Top Process Engineer Jobs in Chicago, IL

Leads process design and technical evaluations for refinery, chemical, and industrial facilities. Responsibilities include developing PFDs and P&IDs, performing process and equipment calculations, specifying equipment, preparing construction scopes, supporting field execution and turnarounds, interfacing with clients and contractors, and mentoring technical teams. The role requires strong knowledge of refinery and chemical operations, API and ASME standards, and field work capabilities.

Leads process design and technical evaluations for refinery, chemical, and industrial facilities. Designs process equipment, develops PFDs and P&IDs, performs engineering calculations, prepares equipment specifications and construction work packages, and supports field execution and turnaround projects. The role directs client and contractor interfaces, assists with constructability and estimates, and mentors technical teams while ensuring compliance with API standards and ASME codes.

Process Engineer responsible for developing and optimizing CNC manufacturing processes from quoting through delivery. Duties include creating manufacturing and inspection plans, analyzing CAD designs, designing fixtures, coordinating with machinists, purchasing, quality, and suppliers, establishing material and tooling requirements, reviewing feasibility and profitability, and improving production efficiency while maintaining quality standards for medical and aerospace products.

Owns and improves semiconductor assembly processes, especially wirebond and eutectic die attach, to increase yield, efficiency, reliability, and equipment performance. Leads process development, tool selection, installation, qualification, and new product introduction. Conducts statistical experiments and failure analysis, creates operating procedures, trains personnel, and collaborates with cross-functional engineering and manufacturing teams in a cleanroom and 24/7 factory environment.

Develop, qualify, and optimize wet etch and wet clean processes for InP photonic integrated circuits. Improve etch performance, surface quality, contamination control, uniformity, yield, and manufacturability using physics-based analysis, DOE, SPC, and advanced analytics. Provide technical leadership during production excursions, support 24/7 manufacturing operations, develop wet chemistry formulations, and drive process improvements across photonic device fabrication.

Lead development, qualification, optimization, and production support for thin-film and metallization processes used in InP photonic integrated circuits. Own deposition technologies, electroplating, process control, defect reduction, yield improvement, root-cause analysis, equipment qualification, and technology transfer. Collaborate across engineering and manufacturing teams, suppliers, and vendors while providing rapid support for 24x7 production operations.

Designs, develops, and operationalizes enterprise architecture processes and technology intelligence capabilities. Builds AI-powered process automations, data pipelines, metadata models, and cloud-based applications using Python, microservices, and SaaS architecture tools. Integrates analytics platforms, develops CI/CD pipelines, applies secure engineering practices, and delivers scalable solutions for regulated financial environments. Provides technical leadership, makes architecture decisions, mentors teams, and collaborates with business, product, risk, and security stakeholders.

Leads business process improvement and organizational transformation initiatives. Analyzes workflows, maps processes, identifies inefficiencies, applies Lean and Six Sigma methods, evaluates performance data, recommends automation solutions, and partners with cross-functional leaders to implement scalable improvements and drive change adoption.

Designs fixtures and tooling for manufacturing operations, collaborates with manufacturing engineering, design engineering, and production, supports continuous improvement, directs tool builds and maintenance, and assists with engineering drawings and PDM release processes. The role is fully on-site and requires mechanical or tool-design engineering experience, U.S. citizenship, and eligibility for a DoD Secret clearance.

Leads process engineering and capital projects across food manufacturing, from concept through completion. Oversees budgets, scope, contractors, timelines, technology selection, equipment specifications, plant layouts, automation opportunities, and compliance with safety and food-quality standards. Partners with manufacturing, innovation, procurement, finance, and engineering teams while guiding site teams and mentoring technical staff. Travel may reach 50% depending on project needs.

Combines wastewater process engineering with AI, machine learning, process modeling, digital twins, and optimization. Responsibilities include analyzing treatment data, developing biological and chemical process models, evaluating and troubleshooting facilities, conducting experiments, testing technologies, and implementing predictive or optimization solutions. The engineer collaborates with multidisciplinary project teams and utility clients to improve treatment performance, reliability, energy use, and operational decision-making. Python programming and wastewater modeling platforms are preferred, along with wastewater treatment, nutrient removal, data science, and technical communication expertise.

Optimizes manufacturing processes for steel drum plants through trials, process analysis, instrumentation validation, root-cause investigations, and continuous improvement. The role improves productivity, quality, safety, reliability, and cost performance; prepares production and quality reports; supports plant operations; leads small projects; and provides technical training. Requires cross-functional collaboration with operations, maintenance, quality, and plant leadership.

Develop and optimize process models and techno-economic analyses for direct air capture demo and production facilities. Translate Aspen models into equipment sizing, cost estimates, process documentation, and vendor-ready specifications. Refine heat and mass balances, evaluate operating scenarios, support equipment selection, and identify energy, capital, and operating cost reductions. Collaborate with engineering, R&D, project management, vendors, and external design firms while presenting technical and financial findings to leadership, investors, and stakeholders.

Supports manufacturing production and assembly through hands-on troubleshooting, process documentation, tooling and fixture design, nonconformance resolution, continuous improvement, root-cause analysis, and corrective actions. Collaborates with design, quality, suppliers, and project teams on product development, hardware integration, and producibility. The role is full-time, on-site in Rolling Meadows, Illinois, and supports IRCM transmitter and sensor products.

Lead process engineering design and execution for mining, mineral processing, material handling, and heavy industrial facilities. Develop PFDs, P&IDs, calculations, specifications, and equipment designs; coordinate multidisciplinary teams; oversee quality, safety, commissioning, and client expectations. Support proposals, business development, client relationships, conferences, and project pursuits. Mentor engineers and establish engineering standards and best practices. Regular travel to offices, project sites, and industrial facilities is expected.

Develop and scale MOF deposition, nonwoven, and lamination processes for protective fabrics from bench and pilot stages to commercial production. Run pilot and vendor trials, manage web handling, define process windows and quality controls, design experiments, analyze process capability, troubleshoot defects, and create technology-transfer packages. Support equipment specification, commissioning, qualification, and production-line design while coordinating with research, quality, maintenance, and external manufacturing partners.

Optimize manufacturing processes and plant performance while improving safety, quality, productivity, yield, reliability, and costs. Lead continuous improvement initiatives, troubleshoot process and equipment issues, develop process engineering documentation, support production and maintenance teams, manage small capital projects, maintain MOC documentation, ensure EHSSQ compliance, and standardize best operating practices across plant operations.

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

Develop and own enterprise low-code/no-code applications, workflow automations, integrations, and AI-enabled solutions. Responsibilities include product roadmapping, Agile delivery, data modeling, ETL and migration, troubleshooting, system optimization, stakeholder collaboration, and process modernization. The role uses platforms such as Quickbase, Microsoft Power Platform, SAP integrations, RPA, AI agents, and AI coding assistants to deliver business applications and automation products.

Designs process-mechanical systems for water and wastewater treatment infrastructure, including equipment, piping, pumping, hydraulics, aeration, and pipe supports. Develops calculations, specifications, drawings, and BIM models; coordinates interdisciplinary design teams; reviews construction submittals; responds to contractor inquiries; and performs site observations. The role also supports construction phases, manages design tasks, and may mentor less experienced staff.

Leads the Solon site's automation program from launch through full-scale production. Sets technical strategy, directs automation system design and development, manages project scope, resources, timelines, risks, and execution, and coordinates controls, process, automation, Operations, Quality, Engineering, and Supply Chain teams. Provides technical guidance on robotics, machine vision, PLCs, HMIs, and integrated manufacturing systems while communicating roadmap and progress to senior leadership. Develops technical talent and drives continuous improvement and technology adoption.

Lead and implement continuous process improvements using Lean/Six Sigma to improve quality, turnaround, and costs. Analyze and resolve production issues, align quality objectives with AS9100D/NADCAP, maintain process documentation, support corrective actions, develop metrics, and ensure safety and ITAR compliance while liaising between production and quality.

Develops, tests, deploys, and supports attended and unattended UiPath RPA automations. Works with stakeholders to analyze processes, gather requirements, identify automation opportunities, and translate needs into technical solutions. Builds database and API integrations using SQL and programming languages, applies web technologies for browser automation, and maintains documentation. Troubleshoots automations, supports Agile and Waterfall development, participates in testing and project planning, and provides operational status updates.

Lead development and implementation of SOPs, KPIs, and statistical monitoring for beverage can and end manufacturing. Drive process improvement, material qualifications, consumable reduction, training, and Lean/Six Sigma projects across plants.

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.