Senior Project Manager - Water & Wastewater Permitting and Compliance

Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the United States and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands‑on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.

Consistently ranked among the top ten “Best Firms to Work For” and Engineering News‑Record’s top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon‑neutral office spaces;

and empowers individuals to contribute their skills and knowledge to make impactful contributions.

Langan is seeking a Senior Water and Wastewater Permitting and Compliance Project Manager to support its growing national water practice. This individual will serve a key leadership role in managing water and wastewater permitting and compliance programs, source water protection and withdrawal permitting, industrial pretreatment, and multimedia environmental compliance initiatives for data center clients across the United States.

In this role, you will leverage Langan’s national technical resources and multidisciplinary expertise to lead complex regulatory programs, mentor staff across multiple regions, support national client accounts, and help drive the continued growth and innovation of Langan’s water and environmental compliance services. In addition, you will have the opportunity to partner cross‑functionally with top industry leadership, fueling a developing Data Center practice, on a diverse array of premier land development projects.

• Direct and manage large, complex national‑scale water and wastewater permitting and compliance projects, including senior‑level technical analysis and regulatory strategy development across multiple regulatory jurisdictions;
• Deliver on multiple fast‑paced projects and tasks within specific budgets, schedules, and deadlines;
• Develop regulatory and permitting strategies for municipal and industrial drinking water, wastewater, pretreatment, source water withdrawal, and reuse projects throughout the United States;
• Manage the preparation and submission of permit applications and compliance programs under NPDES, general permits, surface water and groundwater withdrawal permits, and water reuse programs nationwide;
• Provide regulatory oversight for Safe Drinking Water Act compliance programs for utilities and industrial clients;
• Lead national response efforts for Notices of Violation (NOVs), corrective actions, enforcement negotiations, and regulatory inspections at the local, state, and federal levels;
• Conduct and oversee on‑site facility audits and multimedia environmental compliance assessments for municipal and industrial clients across diverse regulatory regions;
• Support treatability studies, system upgrades, startup, retrofits, and optimization of drinking water and wastewater treatment systems;
• Lead and/or assist in the preparation of national and regional proposals, including scope development, fee estimates, teaming strategies, and execution plans;
• Ensure projects are delivered on time and within budget, including national program coordination, change management, invoicing support, and financial performance tracking;
• Identify and pursue national client opportunities, expand work within existing key accounts, and support strategic growth initiatives for the firm’s water and environmental compliance practice;
• Coordinate across multiple Langan offices and technical disciplines to support integrated water, environmental, and infrastructure projects;
• Serve as a national technical advisor…