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MC
MasTec Communications Group
Installer III-Central Office
Career Insights for Electrical Substation / Relay Repairer
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Based on North Carolina data
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What they do
An Electrical Substation or Relay Repairer works at an electrical substation and operates equipment that controls the flow of electricity. Maintains and repairs relays or switches in a system that allows electricity from a power station to travel through the substation out to the distribution system and to customers.
$80,231 / year median in North Carolina
+1% projected growth
Job Description
Installer III-Central Office MasTec Communications Group life insurance, vision insurance, paid time off, paid holidays, sick time, 401(k) United States, North Carolina, Charlotte Aug 18, 2026
Overview At MasTec Communications Group we build for the future. Yours and ours. As an Installer III, you will develop new skills, work in a safety-minded environment, and join us in expanding technology for a better community. Join the MasTec family and help us provide the highest level of quality service to our customers and communities while maintaining our commitment to safety! Responsibilities As an Installer III, you are responsible for reading and interpreting the proper installation specifications for various construction projects. You believe in doing the job right. Being the best. And you're up for the challenge. In addition, you will: Determine floor plan layouts, power distribution, backup power supplies, and cabling of central office equipment
Design, identify, and requisition parts necessary to establish low- and high-level racking, transmission racking, power racking, aisle lighting, and provision for grounding
Create comprehensive and accurate installation specifications and equipment requirements to fulfill customer orders
Create or correct location records, drawings, bill of materials (BOM), installation notes, and memos to reflect additions and modifications to customers' location (central office) as a result of installation or engineering activities
Possess familiarity with specifications and drawings required to assemble and integrate telco transmission equipment into a Central Office environment
Have the ability to utilize hand tools required for the installation of transmission equipment, including crimpers, wire wrap guns, strippers, wrenches, hammers, drills, stencils, etc.
Bring Inventory and transport tools/materials as required to the job site
Act in a supervisory manner and provide guidance to lower-level installers on individual job progress, material shortages, customer complaints, and unsafe or inoperable tools
Possess familiarity with customer installation and quality standards, including IP72202
Provide for self-quality check of all portions of the job responsible prior to sign-off
Assemble, modify, install overhead ironwork, relay racks, transmission equipment, and cable ladder
Run power, signal, and ground cables to interconnect equipment
Cut and terminate single, multi-strand, and coax cable with power lugs, multi-pin connectors, and BNC connectors, stencil installed equipment, and terminations
Establish and maintain a professional rapport with customers, supervisors, and co-workers
Maintain and provide accurate departmental paperwork as requested
Know all safety and security requirements and follow them implicitly; Assist in maintaining a safe and hazard-free work area
Dress appropriately for the job environment
Be proficient in all phases of installation and testing of equipment to provide for progression in the business
Review installation specifications