Stormwater Engineering Specialist

Mott MacDonald • Philadelphia, PA

3d • Hybrid

About The Position

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water.

We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story.

If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.

We are seeking an experienced Stormwater Engineering Specialist to lead green stormwater infrastructure (GSI) projects for public and private clients local to Philadelphia and across the Mid-Atlantic region. This role combines technical leadership with project management, ensuring successful delivery from planning through construction.

Requirements

• Education: B.S. in Civil or Environmental Engineering (M.S. preferred)
• Experience: 8+ years in water, wastewater, and/or stormwater projects, with demonstrated GSI expertise
• Licensure: Professional Engineer (PE) in Pennsylvania preferred or ability to obtain within one year
• Proven ability to manage projects, including budgets, schedules, staff, and client interface
• Strong technical skills in AutoCAD Civil3D, GIS tools, and stormwater modeling
• Excellent written and verbal communication skills; ability to prepare reports and deliver presentations
• Familiarity with green infrastructure best practices, climate adaptation strategies, and regulatory compliance

Nice To Haves

• Knowledge of MS4 compliance, Atlas 14 rainfall data, and emerging stormwater regulations
• PMP certification or equivalent project management training

Responsibilities

• Manage and execute projects involving green stormwater infrastructure with elements of water and wastewater including planning, design, and construction phases
• Lead multidisciplinary design teams, coordinating multiple assignments simultaneously
• Develop and review project scope, schedules, and budgets; monitor progress against baselines
• Provide technical leadership in GSI design (e.g., bioretention, bioswales, permeable pavements, tree trenches) and stormwater management strategies
• Maintain strong client relationships and represent the company in stakeholder meetings and public outreach
• Ensure compliance with regional regulations, including MS4 permitting, stormwater ordinances, and climate resilience standards

Benefits

• At Mott MacDonald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses.
• We provide a comprehensive benefit package that includes 401k, medical, dental and vision insurance, short-term/long-term disability, paid holidays, PTO, parental leave, and company paid life insurance.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees