Maintenance Mechanic III

Career Opportunities with Middlesex Water Company

Careers At Middlesex Water Company

The word RIGHT stands for what we VALUE:
Respect, Invest, Growth, Honesty and Teamwork.

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

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-base d operational support, ensuring equipment reliability and system performance across multiple sites.

• 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.

• High school diploma or GED required.
• Must maintain a valid NJ driver’s 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.
• Salary Range: $47,878 – $71,817 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.

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.

Candidates must be authorized to work in the United States. All candidates must successfully…