Top 574 Commissioning engineer Jobs in Schiller Park Il

Service Engineer
Ecolab Inc. —Naperville, IL
- $93,800 - $140,600 a year
- Overtime
- 3 years
- Continuous improvement
- Product management
- Paid training
- Employee stock purchase plan
Commissioning and Functional Engineer
CRRC Sifang America —Schiller Park, IL
- $70,000 - $80,000 a year
- Full-time
- Computer science
- English
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
Lead Commissioning Engineer
Nexamp —Chicago, IL
- $140,000 - $155,000 a year
- Hybrid work
- Engineering
- System design
- Research
- Commuter assistance
- Paid holidays
Entry Level Automation Travel Engineer
DMC Engineering —Chicago, IL
- $89,000 - $101,000 a year
- Hybrid work
- Travel
- US work authorization
- Reliable transportation
4d
Commissioning Engineer - Buildings
Burns & McDonnell —Chicago, IL
- $145,000 - $210,000 a year
- Full-time
- Management
- Engineering
- Quality control
- 401(k)
- Employee stock ownership plan
Commissioning Engineer II
Affiliated Engineers, Inc. —Chicago, IL
- Online Application
- Mid-level
- Office
- Driver's License
- Health insurance
- Dental insurance
Commissioning Engineer
BARD RAO & ATHANAS CONSULTING ENGINEERS LLC —Chicago, IL
- $120,000 - $165,000 a year
- Full-time
- Office
- Travel
- Senior level
- Disability insurance
- Health insurance
Quick Apply
Commissioning Engineer I
Affiliated Engineers, Inc. —Chicago, IL
- $60,000 - $90,000 a year
- Online Application
- Office
- Driver's License
- HVAC
- Health insurance
- Dental insurance
Staff Solar Performance Engineer - Solar (Multiple Locations)
Burns & McDonnell —Chicago, IL
- $110,000 - $175,000 a year
- Full-time
- Construction site
- Office
- Continuous improvement
- 401(k)
- Employee stock ownership plan
Traveling Superintendent - Commercial Aviation Construction
Ascend Aviation Services —Wheeling, IL
- $125,000 - $150,000 a year
- Full-time
- 7 years
- Construction site
- Inventory management
- Travel reimbursement
- Health savings account
Quick Apply
Process Engineer
Alsip MiniMill, LLC —Alsip, IL
- $145,000 - $165,000 a year
- Engineering
- Mid-level
- Analysis skills
- Disability insurance
- Health insurance
Quick Apply
Senior Engineer - T&S Engineering Programs
Exelon —Oakbrook Terrace, IL
- $103,200 - $141,900 a year
- Extended hours
- 7 years
- Bachelor of Science
- Engineering
- Disability insurance
- Health insurance
Construction Manager - Automated Material Handling Systems
WITRON Integrated Logistics, Inc —Arlington Heights, IL
- $75,000 a year
- Management
- Construction site
- Mid-level
- Profit sharing
- Paid holidays
Quick Apply
Senior Electrical Engineer, PE
Continental Electrical Construction —Oak Brook, IL
- $100,000 - $165,000 a year
- Full-time
- 7 years
- Microsoft Excel
- Construction site
- Profit sharing
- Paid holidays
Quick Apply
Director of Engineering
Public Media Engineering LLC —Chicago, IL
- $125,000 - $175,000 a year
- Weekends as needed
- Windows
- Ability to lift 50 pounds
- Driver's License
- Paid holidays
- Relocation assistance
Quick Apply
Industrial HMI Developer II
Machine Solution Providers, LLC —Downers Grove, IL
- $85,000 - $110,000 a year
- Full-time
- Hybrid work
- Mid-level
- Office
- SQL
- AD&D insurance
- Paid holidays
Quick Apply
Electrical Controls Engineer
Machine Solution Providers, LLC —Downers Grove, IL
- $90,000 - $130,000 a year
- Full-time
- System design
- Office
- Driver's License
- AD&D insurance
- Paid holidays
Quick Apply
AV Systems Design Engineer
Extron Electronics —Chicago, IL
- $110,000 - $140,000 a year
- Full-time
- Microsoft Outlook
- 5 years
- Engineering
- Health insurance
- Dental insurance
Quick Apply
14d
Application & Project Manager - PVD Coating Machines
PLATIT Inc —Mundelein, IL
- From $100,000 a year
- Full-time
- ERP systems
- Analysis skills
- Continuous improvement
- Health insurance
- Dental insurance
Quick Apply
8d
Controls/Mechanical Engineer - Schaumburg
IPG —Schaumburg, IL
- $74,000 - $100,000 a year
- Full-time
- Driver's License
- Continuous improvement
- Travel
Quick Apply

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Service Engineer

Ecolab Inc. -
Naperville, IL

Apply Now

Job Details

Full-time
$93,800 - $140,600 a year

Benefits

Paid training
Employee stock purchase plan
Disability insurance
Health insurance
Dental insurance
Tuition reimbursement
Adoption assistance
Pension plan
Parental leave
Employee assistance program
Vision insurance
401(k) matching
Employee discount
Benefits from day one
Opportunities for advancement
Life insurance
Childcare
Pet insurance

Qualifications

Field service equipment repair
Field engineering

Full 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.

Our Commitment to a Culture of Inclusion & Belonging
At Ecolab, we believe the best teams are inclusive. We are on a journey to create a workplace where every associate can grow and achieve their best. We are committed to fair and equal treatment of associates and applicants and recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance. In all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement, we will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran.

In addition, we are committed to furthering the principles of Equal Employment Opportunity (EEO) through Affirmative Action (AA).

We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the New York City Fair Chance Act.

Apply Now

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Service Engineer

Liquid Cooling Systems – In‑Row Liquid‑to‑Liquid CDUs

Role Overview:

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:

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

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)

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

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

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

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