Critical Operations Engineer II (Night) (VA3)

About CoreSite

CoreSite is a leading colocation data center company providing the space, power, cooling, and connectivity that businesses rely on to operate and grow. Our data centers bring dozens of organizations together under one roof, supporting the technology and services that keep our world connected.

Their people are at the heart of everything they do, bringing the expertise, ideas, and commitment that power their business and help their customers succeed. With a culture built on collaboration, ownership, and operational excellence, CoreSite is a place to make an impact.

Critical Operations Engineer II

As a member of the Data Center Operations team, the Critical Operations Engineer II (COE II) is responsible for operating, maintaining, and troubleshooting critical data center electrical, mechanical, cooling, and fire/life safety systems to ensure the highest levels of reliability and uptime.

• 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.
• Maintain and coordinate work on generators, switchgear, UPS, STS, ATS, PDUs, transformers, and power circuits.
• 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 technical guidance, mentorship, and on-the-job training to team members while promoting adherence to established operational procedures, safety standards, and best practices.
• Perform other duties and responsibilities as assigned.

What You’ll Do

Critical Facilities Operations:

• 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.
• Maintain and coordinate work on generators, switchgear, UPS, STS, ATS, PDUs, transformers, and power circuits.
• 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 technical guidance, mentorship, and on-the-job training to team members while promoting adherence to established operational procedures, safety standards, and best practices.
• Perform other duties and responsibilities as assigned.

Collaboration & Customer Support:

• Partner with senior technicians, contractors, and vendors on maintenance, upgrades, and expansions.
• Provide advanced remote hands, manage trouble tickets, incidents, and customer requests.
• Lead administrative activities across CMMS, ticketing, monitoring, and other operational platforms; maintain accurate documentation, provide timely updates, and coordinate with internal teams, vendors, and customers.
• Provide technical guidance and operational leadership to less experienced team members during routine operations, maintenance activities, and incident response.
• Contribute to procedures, documentation, and continuous improvement while promoting Operational Excellence.

Knowledge, Skills and Abilities

• Strong troubleshooting and problem-solving 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.
• Strong understanding of data center electrical and mechanical infrastructure.
• Advanced understanding of the interaction between electrical, mechanical, UPS, generator, and BAS/BMS systems and the ability to assess operational impacts across interconnected systems.
• 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.

Preferred Experience

• Electrical distribution systems including generators, switchgear, UPS, STS, ATS, PDUs, and transformers.
• Mechanical systems including chilled water, HVAC, CRAC/CRAH, humidification, pumps, VFDs, cooling towers, and heat exchangers.
• Fire protection systems including wet sprinkler and double-interlock pre-action systems.
• BMS, PLC controls, and integrated monitoring systems.
• Fiber and copper cabling installation, termination, and testing.
• Proficiency with fiber optics, structured cabling, and telecommunications infrastructure.
• Working knowledge of basic security systems, including access control, CCTV, and facility monitoring systems.

Education/Experience

• High School Diploma or greater.
• 2-5 years of experience in the data center industry.
• Proven hands-on experience with large commercial or industrial electrical and mechanical systems.
• Strong fit for candidates with experience in the military with HVAC or Electrical training.

Physical Demands

• Stand; walk, sit, use hands to handle or feel objects, reach with hands and arms, climb stairs, balance, stoop or kneel, talk, and hear.
• Occasionally lift and/or move up to 50 pounds.
• Work in a fast-paced, high-stress environment with changing priorities, including evenings, weekends, holidays, and on-call hours as needed.

Compensation

This role is eligible for a base salary between $43.28/hr and $51.18/hr, plus an annual bonus and equity, based upon individual and company performance.