(571) 555-0189 ◇ Ashburn, VA
cristian.balogh@example.com ◇ linkedin.com/in/cristian-balogh ◇ cristianbalogh.com
Data center operations engineer with 8 years in colocation and hyperscale facilities, currently the senior operations engineer for a 36-megawatt data center with 4 halls and 120 customer cages. Holds a 100% uptime record on critical power and cooling across 4 years, cut power usage effectiveness from 1.52 to 1.31, and led the commissioning of 2 new halls totalling 12 megawatts with 0 defects at handover. Runs the facility on procedures, drills, and data, so that the building never becomes the reason a customer had a bad day.
Coursework in Power Systems, Electrical Distribution, HVAC Fundamentals, and Controls.
Also holds electrical safety and arc flash certifications and completed a critical facilities commissioning course in 2022.
- Lead operations engineering for a 36-megawatt colocation data center with 4 halls and 120 customer cages, on a facilities team of 18.
- Hold a 100% uptime record on critical power and cooling across 4 years and passed 3 customer audits and 1 tier certification with 0 findings.
- Cut power usage effectiveness from 1.52 to 1.31 through containment, cooling setpoint optimisation, and economiser tuning, saving about $2.1M a year in energy.
- Operated critical infrastructure for an 18-megawatt data center across 2 halls with a 99.999% availability record over 3.5 years.
- Wrote 90 methods of procedure and 20 emergency operating procedures that cut procedure-related incidents to 0 in the final 2 years.
- Managed a preventive maintenance programme of 1,400 tasks a year with a 99% on-time completion rate.
- Audited 600 building management system alarm points during a 12-week internship and corrected 90 mislabelled or missing points.
- Built a generator fuel and run-hour tracker for 8 generators adopted by the operations team.
- Received a full-time offer at the end of the 12-week internship based on the alarm audit.
Power Usage Effectiveness Programme. Ran an 18-month efficiency programme across 4 halls with hot aisle containment on 600 racks, cooling setpoint increases validated with 200 temperature sensors, and economiser hour optimisation, which cut power usage effectiveness from 1.52 to 1.31 and saved about $2.1M a year with 0 thermal incidents.
Two-Hall Commissioning. Led the operations side of commissioning for 2 new halls totalling 12 megawatts, reviewing 400 test scripts, witnessing 5 levels of integrated systems testing, and closing 120 punch list items before handover, which delivered 0 defects at handover and first customer power 3 weeks ahead of schedule.
Emergency Operating Procedure Programme. Wrote 20 emergency operating procedures at a previous employer and ran a quarterly drill programme covering utility loss, cooling failure, and fire scenarios with 12 technicians, which cut average response time in drills from 9 minutes to 3 and produced 0 procedure-related incidents in 2 years.
- Member of a data center industry association chapter, presenting about once a year on efficiency programmes.
- Volunteer electrical safety instructor for a trades apprenticeship programme, teaching 4 sessions a year.
- Serve as a volunteer firefighter with a county department, about 200 hours a year.
- Lead a facilities engineering team of 18 across 3 shifts with procedure, drill, and maintenance ownership.
- Trained 25 technicians on critical systems operation and emergency procedures across 2 employers.
- Present availability, efficiency, and capacity metrics to the site director monthly and to customers during 3 audits a year.

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