Lessons · Careers
Careers in AI data centers
The jobs that build and run AI data centers: what each one involves, what it takes, and where recognised training comes from. 8 role guides and 3 scenario drills, free.
This is a primer and a map, not a qualification. Safety and trade skills are learned with recognised training bodies, apprenticeships and employers, and requirements vary by employer and location.
Critical facilities technician
Keeps power and cooling running around the clock, and responds first when they do not.
What the work involves
- Walks the site on rounds, reading meters and checking alarms on UPS, switchgear, generators and cooling units.
- Carries out planned maintenance under written procedures, often at night or on shifts.
- Responds to alarms and incidents, follows the emergency procedures and escalates to specialists.
- Logs everything, because the next shift and the post-incident review depend on it.
What it takes
- How power flows from the utility to the rack, and how backup takes over.
- How cooling removes heat, and what a rising inlet temperature can mean.
- Following procedures exactly, and knowing when to stop and call for help.
- Calm, clear communication during an incident.
Where the training comes from
- OSHA Outreach 10-hour or 30-hour construction or general industry training (US Occupational Safety and Health Administration (authorised trainers)). Workplace safety basics most sites expect before you work on the floor.
- NFPA 70E electrical safety training (Training based on the National Fire Protection Association standard). Working safely around energised equipment: arc flash, lockout and protective gear.
- Data center operations courses (for example Accredited Operations Specialist) (Uptime Institute). How critical sites are run and maintained to stay available.
Data center electrician
Installs, tests and maintains the electrical path from the substation to the rack.
What the work involves
- Installs and terminates switchgear, busway, power distribution units and cabling during construction.
- Tests and maintains breakers, transformers and UPS systems with the site team and vendors.
- Works under lockout and tagout to make equipment safe before anyone touches it.
- Reads single-line diagrams to understand what feeds what.
What it takes
- Electrical theory and the national electrical code that applies where you work.
- Reading single-line and wiring diagrams.
- Safe work on and near energised equipment.
- Testing and measurement.
Where the training comes from
- Registered apprenticeship in the trade (US Department of Labor and local programs). Paid, supervised training that leads to a journeyman level in a trade.
- Journeyman or master electrician licence (The state or local licensing board where you work). Required to do electrical work in most US jurisdictions.
- NFPA 70E electrical safety training (Training based on the National Fire Protection Association standard). Working safely around energised equipment: arc flash, lockout and protective gear.
- OSHA Outreach 10-hour or 30-hour construction or general industry training (US Occupational Safety and Health Administration (authorised trainers)). Workplace safety basics most sites expect before you work on the floor.
Mechanical and cooling technician
Runs the chillers, pumps, air handlers and liquid cooling that carry the heat away.
What the work involves
- Maintains chillers, cooling towers, air handlers, pumps and cooling distribution units (CDUs).
- Watches temperatures, flows and pressures, and tunes the plant for efficiency.
- Inspects liquid cooling loops for leaks, water quality and filter condition.
- Works with the controls team when the cooling plant does not behave as expected.
What it takes
- Refrigeration, heat transfer and how air and liquid cooling differ.
- Pumps, valves and water treatment.
- Reading mechanical drawings and control sequences.
- Spotting a trend before it becomes an alarm.
Where the training comes from
- EPA Section 608 technician certification (US Environmental Protection Agency (approved testing organizations)). Required in the US to work with the refrigerants in cooling equipment.
- Registered apprenticeship in the trade (US Department of Labor and local programs). Paid, supervised training that leads to a journeyman level in a trade.
- OSHA Outreach 10-hour or 30-hour construction or general industry training (US Occupational Safety and Health Administration (authorised trainers)). Workplace safety basics most sites expect before you work on the floor.
Controls and monitoring specialist
Looks after the building management and power monitoring systems that watch everything.
What the work involves
- Configures and maintains the building management system (BMS) and electrical power monitoring system (EPMS).
- Sets alarm thresholds so real problems stand out and noise does not.
- Writes and tests control sequences for cooling and power changes.
- Pulls trend data to explain what happened during an incident.
What it takes
- Industrial networks and control protocols.
- How the mechanical and electrical systems behave, well enough to control them.
- Careful change management: a wrong setpoint can take a hall down.
- Data and trend analysis.
Where the training comes from
- Vendor training for the BMS and EPMS platforms in use (The system manufacturers). Each platform has its own courses; employers usually say which one.
- OSHA Outreach 10-hour or 30-hour construction or general industry training (US Occupational Safety and Health Administration (authorised trainers)). Workplace safety basics most sites expect before you work on the floor.
Network and fibre technician
Builds and keeps up the cabling and network fabric that let thousands of GPUs work as one.
What the work involves
- Installs, labels, tests and documents copper and fibre cabling.
- Cleans and inspects fibre connectors, since a dirty end face can stop a link.
- Replaces optics and cables, and traces faults between switches and servers.
- Works to strict change windows, because AI training jobs span many racks at once.
What it takes
- Fibre types, connectors, testing and cleaning.
- How leaf and spine networks connect GPU servers.
- Meticulous labelling and documentation.
- Working safely around live equipment and lasers.
Where the training comes from
- BICSI Installer and Technician credentials (BICSI). Structured cabling design and installation.
- Certified Fiber Optic Technician (CFOT) (The Fiber Optic Association). Fibre installation, testing and safety.
- OSHA Outreach 10-hour or 30-hour construction or general industry training (US Occupational Safety and Health Administration (authorised trainers)). Workplace safety basics most sites expect before you work on the floor.
Commissioning engineer
Proves, before go-live, that every system works the way the design says it should.
What the work involves
- Writes and runs test scripts for each system, then for all of them together.
- Simulates failures on purpose, such as pulling utility power, and checks that backup takes over as designed.
- Records issues and follows them until they are fixed and retested.
- Hands a documented, working site to the operations team.
What it takes
- Electrical and mechanical systems, and how they interact.
- Reading designs, sequences of operation and test procedures.
- Methodical testing and documentation.
- Firmness: a test that fails must be fixed, not explained away.
Where the training comes from
- Certified Commissioning Professional (CCP) (Building Commissioning Association). Commissioning process and practice for buildings.
- Data center design and operations courses (Uptime Institute). How availability is designed in and tested.
- NFPA 70E electrical safety training (Training based on the National Fire Protection Association standard). Working safely around energised equipment: arc flash, lockout and protective gear.
Construction project and program manager
Gets the building, the power and the equipment to arrive in the right order, on time.
What the work involves
- Builds and tracks the schedule from design to opening day.
- Orders long-lead equipment early, and follows suppliers closely.
- Coordinates contractors, vendors, the utility and the client.
- Spots risks to the critical path and decides what to do about them.
What it takes
- Scheduling and the critical path.
- Contracts, procurement and supplier management.
- Enough engineering to ask the right questions.
- Clear, honest status reporting.
Where the training comes from
- Project Management Professional (PMP) or PMI Agile Certified Practitioner (PMI-ACP) (Project Management Institute). Recognised project management practice.
- OSHA Outreach 10-hour or 30-hour construction or general industry training (US Occupational Safety and Health Administration (authorised trainers)). Workplace safety basics most sites expect before you work on the floor.
Energy and grid interconnection specialist
Secures the power: where it comes from, what it costs, and how fast the grid can connect.
What the work involves
- Works with utilities and grid operators on interconnection requests and studies.
- Compares sites by electricity price, carbon intensity and how long the queue takes.
- Models energy use and cost, and looks at on-site generation and storage.
- Tracks the energy contracts and the carbon reporting that follow.
What it takes
- How the grid and electricity markets work.
- Energy and cost modelling.
- Reading utility tariffs and interconnection rules.
- Explaining trade-offs to people who are not engineers.
Where the training comes from
- Professional Engineer (PE) licence, for engineering roles (State licensing boards, with exams from NCEES). Needed to sign off engineering work in the US.
- Courses on electricity markets and interconnection (Grid operators, utilities and universities). Many publish their own training on how to connect to their system.