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Critical Operations Engineer II (Day) (DE1)

CoreSite · Denver, CO · 2 wk ago
Engineering$38–$43/hrFull-time

About Coresite

Coresite empowers a more connected future through high-performance data centers and interconnection solutions. Recognized as a trusted partner in digital transformation, our strategically located facilities and innovative services enable businesses to connect, collaborate, and grow in an ever-evolving technological landscape. Our culture is defined by operational excellence and a relentless drive for innovation. We foster a collaborative, inclusive environment where every team member is valued, wins are celebrated as a team, and ownership is part of our DNA. At CoreSite, we're not just building state-of-the-art infrastructure—we're creating a community of forward-thinkers committed to solving complex challenges and delivering exceptional customer experiences.

Critical Operations Engineer II Role

  • 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.

  • 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.

  • Collaborate with senior technicians, contractors, and vendors on maintenance, upgrades, and expansions.

  • Manage trouble tickets, incidents, and customer requests.

  • 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.

We are currently hiring for the Day Shift 7:00am - 3:30pm Tuesday-Saturday.

Required 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.

  • 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.

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