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Environmental Field Technican
Langan Engineering and Environmental Services, LLC
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Langan Engineering and Environmental Services, LLC
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Langan Engineering and Environmental Services, LLC
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Langan Engineering and Environmental Services, LLC

Senior Project Engineer

Seattle, WA, United States

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Job details

Apply by: Nov 8, 2026
Posting language: English
Posted: Oct 8, 2026

Original job description

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 U.S. 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.

Job Summary Langan is seeking a Senior Project Engineer/Manager - Mission Critical Water and Wastewater to support its growing national water practice. This individual will play a key leadership role in advancing data center water strategy initiatives nationwide, including leading due diligence evaluations, water supply strategy development, source water assessments, discharge strategy development, water reuse planning, and water strategy permitting and compliance 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.

Job Responsibilities

Lead water due diligence efforts for data center developments, including source water availability assessments, utility coordination, capacity evaluations, and regulatory constraints analyses;
Develop and implement water sourcing strategies utilizing municipal supplies, groundwater, surface water, reclaimed water, and alternative water resources across diverse regulatory environments;
Evaluate and advance wastewater discharge strategies, including NPDES permitting, indirect discharge programs, land application, water reuse, collect and haul, and emerging management approaches;
Coordinate with engineering teams on water and wastewater infrastructure planning, treatment system integration, conveyance requirements, and utility interface design;
Provide technical and regulatory guidance on water treatment, wastewater treatment, cooling water systems, industrial wastewater management, and water reuse applications;
Collaborate with utilities, municipalities, regulatory agencies, and client stakeholders to navigate complex water supply, wastewater, and permitting challenges;
Lead water strategy development throughout the project lifecycle, from site selection and due diligence through permitting, construction, startup, and ongoing operations;
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, an To view the full job description, <a href="https://www.aplitrak.com/?adid=YmJnZW5lcmljLjUxOTAxLjg3NjlAbGFuZ2FuZW5naW5lZXJpbmdjb21wLmFwbGl0cmFrLmNvbQ">click here</>