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Certified Mission Critical Operator (CMCO)

Certified Mission Critical Operator (CMCO)

The Mission Critical Operator certification program (CMCO), administered by Mission Critical Global Alliance (MCGA), was developed by data center experts to ensure certified individuals met industry standards for the operator job role. The CMCO designation provides hiring managers the knowledge that the successful candidate is able to perform entry-level operational tasks within a mission critical environment.

Get certified from your home or office

Take your CMCO exam conveniently from home through OnVUE online proctoring. A live proctor will monitor you through the webcam on your workstation to provide a secure exam experience.

Watch the short video on the CMCO online proctoring page to see how convenient it is to test from home or work. Be sure to run the system test before you sign in to register for an online proctored exam. Good luck!

Eligibility Requirements

The CMCO is open to anyone interested in becoming a certified mission critical operator.

CMCO Registration Process

Individuals interested in taking the assessment must register for the program online at Individuals will be required to complete a short demographic survey and review the CMCO Terms and Conditions. To purchase a CMCO testing voucher, please visit

Prepare for the CMCO Assessment

The CMCO assessment blueprint is included in the CMCO candidate handbook. The assessment blueprint details the seven topic areas individuals should focus on when preparing for the CMCO assessment.

The Day of the Assessment

Please be prepared to show two forms of original (no photo copies), valid (unexpired) IDs; one form as a primary ID (government issued with name, recent recognizable photo, and signature. Examples include: Passport or Driver’s License) and one form as a secondary ID (with at least a name and signature, or name and recent recognizable photo).

Last updated 2020-09-23