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Service Engineer Jobs in Chicago, IL (NOW HIRING)

Ecolab

Service Engineer

Naperville, IL · On-site

Service Engineer Liquid Cooling Systems - In-Row Liquid-to-Liquid CDUs Role Overview: The Service Engineer is the highest field escalation-level technical resource supporting OEM in-row, liquid-to ...

DMG MORI USA, INC

Service Engineer

Hoffman Estates, IL · On-site

$85K - $110K/yr

Service Engineer Reports to : Service Coordinator Location : DMG MORI TC Hours : Monday through Friday, 8:00am to 5:00pm Classification : Non Exempt Travel : 50% Employment is conditioned on DMG MORI ...

Ecolab

Service Engineer

Naperville, IL

The Service Engineer is the highest field escalationlevel technical resource supporting OEM inrow, liquidtoliquid Coolant Distribution Units (CDUs). This role provides deep technical expertise across ...

ZF

Service Engineer

Vernon Hills, IL

$59K - $74K/yr

The Service Engineer is responsible for coordinating technical service actions, supporting customers with product-related issues, and ensuring the implementation of service updates across the ...

HSG Tech Inc.

Service Engineer

Addison, IL · On-site

$29 - $48/hr

Please visit the web site for details about HSG: www.hsglaser.com About the Role The Service Engineer position is the primary point of contact responsible for training, installation and maintenance ...

HSG Tech Inc.

Service Engineer

Addison, IL · On-site

$29 - $48/hr

Please visit the web site for details about HSG: www.hsglaser.com About the Role The Service Engineer position is the primary point of contact responsible for training, installation and maintenance ...

HSG Tech Inc.

Service Engineer

Addison, IL · On-site

$29 - $48/hr

Please visit the web site for details about HSG: www.hsglaser.com About the Role The Service Engineer position is the primary point of contact responsible for training, installation and maintenance ...

ZF Group

Service Engineer

Vernon Hills, IL · On-site

$59K - $74K/yr

The Service Engineer is responsible for coordinating technical service actions, supporting customers with product-related issues, and ensuring the implementation of service updates across the ...

Supermicro

Service Engineer

Chicago, IL · On-site

$70K - $100K/yr

The Service Engineer is a critical part of post-sales support and needs to demonstrate exceptional technical aptitude in working with server products in addition to excellent interpersonal skills. It ...

Super Micro Computer

Service Engineer

Chicago, IL · On-site

$70K - $100K/yr

The Service Engineer is a critical part of post-sales support and needs to demonstrate exceptional technical aptitude in working with server products in addition to excellent interpersonal skills. It ...

Collabera

Service Engineer

Lake Forest, IL

Informatics Inventory Management Service Engineer will play the following roles: 1. Service readiness for Inventory Management System (IMS) product launch Support the development, approval, and ...

Methods Machine Tools Inc

Service Engineer

Gilberts, IL

$29.48 - $44.59/hr

We are seeking an experienced Field Service Engineer to diagnose, repair, and maintain CNC milling and turning machines at customer facilities. This role involves both mechanical and electrical ...

Xeikon

Service Engineer

Chicago, IL · On-site

Delivery of Technical services * Assisting during installation of our machines; taking the lead ... Experience as an engineer is considered a plus * Good analytic skills and a quick learner of ...

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Service Engineer information

See Chicago, IL salary details

$20

$41

$68

How much do service engineer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for service engineer in Chicago, IL is $41.68, according to ZipRecruiter salary data. Most workers in this role earn between $33.22 and $47.07 per hour, depending on experience, location, and employer.

What is the difference between Service Engineer vs Maintenance Technician?

AspectService EngineerMaintenance Technician
Required CredentialsTypically technical degrees or certifications, such as HVAC, electrical, or mechanical certificationsVocational training or certifications in specific maintenance skills
Work EnvironmentCustomer sites, industrial facilities, or client locationsFactories, plants, or facility maintenance areas
Employer & Industry UsageManufacturing, HVAC, electronics, and industrial sectorsManufacturing plants, facilities management, and equipment maintenance
Common Search & Comparison IntentUnderstanding roles, responsibilities, and qualificationsJob duties, skills, and career path differences

While both Service Engineers and Maintenance Technicians work in technical environments, Service Engineers often focus on installing, troubleshooting, and servicing equipment at client sites, requiring broader technical certifications. Maintenance Technicians primarily perform routine maintenance and repairs within facilities. The roles overlap in technical skills but differ in scope and work setting.

What Is a Service Engineer?

A service engineer, also called a field service engineer, installs, repairs, and maintains equipment for clients. As a service engineer, you are the face of your company, traveling on-site to troubleshoot the issues your client has with the machinery. Depending on where your client is located, you may work in offices, factories, or health care facilities; indoor or outdoor areas; locally or overseas. You may specialize in a particular industry or type of equipment, but you need to have broad knowledge of mechanical, electrical, and technological principles. Service engineers may also collaborate with design teams to configure the proper machinery to fit each client’s needs and train employees in the organization to use the equipment.

What are some common challenges Service Engineers face when working on-site at client locations?

Service Engineers often encounter challenges such as diagnosing unfamiliar equipment issues quickly, adapting to various client environments, and managing multiple service requests simultaneously. Working on-site may require strong communication skills to explain technical solutions to non-technical clients and to collaborate effectively with client staff. Additionally, Service Engineers must be resourceful and flexible, as they may need to troubleshoot problems with limited tools or information, all while maintaining a professional and customer-focused attitude.

What are the key skills and qualifications needed to thrive as a Service Engineer, and why are they important?

To thrive as a Service Engineer, you need a solid background in engineering principles, troubleshooting, and problem-solving, usually supported by a degree in engineering or a related technical field. Familiarity with diagnostic tools, maintenance management systems, and relevant certifications such as CompTIA A+ or manufacturer-specific training is often required. Strong communication, customer service orientation, and the ability to work independently help distinguish top performers in this role. These competencies ensure efficient technical support, high customer satisfaction, and reliable equipment performance.

What is the job of a service engineer?

A service engineer is responsible for installing, maintaining, repairing, and troubleshooting equipment or systems for clients. They often work on technical devices, require technical knowledge, and may need certifications or training to perform their duties effectively.

What engineers make $300,000 a year?

Senior specialized engineers such as petroleum engineers, aerospace engineers, and certain software engineers with extensive experience and advanced skills can earn $300,000 or more annually. High salaries often result from working in high-demand industries, holding advanced certifications, or taking on managerial or executive roles within engineering fields.

What is a Service Engineer?

A Service Engineer is a technical professional responsible for installing, maintaining, troubleshooting, and repairing equipment or systems for clients or customers. They often work in fields such as manufacturing, IT, healthcare, or engineering, ensuring that machinery or technology operates efficiently and reliably. Service Engineers may provide on-site or remote support, perform routine inspections, and offer technical guidance to users. Their work helps minimize downtime and keeps critical systems functioning smoothly.

What engineering jobs pay $500,000?

High-paying engineering roles such as petroleum engineers, aerospace engineers, and certain senior software or systems engineers can earn $500,000 or more annually, often with extensive experience, advanced certifications, and leadership responsibilities. These positions typically require specialized skills, advanced degrees, and may involve working in high-stakes or complex environments.

What engineers make $200,000 a year?

Senior engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $200,000 or more annually, especially with extensive experience, advanced skills, and often in leadership or managerial roles. High-paying engineering positions typically require advanced certifications, a strong technical background, and sometimes working in high-demand industries or locations with a high cost of living.
More about Service Engineer jobs
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What job categories do people searching Service Engineer jobs in Chicago, IL look for? The top searched job categories for Service Engineer jobs in Chicago, IL are:
Service Engineer jobs near you
Service Engineer

Service Engineer

Ecolab

Naperville, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago

Ecolab rating

7.5

Company rating: 7.5 out of 10

Based on 209 frontline employees who took The Breakroom Quiz

53rd of 92 rated chemical manufacturers

Job description

Service Engineer
Liquid Cooling Systems - In-Row Liquid-to-Liquid CDUs
Role Overview:
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 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

About Nalco Water:
In a world with increasing water shortage and contamination challenges, Nalco Water, an Ecolab company, helps customers conserve more than 161 billion gallons of water each year. We work with customers across the world in the light industry (institutional, food & beverage, manufacturing, transportation, textile care, and global high tech) and heavy industry (chemical, downstream, paper, mining, power and primary metals industries) to reduce, reuse, and recycle their water while protecting their systems and equipment. Nalco Water provides the unique opportunity to work with a broad suite of technologies to deliver automated monitoring systems, data analysis and deep technical expertise to increase efficiency, sustainability and performance for our customers.
Anticipated Job Posting End Date:
6/29/2026
Annual or Hourly Compensation Range:
The total Compensation range for this position is $93,800-$140,600 which includes base pay and target incentive based on performance, per plan terms. Many factors are taken into consideration when determining compensation, such as experience, education, training, geography, etc. We comply with all minimum wage and overtime laws.
Benefits
Ecolab provides the following benefits: medical, dental, vision, life insurance, accident insurance, critical illness insurance, hospital indemnity insurance, auto insurance, home insurance, pet insurance, identity theft protection, short-term and long-term disability, 401k, pension plans, retirement health care benefits, short-term incentives, vacation (12 days), holidays, parental leave, employee stock purchase plans (Full-Time Associates), discount on day care services and caregiver services, adoption assistance, group legal services, employee assistance program, employee discount program, and education assistance program, on-Site childcare and fitness facilities may be available at select Ecolab locations. Click here for additional benefits information. If you are viewing this posting on a site other than our Ecolab Career website, view our benefits at jobs.ecolab.com/working-here.
Potential Customer Requirements Notice
To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to:
- Undergo additional background screens and/or drug/alcohol testing for customer credentialing.
- Be fully vaccinated for COVID-19, including a booster if eligible, unless a religious or medical accommodation is requested by the applicant and approved by Ecolab.
Americans with Disabilities Act (ADA)
Ecolab will provide reasonable accommodation (such as a qualified sign language interpreter or other personal assistance) with our application process upon request as required to comply with applicable laws. If you have a disability and require accommodation assistance in this application process, please visit the Recruiting Support link in the footer of each page of our career website.

What Ecolab employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Ecolab logo

About Ecolab

Sourced by ZipRecruiter

Ecolab is a global sustainability leader offering water, hygiene and infection prevention solutions and services that protect people and the resources vital to life.

Industry

Manufacturing

Company size

10,000+ Employees

Headquarters location

Saint Paul, MN, US

Year founded

1923

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