Data Centers & Critical Facilities | Independent Commissioning Authority (CxA) | Forensic Engineering | Expert Witness
Toronto, Ontario
Mission Critical Engineers (MCE) is a Toronto-based independent commissioning authority (CxA) specializing in data centers and critical facilities. We are PEng-licensed and owner-side. On every commissioning engagement, we carry no design or construction stake — our only obligation is to the owner and the specification. Our work covers the full commissioning lifecycle — from factory acceptance testing and pre-functional checklists through functional performance testing and integrated system testing at full load. We commission the complete critical infrastructure stack: power distribution, standby generation, UPS and battery systems, liquid and air cooling, BMS and controls, fire suppression, and life safety. We work across all scales, from enterprise edge deployments to 500 MW+ AI hyperscale campuses. MCE also provides engineering design services for data centers and critical facilities — on projects where we hold no commissioning role. The two service lines are deliberately kept separate. That separation is not a limitation; it is the point. MCE operates its forensic engineering practice under the trade name Mission Critical Forensics. The practice serves insurers, legal counsel, and property owners across industries — investigating failures, losses, and incidents involving electrical and mechanical systems for insurance claim resolution, litigation support, and dispute resolution. Expert witness services are available for cases requiring qualified engineering testimony. Forensic engineering and expert witness services are featured on the Mission Critical Forensics showcase page — find it linked from our LinkedIn homepage. Based in Toronto. Working across Canada and internationally.
On-site · Regina
Support commissioning activities from factory and site acceptance testing through functional and integrated systems testing for mechanical systems at data centre and mission-critical project sites. Verify installations, take and document field measurements, coordinate with project stakeholders, track deficiencies, and assist with testing, troubleshooting, training, and turnover.
On-site · Regina
Support commissioning activities from factory and site acceptance testing through functional and integrated systems testing, with a focus on mechanical and critical cooling systems. Verify installations and system performance, document test results and deficiencies, coordinate with project stakeholders, and assist with turnover and owner training.
On-site · Toronto
Provide confidential executive and administrative support to the Principals and senior management, coordinating calendars, communications, meetings, and competing priorities. Coordinate proposals, contracts, project records, finance and HR administration, and follow-ups across the company’s engineering and forensic assignments.
On-site · Toronto
Provide confidential executive and administrative support to the Principals and senior management, coordinating schedules, communications, meetings, and business priorities. Support proposals, contracts, project administration, finance, HR, records management, and process improvement across the company’s engineering and forensic assignments.
On-site · Toronto
Lead commissioning delivery and project management for data centres and other mission-critical facilities, including L1–L5 testing of electrical, mechanical, controls, and life-safety systems. Coordinate stakeholders, schedules, change control, readiness, deficiencies, reporting, and operational handover while verifying system resilience and performance.
