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Bilingual a plus (Spanish or Chinese preferred) Company Description Since 1983, New Asia FSE Inc. has proudly served customers across Southern California and the Western United States. As one of the ...

The FSE manager will have overall responsibility for planning and executing FSE responsibilities for our Link 16 products which include platform integration support, demonstrations, and customer ...

Description: At ERD, our Biomedical Equipment Technicians (BMETs) play a critical role in keeping healthcare environments safe, operational, and ready to serve patients. As a BMET II / Field Service ...

Description: At ERD, our Biomedical Equipment Technicians (BMETs) play a critical role in keeping healthcare environments safe, operational, and ready to serve patients. As a BMET I / Field Service ...

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How much do fse jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for fse in California is $24.86, according to ZipRecruiter salary data. Most workers in this role earn between $20.14 and $28.94 per hour, depending on experience, location, and employer.

What are some common challenges field service engineers face when working on client sites, and how can they prepare for them?

Field Service Engineers often encounter challenges such as troubleshooting unfamiliar equipment, managing time efficiently across multiple service calls, and adapting to varying client environments. Preparation is key—staying up-to-date with product manuals, leveraging technical support resources, and developing strong communication skills help FSEs resolve issues quickly and maintain positive client relationships. Additionally, being flexible and proactive in problem-solving allows FSEs to handle unexpected situations and deliver high-quality service in dynamic settings.

What is the difference between Fse vs Mechanical Engineer?

AspectFseMechanical Engineer
Required CredentialsAssociate's or Bachelor's in Engineering or related fieldBachelor's or higher in Mechanical Engineering
Work EnvironmentField inspections, site visits, client interactionsDesign, analysis, and project planning in offices or labs
Industry UsageConstruction, manufacturing, infrastructure projectsProduct design, automotive, aerospace, manufacturing
Common Search IntentFse vs Mechanical EngineerFse vs Mechanical Engineer

While both Fse and Mechanical Engineers work within engineering fields, Fse typically focuses on field inspections and ensuring compliance on-site, whereas Mechanical Engineers are more involved in design and analysis in office settings. Understanding these differences helps in choosing the right career path or job search focus.

What are the key skills and qualifications needed to thrive as a field service engineer?

To thrive as a Field Service Engineer, you need a solid background in engineering, technical troubleshooting, and equipment maintenance, typically supported by a relevant degree or technical certification. Familiarity with diagnostic tools, specialized software, and systems such as PLCs or SCADA is often required. Strong communication, customer service, and problem-solving skills help you effectively interact with clients and adapt to diverse environments. These skills ensure efficient equipment servicing, customer satisfaction, and minimal downtime for critical systems.

What is a field service engineer?

Field Service Engineers (FSEs) are technical professionals who install, maintain, repair, and troubleshoot equipment or machinery at client sites. They often work in industries such as manufacturing, medical devices, telecommunications, or IT, providing on-site support to ensure equipment operates efficiently. FSEs play a critical role in minimizing downtime, training customers, and ensuring optimal performance of complex systems. Their work frequently involves travel and requires strong problem-solving skills, technical knowledge, and customer service abilities.
What are popular job titles related to Fse jobs in California? For Fse jobs in California, the most frequently searched job titles are:
What job categories do people searching Fse jobs in California look for? The top searched job categories for Fse jobs in California are:
Infographic showing various Fse job openings in California as of August 2026, with employment types broken down into 1% Locum Tenens, 88% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $51,701 per year, or $24.9 per hour.

Senior Field Service Engineer (FSE)

Epirus

Torrance, CA • On-site

Full-time

Re-posted yesterday


Job description

About Epirus

Epirus is a high-growth technology company developing solid-state, software-defined directed energy systems that enable unprecedented counter-electronics effects and power management solutions to optimize power efficiency in defense and commercial applications. With a constant emphasis on innovation, we are redefining the future of power to bring tomorrow's capabilities to life, today. And that's just the beginning.

Job Summary: Epirus is seeking a Field Service Engineer (FSE) III with the ability to provide advanced technical support, troubleshooting, and operational oversight in support of Epirus High Power Microwave Counter Unmanned Aerial Systems (HPM-CUAS). This individual will work as a member of a small team with a primary focus on the maintenance, training support and sustainment of fielded HPM assets. The FSE will directly support the maintenance of the fielded HPM-CUAS equipment, re-installation of Line repairable units (LRUs), training, integration, and sustainment of these solutions with existing client infrastructure at CONUS and OCONUS locations. Candidate will provide hands-on support for HPM-CUAS technical, network, and integration projects. This role requires hands-on expertise in electrical, mechanical, and software systems, as well as the ability to work in high-pressure situations supporting defense operations.

This position requires a high degree of technical skill, personal resilience and flexibility, strong interpersonal skills, and the ability to work as part of a cross-functional team in a variety of physical environments.

Responsibilities:
  • Work closely with engineering teams to provide feedback on system performance and potential design improvements.
  • Coordinate with project managers, logistics personnel, and customers to ensure timely resolution of issues.
  • Conduct install/uninstall of HPM-CUAS systems in a variety of locations / environmental conditions to support client operations, test and evaluations, Tactics, Techniques and Procedure (TTP) / Doctrine development, and New Equipment Training (NET) courses.
  • Make recommendations on equipment modifications/upgrades based on experience gained through testing and operational use of HPM-CUAS systems.
  • Deploy overseas locations to perform technical inspections, system checks, fault diagnosis, identify cause of failures, and replace Line Repairable Unit (LRU), test and restore HPM-CUAS systems to full functionality.
  • Conduct advanced programming of HPM-CUAS systems (install/upgrade firmware, software upgrades, etc.).
  • Work with the Epirus training and enablement team to develop and conduct training on the proper care, use, maintenance, and preventive maintenance of systems.
  • Work closely with engineering teams to provide feedback on system performance and potential design improvements.
Basic Qualifications:
  • Bachelor's degree in Electrical Engineering, Mechanical Engineering, Physics, or a related technical field AND minimum 5 years of related experience (or 3 years and a Master's degree).
  • Proficiency in troubleshooting and repair of electronic and mechanical systems.
  • Knowledge of high-power RF generation, wave propagation, and directed energy principles.
  • Familiarity with test equipment (oscilloscopes, spectrum analyzers, RF power meters, etc.).
  • Strong technical writing and verbal communication skills.
  • Ability to provide technical advice and guidance on installation, adaptation, configuration and/or enhancement of company technical products, programs, and systems.
  • Candidate must hold a valid U.S. passport or have the ability to obtain a U.S. passport.
  • Military experience with CUAS Systems (RF Detection, Radar, EO/ IR Optical systems, Command and Control (C2) Systems.
  • Experience working in field operations, including deployment in austere or challenging environments.
  • Experience working independently or as a team member to solve project and/or engineering problems.
  • Ability to use and communicate a wide variety of technical data from OEM manuals, engineering drawings, etc. to engineers as well as to non-technical system end users.
  • The position requires daily interaction with customers at multiple levels.
  • Candidate must possess and use a high degree of tact and interpersonal communication skills in daily interactions with team members, clients, vendors, and end users.
  • This position requires the ability to obtain and maintain a SECRET security clearance, which is issued by the U.S. government. U.S citizenship is required to obtain a security clearance
Preferred Skills and Experience:
  • Previous experience with HPM or other directed energy systems.
  • Certification in RF safety or related disciplines.
  • Military background or experience working with defense contractors.
  • Routine manual lifting of objects 50-80 pounds such as boxes and other equipment. Perform work in unusual and sometimes difficult positions such as climbing ladders; high lift equipment up to 40 feet, crawl spaces, above ceilings, etc. Manual dexterity required for frequent reaching, climbing, and lifting of moderate objects, operation of power and manual tools/equipment, and operating office equipment.
  • Typical overseas assignments are frequently performed in both internal and external environments with a variety of weather conditions. Ability to work under extreme hot or cold weather conditions with exposure to dust or dirt is routine and may require the use of protective personal equipment (PPE).
  • This position will require overseas travel. Candidates should be willing to be on travel / TDY away from their home location 90 – 120-day durations, in hazardous duty locations.
  • FAA Part 107 certification

ITAR REQUIREMENTS:

  • To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

People are the most important part of Epirus – and always come first. We don't believe in the word impossible and are always asking "why not" as work to usher in a new paradigm of power efficiency. Our fast-growing team is agile, creative, and innovative. We support a culture of constant learning and sense of belonging among our team members and know that mentorship matters. We embrace diversity, equity, and inclusion in the workplace and beyond. To deliver on our mission, we are always looking for problem solvers, changemakers and innovators to join our fast-growing team.

As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location.
For the state of California only, the range of starting pay for this role is:
$98,700—$119,800 USD