Assistant Critical Operations Manager

STACK Infrastructure•Plano, TX

About The Position

STACK Infrastructure is seeking an Assistant Critical Operations Manager (ACOM) to support a local data center campus in Plano, Texas. The ACOM assists the Critical Operations Manager with maintaining mechanical, electrical, fire life safety, base building, and other internal data center systems, and helps implement programs focused on Safety, Team, Availability, Communication, and Knowledge. This role reports to the Critical Operations Manager. The ACOM implements the Data Center Operations Program at the site, trains employees, ensures staff are qualified for their duties, and holds regular team meetings and individual one-on-one sessions. The role also assists with site-level CapEx and OpEx budgets and handles project execution and management, including developing scopes, obtaining proposals, creating purchase requisitions, and ensuring invoices are routed properly. The position requires on-call availability for data center emergencies and may include other duties as assigned.

Requirements

High school diploma or equivalent.
A minimum of 4–5 years of experience in a data center or another related mission-critical operations role.
Knowledge of the data center (hyperscale, enterprise, and colocation) and telecommunications industries.
Experience with Microsoft Office applications and database software.
3–5 years of experience managing facility preventative maintenance programs.
3–5 years of experience in vendor and project management.
Ability to handle multiple tasks and perform well in stressful situations.
Expert understanding of data center electrical and mechanical systems, including UPS, transformers, PDUs, RPPs, chillers, CRAH, CRAC, STS, ATS, and pre-action systems.
Expert knowledge of NFPA70e, NFPA72, NFPA25, and fire life safety compliance standards.
Experience in data center trending and analysis, with ability to learn PC-based monitoring systems.
Proficiency in data center commissioning standards.
Ability to stand, walk, climb, and lift up to 25 pounds.
Willingness to work outside normal business hours, including weekends and holidays, and provide on-call support.
Must be eligible to work in the United States.
Must pass comprehensive background and drug screening.

Responsibilities

Lead and implement a standardized culture of safe work across STACK data centers.
Serve as a data center subject matter expert for electrical, mechanical, fire life safety, and other data center systems.
Operate, monitor, and maintain facility systems, and respond to abnormal conditions.
Implement site-level efficiency projects and maintain overall site design PUE.
Ensure the STACK preventative and predictive maintenance program is executed.
Train and mentor junior staff, hold regular team meetings and individual one-on-one sessions, and ensure staff are qualified to perform their duties.
Manage vendor relationships and service contracts.
Assist with vendor procurement and billing processes.
Support site-level CapEx and OpEx budgeting and forecasting.
Execute and manage projects, including developing scopes, obtaining proposals, creating purchase requisitions, and routing invoices.
Create detailed technical procedures for maintenance events, emergencies, and standard site evolutions.
Review technical procedures, company standards, and policies.
Manage internal and external site audits and ensure adherence to compliance standards.
Manage systems to avoid unplanned, customer-impacting outages.
Manage data-floor and back-of-house mechanical loading capacity to support cooling-system efficiency.
Navigate and use CMS, EPMS, and BMS systems.
Provide day-to-day customer service and support.
Be available on-call as required to respond to data center emergencies.
Perform other duties as required by STACK.