
Project Engineer/Manager Water and Wastewater
Langan Engineering and Environmental Services, LLC
WHITE PLAINS, NYJobSeen 5 days agoSeen in employer's feed 5 days ago
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Job overview
Langan is seeking a Project Engineer/Manager to support its national water practice. The role supports water strategy initiatives for mission-critical, advanced manufacturing, and industrial clients, including due diligence, water sourcing, wastewater discharge, reuse planning, permitting, and compliance. It also involves treatment-system support, regulatory response, proposal development, project delivery, and coordination with multidisciplinary teams and stakeholders.
Skills & qualifications
Skills
Full 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 Project Engineer/Manager - Water and Wastewater to support its growing national water practice. This individual will play a key role in supporting water strategy initiatives nationwide, including due diligence evaluations, water supply strategy development, source water assessments, discharge strategy development, water reuse planning, and water strategy permitting and compliance for mission critical, advanced manufacturing, and industrial clients across the United States. Job Responsibilities Support 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; Support 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; Support national response efforts for Notices of Violation (NOVs), corrective actions, enforcement negotiations, and regulatory inspections at the local, state, and federal levels; Support treatability studies, system upgrades, startup, retrofits, and optimization of drinking water and wastewater treatment systems; Provide innovative engineering solutions to projects involving emerging contaminant treatment and control Support proposal development, including scope preparation, fee development, teaming strategies, and project execution planning; Manage project delivery, including scope, schedule, budget, invoicing, change management, and overall financial performance; Coordinate multidisciplinary teams across multiple Langan offices to deliver integrated water, environmental, and infrastructure solutions; Serve as a trusted technical advisor to clients, regulators, contractors, attorneys, and other project stakeholders; a
How this job compares
Set against the 5,220 open Project Engineer jobs on Olive Jobs, counted November 5, 2026.
- Pay
- This postingNot listed
- New York median$95–135K/yr161 salary ranges
- US median$36–46/hr280 hourly ranges
- Openings
- Olive Jobs lists 225 open Project Engineer jobs in New York and 5,220 across the US. 3% of them nationwide are listed as remote or flexible.
- Hiring the most in New York
- Jacobs11 open
- LaBella Associates11 open
- HNTB8 open
- Experience
- Project Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 7 years (4,032 postings).
- Education
- 3,183 of the 5,220 open Project Engineer jobs (61%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 5, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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