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Process Optimization Engineer Jobs in Illinois (NOW HIRING)

Process Optimization: Conduct site visits and investigations; analyze influent wastewater ... Professional Engineer Licensed required (PE) or the ability to obtain in 6-12 months * 4+ years of ...

Role Summary The Sr. Process Engineer position at Rivian will support our battery module and ... Coordinate with the team to determine and introduce optimum plant layout, equipment, tooling, and ...

Senior Dairy Processing Engineer

Chicago, IL · On-site

$107K - $138K/yr

The Sr. Dairy Processing Engineer will come in with deep technical expertise in fluid milk membrane ... Process design, scale-up, and optimization * Define critical process parameters, key performance ...

This role provides hands-on exposure to manufacturing operations, process optimization, equipment introduction, and quality control systems. The intern will work closely with engineers and production ...

Senior Dairy Processing Engineer

Chicago, IL

$107K - $138K/yr

The Sr. Dairy Processing Engineer will come in with deep technical expertise in fluid milk membrane ... Process design, scale-up, and optimization * Define critical process parameters, key performance ...

Senior Dairy Processing Engineer

Chicago, IL · On-site

$107K - $138K/yr

The Sr. Dairy Processing Engineer will come in with deep technical expertise in fluid milk membrane ... Process design, scale-up, and optimization * Define critical process parameters, key performance ...

This role is highly hands-on and will focus on manufacturing process optimization, troubleshooting ... engineering drawings, schematics, and technical specifications • Validate new processes ...

We are seeking an experienced fermentation scientist/engineer to lead the design, optimization, and scale-up of commercial ethanol fermentation processes. The ideal candidate is a hands-on technical ...

... process optimization and automation. Minimum Qualifications * Education: Bachelor's degree in Information Technology, Computer Science, Engineering, Healthcare, or a related field (or equivalent ...

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Process Optimization Engineer information

See Illinois salary details

$48K

$89.2K

$138.1K

How much do process optimization engineer jobs pay per year?

As of Jul 2, 2026, the average yearly pay for process optimization engineer in Illinois is $89,167.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,200.00 and $99,800.00 per year, depending on experience, location, and employer.

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

To thrive as a Process Optimization Engineer, you need a solid background in engineering principles, process analysis, and data-driven problem solving, often supported by a degree in chemical, industrial, or mechanical engineering. Familiarity with process simulation software, Six Sigma or Lean certifications, and advanced data analytics tools is typically required. Exceptional analytical thinking, strong communication, and a collaborative mindset help drive continuous improvement initiatives and facilitate cross-functional teamwork. These skills and qualities are crucial for identifying inefficiencies, implementing sustainable solutions, and maximizing operational productivity.

How does a Process Optimization Engineer typically collaborate with cross-functional teams to implement improvements?

Process Optimization Engineers work closely with various departments such as production, quality, maintenance, and supply chain to identify inefficiencies and develop solutions. Collaboration often involves facilitating workshops, analyzing data with team members, and ensuring that proposed changes align with both operational goals and compliance requirements. Effective communication and project management skills are essential, as the engineer must coordinate feedback, gain buy-in, and oversee the implementation of process improvements across multiple teams.

What does a Process Optimization Engineer do?

A Process Optimization Engineer analyzes, designs, and improves industrial processes to maximize efficiency, reduce costs, and ensure quality. They use data-driven techniques and engineering principles to identify bottlenecks, implement solutions, and monitor performance. Their work often involves collaborating with cross-functional teams to integrate new technologies or methodologies, leading to safer and more productive operations. Process Optimization Engineers are vital in manufacturing, chemical, and other process-driven industries.

What is the difference between Process Optimization Engineer vs Manufacturing Engineer?

AspectProcess Optimization EngineerManufacturing Engineer
Primary FocusImproving processes for efficiency and qualityDesigning and implementing manufacturing systems
CertificationsLean, Six Sigma, process improvement certificationsSix Sigma, CAD, manufacturing certifications
Work EnvironmentProduction lines, process labs, continuous improvement teamsFactory floors, design offices, production planning
Industry UsageManufacturing, automotive, aerospace, consumer goodsManufacturing, industrial equipment, electronics

The Process Optimization Engineer focuses on analyzing and improving existing processes to enhance efficiency, quality, and cost savings. In contrast, the Manufacturing Engineer designs and implements manufacturing systems and equipment. Both roles often collaborate but serve different core functions within manufacturing operations.

What are popular job titles related to Process Optimization Engineer jobs in Illinois? For Process Optimization Engineer jobs in Illinois, the most frequently searched job titles are:
Infographic showing various Process Optimization Engineer job openings in Illinois as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $89,167 per year, or $42.9 per hour.

Wastewater Treatment Process Engineer

GFT.

Chicago, IL • Hybrid

$80K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago


Job description

GFTis seeking a Wastewater Treatment Process Engineer to join our Water team!This role follows a hybrid work model, requiring regular attendance at one of our many offices. 

What you'll be challenged to do: 

In this role you will lead and support design of wastewater treatment through evaluation of existing processes and facilities; treatment assessments; design of improvements, expansions, and new facilities; permitting; and construction administration. Responsibilities will include conducting site visits, completing treatment studies and developing treatment process recommendations, preparing reports and design documents, and supporting permitting efforts.

 

In this capacity, the successful candidate will be responsible for the following:

  • System Design:Lead and support the planning and process evaluation of wastewater processes, including biological nutrient removal, sludge handling, and filtration processes.
  • Process Optimization:Conduct site visits and investigations; analyze influent wastewater characteristics, facility design, and operating data to assess treatment performance; and provide recommendations for treatment and process improvements.
  • Studies and Evaluation:Plan and execute bench, pilot, and full-scale studies to meet project goals; assess test results and facility operating data to develop process recommendations; and preparation of required reports.
  • Technical:Function as a technical specialist in the areas of conventional and advanced wastewater treatment. Use processes such as physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bio-reactors (MBR), sidestream treatment, tertiary filtration, auxiliary wet-weather treatment, and disinfection

What you will bring to our firm: 

  • BS in Civil, Environmental, Chemical Engineering (MS is preferred)
  • Professional Engineer Licensed required (PE) or the ability to obtain in 6-12 months
  • 4+ years of experience required in wastewater treatment discipline, particularly as a wastewater engineer involved with planning and/or process evaluation of wastewater treatment facilities
  • Expert knowledge in standard engineering techniques and procedures.
  • EPC project experience preferred; design and construction of wastewater treatment facilities, including three or more years leading process design of wastewater projects with full responsibility for the budget, schedule, contractual obligations, client service, and quality standards preferred.
  • Demonstrated experience and knowledge in preliminary treatment, primary treatment, biological treatment (including BNR), disinfection, hydraulics, and solids processing and handling preferred.
  • Successful track record leading wastewater process and plant facilities projects background and the willingness to take on new challenges.

What we prefer:

  • Experience with biological modeling software such as BioWin, GPS-X, and Sumo.
  • Experience working directly with Environmental Regulators (i,e. NJDEP, PADEP, MDE, NYDOH etc). 
Compensation:The salary range for this role is $80,000 - $180,000. Salary is dependent upon experience and geographic location. Featured Benefits:  Hybrid (in-person and remote) work environment. Comprehensive benefits package including wellness programs, parental leave, and pet insurance, in addition to medical, dental, vision, disability, and life insurance. Tax-deferred 401(k) savings plan. Competitive paid-time-off (PTO) accrual. Tuition reimbursement for continued education. Commitment to professional development, access to internal and external training programs, and support of active participation in professional organizations Incentive compensation for eligible positions.

At GFT, a privately held AEC firm, we innovate where transportation, water, power, and buildings converge. We call this the Infrastructure of Life. We measure our success by the strength of our relationships - that's why we're the employer of choice for 5,000+ of the industry's brightest engineers, planners, architects, inspectors, designers, and more.

Our clients choose us for our expertise and prefer us for our nimble approach, creativity, and personal touch. Backed by over a century's experience, together we're building a lasting legacy for future generations: stronger communities, a healthier planet, and better lives.GFT: Ingenuity That Shapes Lives is an Equal Opportunity Employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veterans' status or other characteristics protected by law.

Unsolicited resumes from third party agencies will be considered the property GFT.

GFT does require the successful completion of a criminal background check for all advertised positions. 

Location: Chicago or Schaumburg, ILCore Business Hours: 8:00 AM - 5:00 PMEmployment Status: Full-Time

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Employment Type: FULL_TIME