Field Service Technician Jobs in San Antonio, TX
Field Service Technician jobs in San Antonio are concentrated across the military and defense corridor near Joint Base San Antonio, the medical district around the South Texas Medical Center, and the industrial clusters in the Brooks and Port San Antonio redevelopment zones, with strong demand in healthcare technology, industrial equipment, and utilities. Employers hiring right now include POWERX, Res, and Opus. Find a role that fits below and apply directly.
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OVERVIEW
Nautilus Hyosung America, Inc. (HYOSUNG) is a world leader in ATM self-service technologies. We have built a reputation for innovation by continually researching, developing and delivering quality ATM products – flexible products that adapt to our changing world and our customers’ changing needs.
JOB SUMMARY:
The Field Service Engineer will be responsible for the service and maintenance of Automated Teller Machines (ATMs) within their assigned territory. The Field Service Engineer will provide on-site support for ATMs including but not limited to repair, maintenance and replacement services. The Field Service Engineer may also participate in the training of other new NHA Field Service Engineers and assist with the staging and integration of ATMs. Some travel required.
ESSENTIAL FUNCTIONS:
- Installation, repair, software loading and maintenance of ATM’s or other products in a defined geographically territory.
- Train bank staff or vendors on required maintenance tasks of equipment.
- Work with internal and external support departments required to provide maintenance support to the end user.
- Maintain all Service Level Agreement as defined per customer contract.
- Work on products and services of medium to high complexity.
- Occasional travel with short notice to areas outside your home geography may be required where management deems necessary.
- Perform preventive maintenance functions of an ATM including diagnostics, testing and cleaning.
- Manage spare parts and follow all inventory processes.
- Complete administrative reports within time line allotted.
- Complete tasks as assigned by supervisor or applicable NHA staff members.
- Flexible work schedule with on-call duty.
- Work independently with minimal supervision.
- As a representative of NHA, provide an extraordinary customer service experience to our customers meeting their service obligation and demands.
- Maintain company property in good working conditions.
- Maintain a valid driver’s license.
- Responsible with company credit card usage and expense reporting.
- Must follow all security procedures and policies.
- Other duties as assigned
EDUCATION AND EXPERIENCE:
- May require an Associate’s Degree in Electronics or equivalent experience, prior ATM experience preferred, but not required, or 3-5 years of experience in the field service
- Have solid understanding of electronics and electro-mechanical equipment operation.
- Ability to use analog and digital voltmeters.
- Ability to use hand tools and carry heavy parts up to 80 lbs.
- Ability to work extended hours, including beyond assigned shift with no notice when required.
- Ability to travel to other areas of the country if needed on occasion.
- Ability to work all shifts, which may include weekend and holidays.
- On-Call duty required for all FSE positions. Compensation is provided for On-Call duty.
PHYSICAL DEMANDS:
These physical demands are representative of the physical requirements necessary for an employee to successfully perform the essential functions of the job. Reasonable accommodation can be made to enable people with disabilities to perform the described essential functions.
- While performing the responsibilities of the job, the employee is required to talk and hear.
- The employee is often required to sit and use their hands and fingers, to handle or feel.
- The employee is frequently required to stand, walk, reach with arms and hands, climb or balance, and to stoop, kneel, crouch or crawl.
- Employee must be able to lift 50lbs without assistance. May be asked to lift up to 80lbs with assistance of machinery or helper.
- Vision abilities required to perform this job include close vision.
WORK ENVIRONMENT:
While performing the responsibilities of the job, these work environment characteristics are representative of the environment the job holder will encounter. Reasonable accommodations may be made to enable people with disabilities to perform the essential functions of the job.
- The employee may be occasionally exposed to moving mechanical parts and vehicles.
- The noise level in the work environment is usually quiet to moderate.
- The passage of employees through the work area is average and normal.
- This position is a high-security position, and may pose a risk of exposure to criminal elements. Proper security training and awareness is required.
Nautilus Hyosung America, Inc. recognizes and values the diversity of its employees, customers and business partners.
Equal Opportunity Employer ~ Minorities/Females/Disabled/Veteran
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Who's Hiring



Top Industries Hiring
- Manufacturing
- Construction & Real Estate
- Transportation & Logistics
Field Service Technician Jobs in San Antonio: Frequently Asked Questions
How do I get a field service technician job in San Antonio?
The strongest hiring in San Antonio comes from defense contractors and military base support operations near Joint Base San Antonio, healthcare equipment companies serving the South Texas Medical Center campus, and utilities and industrial firms operating out of Port San Antonio and the Brooks development zone. Candidates who hold manufacturer certifications for the equipment used in these sectors, and who are comfortable working on government or hospital campuses, have a clear edge in this market.
Which companies hire field service technicians in San Antonio?
San Antonio field service technician roles are posted by POWERX, Res, and Opus and others right now, based on current listings on Migrate Mate as of November 2026. San Antonio's hiring mix skews toward defense and government contractors, medical device and imaging equipment companies, and utilities and energy infrastructure operators.
Are there remote field service technician jobs in San Antonio?
Remote work is limited for field service technicians because the core of the role is hands-on equipment installation, maintenance, and repair at customer sites. About 33% of field service technician openings tied to San Antonio are remote or hybrid as of November 2026, and those positions tend to involve remote technical support, diagnostics, or coordination rather than physical service calls.
How can I get a field service technician job in San Antonio with little or no experience?
The most realistic entry path in San Antonio is through the defense and military support ecosystem, where contractors near Joint Base San Antonio regularly hire entry-level technicians and provide on-the-job training tied to specific equipment or systems. Community college programs at San Antonio College and Alamo Colleges can also open doors, and lateral moves from warehouse technician, facilities maintenance, or biomedical equipment aide roles at local hospital systems are common stepping stones.
Which industries hire the most field service technicians in San Antonio?
The sectors hiring the most field service technicians in San Antonio are Manufacturing, Construction & Real Estate, and Transportation & Logistics, based on current listings on Migrate Mate as of November 2026. San Antonio's concentration of military installations, a large healthcare system anchored by the South Texas Medical Center, and active industrial redevelopment at Port San Antonio and Brooks all drive steady local demand for field service technicians.
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