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Senior Process Engineer Jobs in Plainfield, IL (NOW HIRING)

Arco Ltd

Senior Wastewater Process Engineer

Chicago, IL · On-site

$135 - $175/hr

  • Medical

  • Dental

  • Vision

  • Retirement

ABOUT YOU BlueWTR is hiring a Senior Process Engineer/Design PM to lead process design and technical delivery on industrial water and wastewater projects across hyperscale data center, RNG/biogas ...

New

Amsted Industries

Senior Process Engineer (Cold Forming)

Geneva, IL · On-site

$95K - $150K/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Amsted Automotive is looking for a Cold forming Engineers Specializing in Design and/or Process to ... Ability to effectively communicate from the shop floor to senior leadership * CAD experience ...

Westrock

Sr. Eng, Process Eng

Woodridge, IL · On-site

$90K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Process Engineer The Opportunity: The Process Engineer will work within the structure of the Operations Excellence team to lead and participate in production and process improvement activities ...

Amsted Industries

Senior Process Engineer (Cold Forming)

Geneva, IL · On-site

$101K - $131K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Amsted Automotive is looking for a Cold forming Engineers Specializing in Design and/or Process to ... Ability to effectively communicate from the shop floor to senior leadership * CAD experience ...

Smurfit Westrock

Sr. Eng, Process Eng

Woodridge, IL · On-site

$90K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Process Engineer The Opportunity: The Process Engineer will work within the structure of the Operations Excellence team to lead and participate in production and process improvement activities ...

Gotion, Inc.

Junior Process Engineer

Manteno, IL · On-site

Working under the guidance of senior process engineers, this role assists with production ramp-up, documentation, data analysis, and on-site problem-solving in a high-volume manufacturing environment.

Cooley

Senior Legal Process Engineer

Chicago, IL · On-site

$107K - $138K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

Senior Legal Process Engineer Cooley is seeking a Senior Legal Process Engineer to join the Practice Engineering team. Position summary : As the leading technology law firm, Cooley is determined to ...

Cooley LLP

Senior Legal Process Engineer

Chicago, IL

$107K - $138K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

Senior Legal Process Engineer Cooley is seeking a Senior Legal Process Engineer to join the Practice Engineering team. Position summary : As the leading technology law firm, Cooley is determined to ...

Inc. (Vti)

Senior Process Facilities Engineer

Chicago, IL · On-site

$90 - $120/hr

Senior Process Facilities Engineer - OTC cGMP Facility Relocation and Manufacturing Integration Project The project includes the relocation and integration of existing compounding systems, process ...

VTI Life Sciences

Senior Process Facilities Engineer

Chicago, IL · On-site

$107K - $138K/yr

  • Medical

  • Life

  • Retirement

We are looking for a Senior Process Facilities Engineer to support an OTC cGMP Facility Relocation and Manufacturing Integration Project. The project includes the relocation and integration of ...

VTI Life Sciences

Senior Process Facilities Engineer

Chicago, IL · On-site

$107K - $138K/yr

  • Medical

  • Life

  • Retirement

We are looking for a Senior Process Facilities Engineer to support an OTC cGMP Facility Relocation and Manufacturing Integration Project. The project includes the relocation and integration of ...

Gotion, Inc.

Junior Process Engineer

Manteno, IL · On-site

Working under the guidance of senior process engineers, this role assists with production ramp-up, documentation, data analysis, and on-site problem-solving in a high-volume manufacturing environment.

Sterling Engineering Inc.

Process Engineer

Bolingbrook, IL

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Process Engineer Location : Bolingbrook, IL 60440 Hire Type: Direct Hire Salary Range : $95,000-$125,000 + Consistent Bonus Program Industry : Advanced Manufacturing Benefits : Medical, Dental ...

Sterling Engineering Inc.

Process Engineer

Chicago, IL

$85K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Process Engineer Location : Chicago, IL 60639 Shift/Schedule : Monday-Friday | 1st Shift | On-Site Pay : $85k-$100k Hire Type: Direct Hire Benefits: A comprehensive benefits package is offered ...

Greif, Inc.

Sr. Process Technician

Lockport, IL · On-site

$90K - $153K/yr

  • Medical

  • Dental

  • PTO

The Senior Process Technician serves as a subject matter expert for blow-molding processes ... Collaborate with Production, Maintenance, and Engineering to eliminate recurring defects, equipment ...

Greif

Sr. Process Technician

Alsip, IL

$90K - $153K/yr

  • Medical

  • Dental

  • PTO

The Senior Process Technician serves as a subject matter expert for blow-molding processes ... Collaborate with Production, Maintenance, and Engineering to eliminate recurring defects, equipment ...

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Showing results 21-40

All JobsProcess Engineer JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Plainfield, IL

Senior Process Engineer information

See Plainfield, IL salary details

$73.1K

$118.1K

$166.2K

How much do senior process engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior process engineer in Plainfield, IL is $118,052.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,400.00 and $131,100.00 per year, depending on experience, location, and employer.

What is the difference between Senior Process Engineer vs Process Engineer?

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

What are the key skills and qualifications needed to thrive as a senior process engineer?

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What does a senior process engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

How much does a senior process engineer earn?

A senior process engineer typically earns between $80,000 and $130,000 annually, depending on experience, industry, and location. They often have specialized skills in process optimization, project management, and may hold certifications like Six Sigma or PE licensure.

What are some common challenges senior process engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.

What are the most commonly searched types of Process Engineer jobs in Plainfield, IL?

The most popular types of Process Engineer jobs in Plainfield, IL are:

What are popular job titles related to Senior Process Engineer jobs in Plainfield, IL?

For Senior Process Engineer jobs in Plainfield, IL, the most frequently searched job titles are:

What job categories do people searching Senior Process Engineer jobs in Plainfield, IL look for?

The top searched job categories for Senior Process Engineer jobs in Plainfield, IL are:

What cities near Plainfield, IL are hiring for Senior Process Engineer jobs?

Cities near Plainfield, IL with the most Senior Process Engineer job openings:

Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Plainfield, IL as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 17% Part Time, 1% Temporary, 5% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $118,052 per year, or $56.8 per hour.

Senior Wastewater Process Engineer

Arco Ltd

Chicago, IL • On-site

$135 - $175/hr

Other

Medical, Dental, Vision, Retirement

Posted yesterday

New

Job description

ABOUT YOU

BlueWTR is hiring a Senior Process Engineer/Design PM to lead process design and technical delivery on industrial water and wastewater projects across hyperscale data center, RNG/biogas, semiconductor, advanced manufacturing, and food & beverage markets. You'll own basis-of-design through commissioning on projects ranging from greenfield UPW systems to multi-hundred-MW cooling and reuse infrastructure, working inside a design-build structure with the full backing of ARCO/Murray's national platform.

This is a senior, client-facing role with ownership over process scope, deliverables, and technical decisions.

  • Location: Denver or Chicago
  • Travel: up to 20% domestically
WHAT WE CAN OFFER YOU

Expected compensation range: $135K - $175K + Bonus. This is an approximate range; actual salary may be higher or lower depending on your experience and skillset.

  • Industry-leading performance-based bonus program
  • Employee Stock Ownership Plan (ESOP)
  • Traditional and Roth 401(k)
  • Comprehensive medical, dental, and vision insurance
  • HSA and FSA options
  • Paid parental leave
  • Paid sabbatical and volunteer leave
  • Tuition reimbursement
  • Up to $28,000 in scholarships per child
  • 100% charitable match
  • Inclusive, ownership-driven workplace culture
A DAY IN THE LIFE
  • Lead process design on assigned industrial water and wastewater projects; membrane (UF/NF/RO), biological, chemical, solids handling, and reuse, from FEL through commissioning.
  • Own basis-of-design, mass balances, hydraulic profiles, PFDs, P&IDs, equipment layouts, and control narratives as primary author and approver.
  • Serve as the senior technical interface for clients, consulting engineers, and design-build partners; defend process decisions and translate them into executable scope.
  • Drive equipment selection, OEM evaluations, technical procurement, and submittal reviews.
  • Direct startup, commissioning, troubleshooting, and optimization in coordination with controls integrators and field teams.
  • Mentor junior engineers and review their deliverables; raise the technical bar across the process group.
  • Support business development through proposal input, scoping calls, and regional presence at industry events.
NECESSARY QUALIFICATIONS
  • 7–10 years in industrial water/wastewater process engineering or design-build process delivery.
  • Demonstrated ownership of PFDs, P&IDs, hydraulic profiles, mass balances, and basis-of-design packages on completed projects.
  • Hands-on experience with membrane systems (UF/NF/RO), biological treatment, chemical feed, and solids handling.
  • Strong client-facing communication; able to lead technical discussions with sophisticated industrial owners and their reps.
  • Experience inside design-build or EPC delivery, comfortable with cost, schedule, and constructability pressure on process decisions.
  • BS in Chemical, Environmental, or related engineering discipline.
Preferred Qualifications
  • PE license.
  • Direct project experience in hyperscale data center cooling, RNG/biogas, semiconductor UPW, or food & beverage process water.
  • Working knowledge of industrial controls, PLC/SCADA architecture, instrumentation, and process automation handoffs.
  • NPDES permitting and industrial discharge compliance experience.
  • Prior experience mentoring or formally managing other engineers.
MAKE YOUR MOVE

BlueWTR is ARCO/Murray's industrial water and wastewater solutions provider. We design and build process water, wastewater, reuse, and high-purity water infrastructure for clients in advanced manufacturing, RNG/biogas, semiconductor, food & beverage, and hyperscale data centers. Our work is technical, deadline-driven, and tied directly to clients' core business.

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