Senior Wastewater Engineer | Woodbury, NY

Senior Wastewater Engineer (S  Treatment Plant Design) | Woodbury, NY

IMEG is hiring a Senior Wastewater Engineer in Woodbury, NY, to lead wastewater treatment plant design and construction. In this role, you’ll provide technical leadership in design—guiding project direction, developing practical, code-compliant solutions, and partnering with multidisciplinary teams to deliver strong client outcomes. This position is ideal for a mid-to-senior level engineer ready to take on greater technical responsibility, mentorship, and project influence.

• Lead wastewater treatment plant design and construction, including process evaluation, sizing, layout, and performance optimization

• Provide technical leadership for municipal civil infrastructure and site design, delivering constructible, resilient solutions that meet client and regulatory requirements

• Coordinate multidisciplinary planning, design, and permitting efforts; partner with clients to define requirements and communicate technical solutions clearly

• Perform site assessments and produce engineering analyses, calculations, specifications, and technical reports

• Drive quality control through in-process design reviews and IMEG standards compliance; resolve field issues with minimal senior support

• Mentor and train engineers; lead project presentations/interviews and stay current on industry best practices and innovation

• Bachelor of Science (BS) Degree in Civil, Chemical Engineering, or equivalent, required

• Professional Engineer (PE) License required

• 15 years of experience minimum required.

• Demonstrated experience in wastewater treatment plant design

• Hands‑on design and construction experience required

• PE licensure preferred (or ability to obtain within a reasonable timeframe)

• Strong technical judgment and collaborative approach to project delivery

• Advanced proficiency in design techniques, tools, and concepts involved in the production of technical plans and specifications

• Advanced proficiency in technical and analytical skills for civil infrastructure

• Strong training, mentoring, and leadership skills

• Ability to perform final quality control checks in their area of expertise

• Ability to sell work and develop client relationships

• Excellent communication and interpersonal skills;
  Ability to clearly communicate in both oral and written communication to individuals or groups

• Ability to work collaboratively in a team environment

• Attention to detail and problem‑solving skills

• Eagerness to adapt to new challenges

• Proficient with CADD/BIM/Revit experience a plus

• Ability to travel up to 25% with occasional overnight stays

This Position is not eligible for sponsorship

IMEG puts people first—with a strong focus on career growth, work‑life balance, and meaningful impact. As a 100% employee‑owned firm, we offer the resources of a national design leader with the close‑knit culture of a local office. You’ll collaborate across disciplines, contribute to innovative, sustainable projects, and shape the communities we serve. Join a team where your ideas are valued, your development is supported, and your work truly matters.

• IMEG’s water and wastewater specialists deliver full‑service planning and design for water and wastewater projects, partnering with clients across the project lifecycle with a focus on performance, efficiency, and meeting evolving regulatory standards.

• IMEG helped initiate and support the Long Island Water Reuse Roadmap & Action Plan, aimed at catalyzing treated wastewater reuse on Long Island

• IMEG’s Long Island presence is backed by national scale and local depth—ranked #1 engineering firm on Long Island by Long Island Business News’ 2025 Book of Lists (ranked by number of registered PEs).

• Recognized engineering leader: ENR Top 500 Design Firm ranking (#48 in 2025) and top 5 engineering firm BD+C.

Locations available: Woodbury, NY

State of New York Salary Range: $142,000 - $184,000. Minimums and maximums may vary based on location. Individual pay will be based on several factors including experience, knowledge, skills, and abilities of the applicant. Other rewards may include…