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Critical Operations Engineer II (Night) (DE3)

CoreSite
Denver, CO Full Time
POSTED ON 8/1/2026
AVAILABLE BEFORE 12/1/2026

Location: Denver, CO, United States

Salary Range: $34.50 - $40.00

Work Schedule: 5x8

Shift: 3

Shift Start Day: Tuesday

Shift End Day: Saturday



Critical Operations Engineer II Rol

eThe Critical Operations Engineer II must possess an expert level of knowledge and will be responsible for the operational integrity and regulatory compliance of the data center electrical, mechanical, fire life safety systems, and communications infrastructure

.We are currently hiring for the Night Shift Tuesday - Saturday 10:00pm-6:30a

mRelocation assistance and sign-on bonuses available for qualifying candidates


.
Mechanical responsibilities will include chilled water systems and components, HVAC systems such as roof top units, CRAC/CRAH units, and humidification system

s.Electrical responsibilities will include electrical/critical power distribution from the Utility/Generator main switchgear through the UPS systems out to the customer loa

d.Fire Life Safety responsibilities will include wet sprinkler systems and pre-action sprinkler systems as well as their associated detection device

s.Communications Infrastructure responsibilities will include IFD / MDF / MMR management, structured cabling and supporting infrastructure ownership, and customer space managemen

t.This position will also be directly responsible for the processes that maximize customer uptime in the most cost-effective way by working very closely with the Data Center Manage


r.
Dut

ies• Data center subject matter expert for electrical, mechanical, controls, and fire life safety syste

ms.• Operate, monitor, maintain, and respond to abnormal conditions in facilities syste

ms.• Tracking and trending operational characteristi

cs.• Mentoring of junior sta

ff.• Work with the site Data Center Manager to track and complete an aggressive preventive and predicative maintenance schedu

le.• Determine maintenance requirements for mechanical and electrical syste

ms.• Ensure data center operates at maximum operational efficien

cy.• Manage systems to avoid unplanned, customer-impacting outag

es.• Manage the data floor and back of house mechanical loading capaci

ty.• Provide applied mechanical and integrated control expertise for the entire data cent

er.• Work as a primary knowledge expert in regard to fire and electrical cod

es.• Serve in a technical writing capacity for preventative or corrective maintenance activiti

es.• Assist with database management of maintenance discrepanci

es.• Trouble Ticket Manageme

nt.• Work Order Completion Proce

ss.• Infrastructure projects (Internal/Custome

r).• Cage Build-Ou

ts.• Overhead Installatio

ns.• Rack and Sta

ck.• Navigate and utilize a CMMS syst

em.• Use developed procedures to solve proble

ms.• Assist in asset and consumable inventory manageme

nt.• Responsible for the tracking and proper labeling of all equipment per established procedur

es.• Ensure processes are completed in a timely manner pertaining to Service Level Agreements (SL

A).• Provide physical security within the CoreSite premis

es.• Provide day-to-day exceptional customer service and suppo

rt.• Incident escalation and report writi

ng.• Monitor the building fire alarm syst

em.• Maintain and complete regular facility and security tou

rs.• Adhere to and promote CoreSite’s Principles of Operational Excellence, culture, and 8 Guiding Principl


es.
Requirem

entsKnowl

edge• Expert understanding of electrical and mechanical systems used in a facility and data center environment including electrical distribution and layout, Transformers, PLC’s, Generators, Switchgear, UPS systems, STS’, ATS’, PDU’s, Chilled Water Systems, CRAC/CRAH’s, and Pre-Action Sprinkler Syst

ems.• Expert knowledge of NEC, NFPA 70E, NFPA 72, NFPA 25, compliance issues, and building codes related to fire life saf

ety.• Expert knowledge of fiber optics / cabling infrastructure and industry best practi

ces.• Expert knowledge in industrial safety best practi

ces.• Expert knowledge and experience with data trending, tracking, and analy


sis.
S

kills• Minimum of 5-7 years of experience installing, maintaining, and/or troubleshooting large commercial and industrial systems including Chilled Water Systems, Large Centrifugal Chillers, Cooling Towers, Heat Exchangers, Water Treatment Systems, VFD’s and Pumps, HVAC equipment, CRAC/CRAH’s, Humidification Systems, BMS and PLC Controls, Emergency Standby Diesel Generator Systems, Fuel/Oil systems, electrical generation and distribution, Static UPS Systems, and Double Interlock Pre-Action Sys

tems.• Proven leadership sk

ills.• Proven expertise laying out, pulling, dressing, and terminating fiber and copper communications cab

ling.• Experience diagnosing and repairing IT hardware, servers, network switches, and structured cab

ling.• Excellent communication skills, both written and oral including Microsoft S

uite.Abil

ities• Ability to communicate effectively with customers and internal s

taff.• Ability to coordinate, supervise and communicate with contrac

tors.• Ability to learn quickly and address issues as they a

rise.• Ability to operate in and promote a rigorous process-driven team environ

ment.• Ability to logically analyze and solve prob

lems.• Ability to effectively multi-task multiple proj

ects.• Operate hand and machine t

ools.• Operate electrical tools such as a multi-meter or infrared ca

mera.Education/Exper

ience• Bachelor’s degree in Mechanical or Electrical Engineering or equivalent time in

rate.• 5 or more years in a mechanical/electrical position within critical facili

ties.• Be able to pass an extensive background c


heck.
Compen

sationCompensation for this role includes a base salary between $38.00/hr and $43.00/hr. This role is also eligible for an annual bonus and equity, based upon individual and company perfor


mance.

Salary : $35 - $40

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