Stormwater Engineer – Mid-Level

Moffatt & Nichol

Mid-Level Stormwater Engineer supporting flood risk management and drainage infrastructure projects. Joining Moffatt & Nichol, a leader in waterfront infrastructure projects in Charleston.

Posted 5/16/2026full-timeCharleston • South Carolina • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Prepares engineering analyses, plans, specifications, and cost estimates in support of flood risk management, coastal resilience, stormwater, and drainage infrastructure projects
Develops and applies hydrologic, hydraulic, and hydrodynamic models, including 1D/2D riverine, urban drainage, interior basin, and coastal/tidal systems
Performs numerical modelling and engineering calculations to evaluate flood risk, system capacity, pump and outfall performance, and mitigation alternatives under existing and future conditions
Supports analyses related to storm surge, tidal flooding, rainfall-driven flooding, and sea level rise, including evaluation of phased and adaptive implementation approaches
Prepares technical memoranda, reports, exhibits, figures, and presentation materials to document analyses and communicate findings to internal teams and public-sector clients
Participates in technical coordination with project team members, internal disciplines (planning, GIS, visualization), subcontractors, and government agencies
Supports projects involving municipal, state, and federal agencies, including coordination with regulatory requirements related to floodplain management and coastal permitting
Contributes to technical decision-making regarding feasibility, alternatives evaluation, cost considerations, and constructability
Coordinates task-level work and collaborates across offices to support project delivery and workshare execution
Other duties: Please note this job posting is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Requirements

What you’ll need

Bachelor's Degree in Civil or Environmental Engineering
Master’s Degree in Civil or Environmental Engineering preferred
5-10 years of experience
Professional Engineering (PE) license
Certified Floodplain Manager (CFM) Certificate Preferred
Background and/or experience with engineering analysis and design of various project types including a combination of: Floodplain mapping and floodplain management FEMA Floodplain Regulations and Standards Stormwater hydrology and hydraulic modeling; stormwater and drainage infrastructure permitting and design Watershed assessment & planning Urban flood risk and floodplain management Flood protection and resilience Low impact development/green infrastructure
Preparing project scope and fee proposals
Construction principles, including survey, inspection, and engineering methods and materials, and surveying methods and techniques
Working knowledge of software programs and techniques, which should include: AutoCAD Civil 3D HEC-RAS , HEC-HMS SWMM/XPSWMM/PCSWMM Infoworks ICM ESRI GIS Python/Matlab/coding for GIS and modeling STRONG PLUS Microsoft Office
All new hires will be required to successfully complete and pass a pre-employment (post offer) background check in compliance with NIST 800-171
Moffatt & Nichol uses E-Verify and employment is contingent upon the legal ability to obtain employment in the U.S. and to present the required documentation at hire

Benefits

Comp & perks

Enjoy low-cost employee healthcare with our company-paid high-deductible medical, dental, and vision plans
Family coverage is available
Low-deductible plan available
Generous HSA match to help manage healthcare expenses
Stay energized with our amazing Wellness Program (with financial incentives) to keep you healthy and fit
Features include: monthly one-on-one sessions with nutritionists, access to a Healthwise Pharmacist, mindfulness apps like The Calm and BetterHelp, and more
Free and confidential Employee Assistance Programs for counseling and support
Generous Paid time off (15 to 25 days based on experience level), Paid Holidays (7), and a floating holiday
401(k) match to help you reach your financial goals
Excellent Life Insurance coverage, fully paid by the company
You may also have the option to further your education with our comprehensive Tuition Reimbursement Program
Plus, there are plenty of training opportunities, a Leadership Development Program, a formal Mentoring program, an active YP (Young Professionals) group, and so much more
And because we care about all members of your family, we offer Pet Insurance to look after your furry friends

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

hydrologic modelinghydraulic modelinghydrodynamic modelingnumerical modelingengineering calculationsflood risk evaluationstormwater modelingdrainage infrastructure designconstruction principlesproject scope preparation

Soft Skills

technical coordinationcollaborationcommunicationdecision-makingorganizational skillspresentation skillsanalytical skillsproblem-solving

Certifications

Professional Engineering (PE) licenseCertified Floodplain Manager (CFM)