NFPA 70E (electrical safety in the workplace)
The consensus standard for electrical safety work practices: energized-work justification, approach boundaries, arc-flash risk assessment, PPE categories, and establishing an electrically safe work condition. Employers usually ask for current 70E training, not a single "certificate."
- Who issues it
- National Fire Protection Association (NFPA) publishes the standard; training comes from many providers. Issuer site
- Roles that ask for it
- Critical electricians, UPS / switchgear techs, Critical facilities technicians
- Required or preferred
- Commonly required for anyone who works on or near energized electrical equipment.
OSHA 10 / OSHA 30
10-hour and 30-hour Outreach Training Program courses covering jobsite hazard recognition. OSHA 30 is aimed at supervisors and people with safety responsibility.
- Who issues it
- Delivered by OSHA-authorized Outreach trainers; completion cards are issued through the program. Issuer site
- Roles that ask for it
- All data center facilities roles, Construction and commissioning teams
- Required or preferred
- Often preferred for operations roles; frequently required on construction and commissioning sites.
EPA Section 608 (Type I, II, III, Universal)
Federal technician certification required to maintain, service, repair, or dispose of equipment that could release refrigerants. Type II covers high-pressure systems and Type III low-pressure systems such as many chillers; Universal covers all three types.
- Who issues it
- U.S. Environmental Protection Agency, through EPA-approved certifying organizations. Issuer site
- Roles that ask for it
- Critical HVAC / CRAC / CRAH techs, Chiller technicians, Critical facilities technicians
- Required or preferred
- Required by law for refrigerant work; Universal is the version most mechanical postings list.
CDCP / CDCS / CDCE (EPI data centre certifications)
A tiered professional track: Certified Data Centre Professional (CDCP), Certified Data Centre Specialist (CDCS), and Certified Data Centre Expert (CDCE). They cover data center design, power, cooling, and operations concepts.
- Who issues it
- EPI (Enterprise Products Integration). Issuer site
- Roles that ask for it
- Critical facilities engineers, Operations managers, Career changers into data centers
- Required or preferred
- Preferred, rarely required. Useful for people coming from other industries.
CDFOM (Certified Data Centre Facilities Operations Manager)
An EPI course aimed at people who run data center facilities operations: maintenance strategy, operational risk, staffing, and processes.
- Who issues it
- EPI (Enterprise Products Integration). Issuer site
- Roles that ask for it
- Critical facilities managers, Site operations managers, Chief engineers
- Required or preferred
- Preferred for management roles.
Uptime Institute ATD / ATS / AOS
Accredited Tier Designer (ATD), Accredited Tier Specialist (ATS), and Accredited Operations Specialist (AOS) credentials tied to the Uptime Institute Tier Standard and operational-sustainability concepts.
- Who issues it
- Uptime Institute. Issuer site
- Roles that ask for it
- Design and engineering roles (ATD), Operations leaders (AOS, ATS)
- Required or preferred
- Preferred. ATD is mostly seen on design-side roles; AOS on operations roles.
BICSI (RCDD, Installer, Technician)
Credentials for information and communications technology (ICT) cabling and infrastructure design and installation, including the Registered Communications Distribution Designer (RCDD).
- Who issues it
- BICSI. Issuer site
- Roles that ask for it
- Structured cabling and low-voltage techs, ICT infrastructure designers
- Required or preferred
- Preferred for cabling and network infrastructure work; less common on mechanical or electrical operations roles.
NETA ETT Level I–IV
Electrical testing technician certification levels used by acceptance and maintenance testing firms: switchgear, breakers, relays, transformers, and protective devices.
- Who issues it
- InterNational Electrical Testing Association (NETA). Issuer site
- Roles that ask for it
- Electrical commissioning, Switchgear / medium-voltage techs, Electrical testing techs
- Required or preferred
- Often required on testing and commissioning teams; preferred on operations teams.
Journeyman / master electrician license
A state or local license to perform electrical work. Requirements, reciprocity, and whether a license is needed for operations (versus construction) work vary by state and jurisdiction.
- Who issues it
- State or local licensing boards. Issuer site
- Roles that ask for it
- Critical electricians, Electrical leads
- Required or preferred
- Commonly required for electrician titles; check the state where the site is.
CompTIA A+ / Server+
Vendor-neutral IT hardware credentials. Server+ focuses on server hardware, storage, and troubleshooting.
- Who issues it
- CompTIA. Issuer site
- Roles that ask for it
- Data center technicians (IT / hardware side), Smart hands / remote hands roles
- Required or preferred
- Preferred for IT-side technician roles; not usually asked of facilities roles.
Lockout/tagout (LOTO) and arc-flash training
Training on controlling hazardous energy before servicing equipment, and on arc-flash hazards and PPE. LOTO is required by OSHA standard 29 CFR 1910.147 for covered work.
- Who issues it
- OSHA sets the rule; employers and training providers deliver the training. Issuer site
- Roles that ask for it
- All hands-on facilities roles
- Required or preferred
- Expected. Most employers train on their own LOTO program at onboarding.
MOP / SOP / EOP (concept)
Method of Procedure (a step-by-step plan for a specific change or maintenance event), Standard Operating Procedure (routine tasks), and Emergency Operating Procedure (what to do when something fails). Writing and following them is a core data center skill.
- Who issues it
- Not a certification. Each operator writes its own. Issuer site
- Roles that ask for it
- Every operations role
- Required or preferred
- Experience is commonly required for critical facilities titles.
Tier I–IV (concept)
The Uptime Institute Tier Classification System describes infrastructure topology from basic capacity (Tier I) through concurrently maintainable (Tier III) and fault tolerant (Tier IV). Postings use it as shorthand for how much redundancy the site has.
- Who issues it
- Uptime Institute. Issuer site
- Roles that ask for it
- Every operations role
- Required or preferred
- Knowledge is preferred; no certificate needed to work at a tiered site.
Descriptions summarize each issuer’s public information and common posting language. They are not legal or licensing advice; requirements vary by employer and state.
