Who Should Take the CMCO Exam?

The Certified Mission Critical Operator (CMCO) certification is a vendor-neutral, industry-developed, and globally trusted program that serves as the starting point for professionals who operate, secure, and maintain data center systems.

Many roles within data center infrastructure would benefit from professionals achieving the CMCO certification to assist with the continuous maintenance of critical systems:

Data Center Technicians perform various functions to keep data center operations at optimum performance.  Tasks and responsibilities may include:

  • Working knowledge of cabling systems
  • Installation of patch panels
  • Troubleshooting repairs and performing equipment maintenance
  • Maintaining detailed documentation of the data center.

Mechanical and Electrical Engineers typically perform functions related to design, development, and maintenance.  Tasks and responsibilities may include:

  • Performing mechanical and electrical repairs
  • Maintenance and troubleshooting repairs of mechanical and electrical systems
  • Design and maintain emergency response systems
  • Oversee disposal and storage of hazardous waste

Vendors who provide data center support services typically assist with server, storage, software and networking equipment needs.  Tasks and responsibilities may include:

  • Cabling
  • Raised floor installation
  • UPS backup installation and maintenance
  • Generator installation and maintenance

Data center Infrastructure Designers plan, manage and automate the physical and virtual computing infrastructure of a data center.  Their tasks and responsibilities may include:

  • Design, update, and implement data center layouts
  • Install and de-install rack mountable computer equipment
  • Track equipment via tracking software
  • Maintain metrics of power and space utilization

Mission Critical Skills Tested & Verified

The Certified Mission Critical Operator (CMCO) certification exam is designed to validate your knowledge against data center operation best practices as determined by hundreds of mission critical subject matter experts.  The seven domains listed below are covered in the certification exam, so begin preparing by downloading your copy of the CMCO Candidate Handbook, today!

  • Mission Critical Infrastructure (21%)
  • Safety, Security & Emergency Response (14%)
  • Critical Production Space (14%)
  • Facility and System Documentation (12%)
  • Networking and Communications (5%)
  • Real-Time Information Management (17%)
  • Operations and Procedures (17%)

Get a free CMCO Candidate Handbook!

  • This field is for validation purposes and should be left unchanged.

CMCO Exam Details At-a-Glance

Wonder how many questions are on the Certified Mission Critical Operator (CMCO) certification exam and how you will be taking the test?  Find out with this snapshot of the CMCO exam requirements:

Exam Code


Type of Exam
  • Online through Pearson OnVUE
  • In-person at Pearson VUE testing centers



It is recommended that CMCO candidates have:

  • At least 1 year’s worth of education in a mission critical academic program


  • At least 1 year’s work experience in a mission critical environment
Number of Exam Questions


Type of Exam Questions

Multiple Choice

Maximum Test Time

150 Minutes

Certification Renewal

Good-For-Life (GFL)

Purchase Options

CMCO Training and Exam Preparation

Get ready for the Certified Mission Critical Operator (CMCO) certification exam with a training package that fits your learning style.  Choose from packages that offer self-guided, online resources, recommended study guides, and instructor-led, online and classroom-style courses through the Mission Critical Global Alliance (MCGA) authorized training provider network.


Select the tools and online training courses to prepare you for your exam.



Schedule a classroom-style training program with one of our authorized training partners.


CMCO Testing Information

The Certified Mission Critical Operator (CMCO) certification exam is administered by Pearson VUE. It can be taken through OnVUE, their remote online testing platform, or in person at more than 5,000 testing centers in North America, Europe and Asia. For insight into scheduling and sitting for your exam:

Learn About Testing Options


Schedule Your


Purchase a CMCO Certification Exam Voucher or Package

All exams require the purchase of a Certified Mission Critical Operator (CMCO) exam voucher to register for the exam. Mission Critical Global Alliance (MCGA) recommends choosing a training package or bundle to prepare you for the exam. All bundles include an exam voucher.

To purchase a voucher or package for yourself, someone else, or to make a bulk purchase, select the geographic location below where the exam will be taken.


Taking the exam in the U.S.?  Select one of these vouchers.



Taking the exam outside of the U.S.?  Choose your voucher here.


Purchasing for Someone Else?

Purchasing vouchers in bulk or for someone else?  Reach out to us.


Do You Have Questions About CMCO?

If you have questions about the CMCO certification, reach out to us and a member of the leadership team will contact you.

I Have a Question for MCGA!