Back to jobs
This job is no longer accepting applications. Similar open roles are shown on this page.
Apply on Employer SiteApply Now
JanestreetPosted Sep 8, 2026
Data Center Operations Engineer
Chicagofull timeOn SitemidH1B: no
Janestreet Data Center Operations Engineer operates and maintains mission-critical data center infrastructure including power, cooling, and monitoring systems. The role supports live data centers and new construction commissioning on a large campus.
Responsibilities
- Operate and maintain live data center environments including equipment inspections and alarm response
- Troubleshoot cooling, power, controls, and monitoring issues at cabinet, pod, and facility levels
- Support and maintain CDUs, RDHx units, and direct liquid cooling infrastructure
- Monitor operations through BMS and other tools, investigate abnormal conditions, and escalate issues
- Review, execute, and improve SOPs, EOPs, and MOPs
- Plan and coordinate preventative and reactive maintenance
- Supervise critical work and confirm equipment return to service
- Act as primary liaison with data center provider and coordinate vendors
- Support construction and commissioning activities for new data halls
Qualification
Experienced with writingAble to perform physical work
Required
- Have 5+ years of hands-on experience operating, maintaining, commissioning, or constructing mission-critical data centers, trading floors, or similar 24/7 facilities
- Have in-depth knowledge of MEP systems such as switchgear, UPSs, generators, STSs, PDUs, RPPs, chillers, CDUs, CRAH/CRAC units, pumps, fire protection systems, and BMS/EPMS
- Have a strong understanding of data center cooling and electrical principles, including redundancy topologies, containment, airflow management, and liquid cooling
- Experienced with maintaining and troubleshooting direct liquid cooling systems, including CDUs, RDHx units, valves, hoses, filters, and associated controls
- Comfortable using BMS and monitoring tools to investigate alarms, identify trends, and diagnose equipment or system problems
Company
Janestreet
View company pageSource: greenhouse
Active within the past hour