Service Engineer

Service Engineer

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.

What's in it For You:

• The opportunity to take on some of the world's most meaningful challenges, helping customers achieve clean water, safe food, and healthy environments
• The ability to make an impact with a company that is passionate about your career development
• Paid training held in the field and at Nalco Water Headquarters in Naperville, IL
• Enjoy a flexible, independent work environment
• Receive a non-decaled company vehicle for business and personal use
• Comprehensive benefits package starting day 1 of employment – medical, dental, vision, matching 401(k), company paid pension, stock purchase plan, tuition reimbursement and more!

What You Will Do:

Technical Support & Escalation:

• 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
• Power distribution, VFDs, motor protection, and grounding
• 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

Commissioning & Field Execution:

• Lead or support service engineer commissioning activities, including:
• Pre-functional inspections and I/O checkout
• Control sequences verification and fail-safe validation
• 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)

Controls & Systems Integration:

• Support and troubleshoot:
• PLC platforms (e.g., Rockwell, Siemens, Schneider)
• HMIs, firmware updates, and configuration management
• BMS, EPMS, and DCIM integrations (BACnet, Modbus, SNMP)
• Assist in defining alarm philosophy, setpoints, and service-safe control behaviors

Training & Technical Enablement:

• Develop and deliver internal training for L1/L2 service engineers, including:
• CDU fundamentals and system architecture
• Troubleshooting workflows and escalation criteria
• Safety, lock-out/tag-out (LOTO), and service best practices
• Deliver customer-facing training, including:
• Operations & maintenance (O&M) training
• Commissioning handoff and system familiarization
• Advanced troubleshooting workshops (where applicable)
• Contribute to training materials such as:
• Service manuals, troubleshooting matrices, and quick-reference guides
• Slide decks, hands-on lab content, and field playbooks

Documentation & Continuous Improvement:

• Provide field feedback to Engineering, Product Management, and Quality teams
• Contribute to:
• Service procedures and preventative maintenance standards
• Commissioning checklists and acceptance criteria
• Failure trend analysis and reliability improvements
• Mentor junior engineers and help shape technical service standards

Location /

Travel Required:

• Preferred location is U.S.;
  Open to candidates living anywhere in the U.S. close to a major airport
• Travel up to 75%

Minimum Qualifications:

• 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

Preferred Qualifications:

• Data center commissioning experience
• AI/HPC liquid cooling exposure
• OEM…