Senior Hydraulic Modeler

At Jacobs, we challenge ourselves to reinvent tomorrow by tackling the world’s most critical problems—from thriving cities and resilient environments to mission‑critical outcomes and scientific discovery—transforming abstract ideas into reality.

We are looking for a Senior Hydraulic Modeler to join our team in Chicago, IL. In this role you will engage in a wide variety of project assignments serving municipal, federal, industrial, and other clients, working independently and collaboratively across the company. You will interface with our Market Solutions group, maintaining a strong presence in the Chicago office and at field sites.

• Develop, calibrate, and interpret water distribution, wastewater, and stormwater models.
• Use models to assess system performance and recommend improvements and enhancements.
• Evaluate, select, and apply advanced engineering and modeling standards.
• Use models for master planning and conceptual studies.
• Conduct sewer evaluation studies involving RDII analysis and flow‑monitoring program development.
• Perform water quality and transient modeling.
• Develop hydraulic profiles for water and wastewater treatment facilities, coordinating conveyance design for state‑of‑the‑art plants.
• Engage in programming, statistical analysis, and data research.
• Analyze, manage, and interpret data using ArcGIS software.
• Utilize project‑management skills to propose, plan, execute, monitor, and close projects effectively.
• Conduct technical writing and client presentations to communicate key messages simply and clearly.
• Participate in global technical communities of practice focused on collection system modeling, water distribution, wet‑weather management, stormwater, and system optimization.
• Perform QA/QC of models, reports, and deliverables.
• Prepare and deliver presentations at local and national professional organizations such as WEF, IWEA, CSWEA.

• Bachelor’s degree in Civil or Environmental Engineering.
• 6+ years of professional experience in hydraulic modeling.
• In‑depth knowledge of modeling software (e.g., Info Works ICM, PCSWMM, EPA SWMM, EPANET).
• Understanding of hydraulic systems and model outputs.
• Working knowledge of ArcGIS.
• Strong teamwork and effective communication skills, both internally and externally.
• Active involvement in mentoring and professional development.
• Proficiency in writing and reviewing technical reports for clear communication.
• Ability to communicate verbally and in writing with clients and geographically dispersed project staff via online platforms.

• Graduate degree in Civil or Environmental Engineering.
• Professional Engineer (PE) license in Illinois or ability to obtain via comity.
• Experience in conveyance and/or pump design.
• Experience with programming languages such as Python (for GIS scripting) and Visual Basic for Excel.

Our health and welfare benefits are designed to invest in you and the things you care about, including medical, dental, vision, and basic life insurance; a 401(k) plan; and the ability to purchase company stock at a discount. Eligible employees may enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs offers unlimited U.S. Personalized Paid Time Off (PPTO) for full‑time salaried/exempt employees, seven paid holidays, and caregiver leave.

Certain roles may also be eligible for merit increases, performance discretionary bonuses, and stock.

The base salary range for this position is $ to $, with individual pay determined by location and relevant experience and education.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.