Master Mechanic; Grade 23) AFSCME Local

In accordance with the Merit System Rules and Regulations, an eligible list, which will be valid for a one-year period, and which will be used to fill vacancies during that period, is being established for this classification. Applicants on the eligible list will be certified in accordance with the Merit System and appropriate union contracts.

Candidates may submit online employment applications using the NEOGOV online application system available at

The examination process for this posting may include an evaluation of training and experience, a written examination, a computerized exam, an oral board interview examination, a performance examination or any combination of the above in order to qualify applicants for placement on the eligible list. The eligible list will be used to fill vacancies that occur within the next year. The appropriate number of names on the eligible list as prescribed by Merit System Section 26.03.505 will be certified to the hiring department for consideration to fill the vacant position(s).

New employees are generally hired at the starting salary and may be eligible for merit increases each year upon receipt of a satisfactory performance evaluation, up to the maximum salary.

New Castle County is an Equal Opportunity Employer

An employee in this classification installs, maintains, inspects, and adjusts all mechanical equipment used in wastewater pumping stations, treatment facilities, and associated buildings. They also service other mechanical systems necessary for the operation and upkeep of wastewater infrastructure. This highly skilled work requires broad expertise, efficiency, and proficiency in mechanical practices, including excellent knowledge of machine shop operations and the effective use of specialized hand and machine tools essential for equipment maintenance.

The employee maintains on-call availability, as assigned, to monitor telemetry alarms and respond to urgent mechanical issues, pump station alerts, and other critical operational needs requiring timely intervention during hours outside the normal shift, weekends, and holidays. In the field, they investigate problems and, when possible, take immediate corrective action. When on-the-spot correction is not feasible, they provide recommendations for repairing issues or improving the mechanical performance of plant equipment and buildings.

The employee supervises, provides training, and instruction to personnel, including trades helpers, apprentices, and mechanics. The employee also supports the Facilities Maintenance Supervisor with coordination, quality control, and overall oversight of the work order and asset management system used by the Department of Public Works Plant Operations section. Work is performed under general supervision, with the employee expected to exercise significant independent judgment in carrying out assignments.

• Repairs pumps, valves, electrical, pneumatic, and hydraulic controls and equipment;
• Repairs engines, motors, compressors, meters, gear boxes, and other similar machinery;
• Uses hand, bench, and machine tools, such as micrometers, drills, taps, feeler gauges, drill press, lathe, milling machine, dial indicators, caliper, precision level, and other tools used in mechanical trades work;
• Performs highly skilled work in the machine shop to include models and templates;
• Checks on safe and efficient operation to include maintenance and lubrication schedules of all mechanical equipment;
• Maintains on-call availability, as assigned, to monitor telemetry alarms and respond to urgent mechanical issues, pump station alerts, and other critical operational needs requiring timely intervention during hours outside the normal shift, weekends, and holidays;
• Makes independent decisions on minor improvements;
• Ensures the functionality and accuracy of the Plant Operations work order/asset management system for pump station inspections, as well as corrective and preventative maintenance;
• Provides analysis and recommendation on data derived from the work order/asset management system;
• Keeps clean and orderly place of work and completes required reports;
• Promotes an ongoing attitude of dedication to excellent public service and ensures that external and internal customers are provided with the highest quality of service;
• Operates a data processing terminal, personal computer and other related equipment in the course of the work.