Wastewater Process Engineer Chicago, IL, USBlueWTR is hiring a Process Engineer to support process design and technical delivery on industrial water and wastewater projects across hyperscale data center, RNG/biogas, semiconductor, advanced manufacturing, and food & beverage markets. You'll contribute from basis-of-design through commissioning on projects ranging from greenfield UPW systems to multi-hundred-MW cooling and reuse infrastructure, working inside a design-build structure with the full backing of ARCO/Murray's national platform. This role is designed for an early- to mid-career process engineer ready to take increasing ownership of process design, technical deliverables, vendor coordination, and field execution within a design-build environment.
Location: Denver or Chicago
Travel: 20% domesticallyA Day in the Life:
Support process design on industrial water and wastewater projects, including membrane (UF/NF/RO), biological, chemical, solids handling, and reuse systems, from early design through commissioning. Develop basis-of-design content, mass balances, hydraulic calculations, PFDs, P&IDs, equipment layouts, equipment data sheets, and control narratives with review from senior process engineers. Participate in technical discussions with clients, consulting engineers, OEMs, and design-build partners; document decisions and translate process requirements into executable scope. Support equipment sizing and selection, OEM evaluations, technical bid reviews, procurement, and submittal reviews. Support startup, commissioning, troubleshooting, and optimization in coordination with senior process engineers, controls integrators, OEMs, and field teams. Coordinate with project managers, designers, and field teams to maintain technical quality, schedule, constructability, and clear documentation. Support proposals, project scoping, vendor outreach, technical research, and business development efforts for new pursuits.
Necessary Qualifications:
3+ years in water/wastewater process engineering, industrial process design, consulting, design-build, EPC, or a closely related technical role.
Experience developing or supporting PFDs, P&IDs, hydraulic calculations, mass balances, equipment sizing, and basis-of-design documentation.
Working experience with one or more industrial water/wastewater treatment technologies such as membrane systems (UF/NF/RO), biological treatment, chemical treatment, filtration, or solids handling.
Strong written and verbal communication skills; comfortable participating in client, vendor, and internal technical discussions.
Understanding of project cost, schedule, constructability, and how process design decisions affect project delivery.
BS in Chemical, Environmental, or related engineering discipline.
Preferred Qualifications:- EIT certification or progress toward professional license.
- Direct project experience in hyperscale data center cooling, RNG/biogas, semiconductor UPW, or food & beverage process water.
- Working knowledge of industrial controls, PLC/SCADA architecture, instrumentation, and process automation handoffs.
- NPDES permitting and industrial discharge compliance experience.
- Field, startup, commissioning, or equipment vendor experience.
- What We Can Offer You:
- Industry-leading performance-based bonus program
- Employee Stock Ownership Plan (ESOP)
- Traditional and Roth 401(k)
- Comprehensive medical, dental, and vision insuranceHSA and FSA options
- Paid parental leave
- Paid sabbatical and volunteer leave
- Tuition reimbursement
- Up to $28,000 in scholarships per child 100% charitable match
- Inclusive, ownership-driven workplace culture
We are proud to be one of the fastest-growing, privately-owned companies in America, celebrating over 30 years of experience as design-build experts. We have completed over 7,500 design-build projects nationwide. We ranked #9 on ENR's Design-Build Firms list and #34 on ENR's Top 400 Contractors list of 2026. Most importantly, our clients like us, trust us, and want to do business with us. We are looking for people with the same enthusiasm, passion, and respect for the hard work that brought us to where we are today. Are you a person who can make a difference at ARCO? If the answer is "Yes!" we look forward to meeting you.
EOE, including disability/vets
