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Diesel Shop Foreman

A-ADVANCED SEPTIC SERVICES INC
AUBURN, WA Full Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 6/16/2026

Diesel Shop Foreman


Pay: $125,000.00 – $145,000.00 Annually
Job Type: Full-time

Location: Auburn, WA


Summary

A Advanced Septic and Construction Services is looking for a Diesel Shop Foreman. Our ideal candidate will have 10 years of experience as a Heavy Equipment Diesel Mechanic and at least 5 years in a Foreman leadership role. You will both work alongside and oversee a small team of Diesel Mechanics.

Pay is based on experience and skill set.

You will be responsible for:

  • Repairing and maintaining both diesel and gas vehicles
  • Servicing fleets ranging from light to heavy-duty
  • Maintaining a variety of construction equipment from mini to full-size

Responsibilities

Heavy Equipment Diesel Mechanic Duties

  • Repair and maintain trucks, machinery, and equipment used in daily underground construction operations
  • Perform routine and specialized maintenance, including hydraulic, electrical, and pneumatic diagnostics and repairs on light to heavy-duty trucks
  • Conduct routine and annual DOT inspections on trucks, machinery, and equipment
  • Fabricate parts and tools necessary to complete specific tasks
  • Complete repairs both in the shop and on job sites
  • Maintain accurate records of all repairs using Excel spreadsheets

Shop Foreman Duties

  • Ensure compliance with all safety regulations; communicate expectations and hold team members accountable for safety practices
  • Interview, mentor, train, and develop new team members
  • Participate in hiring and separation processes
  • Assist HR with performance reviews for diesel shop team members
  • Oversee full shop operations, including daily priorities, organization, and personnel management
  • Schedule staff based on shop and business needs
  • Manage orders for parts and consumables
  • Provide training and development for Diesel Mechanics and Technicians as needed
  • Foster a positive, team-oriented work environment

Requirements

  • 10 years of Heavy Equipment Diesel Mechanic experience
  • 5 years of Foreman leadership experience
  • 4 years of experience in automotive electrical systems (diagnosing, troubleshooting, repairing/rewiring)
  • Availability to diagnose over the phone to assist swing shift mechanics during emergencies
  • Proficiency in diagnosing all systems
  • Strong electrical knowledge
  • Welding and fabrication proficiency
  • Confidence and experience in training and developing a team of diesel fleet mechanics
  • Valid WA State Driver’s License
  • Must be 23 years of age to meet insurance requirements
  • Ability to meet MVR requirements
  • Must pass a background check and drug screen
  • High standard of integrity and a strong work ethic

Licenses/Certifications

  • Required: Valid WA State Driver’s License
  • Preferred: CDL
  • Preferred: DOT Certification in Air Brakes

Benefits Package

We value our employees and offer a comprehensive benefits package, including:

  • Company-Paid Medical for Employees ($25.00 bi-weekly employee contribution)
  • Dental Insurance (Supplemental; available after 3 months)
  • Vision Insurance (Supplemental; available after 3 months)
  • Company-Paid $25,000 Life Insurance
  • Supplemental Life Insurance
  • 401K with 4% Company Match
  • Paid Sick Leave
  • Paid Time Off (PTO) Plans
  • Supplemental Aflac Insurance (Short- & Long-Term Disability, Critical Illness, Accident, etc.)
  • Pet Insurance (Supplemental; available through United Healthcare)
  • Retirement Plan
  • Professional Development Opportunities
  • Referral Bonus Program
  • Employee Discount Program
  • 6 Paid Holidays (after 6 months of employment)
  • Veterans Day as an Additional Paid Holiday for Veterans and Active Military (after 6 months of employment)

Schedule

  • Monday - Friday
  • Some flexibility with start and end times
  • On-call availability required to assist swing shift mechanics with phone diagnostics during emergencies
Qualifications:

Requirements

  • 10 years of Heavy Equipment Diesel Mechanic experience
  • 5 years of Foreman leadership experience
  • 4 years of experience in automotive electrical systems (diagnosing, troubleshooting, repairing/rewiring)
  • Availability to diagnose over the phone to assist swing shift mechanics during emergencies
  • Proficiency in diagnosing all systems
  • Strong electrical knowledge
  • Welding and fabrication proficiency
  • Confidence and experience in training and developing a team of diesel fleet mechanics
  • Valid WA State Driver’s License
  • Must be 23 years of age to meet insurance requirements
  • Ability to meet MVR requirements
  • Must pass a background check and drug screen
  • High standard of integrity and a strong work ethic

 

Licenses/Certifications

  • Required: Valid WA State Driver’s License
  • Preferred: CDL
  • Preferred: DOT Certification in Air Brakes

Salary : $125,000 - $145,000

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