Top Process Engineer Jobs in Chicago, IL

Own CNC process development and design machining workflows, integrate automation systems, optimize toolpaths, collaborate across teams, and lead yield improvement efforts.

Design, develop, and implement new or revised manufacturing processes and equipment. Plan operation sequences, optimize cost, yield, and waste, run process tests, support continuous improvement and automation, and resolve process problems under general supervision.

Owner of supplier quality processes: audit and validate supplier capabilities, perform PFMEA, PPAP/ISIR, product audits, manage 8D corrective actions, develop process control plans, support supplier development, partner with sourcing/engineering, and conduct regulatory and on-site supplier risk assessments (travel up to 25%).

Support capital projects and implement integrated process solutions including equipment selection, vendor/contractor management, P&ID/PFD-based design, instrumentation/control integration, construction management, and start-up support for $2M–$10M projects.

Drive manufacturing process improvements using data-driven analysis, Lean and Six Sigma methods to increase throughput, reduce scrap and downtime, standardize work, and support new equipment validation across machining, fabrication, assembly, and finishing.

Lead design and implementation of process projects ($2M–$10M) including equipment selection, P&ID and sanitary design, vendor/contractor management, procurement, schedule and budget oversight, construction support, and start-up activities while supporting client development and project execution.

Lead process engineering for colloidal silica and latex manufacturing, support operations troubleshooting, drive continuous improvement, safety (PSM), SPC development, new product scale-up, and documentation. Mentor operations and integrate process visualization with control systems.

The Manufacturing Process Engineer oversees and improves manufacturing processes, utilizes Lean and Six Sigma tools, and supports production while ensuring safety and cost-effectiveness.

The Process Engineer will optimize plastic blow molding processes, troubleshoot issues, train staff, and develop strategies to improve efficiency and reduce costs.

Designs and leads manufacturing process improvement projects using Lean/Six Sigma and engineering best practices. Supports multiple plants, analyzes data, develops standard work, prepares cost justifications, trains staff, and drives OEE, safety, quality, and cost-reduction initiatives.

Analyze and improve manufacturing processes across multiple sites using Lean/Six Sigma and OEE metrics. Lead process and capital projects, develop standard work, train staff, prepare cost justifications and reports, and drive continuous improvement and quality to reduce cost and improve customer experience.

The Staff PIC Process Development Engineer will lead the development and optimization of InP photonic integrated circuit fabrication processes for high-volume manufacturing, collaborate with teams, and provide technical leadership.

Serve as a part-time Principal Process Engineer SME providing technical guidance, design review, process safety evaluation, and mentorship to process engineering teams on complex manufacturing projects. Support process design, pressure relief analysis, instrumentation selection, and best-practice engineering recommendations without routine project execution or client management.

Lead design, optimization, and standardization of manufacturing processes across plants. Develop P&IDs and process flow diagrams, drive process improvements, root-cause analysis, MOC documentation, and scale best practices enterprise-wide while collaborating with operations, maintenance, quality, and supply chain.

Lead basic process design for unit operations, create design basis, BFDs/PFDs/P&IDs, build Aspen HYSYS simulations, perform hydraulic and equipment sizing, design safety relief devices, interface with clients, provide field support, and deliver code-compliant work on schedule and within budget.

Design, build, test, and deploy intelligent automation workflows and cognitive solutions. Optimize processes using RPA, ML/AI integrations, create monitoring/analytics, define standards, mentor junior staff, and manage risks and escalations.

The Associate Process Engineer will lead and assist in process design, conduct technical evaluations, develop design documentation, and provide field support for engineering projects.

Lead and assist in process design for refinery and industrial applications, conduct evaluations, develop technical documentation, and manage field execution.

Lead the design of processes for refinery and chemical facilities, overseeing evaluations, calculations, and equipment specifications while providing technical support and team leadership.

Optimize manufacturing processes for Greif's steel drum plants through trials, root-cause analysis, instrumentation calibration, process validation, and continuous improvement. Support productivity, quality, safety, cost reduction, and lead small projects while training and partnering with cross-functional plant teams.

Lead process engineering team to develop PFDs and P&IDs, size and rate equipment, perform hydraulic and relief/flare analyses, participate in HAZOP/LOPA and PHA reviews, ensure regulatory compliance, mentor junior engineers, estimate project resources, and present technical information to clients and peers.

Design and analyze chemical process systems: produce PFDs, P&IDs, heat and material balances, process simulations, and equipment datasheets. Size and rate pumps, vessels, exchangers, and relief systems; perform hydraulic and flare header analysis. Prepare instrument and line lists, process descriptions, and participate in HAZID/HAZOP reviews. Support projects as an individual contributor and present technical information to clients and peers.

Develop PFDs and P&IDs; perform heat and material balances, hydraulic and relief system analyses; size and rate pumps, vessels, exchangers; support HAZOP/LOPA; ensure safety and regulatory compliance; estimate and track budgets; present technical information and may supervise a small engineering team.

Lead process development and continuous improvement for opto-mechanical EOIR assembly. Create manufacturing work instructions, tooling/fixtures, support production, recommend design-for-manufacturability changes, manage projects, and present executive-level status. Coordinate across engineering, production, quality, and program teams.

Serve as process engineer on industrial water and wastewater projects, designing treatment systems (physical/chemical, biological, membranes, evaporation), preparing drawings/specifications/calculations, performing field work and pilot testing, supporting construction, startup and commissioning, mentoring junior staff, and supporting business development and client presentations.