Open Employment Opportunity

Employment Opportunities

Submission Deadline: October 27, 2025

The Linden Roselle Sewerage Authority is seeking a qualified candidate for the full-time position of Laboratory Technician position at major wastewater treatment facility in Linden, NJ. Laboratory is NJDEP certified to analyze 25+ parameters. Position will entail analyzing wastewater and sludge samples according to standard operating procedures. Required to operate and maintain laboratory instrumentation and equipment, troubleshooting, calibration checks, sample preservation and chemical reagents preparation. Perform and report calculated sample results and complete data entry. The salary range is from $60,958 – 76,690 based on qualifications and experience. Preference given to residents of the City of Linden and Borough of Roselle. Qualifications: A.S. in Chem., Bio. or Env. Science, with 3 yrs. exp. in a wastewater laboratory or B.S. Degree in Chem., Bio. or Env. Science with 1 yr. exp. in a wastewater laboratory.

Click here for the complete job description.
Submit resume and completed job application to Laboratory Manager Mark Kawalec by email here.
Click here to view the advertisement for the Laboratory Technician position.

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About the Linden Roselle Sewerage Authority

The LRSA services the City of Linden and the Borough of Roselle, and was established in 1948 to contract and operate wastewater treatment and interceptor facilities, as well as to collect, treat and dispose of sewage generated by the municipalities. The Authority’s service area is 13 square miles, it services a residential population of 60,000 and a diverse industrial community, and administers a state approved Industrial Pre-treatment Program.

The Authority’s sewerage treatment is classified as a biological system and is designed to treat 17 million gallons per day. It consists of primary sedimentation, activated sludge, secondary clarifiers and ultraviolet disinfection for final effluent. Residuals (sludge) treatment is by gravity thickening of primary sludge and gravity belt thickening for waste activated sludge, followed by anaerobic digestion. Sludge is transported via barge to a private dewatering facility where it is prepared for ultimate disposal at municipal landfills.

The Authority is governed by federal and state regulation. Our facilities operate and treated wastewater is discharged to the Arthur Kill under Permit # 0024953, issued by the N.J. Department of Environmental Protection. A portion of the effluent is permitted for beneficial reuse for cooling water for electric power generated at an adjacent power plant.

The Authority owns administration, monitoring, laboratory, treatment facilities and various auxiliary buildings at its primary site, located at 5005 South Wood Avenue, Linden, NJ, as well as a dock facility at the Arthur Kill and various metering pumping stations and pipelines outside the main facility.

LRSA was created under the “Sewerage Authorities Law”(N.J.S.A.40:14A-1et seq.) and is governed by the Members of the Board. Day to day operations and administration are conducted by a staff headed by an Executive Director.