Jobs in the United States

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Added 7 mins ago
OH
Leasing Agent (Public Housing Department)
Opportunity Home San Antonio
San Antonio, TX
- $44,928 USD / year
Receives and records payments, maintains delinquent rent rolls, and accurately inputs rent data into management systems.
Added 18 mins ago
AC
Production Assistant
All Classical Public Media Inc
Portland, OR
- $28 USD / hour
All Classical Radio seeks a creative, self-motivated Production Assistant who will support both our children’s network and main broadcast channel. This full-time role (40 hours / week) will…
Added 19 mins ago
Asst Dir Ambulatory Nursing
MedStar Health
Washington, DC
The Assistant Director of Ambulatory Nursing is a member of MedStar Health entity-based Division of Nursing and leadership team. Supports and collaborates with the Director of Nursing in…
Added 52 mins ago
Maintenance Technician
Catholic Diocese Of Fort Worth
Colleyville, TX
Coordinate irrigation schedules using computer software and phone apps to run the systems.
Added 55 mins ago
Executive Assistant I - 995966
Fort Lauderdale-Davie, FL
17. Enters data and generates reports from NSU specific software systems to ensure accurate processing and record keeping.
Added 1 hour ago
Operations Coordinator
South Dakota Board Of Regents
SD
Coordinate program and event registrations and assist participants with registration, payment, travel, and logistical questions
Added 1 hour ago
Consultant
Reef Point Group
Falls Church, VA
The primary mission is to operationalize High Reliability Organization (HRO) principles and the Chief of Naval Operations' Get Real, Get Better call to action - transforming empirical…
Added 1 hour ago
Administrative Coordinator
TX-HHSC-DSHS-DFPS
RUSK, TX
Administrative Assistant IV’s work involves complex high-level planning and coordinating functions for the Nursing Services area within Health and Specialty Care System (HSCS) This position…
Added 1 hour ago
Road Supervisor - Fixed Route - MVTA
Keolis America, Inc.
Burnsville, MN · Eagan, MN
Knowledge of project specific vehicles, components, and data/communications systems
Added 1 hour ago
Road Supervisor - Microtransit CONNECT - MVTA
Keolis America, Inc.
Burnsville, MN · Eagan, MN
Knowledge of project specific vehicles, components, and data/communications systems
Added 1 hour ago
Software Engineer, Back-End - Mail (LatAm)
Superhuman
San Francisco, CA
- Build and operate high-throughput production services that power AI agent orchestration, connector integrations, and real-time data pipelines.
Added 1 hour ago
DC
Resident Services Manager
Dakota County CDA
Eagan, MN
- $82,337 to $102,921 USD / year
The position also involves supervising Resident Services Specialist, overseeing training, performance, workloads, and schedules, while ensuring compliance with health, safety, and agency…
Added 1 hour ago
Assistant General Manager
RTR Payroll LLC
McLean and Alexandria, VA
The Assistant General Manager supports the day-to-day operations of their studio and is a driving force behind studio growth, an exceptional client experience, and community connection. The…
Added 2 hours ago
Program Assistant PT - Fitness Programs (Parks)
City of Arlington
United States
Ability to perform basic computer tasks including existing registration software data entry, PC software (including current Microsoft Office Suite applications), email communication, and…
Added 2 hours ago
MU
MSBA Student Assistant and Tutor (Atlanta)
Mercer University
United States
- $13 USD / hour
Administrative functions include but are not limited to answering phone calls, handling incoming and outgoing mail, data entry and analysis, flyer creation, and paper/electronic record…
Added 2 hours ago
Executive Assistant to the President
Warner Pacific University
Portland, OR
The Executive Assistant to the President supports the President in operational and administrative details and performs administrative functions that require a thorough knowledge of…
Added 2 hours ago
Research Coordinator
Circuit Clinical
Secaucus, NJ
Reviewing Adverse Events and Serious Adverse Event with Primary Investigator within 24 hour of event report to Institutional Review Board (IRB) and sponsor
Added 2 hours ago
Administrative Assistant
Corewell Health Corporate
Grand Rapids, MI
Coordinate large catering orders + manage call catering, room reservations, and facility needs for major events and PriorityNext related meetings + celebratory event after go-live
Added 3 hours ago
BD
Accounting Clerk - Full-Time
Black Desert Resort
Ivins, UT
- $20 to $24 USD / hour
- Full-time
…of the resort with a primary focus on Accounts Payable (AP) and Accounts Receivable (AR) functions. This role ensures accurate processing of vendor invoices, guest billing, and…
Added 3 hours ago
Administrative Assistant - Aspen Place Apartments
Winfield Property Management
Oklahoma City, OK
The Administrative Assistant supports property operations through accurate recordkeeping, reporting, resident communication, and providing assistance to the leasing team. This part-time…
Added 3 hours ago
Regional Administrative Assistant
AutoZone
Glenn Burnie, MD · Baltimore, MD
Event Preparation: Ensure software, equipment, meeting spaces, and supplies are ready for all events and gatherings.
Added 3 hours ago
Administrative Assistant
CE Rental Inc
Frederick, MD
Curated Events is seeking a detail-oriented and highly organized Administrative Assistant to support daily office operations to ensure accurate and smooth administrative workflow. This role…
Added 3 hours ago
Events Facility Coordinator
US AMR-Jones Lang LaSalle Americas, Inc.
San Francisco, CA
Technical & Financial Literacy: Proficient in Google Suite, platform-based event tracking systems, and financial/budgeting software, with the flexibility to quickly adapt to new tools,…
Added 4 hours ago
Executive Assistant - Human Resources
Fortive
Everett, WA
We are a global industrial technology innovator with a startup spirit. Our forward-looking companies lead the way in software-powered workflow solutions, data-driven intelligence,…
Added 4 hours ago
G
Business Analyst (Health)
Guidehouse
ARLINGTON, VA · MCLEAN, VA
- $77,000 to $129,000 USD / year
Guidehouse is seeking a Business Analyst to support Agile software development projects for federal and commercial clients in the Health industry. This role is ideal for a seasoned analyst…

STACK Infrastructure US

Assistant Critical Operations Manager

Plano, TX, United States

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Job details

Apply by: Nov 30, 2026
Posting language: English
Posted: Nov 2, 2026

Original job description

THE COMPANY:

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 an Assistant Critical Operations Manager (ACOM) to support a local data center campus. As a leader in STACK’s Critical Operations team, the ACOM must possess an expert level of knowledge and will be responsible for assisting the Critical Operations Manager in maintaining the mechanical, electrical, fire life safety, base building, and other various internal data center systems. The ACOM will also be focused on the implementation of programs related to Safety, Team, Availability, Communication, and Knowledge. The Assistant Critical Operations Manager will report to the Critical Operations Manager.

The ACOM is responsible for the implementation of the Data Center Operations Program at their site and is responsible for employee training and ensuring all staff is adequately qualified to perform their duties. Holding regular team meetings and individual 1:1 sessions is required. The ACOM will assist the Critical Operations Manager in developing and maintaining CAPEX and OPEX budgets at the site level. They will also be responsible for project execution and management including developing scopes, obtaining proposals, creating purchase requisitions, and ensuring invoices are routed properly.

Responsibilities include but are not limited to:

Lead and implement a standardized culture of always working safely across all STACK data centers.
Serve as a datacenter subject matter expert for electrical, mechanical, fire life safety, and other data center systems.
Operate, monitor, maintain, and respond to abnormal conditions within the facility.
Implement site-level efficiency projects and maintain overall site design PUE.
Ensure STACK preventative and predictive maintenance program is executed.
Train and mentor junior staff.
Manage vendor relationships and service contracts.
Assist in managing vendor procurement and billing processes.
Support site budgeting and forecasting for both CapEx and OpEx.
Create highly detailed technical procedures for maintenance events, emergency situations, and standard site evolutions.
Perform expert technical review of procedures, company standards, and policies.
Manage site audits, both internal and external, ensuring adherence to compliance standards.
Manage systems to avoid unplanned, customer-impacting outages.
Manage the data floor and back-of-house mechanical loading capacity to ensure cooling system efficiency.
Navigate and utilize CMS, EPMS, and BMS systems.
Provide day-to-day exceptional customer service and support.
Be available on-call as required to respond to emergency situations at the data center.
Perform other duties as required by STACK. Job duties, roles, and responsibilities are subject to change over time.

THE DETAILS:

Location: [Insert locations]
Travel: None or less than 5%
Benefits: Healthcare, Dental Care, Vision Insurance, Life Insurance, Paid Time Off, and Paid Leave Programs
Must be eligible to work in the United States
Must pass comprehensive background and drug screening

MUST-HAVE QUALIFICATIONS:

High school diploma or equivalent
Minimum of 4–5 years' experience in a data center or other related mission critical operations role
Knowledge of data center (hyperscale, enterprise, and colocation) and telecommunications industries
Experience working with Microsoft Office applications and database software
3–5 years' experience managing facility preventative maintenance programs
3–5 years' experience in vendor and project management
Ability to handle multiple tasks and perform well in stressful situations
Expert understanding of electrical and mechanical systems used in a data center environment (e.g., UPS, Transformers, PDUs, RPPs, Chillers, CRAH, CRAC, STS, ATS, 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 perform physical tasks including standing, walking, climbing, and lifting up to 25 pounds
Willingness to work outside normal business hours, including weekends, 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.

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More about this job

Skills

Communication skills
Staff training
Procurement
Budget management
Forecasting
Regulatory compliance
CMS
Customer service
Microsoft Office
Project management
Mechanical systems
ATS
Heavy lifting

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