Technical Representative Jobs in Illinois
Technical Representative jobs in Illinois draw consistent demand from the state's deep manufacturing corridor, agricultural equipment sector, and industrial automation industry, with openings at every level from entry-level field support to senior account-facing roles. Chicago, Peoria, and Rockford anchor most of the hiring, home to major employers like Caterpillar, Illinois Tool Works, and Deere operations that rely on technical representatives to support complex product lines. The most in-demand specialties are industrial machinery, automation systems, and diagnostic equipment support. Scan the live roles below and apply to whichever ones fit.
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As the industry leader in water technology, we’re growing and need talented people like you to help us continue to protect the world’s most vital resource.
Nalco Water, an Ecolab Company, seeks a Technical Sales Representative to join its industry leading sales team. You’ll be responsible for revenue and profit growth of programs and services in targeted accounts. Using a consultative sales approach, you’ll build relationships with existing customers by executing system assurance programs that meet their key business needs. With strong account leadership, you’ll also convert strategic competitive accounts and sell new technologies to current customers.
What’s in it For You:
- You’ll join a growth company offering a competitive base salary, bonus structure and benefits
- A company vehicle and cell phone
- A long term, advancing career path in service, sales or management
- Access to the industry’s most innovative training programs
- Support from a dedicated technical service team
- A culture that values safety first, including training and personal protection
- Pride in working for a company that provides clean water, safe food, abundant energy and healthy environments
What You Will Do:
- Generate and execute sales plans in existing customer base and in assigned competitively-held accounts, to meet profit increase goals.
- Work closely with current and prospective customers to understand business needs and recommend continuous improvement and innovation plans that will maintain and grow sales
- Develop strong relationships with key stakeholders in current and prospective customers, including plant or facility executives
- Provide technical support to customers; identifying and resolving customer challenges, escalating as required
- Engage in problem solving by performing system analysis, interpreting data and providing written recommendations to ensure customer operations are performing at optimal levels.
- Actively sell and support Nalco Water innovations and technology in assigned customers to promote long-term business relationships with Nalco Water
Territory/Location Information:
- This position is based in Chicago, IL
- Territory covers about a 100 mile radius of the surrounding area
- Targeted accounts are within the institutional industries
- <25% overnight travel required
As a trusted partner, your customers will rely on you for their success. Nalco Water is committed to seeing you succeed and provides innovative training programs to ensure you’re prepared to solve any customer problem.
Training programs are held in the field and at Nalco Water Headquarters in Naperville, IL; travel is arranged and paid for by Nalco Water. Based on your skill level and experience, topics covered may include technology, product, service, business and industry acumen, direct coaching and mentoring, sales management and leadership, classroom training and certifications.
Minimum Qualifications:
- Bachelor's degree
- Technical sales or field sales support experience
- Possess a valid Driver's License and acceptable Motor Vehicle Record
- Immigration sponsorship is not available for this role
Preferred Qualifications:
- Bachelor’s degree in engineering (chemical, mechanical, industrial) or life sciences (biology, chemistry, etc.)
- Water treatment or specialty chemical industry experience
- Working knowledge of OR operations, wet end chemistry, pulp mill operations>
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, transportation and manufacturing), heavy industry (chemical, power and primary metals industries), paper and mining operations 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.
Annual or Hourly Compensation Range
The total Compensation range for this position is $81,200-$121,700 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 strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families.
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.
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.
See All 25 Technical Representative Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
Find Technical Representative JobsTechnical Representative Jobs by City in Illinois
Where Illinois roles are concentrated, by current openings.
Technical Representative Job Market in Illinois
A snapshot from current Illinois openings, updated as new roles post.
Who's Hiring


Top Industries Hiring
- Manufacturing
What Illinois Employers Look For
The qualifications that appear most often in technical representative jobs across Illinois.
- Bachelor's degree in engineering, industrial technology, or a closely related technical field
- Two or more years of hands-on experience with industrial or mechanical equipment
- Proven ability to read and interpret technical schematics, drawings, and product manuals
- Strong customer-facing communication skills for field support and client training
- Familiarity with CRM software and field service management tools
- Valid driver's license and ability to travel to customer sites across Illinois
Technical Representative Jobs in Illinois: Frequently Asked Questions
How do you become a technical representative in Illinois?
Most Illinois employers expect a bachelor's degree in engineering, industrial technology, or a related field, though associates with strong field experience are competitive for entry roles. Illinois does not require a state-issued license specifically for technical representatives, so the path centers on education, product training, and employer certification programs. Manufacturers like Caterpillar and Illinois Tool Works run structured onboarding that qualifies new hires on specific product lines before they go into the field.
Which companies hire technical representatives in Illinois?
Companies currently hiring technical representatives in Illinois include Ecolab, Prairie Materials, and MSI Technology, per current listings on Migrate Mate as of October 2026. Illinois's strong manufacturing and industrial equipment base means demand is especially consistent among companies with Midwest distribution or production operations.
Which Illinois cities have the most technical representative jobs?
Chicago, Arlington Heights, and Buda have the most technical representative openings in Illinois. Chicago drives volume through its concentration of corporate headquarters and distribution hubs, while Peoria and Rockford reflect the heavy-equipment and precision-manufacturing employers that have anchored those metros for decades.
Are there remote technical representative jobs in Illinois?
Yes, but they're rare. Technical representative work is largely field-based, requiring on-site visits, equipment demonstrations, and hands-on troubleshooting at customer locations. About 50% of technical representative openings tied to Illinois are remote or hybrid as of October 2026, and those positions tend to concentrate in inside sales support or technical documentation rather than core field representative duties.
How can I get hired as a technical representative in Illinois with little or no experience?
The most realistic entry path is through an associate technical support or field service trainee role, which large Illinois manufacturers regularly post as a starting point. Caterpillar's early-career service programs and Illinois Tool Works' product training tracks both bring in candidates without full field experience and develop them on specific equipment lines. A relevant two-year or four-year technical degree, a strong internship with an industrial distributor, or an entry role in inside technical sales at a Chicago-area industrial supplier all open the door to field-facing positions within one to two years.
Where can I find and apply to technical representative jobs in Illinois?
You can find and apply to technical representative jobs in Illinois on Migrate Mate, which lists current Illinois openings across industries and experience levels. Search the roles that match your background and apply directly to the ones that fit.
See All 25 Technical Representative Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
Find Technical Representative Jobs