Senior Maintenance Mechanic

The Position:

Under general supervision, the Senior Maintenance Mechanic performs skilled journey-level mechanical work in the installation, maintenance, repair, and overhaul of equipment used in the treatment, conveyance, and distribution of potable, recycled, and wastewater systems. This includes pumps, valves, compressors, chemical feed systems, dewatering equipment, piping systems, and other mechanical infrastructure. This classification is distinguished by its advanced technical responsibilities, mentoring of less experienced staff, and its performance of condition-based monitoring, fabrication, and reliability-based diagnostics. 

For the full job description and responsibilities of the position, please click here.

SUPERVISION RECEIVED AND EXERCISED 

Receives general supervision from assigned supervisory or management personnel. Exercises no direct supervision over staff. 

DISTINGUISHING CHARACTERISTICS

Positions at this level are distinguished from other classes within the series by the level of responsibility assumed and the complexity of the duties assigned. Incumbents perform the most difficult mechanical work for all District assets, including: the installation, maintenance, and overhauling of all District equipment related to domestic and reclaimed water distribution systems, sewage collection systems water/wastewater treatment, and dewatering/solids handling. Including the fabrication, welding, machining, troubleshooting and performance of complex repairs; and the performance of predictive, reactive, and preventive maintenance in a computerized environment. Participates in standby duties at the sole discretion of the District.

ESSENTIAL DUTIES AND RESPONSIBILITIES

Inspects, diagnoses, disassembles, repairs, and reassembles mechanical equipment and components used in water, wastewater, and recycled water systems. 

Fabricates parts and fittings using welding, machining, and other fabrication techniques; perform millwright-level repairs. 

Maintains, troubleshoots, and assesses machinery condition using predictive tools including vibration analysis, thermography, and oil sampling. 

Supports preventive and condition-based maintenance through computerized systems; documents and reports findings. 

Provides technical direction, training, and support to maintenance personnel as assigned. 

Reads and interprets blueprints, mechanical drawings, specifications, and technical manuals.

Participates in equipment installation projects and leads assigned tasks or crews as needed. 

Submits materials requisitions; maintains adequate inventory of tools and consumables. 

Complies with all applicable safety protocols, including confined space entry, LOTO, PPE use, and respiratory protection requirements. 

Responds to after-hours emergencies as assigned; participates in standby rotation at the discretion of the District. 

Performs other duties as assigned. 

Disaster Service Worker: In accordance with Government Code Section 3100, Irvine Ranch Water District employees, in the event of a disaster, are considered disaster service workers and may be asked to respond accordingly.

MINIMUM QUALIFICATIONS

Education and Experience:

Any combination of training and experience that would provide the required knowledge, skills, and abilities is qualifying. A typical way to obtain the required qualifications would be:

Education:

• High school diploma or equivalent is required. 
• Completion of an accredited apprenticeship program or related college coursework (e.g., mechanical, millwright, welding) is highly desirable. 

Experience: 

Four (4) years of journey level mechanical experience in water/wastewater treatment, collection, or water distribution systems.

License/Certifications:

• Possession of a valid Class ‘C’ California Driver’s License is required.
• Class ‘A’ California Driver’s License is highly desirable. 
• NCCCO Crane Certification is highly desirable.
• CWEA Grade II Mechanical Technologist Certificate is desirable CWEA Grade III Mechanical Technologist is highly desirable. 
• Additional relevant certifications (e.g., welding, rigging, forklift, crane, confined space) are desirable and may be required based on assignment. 

Knowledge of: 

• Operation and repair of pumps, valves, gearboxes, piping, and related mechanical equipment in water or wastewater settings. 
• Machining, welding, rigging, and alignment practices. 
• Predictive maintenance tools and interpretation of diagnostic results. 
• Applicable safety codes and Cal/OSHA regulations. 
• Use of CMMS (Computerized Maintenance Management Systems) and Microsoft Office Suite. 

Ability to: 

• Independently perform complex mechanical repairs and installations. 
• Lead or assist in training other mechanics. 
• Maintain detailed maintenance records and reports. 
• Work safely under demanding conditions including heights, confined spaces, and in the presence of sewage, chemicals, or hazardous environments. 
• Respond to emergencies and participate in after-hours standby when required. 

ADDITIONAL INFORMATION

PHYSICAL DEMANDS

Will lift 50 lbs. on a routine basis. Lift and carry up to 50 pounds regularly. Must be certified annually to wear respiratory equipment. Must be clean shaven such that facial hair does not interfere with the fit of self-contained breathing apparatus. Ability to exert moderately heavy physical effort in moderate to heavy work, typically involving some combination of climbing and balancing, stooping, kneeling, crouching, crawling, lifting, carrying, pushing, and pulling. Ability to operate heavy equipment and machinery with some requiring complex and rapid adjustments, such as power hand and shop tools, mechanic’s hand tools, shovel, motor vehicles, compressors, hoists, ladders, drafting tools, etc. 

ENVIRONMENTAL CONDITIONS

Ability to work under sometimes uncomfortable conditions with exposure to environmental factors such as toxic agents, wildlife, disease, or equipment, traffic, or machinery. Work in indoor and outdoor environments with exposure to extreme weather, noise, fumes, dust, hazardous materials, and confined spaces. Wear respiratory protection and maintain facial hair standards in compliance with fit-testing.