Critical Operations Engineer II: Data Center Reliability

CoreSite, LLC; Denver (CO); On-site; USD 108,886,000 - 123,213,000; Full time

Benefits offered by this job

Medical coverage

Dental & Vision

401(k) with match

Employee stock purchase plan (ESPP)

PTO & holidays

Wellness reimbursements

Tech stipend

Educational reimbursement

Charitable donation matching

LinkedIn Learning access

Job summary

CoreSite, LLC, a leading colocation data center provider, seeks an experienced Critical Operations Engineer II to manage and optimize critical facility systems. You will work on electrical, mechanical, cooling, and life-safety platforms, ensuring high uptime and reliability for customer infrastructure.

You will mentor teammates, coordinate with contractors and vendors, and contribute to continuous improvement while following safety and operational standards.

Qualifications

• Strong troubleshooting and problem‑solving skills; apply technical knowledge.
• Commitment to safety, quality, and operational excellence.
• Able to work in fast‑paced, high‑availability environment.
• Clear written and verbal communication skills.
• Advanced understanding of electrical, mechanical, UPS, generator and BAS/BMS interdependencies.

Responsibilities

• Operate, monitor, maintain, and troubleshoot critical electrical, mechanical, and life safety systems to ensure uptime.
• Perform facility inspections, respond to abnormal conditions, document findings.
• Track, trend, and analyze system performance; manage work orders and maintenance in CMMS.
• Provide remote hands, manage trouble tickets and customer requests.
• Lead documentation and improve procedures for operational excellence.

Skills

Troubleshooting

Safety

Team collaboration

Data center knowledge

Electrical systems

Mechanical systems

Documentation

Operator training

Education

High School Diploma or greater

Tools

BMS

PLC controls

Monitoring systems

Job description

CoreSite, LLC, a leading colocation data center provider, seeks an experienced Critical Operations Engineer II to manage and optimize critical facility systems. You will work on electrical, mechanical, cooling, and life-safety platforms, ensuring high uptime and reliability for customer infrastructure.

You will mentor teammates, coordinate with contractors and vendors, and contribute to continuous improvement while following safety and operational standards.