Water Resources Modeler/Planner

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

We are seeking a Sewer Collection System and Stormwater Modeler & Planner to lead and support planning, modeling, and analysis efforts for municipal water, wastewater, and stormwater systems. This role is ideal for a mid-level professional with 10+ years of experience who combines strong technical modeling skills with project leadership and mentorship capabilities.

The successful candidate will play a key role in delivering high-quality system evaluations, capital improvement planning, and regulatory compliance support, while also contributing to the development of junior staff and modeling best practices.

Key Responsibilities Modeling & Technical Leadership

• Lead and perform hydraulic and hydrologic modeling for

• Wastewater collection systems (sanitary sewer, combined systems)

• Stormwater systems and drainage networks

• Develop, calibrate, and maintain models using industry-standard tools (e.g., InfoWorks ICM, SWMM, SewerGEMS, PCSWMM)

• Conduct system capacity analyses, infiltration/inflow (I/I) evaluations, and wet weather flow assessments

• Support water distribution system modeling where applicable (e.g., using InfoWater Pro, WaterGEMS, EPANET)

• Interpret model results and translate into actionable recommendations for clients

• Planning, Analysis, and Design

• Support and lead master planning efforts for wastewater and stormwater utilities

• Develop capital improvement plans (CIPs) and prioritize infrastructure investments

• Perform alternatives analysis and cost-benefit evaluations

• Perform detailed modeling for design

• Support regulatory compliance initiatives

• Integrate modeling results with asset management and GIS data

Project Management & Delivery

• Manage or support multiple projects, including scope, schedule, and budget tracking
• Coordinate with multidisciplinary teams (engineering, GIS, planning, operations)
• Prepare technical reports, memoranda, and presentation materials
• Present findings and recommendations to clients and stakeholders

Mentorship & Team Development

• Provide technical guidance and mentorship to junior engineers and modelers
• Review modeling work, analyses, and deliverables for quality assurance
• Support training initiatives and development of internal modeling standards
• Foster a collaborative and knowledge-sharing team environment

Here's what you'll need

• Bachelor’s degree in Civil, Environmental, or related Engineering field
• 10+ years of relevant experience in wastewater and/or stormwater modeling and planning
• Professional Engineer (PE) license
• Demonstrated experience with modeling software such as InfoWorks ICM, SWMM, SewerGEMS, PCSWMM (preferred)
• Strong understanding of Sewer collection systems and stormwater hydraulics and wet weather processes and system performance evaluation
• Experience leading technical tasks or workstreams on projects
• Excellent written and verbal communication skills

Ideally, you'll also have

• Experience with water distribution system modeling (WaterGEMS, EPANET, InfoWater)

• Experience with

• CSO/SSO programs and regulatory compliance

• GIS platforms (ArcGIS, QGIS) and data integration

• Asset management and planning tools

• Proven ability to mentor and develop junior staff

• Client-facing experience and participation in business development

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full-time salaried/exempt employees, seven paid holidays, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $105,000.00 to $160,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

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. Job posted on June 15, 2026. This position will be open for at least 3 days.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.