Water Resources Modeler​/Planner

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., Info Works 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 Info Water 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

* 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:
Info Works 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 work streams on projects

* Excellent written and verbal communication skills

Preferred Qualifications

* Experience with water distribution system modeling (WaterGEMS, EPANET, Info Water)

* 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

Jacobs is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law.

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