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29 principal process engineer jobs at 14 companies in Joliet, IL

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Principal Engineer Process
Rolling Meadows, Illinois, United States
$98k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor’s or Master’s in engineering with 3-5 years (MS: 3+ yrs) in opto-mechanical/EOIR; ability to obtain Secret clearance; US citizenship; 10% travel; on-site Rolling Meadows, IL.
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Principal Process Engineer
Clearing or Chicago
$101k-$152k/yr OnsiteFull Time
Ecolab
EcolabNYSE: ECL: Provides water, hygiene, and infection prevention solutions and services.
7+ YOEBachelor's in Chemical Engineering (or related), 7+ years chemical manufacturing experience, PSM facility experience, DCS/PLC/HMI knowledge, MS Office proficiency, strong communication and cross-functional collaboration skills.
DCS, PLC, HMI, Microsoft Office
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Principal Engineer, R&D - Process Technology
Glenview, Illinois, United States
$104k-$130k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Manufacturer and global marketer of food and beverage products.
6+ YOEBS in engineering required; 6+ years R&D/engineering experience (reduced with advanced degree). Hands-on scale-up, pilot trials, CQV/FMEA experience; strong project management and technical communication skills; willingness to travel up to 25%.
Microsoft Project, Smartsheet, Jira, Microsoft Excel, SAP
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Sr. Principal Engineer, R&D - E2E Complex Processing Project Delivery
Glenview or Warrendale
$121k-$151k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Produces and sells condiments, dairy products, and packaged foods.
8+ YOEBachelor's in engineering required (MS/PhD preferred), 8+ years R&D/engineering experience in consumer goods/food/pharma, hands-on end-to-end processing project delivery, CQV/FMEA/CPRA experience, project tool and ERP proficiency.
CQV, FMEA, CPRA, Microsoft Project, Smartsheet, Jira, Microsoft Excel, SAP
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Principal Process Associate (Intelligent Automation Engineer)
McLean or Richmond or Riverwoods or Wilmington
$99k-$124k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A diversified financial services providing banking and credit products.
2+ YOEBachelor's degree or military experience, 2+ years in process management, 2+ years with Git or GitHub, and preferred automation engineering and technology project delivery experience.
Git, GitHub, UiPath, Automation Anywhere, Blue Prism, Python, OCR, NLP, Generative AI, machine learning, artificial intelligence
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Principal Process Associate (Intelligent Automation Engineer)
McLean or Richmond or Riverwoods or Wilmington
$99k-$124k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Provides credit card, banking, and auto loan services.
2+ YOEBachelor’s degree or military experience; 2+ years in process management and Git or GitHub; preferred automation engineering, technology project delivery, and intelligent automation platform experience.
Git, GitHub, UiPath, Automation Anywhere, Blue Prism, Python, OCR, NLP
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3mo
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Principal Product Design Engineer - United States
Lisle, Illinois, United States
$125k-$170k/yr OnsiteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
10+ YOEBachelor’s in Mechanical Engineering; 10+ years in electro-mechanical design; experience with electronics product development, FEA, GD&T; advanced 3D CAD; experience with manufacturing processes.
Siemens NX, FEA, GD&T, 3D CAD, Mechanical design tools
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Principal Process Associate (Intelligent Automation Engineer)
McLean or Richmond or Wilmington or Riverwoods
$99k-$124k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
2+ YOEBachelor's degree or military experience; 2+ years process management and Git/GitHub experience; experience with automation platforms (UiPath, Automation Anywhere, Blue Prism, Python), ML/AI integrations, and technology project delivery preferred.
Git, GitHub, UiPath, Automation Anywhere, Blue Prism, Python
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Associate Principal
Chicago, Illinois, United States
$170k-$185k/yr OnsiteFull Time
Clayco
Clayco: Full-service design-build, construction, and real estate development firm.
8+ YOEBachelor's in Chemical or Mechanical Engineering from an ABET-accredited institution, 8–15+ years of industrial process engineering experience, and successful completion of the PE exam. Requires process design and leadership expertise.
AFT Fathom, AFT Arrow, HTRI, Process Flow Diagrams (PFDs), Piping & Instrumentation Diagrams (P&IDs)
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Principal Mechanical Engineer
Westchester or North Kansas City or Indianapolis
HybridFull Time
Ingredion
IngredionNYSE: INGR: Produces plant-based ingredients like starches, sweeteners, and proteins.
Extensive mechanical engineering experience for utilities and process equipment across multi-site manufacturing; bachelor’s or master’s in mechanical engineering or equivalent experience; subject matter expertise in material handling, rotating equipment, boilers, tanks, and mechanical design.
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Principal Chemical Engineer
Des Plaines or Houston
$162k-$190k/yr HybridFull Time
Honeywell
HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.
10+ YOEBachelor's in Chemical or Mechanical Engineering,10+ years in gas processing/gas treating/hydrogen technologies,5+ years customer-facing experience,proficiency with Microsoft Office,25% travel,US Person required.
Separex, LNG treating, Gas Processing, Russell, MolSiv, Benfield, Carbon Capture, Ortloff, PSA, Microsoft Office Suite, Microsoft Excel, Microsoft Word
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Principal Mechanical Design Engineer
Hazel Crest, Illinois, United States
$125k-$155k/yr OnsiteFull Time
The Lanco Group
The Lanco Group: Manufactures specialized heavy lifting and material handling equipment.
10+ YOEBachelor's in engineering, 10+ years mechanical/structural/heavy equipment design experience, strong CAD (Inventor, AutoCAD, SolidWorks), knowledge of manufacturing processes, documentation and standards, leadership and mentoring skills.
Autodesk Inventor, AutoCAD, SolidWorks, Microsoft Excel, Microsoft Word
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2mo
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Principal Advanced Manufacturing Engineer 
Chicago, Illinois, United States
$155k-$205k/yr OnsiteFull Time
S&C Electric Company
S&C Electric Company: Manufactures switching and protection equipment for the electrical grid.
10+ YOEBachelor's in engineering required (Master's preferred); 10+ years delivering new products in high-volume manufacturing; expertise in process design, DFMA, lean/Value Stream and project leadership; preferred LSS/DFSS/DFMA/PMP.
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Principal Polymer Engineer - CMP Pads
Aurora or Hillsboro
$140k-$187k/yr OnsiteFull Time
Entegris
EntegrisNASDAQ: ENTG: Develops materials and purification solutions for semiconductor manufacturing.
5+ YOEPh.D.+5 yrs or M.S.+8 yrs in polymer science/chemical engineering/materials; deep polymer structure–property–processing knowledge; experience with polymer processing, characterization (DMA, DSC, TGA, FTIR, rheology), DOE and statistical analysis; polyurethane experience preferred.
Design of Experiments (DOE), DMA, DSC, TGA, FTIR, rheology, microscopy, mechanical testing
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Principal Engineer- Eng Project Management
Plano or Purchase or Chicago
$111k-$185k/yr OnsiteFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global food and beverage manufacturer and distributor.
7+ YOEBachelor's degree in engineering and 7–9 years of project engineering experience in manufacturing, equipment installation, packaging, processing, utilities, and project management; strong people leadership skills required.
SAP myBuy, Microsoft Excel, Microsoft PowerPoint, CAD, MS Project
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2d
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Principal Engineer- Eng Project Management
Plano or Purchase or Chicago
$111k-$185k/yr OnsiteFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Produces and distributes global snack and beverage products.
7+ YOEBachelor's degree in engineering and 7–9 years of project engineering experience in manufacturing, equipment installation, packaging, processing, utilities, and project management; travel up to 30–50%.
SAP myBuy, Microsoft Excel, Microsoft PowerPoint, CAD, Microsoft Project, TPM, LSS
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1w
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Principal Engineer, RF Power Amplifier Architect
Arlington Heights, Illinois, United States
$221k-$287k/yr OnsiteFull Time
Murata
MurataTokyo Stock Exchange: 6981: Murata manufactures electronic components and wireless connectivity modules.
15+ YOERequires a master's degree in Electrical Engineering, 15+ years of RF FEM development, extensive RF power amplifier and RFIC design experience, and expertise in GaAs, CMOS-SOI, SiGe, and GaN processes.
Virtuoso, Cadence Spectre, Keysight ADS, EM software, Matlab, JMP
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Principal Business Analyst
Chicago, Illinois, United States
$120k-$150k/yr RemoteFull Time
Prenosis
Prenosis: AI-powered precision medicine platform for acute care diagnostics.
7+ YOE7+ years in business analysis/product/requirements engineering with 2+ years owning a requirements process; strong elicitation, written communication, and traceability experience; familiarity with regulated healthcare standards.
Jira, Confluence, Azure DevOps, Jama Connect, ReqView, IBM DOORS
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