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Water Plant Maintenance Mechanic (Lead)

Description


Salary: $54,866 - $82,342

Position Grade: 211T

Department: Water Division

Job Type: Full-Time (Permanent)

Examination Number: EX1727

Location: St. Louis, MO

This is a lead worker position, serving as a lead member of a crew tasked with installing, dismantling, overhauling, maintaining and assembling a variety of heavy mechanical equipment such as traveling intake screens, raw water and treated water pumps and pump motors, sluice gates, valves, boilers, air compressors, cooling towers, etc. Additional responsibilities include pipe welding, pipe threading, measuring and layout of piping systems, as well as operating overhead cranes and rigging large asymmetric machinery. Must be able to work in confined and deep structures and from suspended platforms.

Essential Functions and Responsibilities:

  • Performs complex duties which consist of installing, overhauling, and maintaining large and heavy machinery such as high volume pumps, motors, intake screens, sluice gates, valves, boilers, cooling towers, and air compressors.
  • Performs journeyman level welding tasks that include field welding pipe and other structures and perform this work in compliance with industry standards.
  • Operates overhead cranes and rigs large asymmetric machinery.
  • Uses a variety of tools such as electric and gas welding equipment, grinders, drills, pipe threaders, hand tools, etc.
  • Leads a crew in a variety of jobs.
  • Has the authority to make purchases with BPO's, SPO's, and Emergency Requisitions.
  • Schedules, plans, and lays out work.
  • Ensures safety equipment is on the job site and being used properly.
  • Resolves minor employee conflict.
  • Maintains work records and reports.
  • Performs other duties as assigned.

Knowledge, Skills and Abilities:

  • Data Utilization: Requires the ability to process, calculate, compute, summate, and/or tabulate data and/or information. Includes the ability to perform subsequent action in relation to these computational operations.
  • Human Interaction: Requires the ability to persuade, convince, influence, train and monitor the work of co-workers, in favor of a desired outcome. Requires the ability to act as a lead person.
  • Equipment, Machinery, Tools and Materials Use: Requires the ability to operate equipment and machinery requiring monitoring multiple conditions and making multiple, complex and rapid adjustments, such as hand and power tools, drills, saws, grinders, pullers, threading/tapping equipment, wrenches, welders, cutting torches, overhead cranes, rigging equipment, lifting equipment, boats and motor vehicles. Ability to repair complex equipment and machinery.
  • Verbal Aptitude: Requires the ability to utilize a wide variety of reference and descriptive data and information such as regulations, blueprints, equipment manuals, time sheets, tool catalogs, shop manuals and general operating manuals.
  • Mathematical Aptitude: Requires the ability to perform addition, subtraction, multiplication and division; calculate percentages, fractions and decimals; perform mathematical operations involving basic geometry.
  • Functional Reasoning: Requires the ability to apply principles of influence systems such as leading, teaching and coordinating. Ability to exercise independent judgment to apply facts and principles for developing approaches and techniques to problem resolution.
  • Situational Reasoning: Requires the ability to exercise the judgment, decisiveness and creativity required in situations involving the evaluation of information against measurable or verifiable criteria.
  • Environmental Factors: Tasks may risk exposure to adverse environmental conditions, such as dirt, dust, wetness, humidity, rain, fumes, temperature and noise extremes, machinery, vibrations, electric currents
  • Physical Requirements: Tasks involve the regular and sustained performance of moderately physically demanding work, typically involving some combination of climbing and balancing, stooping, kneeling, crouching, crawling, and lifting, carrying, pushing, and pulling moderately heavy objects and materials, twenty (20) to fifty (50) pounds.
  • Sensory Requirements: Requires the ability to recognize and identify similarities or differences between characteristics of colors and shapes to follow color coded diagrams and clearly distinguish objects, sounds to detect malfunctioning equipment and tools.

Qualifications


Two years of experience in repairing and maintaining a variety of heavy mechanical equipment that includes welding and pipe work; OR, successful completion of a welding, pipefitting, or millwright apprenticeship program plus one year of experience. OR, an equivalent combination of education, training, and experience.

License: Must possess and maintain a valid driver's license while employed by the City of St. Louis. Must possess a valid driver's license at the time of filing application and be able to present it upon request. Please note type of license, number, class and expiration date on the Employment Application. Only qualified applicants who provide proof of a valid driver’s license will be considered for this position.

Scoring Components and Their Weights
Experience and Training: 100%
May be Subject to:
Background Investigation: Pass/Fail
Medical Examination: Pass/Fail

Documentation of Academic Credentials must be Submitted Upon Request

When completing the Employment History and the Educational/Training History sections of the Employment Application, please be as thorough as possible when describing your education, training and experience relating to this position. Applicants will only receive credit for their experience, training and education as shown on the application. Resumes will not be accepted as a substitute to a fully completed application. Incomplete applications will not be considered.

Veterans Preference Points

To be eligible for veteran's preference points, the applicant must submit a copy of their DD 214 Certificate of Release or Discharge from Active Duty with the Employment Application or upon request. The Director of Personnel may, in their discretion, accept alternate documentation.

City Residence Preference Points

City residents who pass an examination for a position in the classified service and do not receive any other preference will receive a five (5) point preference on a scale of 100 points on the exam. An additional one (1) point shall be added to the passing score of City residents who receive any other preference on a scale of 100 points. City residents must have resided in the City for at least one (1) year at the time of filing their application to be eligible for the preference points.

Accommodations

If assistance with the job application is necessary based on a physical impairment, mental impairment, or otherwise, they should reach out to the Office on the Disabled with contact information. This office will not disclose any information that an applicant or employee has a disability or has discussed possible accommodations without the applicant's or employee's prior consent.


Job Posting: Jul 30, 2026, 12:33:14 PM

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