Process Engineering Jobs in Illinois (NOW HIRING)

Solenis is a leading global provider of water and hygiene solutions. The company's product portfolio includes a broad array of water treatment chemistries, process aids, functional additives, cleaners, disinfectants, and state-of-the-art monitoring, control and delivery systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect plant assets, minimize environmental impact, and create cleaner and safer environments. Headquartered in Wilmington, Delaware, the company has 78 manufacturing facilities strategically located around the globe and employs a team of over ~23000 professionals in >160 countries across six continents. Solenis is a 2025 Best Managed Company Gold Standard honoree.

For additional information about Solenis, please visit www.solenis.comor follow us on social media.

Perks of working with us!

• Competitive health + wellness benefit plan

• Continuous professional development with many opportunities for growth!

• Recharge with 15 days of paid time off

• Competitive Salary and Bonuses

• 401k Plan

• Ability to work remotely

Position Summary

You will be responsible for leading and executing process engineering deliverables that support capital projects, manufacturing improvements, and corporate sustainability initiatives. This role develops innovative process solutions, performs technical evaluations, and provides engineering expertise from concept development through project execution and start-up.

Working collaboratively with Operations, R&D, EHS, Project Engineering, and external engineering partners, you will ensure projects are designed to achieve business objectives while maintaining the highest standards of safety, quality, environmental stewardship, and operational excellence.

Key Responsibilities

• Lead the development of process engineering deliverables for capital projects, including:

  • Process Flow Diagrams (PFDs)

  • Piping & Instrumentation Diagrams (P&IDs)

  • Process descriptions and operating philosophies

  • Equipment sizing and specifications

  • Process calculations and mass/energy balances

  • Utility and process design requirements

• Develop and optimize manufacturing processes to improve safety, product quality, reliability, capacity, and cost performance.

• Conduct technical evaluations, feasibility studies, and process simulations to identify improvement opportunities.

• Support product commercialization by evaluating process capability and manufacturing readiness.

• Develop and modify process methods, and operating controls to meet product quality and production objectives.

• Recommend and implement process improvements, modifications, and standardization initiatives across manufacturing sites.

• Review product development requirements and evaluate compatibility with existing manufacturing processes, identifying required equipment, costs, schedules, and process changes.

• Integrate equipment capabilities and material characteristics to meet process and technology performance specifications.

• Participate in Process Hazard Analyses (PHA), HAZOP studies, Management of Change (MOC), and other process safety activities.

• Troubleshoot manufacturing issues and provide technical recommendations to improve plant performance.

• Develop engineering documentation, design standards, and best practices to improve consistency across the manufacturing network.

• Coordinate with external engineering firms, contractors, and equipment vendors as required.

Qualifications

• Bachelor's degree in Chemical Engineering or related engineering discipline required.

• 10+ years of process engineering experience in a manufacturing, chemical, specialty chemicals, pulp and paper, water treatment, or industrial processing environment.

• Experience supporting capital projects from concept through startup.

• Experience developing process engineering design packages and technical documentation.

• Experience working in cross-functional project teams.

We understand that candidates will not meet every single desired qualification. If your experience looks a little different from what we've identified and you think you can bring value to the role, we'd love to learn more about you.

At Solenis, we understand that our greatest asset is our people. That is why we offer competitive compensation, comprehensive benefits which include medical, dental, vision & 401K, and numerous opportunities for professional growth and development. So, if you are interested in working for a world-class company and enjoy solving complex challenges, whether in the lab or the field, consider joining our team.

Solenis is proud to be an Equal Opportunity Affirmative Action Employer, including Minorities / Women/ Veterans / Disabled.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Should you require assistance in applying to this opportunity, please reach out to Solenis Talent Acquisition at talentacquisition@solenis.com