Trailer Mechanic – Registered Tank Inspector

Depot Connect International

. Conduct DOT and HM183-compliant inspections on low-pressure liquid and chemical trailers, including MC 306/406 and MC 307/407 .

Posted 9/17/2026full-timeBloomington • California • United StatesJuniorMid-Level💰 $22 - $42 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in conducting DOT and HM183-compliant inspections and repairs on low-pressure liquid and chemical trailers, with a strong focus on safety standards and technical compliance. Proficient in mechanical, electrical, and structural diagnostics, as well as TIG welding capabilities.

Highest-signal resume keywords

DOT Inspection CertificationTank Trailer Repair ExperienceDOT HM183 Testing MethodologiesHeavy-Duty Air Brake Systems TroubleshootingTIG Welding

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

DOT InspectionsTank Trailer MaintenanceMechanical DiagnosticsElectrical DiagnosticsStructural RepairsTIG WeldingAir Brake Systems RepairPiping Systems RepairTechnical Manual InterpretationFederal Compliance Standards

Soft Skills

Attention to DetailOrganizational SkillsSafety Awareness

Tools & Technologies

Inspection ToolsWelding EquipmentDiagnostic Tools

Certifications & Qualifications

DOT Inspection Certification

Industry Keywords

DOT ComplianceHM183 StandardsCargo Tank TestingConfined-Space SafetyOSHA Procedures

About the role

Key responsibilities & impact

Conduct DOT and HM183-compliant inspections on low-pressure liquid and chemical trailers, including MC 306/406 and MC 307/407
Inspect, diagnose, repair, and maintain specialized tank trailers
Diagnose and repair mechanical, electrical, structural, tank piping, and valve systems
Inspect, service, install, and repair trailer suspension and air brake systems
Ensure structural repairs and testing comply with federal hazmat safety standards
Maintain detailed inspection logs
Follow OSHA and confined-space safety procedures
Maintain a clean and organized shop floor
Perform TIG welding on aluminum, stainless steel, or carbon steel as a preferred capability

Requirements

What you’ll need

DOT Inspection Certification Required (Meets FMCSA criteria for a Registered Cargo Tank Inspector)
2+ years of dedicated tank trailer repair and testing experience preferred; ideal candidate has 3–5 years
Deep familiarity with DOT HM183 cargo tank testing requirements, including V, I, L, P, T, K testing methodologies
Experience troubleshooting and repairing heavy-duty air brake systems, suspensions, and industrial piping
Ability to read, understand, and execute repairs according to technical manuals, blueprints, and federal compliance standards
Ability to regularly lift and/or move up to 50 lbs and occasionally up to 75 lbs with assistance
Ability to safely enter, exit, and work inside tank trailer manholes in a confined-space environment
Ability to stand, bend, kneel, and work in physically demanding shop conditions

Benefits

Comp & perks

Skill-Based Pay Reviews: Earn automatic pay rate evaluations every 6 months as you level up your skills until you hit top pay
Production Bonuses: Earn extra compensation based on your efficiency and output
Advanced Certifications: Access to resources and training to become a National Board ASME Certified Welder
Tool Purchase Program
Transparent career advancement tracks within a massive, global logistics footprint
Partially employer-paid medical, dental, and vision insurance
401(k) with a generous employer match (Traditional and Roth options)
100% employer-paid short-term/long-term disability and group life insurance (up to 1.25x annual salary)
Paid Time Off (PTO) plus 10 paid holidays
Optional HSA & FSA accounts
Tuition Reimbursement & Employee Referral Programs
Award-winning shop safety culture