Jane Street
Data Center Operations Engineer
Chicago · Full-time · Posted Sep 8, 2026
- Experience
- 5+ years; experience may be in mission-critical data centers, trading floors, or similar 24/7 facilities.
- Education
- Degree in a relevant engineering discipline or equivalent critical facilities experience.
About the job
Operates and maintains live mission-critical data center infrastructure in Chicago while supporting construction and commissioning of new data halls.
What you'll do
- Inspect, monitor, troubleshoot, and maintain facility power, cooling, controls, and direct liquid cooling systems; respond to alarms and incidents.
- Plan and coordinate maintenance, execute and improve operating procedures, and liaise with data center providers and on-site vendors.
- Support construction and commissioning of new data halls through site walks, drawing and script reviews, testing, and operational turnover.
What they ask for
- 5+ years of hands-on experience operating, maintaining, commissioning, or constructing mission-critical data centers, trading floors, or similar 24/7 facilities.
- In-depth MEP systems knowledge and understanding of data center electrical and cooling principles, including liquid cooling.
- Experience troubleshooting direct liquid cooling systems and using BMS and monitoring tools; experience writing, reviewing, and executing SOPs, EOPs, and MOPs.
- Available for nights, weekends, and an on-call rotation; able to lift up to 50 lbs.
Nice to have
- Construction and commissioning experience, including reviewing drawings and submittals and witnessing tests.
Tools
BMS, EPMS, CDUs, RDHx, CRAH/CRAC, UPSs, STSs, PDUs
Model-written summary · the original posting is authoritative