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Posted July 29, 2026

Mechanic I/II - Limited Duration

Union City, CA, USA Full Time
Compensation: $52.29 to $71.19 Hourly

Certifications
Not Applicable

Wastewater Plant Mechanic I/II (Limited Duration 7-8 years, Fully Benefited)

Wastewater Plant Mechanic I - $52.29 - $63.56 Hourly

$108,775.26- $132,217.07 Annually

Wastewater Plant Mechanic II - $58.57 - $71.19 Hourly

$121,828.72- $148,083.52 Annually

Elevate Your Career with Competitive Pay and Excellent Benefits!

*Notes on Limited-Duration

  • This is a fully benefited, 7-8 years project-funded role.
  • Employees in limited-duration roles are eligible to apply and compete for regular District vacancies in accordance with District rules; no appointment or extension is guaranteed.

About the District
Union Sanitary District is a special district serving Fremont, Newark, and Union City since 1918. We operate award-winning wastewater facilities and value safety, teamwork, and a work–life balance.

Why this role:

  • Impact that matters: Your work keeps critical treatment systems running safely.
  • Stability + growth: Fully benefited limited-duration 7-8 years project-funded role. You’ll gain deep experience and work with other professional mechanics.
  • Modern shop & tools: Join our Fabrication, Maintenance & Construction (FMC) team at our state-of-the-art facility.

Examples of Duties

  • Inspect, troubleshoot, maintain, and repair plant, shop, field, and construction equipment.
  • Perform preventive maintenance, overhauls, and equipment installations.
  • Contribute to a strong safety culture and responsive on-call rotation (when qualified).

Level placement:

  • Wastewater Plant Mechanic I: Semi-skilled, sub-journey work with training and progression.
  • Wastewater Plant Mechanic II: Journey-level diagnostics, repair, and PM on complex systems.

Qualifications

  • Wastewater Plant Mechanic I: Education/skills to follow written/oral instructions, keep records, perform shop math + 2 years semi-skilled mechanical maintenance/repair experience.
  • Wastewater Plant Mechanic II: High school (or equivalent) + recognized journey-level Maintenance/Plant Mechanic status.
  • Both levels: Valid CA Class C license/insurability; teamwork mindset; ability to work outdoors/overtime; basic CMMS & MS Office skills. Willing to join on-call rotation once proficient. Must obtain a Class B California Driver's license within one year.

Benefits:

  • CalPERS retirement; medical, dental, vision (employee + family)
  • Generous vacation & holidays; short-/long-term disability; life insurance
  • Deferred Compensation with matching

IMPORTANT!

Application Process:

Apply online at CAREERS AT USD | Sorted by Job Title ascending | . (governmentjobs.com)
By 4:00 PM on 08/30/2026
Qualified candidates will be invited to take an online Written Exam:
09/03/2026
In Person Performance Test to be held onsite at the District:
09/17/2026
In Person Qualifications Appraisal Interview:
10/05/2026
In Person Finalist interviews:
Week of 10/12/2026


All candidates must pass a background check, Live Scan fingerprinting which includes DOJ and FBI searches, DMV clearance, and pre-employment physical.

Accommodations: If you need accommodations during the application or selection process, please reach out to Human Resources at [email protected]

Additional Information: Employees are designated Disaster Service Workers and may be assigned emergency response duties as required by law.

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