Data Center Reliability Engineer II

CoreSite, LLC; Santa Clara (CA); On-site; USD 69,000 - 76,000; Full time

Benefits offered by this job

Medical coverage starting day one

401(k) with company match

Employee stock purchase plan (ESPP)

Starting PTO and holidays

Free parking or transit support

Job summary

CoreSite, LLC is seeking a Critical Operations Engineer II to operate, maintain, and troubleshoot mission-critical electrical, mechanical, and life safety systems in our Santa Clara data center. You will collaborate with technicians, vendors, and customers to drive operational excellence and resolve issues efficiently. This role offers a daytime shift and opportunities to mentor junior staff, while upholding safety standards and processes.

Qualifications

• 2–5 years of data center experience in electrical and mechanical systems.
• Strong troubleshooting and problem-solving skills.
• Commitment to safety and operational excellence.
• Ability to work in fast-paced, high-availability environments.

Responsibilities

• Operate, monitor, maintain, and troubleshoot critical electrical, mechanical, and life safety systems.
• Perform facility inspections and document findings.
• Track, trend, and analyze system performance using CMMS.
• Provide advanced remote hands and manage trouble tickets and incidents.
• Lead administrative activities across CMMS, ticketing, and monitoring.

Skills

Troubleshooting

Safety compliance

Teamwork

Communication

Data center knowledge

Education

High School Diploma or equivalent

Military HVAC/Electrical training

Tools

BMS

PLC controls

Structured cabling

Fiber testing

Job description

CoreSite, LLC is seeking a Critical Operations Engineer II to operate, maintain, and troubleshoot mission-critical electrical, mechanical, and life safety systems in our Santa Clara data center. You will collaborate with technicians, vendors, and customers to drive operational excellence and resolve issues efficiently. This role offers a daytime shift and opportunities to mentor junior staff, while upholding safety standards and processes.