Data center electrician jobs have become some of the most talked-about work in the trade. Contractors are recruiting travelers, apprentices are being placed on hyperscale sites, and the BLS has started naming data centers in its electrician outlook. This article covers what the work actually is, what skills these jobs require, and what the federal numbers say about how long the demand may last.
Why demand for data center electricians is surging
The clearest numbers come from a December 2024 report funded by the Department of Energy and produced by Lawrence Berkeley National Laboratory:
| Year | U.S. data center electricity use | Share of U.S. electricity |
|---|---|---|
| 2014 | 58 TWh | — |
| 2018 | about 76 TWh | 1.9% |
| 2023 | 176 TWh | 4.4% |
| 2028 (projected) | 325 to 580 TWh | 6.7% to 12% |
The full LBNL report says the main cause is GPU-accelerated servers used for AI, which helped data center energy use more than double between 2017 and 2023. It estimates that the 2028 range equals about 74 to 132 gigawatts of power demand at 50% utilization.
For electricians, every one of those megawatts means work. New utility services, substations, medium-voltage distribution, switchgear, backup generation and miles of busway and feeders all have to be built and then maintained.
The BLS has noticed. Its electrician outlook now points to growing use of AI and demand for data centers as a source of new work. It projects 9% employment growth from 2025 to 2035, much faster than the average for all occupations, with about 72,700 openings a year.
What data center electricians actually build
A data center is a building designed so that the computers inside never lose power or cooling. That is why the electrical work there looks different from an office or warehouse job.
The power path
Power usually follows a chain like this. Utility service feeds medium-voltage switchgear and transformers. Those feed low-voltage switchboards. Then come uninterruptible power supply (UPS) systems with batteries, followed by power distribution units and busway or overhead distribution to the racks. Standby generators and automatic transfer switches take over if the utility fails. Mechanical cooling equipment (chillers, pumps, air handlers and, more and more, liquid cooling) has its own large electrical loads.
Redundancy is the whole point
The Uptime Institute's tier system is a useful way to understand the design. At Tier I, there is a UPS and a generator, but maintenance means shutting down. Tier II adds redundant components. Tier III adds redundant distribution paths, so any part can be taken offline for service without affecting the IT load. Tier IV uses multiple independent, physically separated systems so that a single failure does not affect operations at all.
In practice, you may build the same lineup twice, label everything with extreme care, and land feeders that must match drawings exactly. Mistakes are expensive because the entire design depends on knowing which path feeds what.
Commissioning
Near the end of a project, data centers go through a lot of testing. Load banks are brought in, transfer switches are cycled, generators are run under load, and failure scenarios are simulated before any servers are turned on. Electricians who can follow a test script, read one-line diagrams and keep calm during a planned outage are valued during this phase.
Construction electrician or critical-facilities electrician?
Data center work offers two different jobs:
| Construction (build) side | Critical-facilities (operations) side | |
|---|---|---|
| Employer | Electrical contractor or union local dispatch | Data center owner, operator or facilities-services firm |
| Work | Conduit, cable tray, feeders, terminations, switchgear setting, busway, commissioning support | Preventive maintenance, switching procedures, UPS and generator testing, responding to alarms |
| Schedule | Long hours on fast-track jobs; work ends when the building is done | Shift work, often 24/7 coverage with on-call rotations |
| Travel | Often required, since sites cluster where power and land are available | Local to one campus |
| Best fit | Apprentices and journeymen who want hours and overtime | Experienced electricians who want steady work and are disciplined about procedures |
The build side is where most of the hiring happens right now. The operations side lasts longer: each building that is finished needs people to keep it running for years. If you are deciding whether to follow the work, our comparison of local shops and traveling crews lays out what that lifestyle costs and pays.
Skills that get you hired on a data center job
- Reading one-line diagrams. You need to trace a load back through PDU, UPS, switchboard and utility or generator without hesitation.
- Large-feeder work. Pulling parallel sets, terminating big lugs to torque specs, and keeping phase and source labeling exactly right.
- Cable tray and busway. Overhead distribution is everywhere in white space, and installing it neatly is a real skill.
- Safety-related work practices. Energized and near-energized work in an occupied facility is tightly controlled. Experience with lockout/tagout and arc-flash procedures matters more here than on most jobs.
- Documentation habits. Torque logs, test sheets and as-built markups are part of the job, not optional paperwork.
- Low voltage and controls awareness. Building management, power monitoring and fire alarm systems all connect to the electrical system. Knowing how they connect makes you useful during commissioning. See our low voltage vs. electrician comparison for how that side of the trade works.
What data center electricians earn
The BLS does not publish a separate wage for data center electricians, and we will not make one up. What the federal data shows:
- The national median electrician wage was $63,190 ($30.38 an hour) in May 2025, and the top 10% earned more than $108,510.
- Industry has a big effect on pay. The BLS lists a $61,570 median at electrical contractors, $74,550 in manufacturing and $79,820 in government.
- The BLS also notes that overtime is common in the trade, and evening and weekend work happens.
On fast-track data center builds, overtime and per diem often make a bigger difference to take-home pay than the base rate. Before you take a traveling job, get the hours, per diem and rate in writing. Our guide to overtime and per diem explains how to compare offers.
How to get on a data center job
- Find out who is building near you. Large campuses are announced through local zoning and utility filings long before electrical work starts. The electrical contractors on those projects, and the union local that covers the area, are where hiring happens.
- If you are an apprentice, tell your coordinator or employer. These sites need many apprentices, and asking for an assignment is often the fastest way on.
- If you are a journeyman, put your large-power experience at the top of your resume. List switchgear setting, parallel feeder pulls, generator and ATS work, and any commissioning experience. Be specific about voltages and equipment. Our resume and interview guide shows how.
- Get your safety cards current. Expect site-specific orientation, drug screening and strict PPE rules. Showing up with current safety training makes onboarding easier.
- Ask about the operations side before the build ends. Owners and facilities-services firms often hire from the electricians they got to know during commissioning.
Will the boom last?
No one can promise that, and the LBNL range is wide. The high end of its 2028 projection is nearly twice the low end. The report says the outcome depends on things like GPU shipments, how heavily AI hardware is used and how sites are cooled. Treat the build side like any construction boom: make good money while it lasts and build skills that carry over.
Here is the good news. The skills that matter most on a data center job, including medium-voltage awareness, switchgear, generators, UPS systems and disciplined switching, are the same ones hospitals, utilities, manufacturing plants and large battery and solar sites need. A few years on hyperscale jobs will still help your career even if the demand for data center construction cools.
The bottom line
Data center electrician jobs are real, well documented and backed by federal energy data, not just hype. The build side offers hours, overtime and experience with large power systems, but often requires travel. The operations side offers stability for electricians who like procedures. If you are an apprentice or new journeyman, a data center job is one of the fastest ways to get serious experience with switchgear and redundant power. Get those skills, keep good records of your hours, and you will be employable well after this round of construction ends.