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Senior Diesel Performance Jobs (NOW HIRING)

Cox Fleet

Sr Shop Diesel Mechanic

Miami, FL · On-site

$24 - $31.50/hr

The Sr. Shop Diesel Technician will be responsible for performing licensed DOT inspections ... level performance metrics. DUTIES * Always follow and comply with safe operating practices and ...

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Senior Diesel Performance information

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$49.5K

$127.1K

$209.5K

How much do senior diesel performance jobs pay per year?

As of Jun 5, 2026, the average yearly pay for senior diesel performance in the United States is $127,122.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,500.00 and $149,000.00 per year, depending on experience, location, and employer.

What is the difference between Senior Diesel Performance vs Diesel Technician?

AspectSenior Diesel PerformanceDiesel Technician
CertificationsASE certifications, Diesel Performance certificationsASE certifications, Diesel mechanic certifications
Work EnvironmentPerformance shops, custom tuning facilitiesRepair shops, dealerships, service centers
Job FocusOptimizing engine performance, tuning, upgradesDiagnosing, repairing, maintaining diesel engines
Industry UsagePerformance enhancement, aftermarket modificationsGeneral diesel engine repair and maintenance

Senior Diesel Performance specialists focus on enhancing diesel engine power and efficiency through tuning and upgrades, often working in performance shops. Diesel Technicians perform repairs and maintenance on diesel engines across various settings. While both roles require similar certifications, their work environments and job focuses differ significantly.

What types of projects or challenges can a Senior Diesel Performance specialist expect to tackle on a typical day?

As a Senior Diesel Performance specialist, you’ll often work on complex diagnostic issues, performance upgrades, and custom tuning for diesel engines. Your day may involve collaborating with mechanics, engineers, and customers to troubleshoot problems, install high-performance components, and ensure compliance with emissions standards. You’ll also provide mentorship to junior technicians, contribute to process improvements, and stay updated on the latest diesel technologies. The role requires strong technical expertise and effective communication skills to handle multifaceted projects and customer needs.

What are the key skills and qualifications needed to thrive as a Senior Diesel Performance Technician, and why are they important?

To thrive as a Senior Diesel Performance Technician, you need in-depth knowledge of diesel engines, performance tuning, diagnostics, and typically several years of hands-on experience or relevant certifications (such as ASE or manufacturer-specific credentials). Proficiency with diagnostic tools, performance tuning software, and engine management systems is crucial. Strong problem-solving skills, attention to detail, and effective communication help you excel in both technical troubleshooting and customer interactions. These skills ensure accurate diagnostics, high-quality performance upgrades, and customer satisfaction in a specialized and rapidly evolving field.

What does a Senior Diesel Performance Specialist do?

A Senior Diesel Performance Specialist is responsible for enhancing and optimizing the performance of diesel engines, typically in vehicles or industrial equipment. They diagnose engine issues, recommend and implement performance upgrades, and ensure compliance with safety and emissions standards. Additionally, they may lead teams, train junior technicians, and work closely with clients to meet specific performance goals. Their expertise helps maximize engine efficiency, power, and reliability.
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What cities are hiring for Senior Diesel Performance jobs? Cities with the most Senior Diesel Performance job openings:
What are the most commonly searched types of Diesel Performance jobs? The most popular types of Diesel Performance jobs are:
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What job categories do people searching Senior Diesel Performance jobs look for? The top searched job categories for Senior Diesel Performance jobs are:
Senior Diesel Performance jobs near you
Infographic showing various Senior Diesel Performance job openings in the United States as of May 2026, with employment types broken down into 74% Full Time, 13% Contract, and 13% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $127,122 per year, or $61.1 per hour.
Senior Diesel and Heavy Equipment Mechanic

Senior Diesel and Heavy Equipment Mechanic

The Ascendancy Group LTD

Virginia Beach, VA • On-site

$23.75 - $31.25/hr

Other

Posted 9 days ago

Job description

Description

*Deadline for applying is 20 April 2026. Anticipated start date is 28 July 2026. This position is contingent upon contract award*


The Ascendancy Group's Mission

To be the unequaled provider of special operations forces (SOF) and Intelligence Community focused technical, service, and training-based solutions.


Security Requirement:

A SECRET security clearance is required.


Roles and Responsibilities:

  • Mechanics shall be capable of performing all levels of repairs on automotive, heavy truck and construction equipment both in the shop or field with no supervision.
  • Understand and follow all regulations related to safety, handling hazardous materials, and facility access.
  • Perform inspections, preventive maintenance, and repairs identified during initial inspections and as per the guidance recommended by the Original Equipment Manufacturer (OEM) and/or the NAVFAC P-300.
  • Conduct mandated 120 calendar day cycle for completing general maintenance and safety inspections on each piece of equipment.
  • Schedule all equipment for service every 120 calendar days or sooner in the event the vehicle accumulates high mileage within the normal service cycle.
  • Manage inventory list of equipment by Shop Location, Equipment Identification Number, Make, Model, Year, type of fuel and current mileage.
  • Pick up vehicles requiring service from a location designated by the Government's Transportation Officer for each respective Shop Location.
  • Perform maintenance and repair to Government owned equipment with total numbers varying by +/-5% during the performance period.
  • Conduct scheduled maintenance in three specific levels identified as "A", "B", and "C" based on mileage or time. Standard vehicle safety inspections shall be completed as a specific task on every scheduled maintenance Shop Repair Order (SRO).
  • Conduct direct liaison with the government to discuss access to equipment, maintenance schedules, and use of Government furnished equipment (GFE) if provided.
  • Perform welding, metal forming, sheet metal work, minor body, and fender repairs.?
  • Provide maintenance and repair on ground support equipment such as, but not limited to, off-road utility vehicles, golf carts, lawn mowers, pressure washers, tree and brush trimming equipment, generators, compressors, hydraulic attachments and other small portable engine powered tools used to support grounds maintenance work.

Requirements:

  • Must possess a valid state driver's license from their state of residency to operate motor vehicles.
  • Have a minimum of six (6) years' experience as an Original Equipment Manufacturer (OEM) mechanic at truck tractor dealership, commercial fleet service shop, intermediate or depot level military maintenance facility or have E7 - E8 level military experience with diesel engines over 400 hp or Civil Engineering Support Equipment.
  • Possess a Master Mechanic Automotive Service Excellence (ASE) certification in medium-heavy trucks or military tactical wheeled vehicles or completing of a "C" level military technical school. ASE requirement can be waived with five years of experience as a Depot Level Shop lead Mechanic or Supervisor.
  • Be able to use Asset Works LLC software "Fleet Focus" to record maintenance actions, track time and document parts ordered and installed.
  • Must have the ability to fix all tactical, expeditionary, and non-tactical equipment in the shop; provide expert input on maintenance issues; and provide oversight to less experienced personnel.
  • Shall be available during standard business hours to address issues and workflow.?

Preferred:

  • Commercial Driver's License (CDL) rated at more than 26,000lbs Gross Vehicle Weight

The Ascendancy Group (TAG) was founded on and thrives based on relationships, reputation, and trust.


We are passionate about everything we do. One hundred percent of our government-focused teammates are former members of the Department of War or the Intelligence Community who still believe in supporting our nation. We offer like-minded individuals the opportunity to continue working in small teams on unique and challenging problem sets that further our nation's security.


If you possess the experience, qualifications and drive required for this position, please APPLY NOW for consideration!

Apply