Data Center Critical Operations Engineer I

CoreSite, LLC; Reston (VA); On-site; USD 59,000 - 69,000; Full time

Benefits offered by this job

Medical coverage starting day one

401(k) with company match

Employee Stock Purchase Plan (ESPP)

PTO and holidays

Job summary

CoreSite is seeking a Critical Operations Engineer I in Reston, VA to operate, monitor and maintain critical data center systems. You will respond to alarms, run routine tasks, and collaborate with vendors and customers to ensure uptime.

The role supports electrical, mechanical, and life-safety infrastructures in a mission-critical environment with a focus on safety and operational excellence. You will work Tuesday–Saturday 2:00pm–10:00pm, perform hands-on maintenance, and contribute to

Qualifications

• Strong troubleshooting and problem-soning skills with the ability to apply technical knowledge effectively
• Self-motivated, dependable, and accountable with a strong work ethic
• Team-oriented mindset with the ability to collaborate across operations, engineering, and customer teams
• Commitment to safety, quality, and operational excellence
• Ability to work in a fast-paced, high-availability environment
• Clear written and verbal communication skills
• Working knowledge of data center electrical, mechanical, and BAS/BMS infrastructure and systems
• Strong understanding of data center electrical and mechanical infrastructure
• Working knowledge of NEC, NFPA 70E, NFPA 72, NFPA 25, OSHA, and fire life safety requirements
• Comfortable using hand tools, electrical test equipment, and standard computer applications

Responsibilities

• Operate, monitor, maintain, and troubleshoot mission-critical electrical, mechanical, and life safety systems to ensure uptime and reliability
• Perform facility inspections, respond to abnormal conditions, and document findings
• Track, trend, and analyze system performance; utilize CMMS to manage work orders and maintenance
• Support electrical distribution from utility and generator switchgear through UPS and customer load
• Assist with maintenance activities involving generators, switchgear, UPS, STS, ATS, PDUs, transformers, and power circuits
• Perform customer power adds, disconnects, and related infrastructure support activities Mechanical Systems
• Operate and maintain chilled water, HVAC, CRAC/CRAH, humidification, and central plant systems
• Support cooling optimization, pumps, VFDs, cooling towers, heat exchangers, and water treatment.
• Monitor wet sprinkler and double-interlock pre-action systems and associated detection devices
• Support customer infrastructure projects including cage builds, rack and stack, overhead installs, power, and cabling
• Partner with senior technicians, contractors, and vendors on maintenance, upgrades, and expansions
• Provide advanced remote hands, manage trouble tickets, incidents, and customer requests
• Support administrative and communication activities across CMMS, ticketing, monitoring, and other operational platforms; maintain accurate documentation and provide timely updates to stakeholders
• Contribute to procedures, documentation, and continuous improvement while promoting Operational Excellence

Job description

CoreSite is seeking a Critical Operations Engineer I in Reston, VA to operate, monitor and maintain critical data center systems. You will respond to alarms, run routine tasks, and collaborate with vendors and customers to ensure uptime.

The role supports electrical, mechanical, and life-safety infrastructures in a mission-critical environment with a focus on safety and operational excellence. You will work Tuesday–Saturday 2:00pm–10:00pm, perform hands-on maintenance, and contribute to