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Sr Process Engineer Jobs in Chicago, IL (NOW HIRING)

Senior Process Engineer A

Vernon Hills, IL · On-site

$103K - $133K/yr

Senior Process Engineer A Job Location: Vernon Hills, Illinois United States At Tetra Pak we commit to making food safe and available, everywhere; and we protect what's good - protecting food ...

Senior Process Development Engineer

Chicago, IL · On-site

$107K - $138K/yr

The Senior Process Development Engineer is responsible for leading complex process research and development activities to enable the successful scale-up, optimization, and industrialization of new ...

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.

Senior Legal Process Engineer

Chicago, IL · On-site

$107K - $138K/yr

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 ...

Senior Legal Process Engineer

Chicago, IL · On-site

$107K - $138K/yr

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 ...

Senior Legal Process Engineer

Chicago, IL · On-site

$107K - $138K/yr

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 ...

Showing results 21-40

Sr Process Engineer information

See Chicago, IL salary details

$77.3K

$124.9K

$175.8K

How much do sr process engineer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for sr process engineer in Chicago, IL is $124,865.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,200.00 and $138,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Sr Process Engineer?

To thrive as a Sr Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often with a bachelor's or master's degree and relevant industry experience. Familiarity with process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and knowledge of safety and regulatory standards are typically required. Strong problem-solving, project management, and communication skills help distinguish top performers in this role. These skills and qualifications are vital for optimizing processes, ensuring efficiency and safety, and driving continuous improvement in complex manufacturing environments.

What is a Sr Process Engineer?

Senior Process Engineers are experienced professionals responsible for designing, optimizing, and overseeing the processes used in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and implement improvements to increase efficiency, reduce costs, and ensure product quality. Sr Process Engineers often lead teams, manage projects, and work closely with other departments such as quality assurance, maintenance, and operations. Their expertise is crucial in industries like chemicals, pharmaceuticals, oil and gas, and food processing. They typically hold a degree in engineering and have several years of experience in process engineering roles.

How does a Sr Process Engineer typically collaborate with cross-functional teams to improve manufacturing efficiency?

Sr Process Engineers work closely with teams such as production, quality assurance, maintenance, and R&D to identify areas for process optimization. They often lead or participate in cross-functional meetings to gather data, analyze workflow bottlenecks, and implement solutions that enhance efficiency and product quality. Effective communication and project management skills are essential, as Sr Process Engineers must balance technical requirements with practical constraints while ensuring all stakeholders are aligned with proposed changes.

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

AspectSr Process EngineerProcess Engineer
QualificationsBachelor's degree in engineering, 5+ years experience, certifications like Six SigmaBachelor's degree in engineering or related field, 1-3 years experience
ResponsibilitiesLead process improvements, optimize manufacturing processes, mentor junior staffAssist in process development, data collection, support process optimization
Work EnvironmentManufacturing plants, industrial facilities, cross-functional teamsManufacturing settings, engineering teams, project-based tasks

The main difference between a Sr Process Engineer and a Process Engineer lies in experience, responsibility level, and scope of work. The Sr Process Engineer typically leads projects, mentors others, and has more advanced qualifications, while the Process Engineer supports and executes process improvements under supervision.

What job categories do people searching Sr Process Engineer jobs in Chicago, IL look for? The top searched job categories for Sr Process Engineer jobs in Chicago, IL are:
What cities near Chicago, IL are hiring for Sr Process Engineer jobs? Cities near Chicago, IL with the most Sr Process Engineer job openings:
Infographic showing various Sr Process Engineer job openings in Chicago, IL as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $124,865 per year, or $60 per hour.

Sr. Molding Engineer

Sterling Engineering Inc.

Lincolnshire, IL

$100K - $135K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago

New


Job description

Sr. Process Engineer – LSR / Rubber Molding

Lincolnshire, IL | Direct Hire | $100,000–$135,000

Are you an expert in Liquid Silicone Rubber (LSR), High Consistency Rubber (HCR), or rubber/plastics molding?
We're looking for a Senior Process Engineer to lead the development, optimization, and troubleshooting of silicone and rubber molding processes. If you've built robust molding processes for LSR, HCR, silicone, rubber, or precision plastic components, this is an opportunity to make a significant impact.

What You'll Do
  • Develop and optimize LSR injection molding processes
  • Improve HCR injection, compression, and transfer molding processes
  • Lead DOE studies to improve Cp/Cpk, reduce variation, and increase process capability
  • Optimize cycle times, reduce scrap, and improve OEE
  • Troubleshoot molding issues including:
    • Flash
    • Short shots
    • Cure variations
    • Knit lines
    • Voids
    • Dimensional variation
  • Establish standardized process parameters and work instructions
  • Lead root cause investigations using 5 Why, 8D, Fishbone, and other problem-solving tools
  • Support new product launches, mold qualifications, and production transfers
  • Partner with Tooling, Production, Quality, Maintenance, and NPI teams
  • Drive continuous improvement through Lean, Kaizen, SPC, and data analysis
What We're Looking For
Silicone/Rubber Molding Experience is Highly Preferred
We're specifically looking for engineers with hands-on experience in one or more of the following:
  • Liquid Silicone Rubber (LSR) injection molding
  • High Consistency Rubber (HCR) molding
  • Silicone molding
  • Rubber molding
  • Injection molding
  • Compression molding
  • Transfer molding
  • Precision plastics manufacturing
  • Medical silicone components
  • Industrial rubber products
  • Automotive rubber or plastic components
Qualifications
  • Bachelor's degree in Mechanical, Manufacturing, Plastics, Polymer, Materials, or related Engineering
  • 5+ years of process engineering experience in silicone, rubber, or plastics manufacturing
  • Strong knowledge of:
    • Scientific molding
    • DOE
    • SPC
    • Process validation
    • APQP/PPAP (preferred)
    • GD&T and engineering drawings
  • Proven ability to solve complex molding and manufacturing challenges
Preferred Experience
  • Medical device manufacturing
  • Automotive, aerospace, or industrial products
  • Mold flow analysis
  • SolidWorks or other 3D CAD software
  • Automation and vision inspection
  • Overmolding and multi-shot molding
  • RJG or Paulson certification
  • ISO 13485 or cleanroom manufacturing
Compensation & Benefits
  • $100,000–$135,000
  • Comprehensive medical, dental, and vision insurance
  • 401(k)
  • Paid Time Off
  • Employee stock grant
  • Career growth with a global manufacturing leader
If your background is centered around LSR, silicone molding, rubber molding, elastomers, or precision plastics manufacturing, we'd love to connect.