Relay. This item is unavailable.Relay

Twenty-three thousand people hold this job.
The grid cannot run without them.

Substation protection and control technicians — relay techs — test and maintain the devices that keep the power system from destroying itself. About 23,400 people do it, the journeyman-level median is $103,020 (BLS OES series 49-2095, May 2025 — not entry pay; apprentices start far lower), and there is no degree gate.

Two facts make this seat unusual. First, scarcity: roughly 2,000 openings a year nationally, replacement seats included — utilities publish their own recruitment brochures for it because they cannot fill it. Second, the work is legally non-discretionary: NERC standard PRC-005 requires a documented protection-system maintenance program, which means relay maintenance happens in every rate case, every budget cycle, every year.

This is a career-path book, not exam prep — the aptitude-test books already exist and this is not one of them. It maps who crosses over (E&I technicians, military electronics ratings, NETA field techs, plant electricians), how utility hiring actually screens (aptitude batteries vary by employer — verify which one yours uses), what the apprenticeship years pay and teach, and the ladder from field tech toward P&C specialist.

It is honest about the constraints: the seat is scarce and geographically bound to where utilities are, an apprenticeship takes years, and union hiring-hall rules vary. Those are reasons to run the application game well, not reasons to stay away.

Licensing is signposted throughout — in most US utility contexts this is not a state-licensed occupation, but employer qualification programs, background checks and per-utility aptitude policies govern entry. An Australian appendix is built from scratch around state and territory electrical licensing and AS 2067.

Scarce seats reward the people who understand how they're filled.