Director - Lead Wastewater Engineer

Why PWGC?
P.W. Grosser Consulting (PWGC) is a growing environmental and engineering firm where great work meets exceptional benefits. We cover

100% of medical insurance including full family coverage

because we believe in truly taking care of our people. Our team of hydrogeologists, environmental scientists, and engineers tackles challenging, meaningful projects across Long Island and beyond. You'll work alongside smart, passionate colleagues in a flexible environment that supports your growth, your license, and your life outside of work.

Position Overview
P.W. Grosser Consulting is seeking a

Wastewater Engineer

to lead and support planning, design, permitting, and construction of municipal and private

sewage treatment plants (STPs) ,

pump stations ,

force mains , and

gravity sewer systems . The ideal candidate brings hands‑on familiarity with Suffolk County regulations and approvals and is comfortable coordinating across agencies, utilities, and multidisciplinary design teams.

Key Responsibilities

Planning & Design

Develop basis-of-design reports, process flow diagrams, hydraulic profiles, and preliminary engineering reports for STPs (conventional, SBR, MBR, advanced nutrient removal), pump stations, and collection systems.

Perform hydraulic modeling and capacity analyses for gravity sewers and force mains; size pumps, wet wells, odor control systems, and appurtenances.

Prepare detailed drawings and specifications (civil, process, mechanical, electrical, I&C) and support BIM/CAD workflows.

Permitting & Regulatory Coordination

Prepare, submit, and track permit applications and approvals with

Suffolk County Department of Health Services (SCDHS) ,

NYSDEC (SPDES) , and local towns/villages; coordinate with

SCWA

and utility stakeholders.

Develop compliance strategies for effluent limits, reuse, biosolids handling, and facility operations; support SEQRA documentation and public engagement as needed.

Construction & Field Work

Provide construction‑phase services: submittal reviews, RFI responses, site inspections, start‑up/commissioning support, and punch lists.

Lead/perform condition assessments, CCTV reviews, flow monitoring, infiltration/inflow (I/I) studies, and field investigations.

Project Delivery & Management

Prepare scopes, budgets, and schedules; track deliverables; support proposal writing and client presentations.

Mentor junior engineers and collaborate with environmental, civil, structural, and geotechnical teams to deliver integrated solutions.

Required Qualifications

B.S. in Civil, Environmental, or Chemical Engineering

10+ years

of relevant wastewater/collection system design experience

Proficiency with hydraulic modeling and design tools (e.g., WaterCAD/SewerCAD/InfoWorks ICM), and standard CAD platforms (AutoCAD/Civil 3D).

Strong technical writing skills; ability to produce clear reports, permit packages, and specifications.

Valid driver's license and ability to conduct field work across Long Island.

Preferred Qualifications

Experience designing

advanced treatment

(nutrient removal), odor control, and SCADA/PLC instrumentation for pump stations and plants.

Familiarity with

I/I reduction programs , flow metering, trenchless rehabilitation methods, and condition assessment protocols.

NY Professional Engineer (PE) license or ability to obtain within 12-18 months.

Experience with public agency work (e.g., towns/villages within Suffolk County, SCWA, SCDHS) and private development projects.

Working knowledge of seismic/structural coordination for tanks and process equipment; ability to interface with electrical and controls engineers.

Working knowledge of

Suffolk County

approvals and processes (e.g., SCDHS STP/pump station review, subdivision/realty applications, grease/oil control, onsite systems), and familiarity with

NYSDEC SPDES

permitting.

Salary Range
$180,000 - $220,000 Depending on Experience

Full-time / Exempt
Equal Opportunity Employer / Veterans / Disabled

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