Maintenance Mechanic III

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Why join our team

Middlesex Water Company (NASDAQ:MSEX) has been an industry leader since 1897. We promote professional and personal development in a work environment that is supportive and responsive. We understand the importance of our services and the individuals who uphold our reputation.

Joining our team means that you have a multitude of benefits that support you in and out of the workplace such as- full medical dental and vision benefits 401k paid time off tuition assistance learning and development opportunities employee assistance program and more. To learn more please visit

Job Summary:

Under the supervision of the Maintenance Planner the Maintenance Mechanic III is responsible for supporting the safe and efficient completion of preventive maintenance capital replacement and emergency repairs across water treatment plants well facilities interconnections storage tanks pumping stations and related production infrastructure.

This role includes both mechanical maintenance responsibilities and field-based operational support ensuring equipment reliability and system performance across multiple sites.

Work Performed:

• Adhere to and promote company safety policy.
• Conduct facilities checks and visual inspections of equipment to report deficiencies or required repairs.
• Perform routine preventive maintenance tasks such as lubrication filter changes and equipment cleaning.
• Assist with basic mechanical repairs under supervision.
• Support capital replacement projects and equipment installations.
• Provide field maintenance support across treatment facilities wells storage tanks and interconnections.
• Safely receive and manage chemical deliveries including Granular Activated Carbon (GAC) exchanges.
• Record maintenance activities in CMMS (WACS) when trained.
• Maintain tools materials and inventory assigned to tasks.
• Maintain a clean safe and organized work environment.
• Participate in team meetings training and safety programs.
• Respond to maintenance requests and support operational needs as required.

• Perform on-call duties and overtime as required with assignments subject to change based on operational needs.
• Serve as part of the emergency response team including use of SCBA equipment.
• Perform all other duties as assigned.

Qualifications:

• High school diploma or GED required.
• Must maintain a valid NJ drivers license.
• Experience with Microsoft Word and Excel preferred.
• Mechanical aptitude and or maintenance experience preferred.
• Willingness to work outdoors and in extreme climates.
• Good verbal communication skills with the ability to read write and communicate effectively in English.

Compensation & Benefits:

• Salary Range: $47878 $71817 annually based on experience and qualifications.
• Total Rewards Package Includes: - Medical dental and vision coverage (effective first of the month after hire).
• 401(k) with company match.
• Company paid life and disability insurance.
• Paid time off and 12 paid holidays.
• Tuition assistance and professional development opportunities.

Physical Demands: The physical demands described here are representative of those that must be met by any and all employee to successfully perform the essential functions of this job.

While performing the duties of this job the employee is required to lift up to 50 pounds climb crawl stoop reach grasp and stand.
Work also emphasizes visual acuity ability to smell hearing and speech.
The employee frequently lifts light or heavy objects uses tools and equipment requiring a high degree of dexterity distinguishes between shades of color and utilizes the sense of smell.
The work is typically performed while indoors or outdoors sometimes in cold inclement weather. The employee is exposed to noise dust dirt grease hazardous chemicals and machinery with moving parts.
The work requires the use of protective devices such as masks goggles gloves etc.

Work Authorization & Pre-Employment Requirements:
Candidates must be authorized to work in the United States. All candidates must successfully pass a drug screen pre-employment physical background check and possess a valid drivers license in good standing (if required for the position).

Commercial Drivers License (CDL) Positions:
For positions requiring a Commercial Drivers License (CDL) the use of marijuana (including medical marijuana) or any controlled substances whether prescribed or otherwise is strictly prohibited under Federal Motor Carrier Safety Administration (FMCSA) regulations of the U.S. Department of Transportation (DOT). Such use is a violation of federal law and will disqualify candidates from CDL-required positions.

Pay Transparency:
This job posting complies with the New Jersey Pay Transparency Law (effective June 1 2025) which requires employers to disclose salary ranges benefits and other compensation in job advertisements.

Recruitment Fraud Alert:
We have noticed an increase in recruiting impersonations across the industry where scammers attempt to obtain candidates personal or financial information through fake interviews and offers.
All legitimate communications from Middlesex Water Company and its subsidiaries will originate from the following email domains: @ or @.
Any outreach claiming to be from Middlesex Water Company or its subsidiaries that does not come from these domains should be ignored.

Equal Employment Opportunity:
Middlesex Water Company and its subsidiaries are Equal Opportunity Employers and are committed to creating an inclusive environment for all employees.
We consider all qualified applicants for employment without regard to race color religion sex sexual orientation gender identity or expression national origin age disability veteran status genetic information or any other characteristic protected by applicable law.