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Mechanical Field Engineer — Data Center Operations

FluidStack
Buffalo, NY

Apply Now

Job Details

Full-time
$140,000 - $200,000 a year

Benefits

Stock options
Dental insurance
Paid time off
Pension plan
Vision insurance

Qualifications

Data Center Operations
Construction specifications
Data center experience
EPA Refrigeration Certification
Troubleshooting refrigeration cycles
Maintenance schedule management
Mechanical drawings
Construction plans
Construction drawing review
EPA 608 Technician Certification
Construction submittals
ASHRAE Standards
Piping diagrams drawing

Full Job Description

Buffalo, NY,Barber Lake, TX,Abernathy, TX

Full Time

About Fluidstack

We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it.

We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI.

We hire people who care deeply about this problem space. If that is you, please apply!

About the Role

We are seeking a hands-on Mechanical Field Engineer to support the commissioning, operation, and maintenance of critical mechanical and cooling infrastructure across our hyperscale AI data center campuses. AI workloads generate extreme heat densities that demand precision mechanical systems — this role is responsible for making sure those systems never let the compute down. In addition to day-to-day operational responsibilities, this role carries engineering accountability for new construction support, capacity upgrades, site audits, and design review — providing the technical depth needed to both operate and improve the infrastructure you own.

The ideal candidate has come up through mechanical and cooling systems in mission-critical environments, is equally comfortable troubleshooting a chiller fault and reviewing a P&ID in a design meeting, and takes personal ownership of the thermal health of every data hall they support.

Responsibilities

Own day-to-day operation, maintenance, and troubleshooting of critical cooling and mechanical systems including chillers, cooling towers, CRACs/CRAHs, CDUs (liquid cooling / direct-to-chip), dry coolers, economizers, pumping systems, and associated piping infrastructure; enforce site safety requirements including LOTO, confined space, and refrigerant handling procedures across all mechanical work.
Develop, review, and execute MOPs, EOPs, and AOPs for planned and emergency mechanical maintenance events; manage and coordinate third-party mechanical contractors and vendors performing work on site.
Monitor BMS platforms for cooling system performance, alarm response, and capacity tracking; maintain accurate as-built documentation, P&IDs, and equipment records following any system modifications; support change management processes including risk assessments and post-work documentation.
Perform design and submittal reviews for new data centers and own engineering solutions for existing facility upgrades that add capacity, improve availability, and increase efficiency.
Troubleshoot mechanical faults and equipment failures; conduct formal Root Cause Analysis (RCA), lead engineering site audits within owned or colocation data centers, and produce risk reports with recommended mitigations and remediation plans.
Act as resident engineer during new construction and commissioning; interface with internal design, server hardware, and EHS teams while providing procedure reviews, ad-hoc training, and critical event support across multiple concurrent projects and regions.

Basic Qualifications

Bachelor's degree in Mechanical Engineering or a related field
Knowledge of critical data center mechanical and electrical equipment
Experience with the design, construction, operation, or maintenance of mission-critical facilities, especially data centers
Demonstrated experience reading, interpreting, and creating construction drawings, P&IDs, specifications, and submittal documents
Familiarity with BMS/BAS platforms for cooling system monitoring and control
Experience with refrigerant handling and EPA 608 certification
Proven ability to develop and execute MOPs and EOPs in a live critical environment
Strong familiarity with ASHRAE thermal guidelines and data center cooling standards

Preferred Qualifications

Knowledge of HVAC systems in mission-critical or data center environments
Knowledge of power systems, fluid dynamics, or thermodynamics as applied to data center cooling infrastructure
Experience carrying design concepts through exploration, development, and into deployment
Knowledge of mechanical, electrical, and controls systems for critical infrastructure
Experience in a hyperscale or colocation data center environment with direct-to-chip or immersion liquid cooling systems
PE licensure or equivalent mechanical engineering credential
Uptime Institute AOS or equivalent data center operations certification
Experience with commissioning programs at Tier III or Tier IV facilities
Familiarity with CMMS platforms for work order management and documentation

Benefits

Competitive total compensation package (cash + equity).
Retirement or pension plan, in line with local norms.
Health, dental, and vision insurance.
Generous PTO policy, in line with local norms.

The base salary range for this position is $140,000 - $200,000 per year, depending on experience, skills, qualifications, and location. This range represents our good faith estimate of the compensation for this role at the time of posting. Total compensation may also include equity in the form of stock options.

We are committed to pay equity and transparency.

Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.

You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application- someone from our recruiting team will be in touch.

Apply Now

Refine Your Search

thermal engineer jobs in niagara falls ny

Mechanical Field Engineer — Data Center Operations

Senior Thermal Design Engineer

Test and Validation Engineer - HVAC

Advanced Cooling Design Engineer

Associate Engineering Laboratory Technician

Lead Process Engineer

Electrical Components Engineer

Test and Measurement Controls Engineer -

Advanced R&D Engineer/Scientist- Refrigerants

Electrical Components Engineer 1

Sr. Environmental Engineer

Senior Design Engineer - Electronics

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