installing, maintaining, and troubleshooting complex technical systems at customer sites
- Proficiency with diagnostic tools, test equipment, and technical documentation and schematics
- Valid California driver's license and ability to travel regularly within an assigned service territory
- Strong customer-facing communication skills and ability to manage on-site issue resolution independently
- Familiarity with networking protocols, industrial control systems, or medical device regulatory standards depending on sector
Field Services Engineer Jobs in California: Frequently Asked Questions
How do you become a field services engineer in California?
Most field services engineer roles in California require a bachelor's degree in electrical, mechanical, or systems engineering from an accredited program. California does not mandate a state license for the general field services engineer title, but roles in certain sectors require additional credentials: medical device engineers often need familiarity with FDA quality system regulations, and engineers working on licensed electrical systems may need a California Electrical Contractor license or work under one. Completing an internship or co-op with a California defense contractor, semiconductor firm, or enterprise IT company is the most direct path to a first role.
Which companies hire field services engineers in California?
Employers hiring field services engineers in California right now include Thermo Fisher Scientific, Siemens, and Clean Harbors, based on current listings on Migrate Mate as of June 2026. California's concentration of semiconductor fabs, defense primes, and large hospital systems means demand is distributed across Northern and Southern California rather than clustering in a single metro.
Which California cities have the most field services engineer jobs?
San Jose, Los Angeles, and Fremont account for the most field services engineer openings in California. The Bay Area's density of semiconductor, networking, and enterprise technology companies drives the highest volume, while San Diego's defense contractors and medical device manufacturers sustain strong demand, and Los Angeles draws openings from aerospace primes, utilities, and large healthcare systems spread across the greater metro.
Are there remote field services engineer jobs in California?
Yes, but they're rare. The core of field services engineering is on-site installation, diagnostics, and repair, which requires physical presence at customer locations. About 23% of field services engineer openings tied to California are remote or hybrid as of June 2026, and those positions tend to involve technical pre-sales support, remote monitoring, or documentation roles rather than hands-on field work.
How can I get hired as a field services engineer in California with little or no experience?
The most realistic entry path is an associate or junior field engineer role at a California-based systems integrator or original equipment manufacturer, where structured training programs replace experience requirements. Large California employers such as Siemens and Keysight run new-graduate rotational programs that place engineers in the field alongside senior technicians. Candidates moving laterally from bench technician, IT support specialist, or biomedical equipment technician roles are frequently considered. Earning a CompTIA A+ or vendor-specific certification from Cisco or Rockwell Automation gives an early-career candidate a clear technical signal that translates directly to California hiring managers.
Where can I find and apply to field services engineer jobs in California?
You can find and apply to field services engineer jobs in California on Migrate Mate, which lists current California openings across sectors including defense, medical devices, semiconductor equipment, and enterprise IT. Find roles that fit your background and apply directly to each one.
See All 96 Field Services Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Field Services Engineer Jobs