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Field Service Technician 3 Jobs (NOW HIRING)

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

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As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

Field Service Technician III

Lewisport, KY · On-site

$27.62 - $41.42/hr

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

Field Service Technician III

Whitestown, IN · On-site

$27.62 - $41.42/hr

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

Field Service Technician III

Clayton, IN · On-site

$27.62 - $41.42/hr

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

Field Service Technician III

Pittsboro, IN · On-site

$27.62 - $41.42/hr

As a Field Service Technician III you will have overall responsibility for maintaining a highly reliable network of systems including the central office switch, carrier and transmission equipment ...

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Field Service Technician 3 information

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$14

$24

$38

How much do field service technician 3 jobs pay per hour?

As of Aug 3, 2026, the average hourly pay for field service technician 3 in the United States is $24.71, according to ZipRecruiter salary data. Most workers in this role earn between $19.23 and $28.61 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Field Service Technician 3, and why are they important?

To thrive as a Field Service Technician 3, you need advanced technical troubleshooting skills, a solid understanding of mechanical and electrical systems, and relevant certifications or an associate’s degree in a technical field. Familiarity with diagnostic tools, computerized maintenance management systems (CMMS), and manufacturer-specific software is essential. Strong customer service, time management, and problem-solving abilities help you excel when working independently or interacting with clients on-site. These skills ensure efficient equipment maintenance, high customer satisfaction, and minimal downtime in complex field environments.

What is a level 3 technician?

A Level 3 Field Service Technician is an experienced technician responsible for complex troubleshooting, repairs, and maintenance of equipment or systems. They often have advanced technical skills, certifications, and may lead or mentor lower-level technicians while working independently in the field.

What is a tech 3 position?

A Field Service Technician 3 is a senior-level technician responsible for diagnosing, repairing, and maintaining complex equipment or systems in the field. This role typically requires advanced technical skills, experience, and often certifications, with technicians working independently or leading teams in service environments.

What does a field service technician do?

A field service technician installs, maintains, and repairs equipment or systems at customer locations. They troubleshoot issues, perform routine inspections, and often use specialized tools and diagnostic software. The role typically requires technical skills, problem-solving ability, and sometimes certifications relevant to the industry or equipment they service.

What is the highest salary for a field technician?

The highest salary for a Field Service Technician can reach around $70,000 to $80,000 annually, especially for those with extensive experience, specialized skills, or certifications in areas like HVAC, electrical systems, or complex machinery. Salaries vary based on location, industry, and level of expertise, with senior technicians or those working in high-demand sectors earning the most.

What are some common challenges faced by a Field Service Technician 3, and how can they be addressed?

Field Service Technician 3s often encounter challenges such as troubleshooting complex technical issues onsite, managing time efficiently across multiple service calls, and adapting to varying customer environments. Proactively communicating with customers, maintaining up-to-date technical knowledge, and collaborating closely with support teams can help address these challenges. Additionally, leveraging digital tools for diagnostics and scheduling can streamline workflows and improve service quality.

What is the difference between Field Service Technician 3 vs Field Service Technician 2?

AspectField Service Technician 3Field Service Technician 2
CertificationsTypically requires advanced certifications like HVAC, electrical, or specialized equipment trainingBasic certifications or entry-level technical training
Work EnvironmentPerforms complex repairs, diagnostics, and installations, often with minimal supervisionHandles routine maintenance and basic troubleshooting
ResponsibilitiesHigh-level troubleshooting, complex repairs, mentoring junior techniciansBasic repairs, preventive maintenance, customer support

Field Service Technician 3 roles involve advanced skills, certifications, and responsibilities compared to Field Service Technician 2, focusing on complex tasks and mentorship. The Technician 3 position is suited for experienced technicians with specialized training, whereas Technician 2 roles are more entry-level with routine duties.

What are Field Service Technician 3s?

Field Service Technician 3s are experienced professionals who install, maintain, and repair equipment or systems at customer sites. They typically handle more complex technical issues and may supervise or train junior technicians. Their work often involves troubleshooting, diagnostics, and ensuring equipment is operating efficiently. Field Service Technician 3s may also interact directly with customers to provide support and ensure satisfaction with services provided.
More about Field Service Technician 3 jobs
What states have the most Field Service Technician 3 jobs? States with the most job openings for Field Service Technician 3 jobs include:
Infographic showing various Field Service Technician 3 job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 69% Full Time, 26% Part Time, 1% Temporary, and 3% Contract. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $51,407 per year, or $24.7 per hour.

Field Service Technician III

Comfort Systems USA

Houston, TX • On-site

Full-time

Re-posted 15 days ago


Comfort Systems USA rating

7.4

Company rating: 7.4 out of 10

Based on 75 frontline employees who took The Breakroom Quiz

137th of 277 rated repair and maintenance companies


Job description

TAS is on the hunt for a hands-on, adventure-ready Field Service Technician III! If you love solving problems, traveling to cool places, and working with cutting-edge equipment - this is the role for you. Join our dynamic team and take your skills to the next level! Apply Today!
POSITION OVERVIEW:
The Field Service Technician III's role is to provide field support to our clients. This includes commissioning, troubleshooting, repair, or retrofit of the mechanical and electrical systems of a project. This position is responsible for troubleshooting mechanical and electrical equipment, as well as controls, communications, computers, where called upon, and for the documentation of these procedures. The position requires close interface with the Quality Department, Project Engineers and Project Managers, Process Engineer, client personnel, and with other Field Engineers and Service Technicians.
The Field Service Technician III also assists in monitoring Quality Assurance requirements for completed equipment, and may perform QC checks, or oversee the same. The Field Service Technician III will compile O&M information, transmit critical O&M information during the design and construction phases of the project, and assist in compilation of the final sets of IOM manuals.
The Field Service Technician III will perform Installation support and Commissioning of all Electrical, Mechanical, and Control Systems provided by TAS as part of a project.
The Field Service Technician III reports to the Director of Aftermarket Product Services. However, this position requires close interface with the Service Project Manager, Product Manager, Production Manager, QA manager, and the Engineering manager, client personnel, general contractors, sub-contractors, and/or consulting engineers.
KEY JOB RESPONSIBILITIES:
  • Startup, preventative maintenance, and service of vertical turbine pumps and split coupled inline pumps.
  • Startup, preventative maintenance, and service of Cooling Towers (Evapco, Kelvion, Marley, SPX)
  • Startup, preventative maintenance, and service of Centrifugal Chillers (Trane, York, McQuay, Smardt)
  • Startup and troubleshooting variable frequency drives (Eaton and Allen-Bradley)
  • Install and repair power distribution systems including electric motors, motor control centers, and variable speed drives.
  • Close interface with other Field Service Technicians, Project Engineers, and Project managers, with the mechanical and electrical engineers, with service technicians, and with the client's personnel
  • Assist the Production Department in assembly, or in training of factory personnel
  • Compile O&M information
  • Transmit critical O&M information during a project
  • Assist in compilation of the final sets of IOM manuals
  • Feedback from the field is an integral part of the position
  • Create legible "red-line" drawings to submit to Project Manager
  • Arrange for a timely hand-off from construction function
  • Direct the field commissioning of a project
  • Responsible for trouble-shooting all mechanical and electrical equipment
  • Provide documented commissioning of the mechanical and electrical portions (at a minimum) of the project
  • Assist in Quality Assurance and Quality Control functions
  • Will possibly perform or oversee QC checks
  • Other responsibilities as designated by TAS

JOB SKILLS:
  • Ability to read drawings and schematics.
  • Proficient in Microsoft Office Suite including MS Office projects
  • Ability to travel extensively domestic and international
  • Exposure to at least one brand of PLC or Building controls.
  • Must be able to work independently at the job site.

EDUCATION & TRAINING:
  • HVAC Trade school and/or apprenticeship training preferred.
  • Military training and/or technical work experience could be considered in lieu of trade school certification.

MINIMUM REQUIREMENTS:
  • Significant project field experience is required in construction support, startup, repair, and maintenance work.
  • Experience with variable frequency drive startup and troubleshooting (Eaton and Allen-Bradley)
  • Experience with verification of compliance with ASHRAE, ASME, and other relevant codes and practices.
  • Experience with Centrifugal Chillers, Cooling Towers, VFD
  • Ability to travel extensively to both domestic and international job sites.
  • The ability to work in field construction conditions is required.
  • Must have or can obtain applicable safety certifications including but not limited to OSHA10 General Construction, NFPA-70E
  • Safe driving record

PHYSICAL REQUIREMENTS/WORK ENVIRONMENT:
Position is 80% travel both domestic and international. Ability to exert up to 10 pounds of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull or otherwise move objects, including the human body. Performs other physical activities including use of fingers, sitting, stooping, bending, crouching, talking, hearing, and performing repetitive motions. Visual acuity requirements include color, depth perception and field of vision necessary to prepare and analyze data and figures, operate a computer terminal, and conduct extensive reading. The incumbent will be subject to inside environmental conditions.
COMPANY OVERVIEW:
Join a team driven to excel in all that we do! When you join TAS, you join a Houston-headquartered private company with a solid reputation built on outstanding value, integrity, and customer focus. We offer our customers and employees the best of both worlds: a small company feel with the resources, talent, process, and international reach of a large company.
TAS delivers innovative packaged modular systems that are engineered and manufactured in one of our Houston, TX facilities and utilized in data centers, power, and commercial/industrial utility system applications. TAS has successfully delivered and commissioned over 520 packages to over 33 countries. The company is headquartered in Houston, TX and has five ISO 9001 certified manufacturing facilities in Houston, encompassing 1.2m sq. feet with proximity to major shipping ports and interstate highways. TAS manages all logistics and transportation facilitating accelerated construction at customer's facilities.
TAS' fastest growing business is the data center market. By applying deep expertise in cooling, thermodynamics, and power, TAS has developed an entire product line that revolutionizes data center delivery.
With our tremendous market potential, advanced technological systems, entrepreneurial culture as well as a talented and productive workforce, we continue to set and exceed aggressive market penetration and financial goals. More information is available on the company website at: www.tas.com.
IMPORTANT NOTICE: TAS has implemented a non-smoking hiring policy effective January 1, 2012, under which Individuals considered for employment will need to pass a drug test which includes a nicotine panel.
The above declarations are not intended to be an all-inclusive list of the duties and responsibilities of the job described, nor are they intended to be such a listing of the skills and abilities required to do the job. Rather, they are intended only to describe the general nature of the job.
Applications and resumes will be kept on file for a limited time and the Company is under no duty or obligation to contact applicants if they are not selected for the job applied for or if other jobs become available in the future. Applicants that desire to apply for a job that becomes available at the Company in the future, should submit a new employment application or resume.
TAS Energy Inc. guarantees equal employment opportunities to all qualified applicants. All qualified applicants will receive consideration for employment, without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

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