Service Engineer

Ecolab•Naperville, AZ

23h•Remote

About The Position

The Service Engineer is the highest field escalation‑level technical resource supporting OEM in‑row, liquid‑to‑liquid Coolant Distribution Units (CDUs). This role provides deep technical expertise across mechanical systems, electrical power distribution, and control platforms (PLC/HMI/BMS integration). In addition to advanced troubleshooting and commissioning support, the Service Engineer serves as a technical authority, mentor, and trainer, enabling internal service teams and delivering customer‑facing training during deployments, handoffs, and lifecycle engagements. This role is critical to ensuring system uptime, customer confidence, and scalable service excellence.

Requirements

Associate degree (A.S.) or equivalent from a two‑year college or technical school; or seven to ten years related experience and/or training; or equivalent combination of education and experience.
3 years of mechanical and electrical field service equipment experience

Nice To Haves

Data center commissioning experience
AI/HPC liquid cooling exposure
OEM mission‑critical service background
Familiarity with RCA/FMEA methodologies
Bachelor’s degree in Mechanical, Electrical, or Controls Engineering (or equivalent experience)
7+ years field service, commissioning, or systems engineering experience
3+ years supporting liquid cooling systems in mission‑critical environments

Responsibilities

Act as final technical escalation point for in‑row liquid‑to‑liquid CDU issues not resolved by other field technician resources
Lead troubleshooting of complex system‑level issues involving: Pumps, valves, heat exchangers, sensors, and piping
Troubleshoot power distribution, VFDs, motor protection, and grounding
Troubleshoot PLC logic, HMI behavior, alarm handling, and controls interlocks
Perform root cause analysis (RCA) for repeat or high‑impact failures and define corrective/preventive actions
Support 24x7 escalation coverage as part of the senior on‑call rotation
Lead or support service engineer commissioning activities, including: Pre‑functional inspections and I/O checkout
Verify control sequences and fail‑safe validation
Perform flow balancing, pressure validation, and heat load simulations
Support field modifications, retrofits, and design clarifications in coordination with Engineering
Serve as technical authority during critical customer events (first power, load ramp, incident response)
Support and troubleshoot PLC platforms (e.g., Rockwell, Siemens, Schneider)
Support and troubleshoot HMIs, firmware updates, and configuration management
Support and troubleshoot BMS, EPMS, and DCIM integrations (BACnet, Modbus, SNMP)
Assist in defining alarm philosophy, setpoints, and service‑safe control behaviors
Develop and deliver internal training for L1/L2 service engineers, including: CDU fundamentals and system architecture
Develop and deliver internal training for L1/L2 service engineers, including: Troubleshooting workflows and escalation criteria
Develop and deliver internal training for L1/L2 service engineers, including: Safety, lock‑out/tag‑out (LOTO), and service best practices
Deliver customer‑facing training, including: Operations & maintenance (O&M) training
Deliver customer‑facing training, including: Commissioning handoff and system familiarization
Deliver customer‑facing training, including: Advanced troubleshooting workshops (where applicable)
Contribute to training materials such as: Service manuals, troubleshooting matrices, and quick‑reference guides
Contribute to training materials such as: Slide decks, hands‑on lab content, and field playbooks
Provide field feedback to Engineering, Product Management, and Quality teams
Contribute to service procedures and preventative maintenance standards
Contribute to commissioning checklists and acceptance criteria
Contribute to failure trend analysis and reliability improvements
Mentor junior engineers and help shape technical service standards