Senior Wastewater Engineer | Long Island, NY

Senior Wastewater Engineer Long Island NY

This position is based in Woodbury Nassau County NY. 11797

IMEG is hiring a Senior Wastewater Engineer in Long Island NY to lead wastewater treatment plant design and this role youll provide technical leadership in designguiding 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.

Principal Responsibilities

• 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

Required Qualifications and Skills

• 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

Why Join Us IMEG puts people firstwith 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. Youll 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.

Water/Wastewater Team Highlights

• IMEGs 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

• IMEGs Long Island presence is backed by national scale and local depthranked #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 BDC.

Locations available: Woodbury Nassau County NY.Crossways Park Dr Woodbury NY 11797

State of New York Salary Range: $142000 - $ 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 annual bonuses and stock ownership addition IMEG Corp. provides a variety of benefits to employees including health insurance coverage an employee wellness program life and disability insurance a retirement savings plan paid holidays and paid time off (PTO). This information is being provided in compliance with local laws. Additional information regarding employee benefits may be found on our company website at

IMEG an employee-owned corporation is committed to investing in employees futures through professional development programs and opportunities for career advancement. We offer a comprehensive benefits package including generous PTO flexible schedule and assistance with tuition reimbursement. Additionally employees are eligible to enroll in health dental vision and life insurance on their first day of employment.

Want to learn more about IMEG and our other amazing career opportunities Please visit

IMEG is committed to providing equal employment opportunities in all employment practices without regard torace color religion sex (including sexual orientation or gender identity) gender national origin disability age genetic information(including family medical history) parental status (including pregnancy childbirth or related medical conditions includinglactation) ethnic origin hair type (including hairstyle or hair texture) citizenship status marital status military service veteransstatus political affiliation non-merit-based factors or any other characteristic protected by accordance with antidiscrimination law it is the purpose of this policy to put into effect these principles and mandates. IMEG prohibitsdiscrimination and harassment of any type. IMEG conforms to the spirit as well as to the letter of all applicable laws andregulations.

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