Senior Water Project Engineer

Mott MacDonald•New Orleans, LA

55d•Hybrid

About The Position

Mott MacDonald is seeking an accomplished Senior Water Engineer to join our established water sector team in New Orleans, Louisiana. This role is ideal for a senior technical professional who combines deep expertise in water modeling and treatment plant design with a strong ability to develop client relationships and win work. You will play a key role in leading and delivering complex municipal water infrastructure projects while actively supporting business development, proposal leadership, and client engagement across the Gulf Coast and broader U.S. market. Projects will include water treatment plants, pumping and conveyance systems, hydraulic modeling, and resiliency-focused infrastructure.

Requirements

B.S. degree in Civil, Environmental, or Chemical Engineering (M.S. preferred)
Licensed Professional Engineer (PE); ability to obtain Louisiana PE if not currently licensed
10+ years of progressive experience in municipal water engineering
Demonstrated expertise in: Water distribution system modeling, Water treatment plant planning and design
Strong experience delivering projects through planning, design, and construction
Proven Doer/Seller capability with experience supporting or leading: Client engagement, Proposal development, Business development activities
Experience mentoring engineers and leading technical teams
Strong written and verbal communication skills, including client-facing presentations
Proficiency with industry-standard software such as: WaterGEMS, WaterCAD, InfoWater, AutoCAD, Civil 3D, MicroStation, Excel-based engineering tools

Nice To Haves

Knowledge of Gulf Coast or Southeast U.S. utility clients and regulatory environments is a plus

Responsibilities

Leading and delivering planning, design, and construction-phase services for municipal water infrastructure projects, with emphasis on water distribution modeling and water treatment plant design
Serving as a technical lead and project manager on multi-disciplinary water projects of moderate to high complexity
Acting as a Doer/Seller, supporting business development through: Client relationship management, Opportunity identification and pursuit strategy, Proposal preparation and technical interviews
Performing and overseeing hydraulic and water quality modeling for distribution systems and treatment processes
Leading the development and review of: Technical memoranda and reports, Design drawings and specifications, Basis of design documents, Engineer’s opinions of probable construction cost
Providing technical oversight for process design including conventional and advanced water treatment technologies
Reviewing and approving engineering calculations and model results prepared by junior staff
Coordinating with internal disciplines, subconsultants, utilities, and regulatory agencies
Supporting construction administration activities including submittal review, RFIs, and field observations
Mentoring and developing junior and mid-level engineers
Supporting field investigations, condition assessments, and data collection efforts