Critical Operations Technician I

STACK Infrastructure APAC; Manassas (VA); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Healthcare

Dental Care

Vision Insurance

Life Insurance

Paid Time Off

Paid Leave Programs

Job summary

STACK Infrastructure APAC is seeking a Critical Operations Technician to support a local data center campus. You will operate and maintain electrical, mechanical, and fire life safety systems, monitor performance, and contribute to preventive maintenance.

Ideal candidates have 3–5 years in data center or mission-critical roles, with knowledge of UPS, PDUs, chillers, NFPA standards, and strong problem-solving abilities. Some on-call work may be required.

Qualifications

• Minimum 3–5 years’ data center or mission-critical ops experience.
• Strong understanding of electrical and mechanical data center systems (UPS, PDUs, chillers, CRAH/CRAC).
• Knowledge of NFPA70e/72/25 compliance standards.
• Proficient with Microsoft Office and data tracking software.

Responsibilities

• Operate, monitor, and maintain facility systems (Electrical, Mechanical, Building Monitoring).
• Track and trend operational data; report to management.
• Assist with preventive and predictive maintenance schedules.
• Help with CMMS data entry and issue resolution based on priorities.
• Provide day-to-day customer service and site support.
• May participate in on-call duties outside normal hours.
• Ensure cooling and power systems support maximum operational efficiency.

Skills

Data center operations

Electrical systems

Mechanical systems

NFPA standards

MS Office

Stakeholder communication

Navy Nuclear (preferred)

Education

High school diploma or equivalent

Bachelor’s degree (preferred)

Tools

None

Job description

STACK INFRASTRUCTURE (STACK) provides digital infrastructure to scale the world’s most innovative companies. We are an award-winning industry leader in building, owning, and operating highly efficient, cost-effective wholesale, colocation, and cloud data centers. Each of our national facilities meets or exceeds the highest industry standards in all operational categories of availability, security, connectivity, and physical resilience.

STACK offers the scale and geographic reach that rapidly growing hyperscale and enterprise companies need. The world runs on data. Data runs on STACK.

THE POSITION:

STACK is looking for a Critical Operations Technician (COT) to support a local data center campus. As a member of STACK’s Critical Operations team, the Critical Operations Technician must possess strong knowledge in maintaining the mechanical, electrical, fire life safety, base building, and other various internal data center systems. The COT will also be focused on the execution of programs related to Safety, Team, Availability, Communication, and Knowledge. The COT will be responsible for day-to-day operations of the data center.

Mechanical responsibilities will include working on chilled water systems and components, HVAC systems such as rooftop units, CRAC/CRAH units, humidification systems, fan wall systems, air-cooled chillers, and central plant operations.

Electrical responsibilities will include working on electrical/critical power distribution from the Utility/Generator main switchgear through the UPS systems out to the customer load, UPS, PDU, and RPP cabinets.

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

Responsibilities include but are not limited to:

• Implement and follow the standardized culture of always working safely across all STACK data centers
• Operate, monitor, maintain, and respond to abnormal conditions in facility systems (Electrical, Mechanical, Building Monitoring, and Control)
• Track and trend operational characteristics
• Provide feedback to management on the effectiveness of existing standards and processes
• Work with the Critical Operations Manager to complete an aggressive preventive and predictive maintenance schedule
• Assist with the database management of maintenance discrepancies and work with site management to resolve site issues based on priorities
• Ensure data center operates at maximum operational efficiency, including analyzing operating conditions, recommending new technologies, and improving overall efficiency
• Manage systems to avoid unplanned, customer-impacting outages
• Follow direction regarding the data floor and back-of-house mechanical loading capacity to ensure cooling system efficiency
• Coordinate and oversee power installations and upgrades
• Navigate and utilize a CMMS system
• Use developed procedures to solve problems
• Assist in asset and consumable inventory management
• Track and properly label all equipment per established procedures
• Provide day-to-day exceptional customer service and support
• Incident escalation, response, and follow-up report writing
• Maintain and complete regular facility and security tours documenting and responding to issues
• Provide applied mechanical and integrated control expertise for the entire data center
• Serve in a technical writing capacity for the derivation of procedures for preventative or corrective maintenance activities
• May be required to take on on-call duties outside of normal working hours
• Other duties as required by STACK (job duties, roles, and responsibilities are subject to change over time)

THE DETAILS:

• Travel: None or less than 5%
• Benefits: Healthcare, Dental Care, Vision Insurance, Life Insurance, Paid Time Off, Paid Leave Programs
• Must be eligible to work in the United States
• Must pass a comprehensive background screening
• Work hours may vary based upon business needs

MUST-HAVE QUALIFICATIONS:

• High school diploma or equivalent
• Minimum of 3–5 years’ experience in a data center or other related mission-critical operations role
• Experience working with Microsoft Office applications and other database housing software
• Ability to handle multiple tasks and perform well in stressful situations
• Strong understanding of electrical and mechanical systems used in a data center environment (UPS, Transformers, PDUs, RPPs, Chillers, CRAH, CRAC, STS, ATS, Pre-action systems)
• Strong knowledge of NFPA70e, NFPA72, NFPA25, and fire life safety compliance standards
• Familiarity and experience in data center trending and analysis, with the ability to rapidly learn and use PC-based site monitoring systems
• United States Navy Nuclear Engineering – preferred
• Bachelor’s Degree or equivalent work experience – preferred
• Occasionally required to stand, walk, sit, use hands to handle, reach or feel objects, climb stairs, balance, stoop or kneel, talk, see at close range, and hear for extended periods of time
• Must be able to lift and/or move up to 25 pounds
• Willingness to work outside normal business hours, including weekends, late nights, holidays, and on-call support
• Comfortable working in a high‑stress, fast‑paced environment with shifting priorities

THIS MIGHT BE RIGHT FOR YOU IF:

You are a strong communicator, you are persuasive and clear, blending analytics with experience in decision‑making.

You do not get flustered easily. You can juggle multiple priorities while balancing urgent requests with shifting timelines and deliverables.

You are a team builder. You take the time to understand and develop the strengths of your resources while formulating long‑term plans for the growth and success of the team.

You are naturally curious and driven toward continual improvement. While you celebrate your successes, you take time to review and analyze campaigns for future learning.

WHY STACK?

We offer a competitive compensation package with strong benefits, including medical, dental, and vision insurance, a 401K program, flexible spending accounts – even a cell phone subsidy.

We foster a culture of appreciation, including peer‑to‑peer recognition and rewards programs.

Fun is part of our DNA, with events, game nights, happy hours, and barbecues.

We’re growing – this is a great time to join and make an impact!

STACK is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity and expression, age, national origin, mental or physical disability, genetic information, veteran status, or any other status protected by federal, state, or local law

_ Note to external agencies : We are not accepting any blind submissions or resumes/cvs from recruitment agencies. Any candidates sent to STACK Infrastructure, Inc. will not be accepted or considered as a submission without a signed agreement in place. Fees will not be paid in the event a candidate submitted by a recruiter without an agreement in place is hired; such resumes will be deemed the sole property of STACK Infrastructure, Inc.

STACK Infrastructure APAC

The world runs on data. Data runs on STACK.

STACK Infrastructure delivers scalable digital infrastructure solutions, including colocation and build‑to‑suit services, enabling innovative companies to thrive across major global regions.

IT Services and IT Consulting Professional Services

1700 Broadway, Denver, Colorado 80202, US 25 Old Broad Street, Tower 42, London, England EC2N 1, GB Singapore, SG

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Company STACK Infrastructure APAC