[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Quanta Services jobs](https://jobs.opennash.com/companies/quanta-services/) · [Search jobs](/search/) Quanta Services # Relay Technician Skilled Trades & Maintenance Listed on Quanta Services’s official careers site. Listed as of October 19, 2026. Check that it is still open and apply there. [Apply on Quanta Services’s careers site →](https://careers2-quanta.icims.com/jobs/17043/relay-technician/job?hub=15&in_iframe=1) [OpenNash Jobs](https://jobs.opennash.com/) / [Quanta Services](https://jobs.opennash.com/companies/quanta-services/) / Relay Technician ## Job description ### About Us R.R. Cassidy, a Quanta Services, Inc. (NYSE:PWR) company, founded in 1975 brings together more than 45 years of hands-on construction expertise and specialized equipment to handle a diverse range of sub-surface and pole setting projects. Our capabilities allow us to perform conventional work, but our focus and expertise are on the projects that present unique challenges. Our footprint is throughout the southern half of the U.S. with a growing presence in the MidWest and other regions. Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member's unique contributions. We're at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us. About this Role R.R. Cassidy is searching for an experienced Substation Relay Technician. The Relay Technician is responsible for testing, maintaining, and troubleshooting protective relay systems in electrical substations with minimal supervision. This role involves using specialized relay testing equipment to ensure system reliability and compliance with engineering specifications. A strong safety mindset and the ability to lead by example are essential. ### What You'll Do Promote and model a strong safety culture, including accountability for safety practices of team members. Install, commission, test, and perform routine maintenance on protective relaying systems in substations. Conduct function testing on relay panels, transformers, breakers, and associated control circuitry. Create and follow procedures for testing, commissioning, and maintaining protective devices. Develop and execute relay test routines, macros, and verify system performance aligns with design parameters. Analyze relay logic, settings, and responses to simulated faults to confirm proper operation. Plan and implement testing and isolation procedures for scheduled outages. Install and test communication protocols and systems such as SCADA, GOOSE, Modbus, and fiber optics. Perform system analysis involving relays, transformers, AC/DC systems, and instrumentation. Assist in troubleshooting distribution and transmission protection schemes and control issues. ### What You'll Bring Valid driver’s license with an acceptable driving record. Ability to pass a pre-employment drug screen and criminal background check. Willingness to travel and work overtime when needed. Practical experience working with protective relay equipment in utility substations. Working knowledge of electrical control circuits and protective relay logic. Proficiency with relay test software and tools. Strong written and verbal communication skills. Experience with installation and maintenance of high-voltage electrical equipment such as circuit breakers, switchgear, and transformers. Associate or bachelor’s degree in Electrical/Electronic Technology or Engineering. Must be able to lift and carry up to 70 lbs. Ability to stand, walk, and climb ladders or equipment for extended periods. Capable of working in outdoor environments and various weather conditions. What You'll Get As a Quanta Services employee, we offer a wide range of benefits to fit your needs: 401(k) with immediate matching and vesting Comprehensive benefits packages including Medical, Dental, and Vision Choice of PPO, HSA, and FSA plans Short-term and long-term disability benefits Employee discounts on consumer goods Equal Opportunity Employer All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.We are an Equal Opportunity Employer, including disability and protected veteran status. We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company’s Human Resources department. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 7 days[Apply on Quanta Services’s careers site →](https://careers2-quanta.icims.com/jobs/17043/relay-technician/job?hub=15&in_iframe=1) ## More jobs at Quanta Services ### [Apprentice Fiber Technician](https://jobs.opennash.com/companies/quanta-services/jobs/1adddde990703c9719bc/) ### [Assistant Testing Technician - NETA 2](https://jobs.opennash.com/companies/quanta-services/jobs/ac4cc78b8ed8d7febc05/) ### [Construction Equipment Field Service Mechanic](https://jobs.opennash.com/companies/quanta-services/jobs/afe7a6330f0f4727507b/) ### [Electrical Testing & Commissioning Technician - Substation / Relay / Transformer](https://jobs.opennash.com/companies/quanta-services/jobs/98167fe22678fc17a421/) ## Similar jobs at other companies ### [Protection Relay and Meter Test Technician](https://jobs.opennash.com/companies/edison-international/jobs/1a230f5d346cdfba02c7/) Edison International ### [Site Engineering commissioning – CRP / Relay Protection](https://jobs.opennash.com/companies/siemens/jobs/75da30d506fd16df9921/) Siemens ### [System Engineer- CRP Automation & Protection Relay](https://jobs.opennash.com/companies/siemens/jobs/46374b8c440fe7ec78c5/) Siemens ### [Relay Protection Electrical Technician (IBEW)](https://jobs.opennash.com/companies/pge/jobs/9999352d6d696fba1211/) PG&E ### [IT Technician](https://jobs.opennash.com/companies/totalenergies/jobs/e9c08ff675cda810f593/) TotalEnergies OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)