Field Service Technician; Cooling + Infrastructure

Field Technician (Cooling + Infrastructure)

At Liquid Stack, we’re redefining what’s possible in the data center world. As a global leader in advanced liquid cooling solutions, we’re powering the future of AI, edge computing, and high-performance systems. Our team is growing, and we’re looking for skilled professionals who want to be part of something innovative and impactful.

POSITION SUMMARY

Liquid Stack is seeking a Field Technician (Cooling + Infrastructure) to support the installation, commissioning, and troubleshooting of advanced liquid cooling systems used in mission‑critical data center environments. This is a hands‑on, customer‑facing role designed for early‑career professionals who want to build technical expertise across mechanical systems, electrical components, and data center infrastructure. You will work directly with cutting‑edge cooling technology supporting high‑performance computing and AI workloads while gaining real‑world field experience.

ESSENTIAL DUTIES AND RESPONSIBILITIES

Field Service & Technical Expertise

• Install, start up, commission, maintain, and repair Liquid Stack cooling systems at customer sites
• Perform troubleshooting across mechanical, electrical, and thermal systems
• Diagnose system issues, complete repairs, and elevate complex problems when needed
• Support system testing, inspections, and verification during commissioning and post‑installation
• Assist with system integration activities within data center environments
• Perform preventative maintenance activities including system inspections, fluid checks, and performance verification
• Utilize basic diagnostic tools to evaluate system performance (temperature, pressure, flow, and electrical readings)

Infrastructure & Data Center Support

• Work within mission‑critical data center environments supporting uptime and system reliability
• Assist with rack‑level integration, cabling awareness (fiber/copper), and equipment setup as needed
• Interface with customer IT, facilities, and engineering teams during installation and troubleshooting
• Support coordination with site infrastructure including power distribution, cooling systems, and monitoring tools
• Respond to service events and support issue resolution in alignment with customer uptime expectations and service timelines
• Serve as a professional and knowledgeable representative of Liquid Stack at customer sites.
• Communicate clearly with clients, providing operational guidance and system explanations.
• Build strong customer relationships through reliability, responsiveness, and follow‑through.
• Serve as a professional, customer‑facing representative of Liquid Stack
• Communicate clearly with customers during service visits, startups, and issue resolution
• Provide basic operational guidance and system overviews to customer teams
• Build trust through responsiveness, reliability, and strong follow‑through

SPECIFIC KNOWLEDGE, SKILLS, AND ABILITIES

Must‑Have Skills & Experience

• 2+ years in HVAC, HVAC‑R, chiller, mechanical, industrial, or field service roles.
• Hands‑on experience with installation, commissioning, maintenance, and troubleshooting.
• High school diploma or GED (trade/technical school, military training, or equivalent strongly valued).
• Valid driver’s license and passport; willingness to travel ~50% domestically (occasional international).

Preferred / Nice‑to‑Have

• Technical school or military training in HVAC/R or related disciplines.
• Engineering degree or advanced technical certification.
• Experience in mission‑critical or data center environments.
• EPA 608 Universal Certification (or willingness to obtain).

At Liquid Stack, how we work is just as important as what we deliver. In this role, you will be expected to demonstrate our core behaviors:

• Flexible – Adjust your approach to meet evolving customer needs and technical challenges.
• Collaborative – Work across teams and disciplines to drive alignment and better outcomes.
• Driven – Pursue excellence with urgency, accountability, and purpose in every service call.
• Agile – Move quickly, adapt to change, and embrace continuous improvement.
• Customer‑Centric – Keep internal and external customer needs at the center of your…