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Relay Technician Jobs in Delaware (NOW HIRING)

THERMO KING

Trailer Repair Technician - Delmar

Delmar, DE

$22 - $28/hr

... relay values, air tanks. Brake Mechanics Certificate a plus. * Rail Gate Experience: adjust lift ... Trailer Technician, Expert (3+ years of experience, including above requirements): * Performs other ...

Kuehne Chemical Company, Inc

I&E Technician

New Castle, DE · On-site

$43.88 - $44.76/hr

The I&E Technician is responsible for safely, correctly, and efficiently maintaining, repairing ... Knowledge of relay logic, ladder logic, and control logic. * Knowledge of PLC systems (Allen ...

RMS Energy

Senior Field Service Technician

Dover, DE · Remote

We're looking for Senior Field Service Technicians with strong electrical expertise and leadership ... Familiarity with relay settings development or advanced system protection analysis * NETA Level III ...

RMS ENERGY

Senior Field Service Technician

Dover, DE · On-site

We're looking for Senior Field Service Technicians with strong electrical expertise and leadership ... Familiarity with relay settings development or advanced system protection analysis * NETA Level III ...

RMS ENERGY

Field Service Technician II

Dover, DE · On-site

We're looking for Field Service Technicians with strong testing and troubleshooting experience who ... Troubleshoot control circuits, relay logic, and protection schemes * Function check control panels ...

RMS Energy

Field Service Technician II

Dover, DE · On-site

We're looking for Field Service Technicians with strong testing and troubleshooting experience who ... Troubleshoot control circuits, relay logic, and protection schemes * Function check control panels ...

Petco

Veterinary Assistant

Middletown, DE · On-site

$14.75 - $18.50/hr

... relay test results to doctor and clients, and maintain and update client/patient records. * Help prepare patients for surgical and dental procedures and assist doctor and/or veterinary technician in ...

Petco

Veterinary Assistant

Middletown, DE

$14.75 - $18.50/hr

... relay test results to doctor and clients, and maintain and update client/patient records. * Help prepare patients for surgical and dental procedures and assist doctor and/or veterinary technician in ...

Jiffy Lube

Automotive Service Advisor

Lewes, DE · On-site

$21 - $41/hr

Lastly, they have strong communication and computer skills in order to build service tickets and relay information between the customer and service technicians. Every J-Team member receives ...

Jiffy Lube

Automotive Service Advisor

Lewes, DE · On-site

$21 - $41/hr

Lastly, they have strong communication and computer skills in order to build service tickets and relay information between the customer and service technicians. Every J-Team member receives ...

All JobsRelay Technician JobsRelay Technician Jobs in Delaware

Relay Technician information

See Delaware salary details

$53K

$93.3K

$118.1K

How much do relay technician jobs pay per year?

As of Aug 26, 2026, the average yearly pay for relay technician in Delaware is $93,335.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,600.00 and $107,100.00 per year, depending on experience, location, and employer.

What is a relay technician?

Relay technicians are specialized professionals who install, test, maintain, and repair protective relays and related equipment in electrical power systems. These relays are crucial for detecting faults and ensuring the safety and reliability of power grids. Relay technicians work primarily for utility companies, industrial plants, or electrical contractors, and their work helps prevent equipment damage and power outages. The job often requires knowledge of electrical theory, experience with test equipment, and strict adherence to safety protocols.

What does a relay technician do?

A relay technician performs maintenance and repairs to relays in electrical power stations. As a relay technician, your duties involve repairing circuit breakers, replacing wires, testing different components, and calibrating generators. You ensure electricity gets routed through your station on its way to residential or commercial areas at the correct voltage. You also read electrical diagrams and schematics to learn where issues are and use the information to install new components.

What are the key skills and qualifications needed to thrive as a relay technician, and why are they important?

To thrive as a Relay Technician, you need a solid understanding of electrical theory, protection and control systems, and typically an associate degree or equivalent field experience. Familiarity with test equipment, relay testing software, and industry standards like NETA or IEEE is essential, and certifications such as NETA or NICET are often advantageous. Strong analytical thinking, attention to detail, and effective communication are crucial soft skills for troubleshooting and collaborating with engineering teams. These skills ensure accurate relay operation, system reliability, and safety in power generation and distribution environments.

What are some common challenges faced by relay technicians during fieldwork, and how can they be managed?

Relay Technicians often encounter challenges such as working in remote or outdoor locations, troubleshooting complex relay protection systems, and adhering to tight maintenance schedules. Managing these challenges requires strong analytical skills, attention to detail, and the ability to work independently or as part of a team. Technicians can effectively handle these situations by staying current with industry standards, participating in ongoing training, and maintaining clear communication with engineers and other team members.

What is the difference between Relay Technician vs Cable Technician?

AspectRelay TechnicianCable Technician
CertificationsElectrical certifications, technical trainingElectrical, telecommunications, or cable installation certifications
Work EnvironmentPower plants, substations, industrial facilitiesResidential, commercial buildings, telecommunications sites
Industry UsageUtilities, power distributionTelecommunications, cable TV, internet providers
Job FocusMaintaining and repairing relay systems and electrical controlsInstalling, troubleshooting, and repairing cable and wiring systems

Relay Technicians primarily work with electrical relay systems in power and industrial settings, focusing on system maintenance and repair. Cable Technicians handle cable installation and troubleshooting in residential and commercial environments. While both roles require electrical knowledge and certifications, their work environments and specific tasks differ significantly.

More about Relay Technician jobs

What are the most commonly searched types of Relay Technician jobs in Delaware?

The most popular types of Relay Technician jobs in Delaware are:

What are popular job titles related to Relay Technician jobs in Delaware?

For Relay Technician jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Relay Technician jobs in Delaware look for?

The top searched job categories for Relay Technician jobs in Delaware are:

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Cities in Delaware with the most Relay Technician job openings:

What are popular job titles related to Relay Technician jobs in DE?

For Relay Technician jobs in DE, the most frequently searched job titles are:

Relay Technician jobs near you
Infographic showing various Relay Technician job openings in Delaware as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $93,335 per year, or $44.9 per hour.

Trailer Repair Technician - Delmar

THERMO KING

Delmar, DE

$22 - $28/hr

Full-time

Posted 12 days ago

Job description

Leader in the Industry

Thermo King West has about 200 employees across its 9 locations in 6 states. It has also been very successful in diversifying its equipment portfolio that it sells and supports. Today, Thermo King West and its subsidiaries are market leaders in Thermo King transport refrigeration, Versalift aerial buckets, TICO terminal tractors, Club Car commercial vehicles, Knapheide truck bodies, trailer repair, and consumer golf carts. Thermo King West is one of North America’s largest and most respected dealerships in the critical transport refrigeration space. 

Trailer Repair Technician (Apprentice, Journeyman or Expert)

Work setting: In-person

Job Type: This is an hourly, full-time, non-exempt position with an expected work schedule of 40 hours per week.

Schedule: 

  • M-F or M-Th. There may be times when overtime will be available/requested. 
  • 8-hour shift or 10-hour shift (depending on days worked).
Key Responsibilities

Trailer Repair Technician, Apprentice (0-2 years of experience):

  • Demonstrated mechanical aptitude.
  • Participate in a one-year Apprenticeship Program.
  • If no welding experience, be trained to weld steel, aluminum and stainless. 
  • Operate power tools and repair damaged trailers. 
  • Able to work overtime when needed in order to ensure our customers’ satisfaction. 
  • Abide by company attendance, punctuality, and safety policies.
  • Willing to work hard in a fast-paced environment. 
  • Must be willing to learn and follow directions.
  • Handle other duties as assigned.
  • Advancement is typically from Apprentice to Journeyman to Expert or to other areas within the business. 

Trailer Technician, Journeyman (2+ years of experience, including above requirements):

  • Perform PMs, BIT, and DOT Inspections.
  • Lighting and Electrical System: Diagnose, isolate, and repair lighting systems such as shorts and open circuits.
  • Must be able to perform Air Brake Inspections and Repairs: Air brake overhauls, measure brake lining thickness, drums, and s-cams, adjust brakes, replace s-cams and bushings, slack adjusters, and replace relay values, air tanks. Brake Mechanics Certificate a plus.
  • Rail Gate Experience: adjust lift-gate platform and its controls, replace rail cables and/or cylinders, motors, pumps, and relays.
  • Diagnose mechanical problems; mobile operations, quote jobs accurately; train new technicians.
  • Able to replace suspension components and landing legs; perform axle alignments 
  • Perform MIG-weld steel, aluminum and stainless.

Trailer Technician, Expert (3+ years of experience, including above requirements):

  • Performs other functions or duties as directed by management in line with management objectives. Be safety-minded and follow all safety rules.
  • Experience in Collision Repair, Dry and Refrigerated Van, Structure, Roll & Swing Doors, Interiors, Exteriors, Ceilings, and Roof repairs is a plus.

Key Success Factors 

  • Delivering superior customer satisfaction through high quality and efficient service
  • Problem solving and relationship building skills
  • Effective and proactive communication
  • Demonstrating good judgment and decision-making skills
  • Ability to work at times with little or no supervision
  • Desire to learn and continuously improve self and surroundings
  • Drive to meet and exceed productivity standards
  • Advancement is typically from Apprentice to Journeyman to Expert or to other areas within the business

Apply