Critical Operations Engineer ; Night); SV
Listed on 2026-09-11
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Engineering
Maintenance Technician / Mechanic, Systems Engineer, Electrical Engineering, HVAC Tech / Heating Engineer
Description
Core Site 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. Our people are at the heart of everything we do, bringing the expertise, ideas and commitment that power our business and help our customers succeed.
With a culture built on collaboration, ownership, and operational excellence, Core Site is a place to make an impact.
Core Site 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. Our people are at the heart of everything we do, bringing the expertise, ideas and commitment that power our business and help our customers succeed.
With a culture built on collaboration, ownership, and operational excellence, Core Site is a place to make an impact.
As a member of the Data Center Operations team, the Critical Operations Engineer I (COE I) is responsible for operating, monitoring, and maintaining critical data center electrical, mechanical, cooling, and fire/life safety systems to support reliable facility operations. COE I performs routine operational tasks, responds to alarms and abnormal conditions, supports customer infrastructure projects, and works closely with team members, vendors, and customers while developing technical knowledge and experience within a mission-critical environment.
The COE I follows established operational procedures, safety standards, and best practices while supporting day-to-day facility operations and continuous improvement efforts. The position also performs other duties and responsibilities as assigned.
- We are currently hiring for the Night Shift Tuesday-Saturday 11:00pm-7:30am
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 switch gear through UPS and customer load.
- Assist with maintenance activities involving generators, switch gear, 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.
Infrastructure:
- 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.
Required:
- 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.
- 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…
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