Wastewater Treatment Plant (WWTP) Maintenance Machinist, Senior

City of Tacoma
747 Market St Rm 1336, Tacoma, Washington
Job Type
Job Post Expires On


TO APPLY: Please visit: https://www.governmentjobs.com/careers/tacoma/jobs/3946048/wastewater-treatment-plant-wwtp-maintenance-machinist-senior?keywords=wastewater&pagetype=jobOpportunitiesJobs

The City of Tacoma Environmental Services Department, Operations and Maintenance Division is seeking Senior Wastewater Treatment Plant Maintenance Machinists to perform complex duties in the maintenance and repair of wastewater treatment plants, pump stations, machinery equipment, and related systems; to fabricate special tools, parts and equipment; and to plan and oversee maintenance schedules, train and provide work direction to Maintenance Machinists and Wastewater Treatment Plant Assistants. The ideal candidates will possess both exceptional technical ability and the ability to effectively lead and motivate their team.

  • Perform complex duties in the maintenance and repair of hydraulic systems and controls, plumbing, various treatment plant and pump station equipment and other assigned equipment, buildings and facilities
  • Oversee and plan maintenance schedule for subordinates; oversee and participate in preventive maintenance program; train maintenance machinists and recommend disciplinary action as appropriate. May create SAP work orders and notifications
  • Participate in and conduct employee evaluations.
  • Recommend improvements and modifications to existing facilities
  • Fabricate special tools, parts and equipment; operate a lathe
  • Operate arc and acetylene welding equipment in repairing parts and equipment as needed
  • Remove, transport, replace and install equipment; repair or rebuild as necessary using various equipment such as mobile cranes and portable lifting devices
  • Identify source of oil spills and assist with the removal of oil as required
  • Order supplies and materials according to established procedures; contact vendors as needed; schedule necessary repairs of equipment in a timely and efficient manner
  • Contact various departments and others to coordinate repair and maintenance activities and procure supplies
  • Prepare and maintain electronic records and reports related to daily activities
  • Operate a variety of tools, equipment machines such as electrical testing equipment welders, lathes, generators, portable pumps, saws, drills, roto-hammers and other power and hand tools; operate forklifts, mobile cranes and City vehicles

Work includes indoor and outdoor environment; subject to driving from site to site and noise, and working in confined spaces with fumes and odors. The physical demands described herein are representative of those that must be met by an employee to successfully perform the essential functions.

A position in this class is generally exposed to prolonged period of standing, bending, climbing, loud industrial noises, fumes, and gases, working in confined spaces, above and underground, use and operating a variety of hand/power tools, equipment, and machinery requiring finger and hand dexterity, working in the field or in a plant working environment in all types of weather conditions and using proper safety equipment and devices. Walking, sitting, climbing or descending ladders and ability to enter tight and confined spaces. Position requires positioning self under and/or around equipment, ascending/descending, and moving objects weighing 90 pounds or more.

An employee in this position may be exposed to potentially hazardous materials.

City of Tacoma Commitment to Diversity and Inclusion:

Tacoma's diversity is its greatest asset. Tacoma embraces its multi-cultural and multi-ethnic character. Communities of color and immigrant communities are fundamental to Tacoma's entrepreneurial spirit, workforce, and long-term success. In Tacoma, equity and empowerment are top priorities, meaning that all Tacoma residents must have equitable opportunities to reach their full potential and share in the benefits of community progress.  One of our goals is for the City of Tacoma workforce to reflect the community it serves. We actively work to eliminate racial and other disparities and welcome candidates with diverse backgrounds and/or multicultural skill sets and experiences. Our goal is for Tacoma to be an inclusive and equitable place to live, work, and play.

Wastewater Treatment Plant (WWTP) Maintenance Machinist, Senior description image



An equivalent combination to graduation from high school AND:

Completion of approved four-year machinist apprenticeship program and/or college level technical training (i.e. Associate of Applied Science or equivalent two year technical certificated training program)


Five years of increasingly responsible experience in the repair, maintenance, removal and installation of mechanical, hydraulic and electrical systems including experience in a waste water treatment or five years permanent/fulltime work in a heavy industrial maintenance mechanic trade

Valid Washington State driver's license at time of appointment with maintenance thereafter.

Knowledge & Skills


  • Basic wastewater treatment plant processes and impact of equipment malfunctions
  • Safety techniques, testing and procedures in handling dangerous or hazardous gases and/or confined spaces as related to a wastewater treatment plant
  • Basic principles of the skilled maintenance trades. Basic plumbing and electricity
  • Oral and written communication skills
  • Methods, tools, equipment and materials used in wastewater treatment
  • Plant equipment maintenance, repair, removal and installation
  • Proper methods of storing equipment, materials and supplies
  • Health and safety regulations
  • Requirements of maintaining City waste water treatment plant equipment in a safe, clean and orderly condition
  • Applicable regulations, policies and procedures. Technical aspects of field of specialty
  • Skill with computers and software. Record-keeping techniques
  • Machine tool operation
  • Train and provide work direction to others. Understand and follow oral and written directions. Follow applicable health and safety procedures
  • Establish and maintain cooperative and effective working relationships with others
  • Perform complex maintenance and repair of plant equipment using a variety of power and hand tools and complex test equipment
  • Analyze situations accurately and adopt an effective course of action. Work from blueprints, shop drawings and sketches
  • Perform heavy manual labor. Meet schedules and time lines
  • Work independently with little direction. Plan and organize work
  • Inspect equipment, diagnose problems and correct as needed
  • Perform maintenance machinist and a variety of skilled maintenance work


Selection Process & Supplemental Information


To be considered for this career opportunity:
nterested individuals must apply online and meet the minimum qualifications to progress in the examination process. Applicants are encouraged to attach a current resume and cover letter detailing their qualifications for the position.

Applicants who separated or retired and who are eligible for veterans scoring criteria (Veterans Preference) must attach a copy of their DD-214 member copy 4, proof of military discharge form at time of application.

Examination Process:
This is a competitive selection process. Applicants who meet the minimum qualifications will have Supplemental Questions #6-11 reviewed and scored by a committee of subject matter experts, as the Experience and Training Test. These questions will be scored on the basis of information provided; therefore, it is the responsibility of the applicants to adequately describe all pertinent experience and training. Please make sure you read the questions and provide complete informative answers, including your roles in the position and key activities.  DO NOT respond with see resume in lieu of answering these questions; this will result in a failing score. Applicants must pass this evaluation to be placed on the eligible list for hiring consideration.

Per City of Tacoma Personnel Management Policy #170, the City of Tacoma is a drug-free work environment.  Appointment is subject to successful completion of a pre-employment background check, pre-employment medical exam, a drug and alcohol screen and may include a physical ability test.

This position is covered by a Labor Agreement between the City of Tacoma and Local 160. New employees must successfully complete a nine-month probationary period prior to obtaining permanent status in this classification.

The City of Tacoma offers a generous program of employee benefits:

  • Outstanding working conditions and an exceptional quality-of-life environment.
  • Medical coverage for eligible employees, spouses and dependents, including children up to age 26.
  • Vision care with VSP for employees and eligible dependents enrolled in the Regence PPO medical plan with vision benefits.
  • Dental coverage for eligible employees and their elected dependents, including dependent children up to the age of 26.
  • Deferred compensation allowing tax-deferred savings as authorized under Section 457 of the IRS Code.
  • Personal time off.
  • Paid holidays.
  • A great pension plan.

Our City:
With a population over 200,000, Tacoma is the second largest city in the Puget Sound region, gracing the shores of Commencement Bay. We are a diverse, progressive, international city that serves as a gateway to the Pacific Rim and the rest of the world.  Named one of the most livable areas in the country by Livability.com, Tacoma and the surrounding area is a playground for outdoor and maritime enthusiasts.  Our businesses are vibrant, our parks are beautiful, our schools are exceptional and our housing is affordable.

When you work for the City of Tacoma you'll enjoy a healthy work/life balance, continuing education programs, leadership pathways, wellness incentives, excellent retirement benefits and a total rewards benefits program with competitive salaries and outstanding benefits. We welcome you to take a look at our website and discover how the City of Tacoma can make your next career move part of our combined destiny:

The City of Tacoma believes that each employee makes a significant contribution to our success.  This job description is designed to outline primary duties, qualifications and job scope.  The omission of specific statements of duties does not exclude them from the position if the work is similar, related or a logical assignment to the position.

Communication from the City of Tacoma:
We primarily communicate via email during the application process. Emails from cityoftacoma.org and/or governmentjobs.com must be placed on your safe domain list to ensure that you receive notifications in a timely manner. As a precaution, you may also want to check your junk email folders.

The online application system requires you to enter a substantial amount of information. Be prepared to spend an hour or more entering the required information. In order for your application materials to be considered, all information must be submitted by the closing date and time listed on this job announcement.

If you have any additional questions regarding this position, please contact the Human Resources Department at 253.591.5400 before 4:00 pm on the closing date.