Because the job blends skills from several different trades, a single day might include adjusting a piece of equipment with hand tools, diagnosing why a machine isn't running right, and repairing a section of flooring or a staircase. Workers also install and align new equipment, and sometimes design simple fixtures to make future repairs easier. Since problems can crop up anywhere in a building, from HVAC systems to plumbing to structural repairs, workers often move between very different kinds of tasks in the same shift, frequently outdoors and exposed to the weather.
Pros
Very large job market with nearly 160,000 positions nationwide, among the most abundant skilled trades
Faster than average projected job growth (3.8% over the next decade)
Broad, varied skill set spanning carpentry, electrical, plumbing, and mechanical repair
Cons
Above-average hours, often exceeding a standard 40-hour work week
Exposure to heights, hazardous equipment, and outdoor weather conditions on the job
Pay ceiling is modest relative to more specialized single-trade careers, topping out under $78k
A typical day
The work order queue at 7am reads like a building's diary: a leaking faucet in suite 210, a ballast out in the parking garage, a door closer slamming too hard, and a conference room thermostat feud. The general maintenance worker is the building's general practitioner — the morning clears the list with a cart stocked from experience: washers and cartridges, ballasts and lamps, a hex key set that never leaves the pocket. Midday brings preventive rounds — belts checked on air handlers, exit lights tested, filters changed on schedule because the boring rounds prevent the exciting failures. The afternoon's challenge call: a tripping breaker traced to an overloaded circuit someone quietly extension-corded into existence, corrected and documented, with the electrician called for the panel work beyond the license line. A snow forecast means salt gets staged by the doors before the drive home. Every trade is used a little; judgment is used constantly.
Tasks at the job
Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.
Design new equipment to aid in the repair or maintenance of machines, mechanical equipment, or building structures.
Fabricate or repair counters, benches, partitions, or other wooden structures, such as sheds or outbuildings.
Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
Align and balance new equipment after installation.
Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.
Workplace & working conditions
Work happens primarily outdoors, exposed to whatever the weather is doing, and most of the day is spent on your feet. Noise levels can be distracting or uncomfortable. The role involves regular exposure to hazardous equipment or conditions and contaminants and working at heights, and standard protective equipment (gloves, safety glasses, and similar) is expected.
There's a regular, moderate amount of time pressure, and you're expected to exercise significant independent judgment day to day. The work is highly structured, following set procedures. You'll regularly deal with frustrated or upset people as part of the job.
Education necessary or common
Vocational training, apprenticeship, or associate's degree
Licenses & certifications
EPA 608 (refrigerant) — the highest-value add-on for building maintenance
OSHA 10-Hour General Industry
Boiler operator or pool operator (CPO) licenses where applicable — each one raises pay
HVAC or electrical certificates for specialization