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Diesel Engineer Jobs in Portland, OR (NOW HIRING)

Mechanic Foreman

Portland, OR · On-site

$43.26 - $48.07/hr

Support the Port Engineer with vessel and equipment status updates, drydock and out-of-service time ... Strong understanding of the operation and maintenance of marine and industrial diesel engines.

Mechanic Foreman

Portland, OR · On-site

$43.26 - $48.07/hr

Support the Port Engineer with vessel and equipment status updates, drydock and out-of-service time ... Strong understanding of the operation and maintenance of marine and industrial diesel engines.

Mechanic Foreman

Portland, OR · On-site

$43.26 - $48.07/hr

Support the Port Engineer with vessel and equipment status updates, drydock and out-of-service time ... Strong understanding of the operation and maintenance of marine and industrial diesel engines.

... engineers to our most senior leaders. You will always go to work knowing that everyone you are ... diesel, air, hydraulic, and drop hammers · Working knowledge of construction rigging, including ...

Mate

Portland, OR · On-site

Basic marine engineering knowledge of diesel machinery, hydraulics, and liquid load management. * Excellent communication skills and team-building skills. * Pre-employment drug test and continual ...

... engineers to our most senior leaders. You will always go to work knowing that everyone you are ... diesel, air, hydraulic, and drop hammers • Working knowledge of construction rigging, including ...

New

Mate

Portland, OR · On-site

Basic marine engineering knowledge of diesel machinery, hydraulics, and liquid load management. * Excellent communication skills and team-building skills. * Pre-employment drug test and continual ...

Showing results 41-52

Diesel Engineer information

See Portland, OR salary details

$5

$42

$54

How much do diesel engineer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for diesel engineer in Portland, OR is $42.15, according to ZipRecruiter salary data. Most workers in this role earn between $34.66 and $47.93 per hour, depending on experience, location, and employer.

What is a diesel engineer?

Diesel Engineers are specialized professionals who design, maintain, repair, and oversee diesel engines and related systems. They work with a variety of diesel-powered equipment, such as trucks, buses, ships, generators, and heavy machinery. Their responsibilities typically include diagnosing engine problems, performing routine maintenance, ensuring compliance with safety standards, and sometimes upgrading engine systems for better efficiency. Diesel Engineers may work in industries like transportation, construction, agriculture, or energy, and often need strong mechanical skills and knowledge of diesel engine technology.

What does a diesel engineer do?

The duties of a diesel engineer or mechanic are to inspect, maintain, and repair diesel engines. They perform diagnostics on engines and inspect the parts and system machinery to determine what service is required on the vehicle. A diesel engineer regularly utilizes diagnostic equipment and other tools, and they should have an in-depth knowledge of the diesel electrical system. Customer service skills are also important when describing a repair to a customer.

What are the key skills and qualifications needed to thrive as a diesel engineer, and why are they important?

To thrive as a Diesel Engineer, you need strong mechanical aptitude, knowledge of diesel engine systems, and typically a degree or diploma in mechanical or automotive engineering. Familiarity with diagnostic tools, engine management software, and industry certifications such as ASE Diesel Certification are often required. Problem-solving ability, attention to detail, and effective communication are standout soft skills in this role. These skills ensure accurate diagnostics, efficient repairs, and reliable engine performance in various industrial and transportation settings.

What are some typical challenges diesel engineers face when working on large-scale projects?

Diesel Engineers working on large-scale projects often encounter challenges such as coordinating with multidisciplinary teams, troubleshooting complex engine issues under tight deadlines, and ensuring compliance with strict environmental and safety regulations. Effective communication and adaptability are crucial, as project requirements may change and unexpected technical problems can arise. Additionally, staying up-to-date with advancements in diesel technology and emission standards is essential for success in this dynamic field.

What is the difference between Diesel Engineer vs Mechanical Engineer?

AspectDiesel EngineerMechanical Engineer
CertificationsRelevant certifications in diesel systems, such as ASE or manufacturer-specific trainingEngineering degrees, often a Bachelor's in Mechanical Engineering
Work EnvironmentWorkshops, repair facilities, and on-site at transportation or industrial companiesDesign offices, manufacturing plants, or research labs
Industry UsageTransportation, maritime, and industrial sectors focusing on diesel enginesBroad industry applications including automotive, aerospace, manufacturing, and energy

Diesel Engineers specialize in maintaining and repairing diesel engines, often requiring specific certifications and working in hands-on environments. Mechanical Engineers have a broader scope, focusing on design, analysis, and development across various engineering fields. While both roles require engineering knowledge, Diesel Engineers focus more on practical maintenance within specific industries, whereas Mechanical Engineers are involved in design and innovation across multiple sectors.

How much do diesel engineers get paid?

Diesel engineers typically earn a median annual salary of around $50,000 to $70,000, depending on experience, location, and certifications. Skilled diesel engineers with specialized knowledge of engines and maintenance procedures can earn higher wages, especially in industrial or transportation sectors.

What are popular job titles related to Diesel Engineer jobs in Portland, OR?

For Diesel Engineer jobs in Portland, OR, the most frequently searched job titles are:

What job categories do people searching Diesel Engineer jobs in Portland, OR look for?

The top searched job categories for Diesel Engineer jobs in Portland, OR are:

Infographic showing various Diesel Engineer job openings in Portland, OR as of August 2026, with employment types broken down into 88% Full Time, 7% Part Time, and 5% Contract. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution, with an average salary of $84,481 per year, or $40.6 per hour.

Mechanic Foreman

Foss Maritime

Portland, OR • On-site

$43.26 - $48.07/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 29 days ago


Job description

Direct and coordinate maintenance personnel and vendors to safely accomplish repairs and upgrades on a fleet of tugs and barges. This includes management of hazardous and non-hazardous waste materials, proper utilization of resources and strategic planning that lends itself to absolute minimum downtime of company equipment. Associated skills required are the ability to perform accurate diagnostic evaluations and service/repair tasks. A high level of cost sensitivity and professionalism is required, as the position will occasionally require serving as the owners' representative. Safe operation of yard equipment and machinery is essential.
Essential Functions:
Supervision
  • Plan, prioritize, and oversee preventative maintenance and repair work to vessels and equipment.
  • Assign tasks based on mechanical skill level and operational urgency.
  • Oversee, mentor, and develop Mechanics in their daily work.
  • Provides technical direction and support.

Shoreside Equipment and Facilities Maintenance and Repair
  • Maintain yard and shop equipment in accordance with company policies and regulatory standards.

Safe working mindset
  • Adhere to and enforce Foss safety standards. Promote a strong safety culture and ensure all Mechanics consistently follow safety protocols.

Environmental Preservation
  • Ensure proper handling, storage, transportation, and disposal of all environmentally sensitive materials in compliance with regulations.

Vessel Maintenance and Repair
  • Support the Port Engineer with vessel and equipment status updates, drydock and out-of-service time planning (including budgeting) and equipment failure investigations and analysis.
  • Ensure effective preventative maintenance and repairs to vessels and equipment.
  • Assists in diagnostic evaluations of machinery.
  • Supervises and assist vendors in overhauls of propulsion, auxiliary engines, and drives.
  • Identify maintenance issues and initiate a plan of repair.
  • Manage and oversee repairs at external shipyards.
  • Supports vessel purchases, charters and modifications.

Facilities Maintenance and Repair
  • Oversee warehouse operations, inventory management, and procurement of equipment and parts.
  • Coordinate facility maintenance and vehicle management.
  • Provide logistical support for parts and materials as needed.

Knowledge, Skills and Abilities:
  • Strong understanding of the operation and maintenance of marine and industrial diesel engines.
  • Ability to repair and operate a wide variety of equipment, including engines, winches, motors, and transmissions.
  • Basic diagnostic and repair skills for marine subsystems (hydraulic, pneumatic, electrical, and fuel systems).
  • Proficiency in the safe use of hand and power tools.
  • Basic welding skills.
  • Ability to communicate effectively (verbal and written) with individuals of diverse backgrounds.
  • Ability to read and interpret technical manuals, drawings, schematics, and blueprints.
  • Basic computer proficiency.
  • Working knowledge of AC and DC electrical systems.
  • Experience with electronic engine diagnostic tools is preferred.
  • Willingness to work extended hours as needed to safely complete projects.

Working Conditions: Work is performed in environments wherein oily decks, high room temperatures, and high noise levels will be present. Regular and predictable attendance is a requirement.
Minimum Qualifications: High School Education or equivalent education required. A minimum of six years in all phases of marine maintenance is required.
Physical /Mental Demands: While performing the duties of this job, the employee will be involved with frequent use of lifting tools such as chain hoists, slings, and general rigging. Must be able to ascend/descend stairs and ladders, must have good agility and the ability to lift up to 50lbs. Ability to enter, exit and work in tight spaces.
Position Content: This job description is not intended to be and should not be construed as an all-inclusive list of all the responsibilities, skills, working conditions associated with the positions. While it is intended to accurately reflect the position activities and requirements, these requirements may change over time. Management reserves the right to modify, add or remove duties and assign other duties as necessary.
Compensation: Pay for this position will be between $43.26 - $48.07 per hour depending on experience. This is a non-exempt position that is eligible for overtime.
Benefits:
  • The benefit program includes medical, dental, and vision coverage for you and your family.
  • This position will accrue 15 days of vacation a year. Accrued vacation will be vested and available for use after successfully completing six (6) months of service.
  • Life insurance equal to two times annual base salary.
  • Accidental death and dismemberment insurance. Long term disability insurance.
  • 401k program with a 4% match, vested immediately.
  • Employee Assistance Program.
  • Flexible Spending Accounts.
  • Business travel assistance program.
  • Other voluntary benefits are available for purchase via payroll deduction at group rates.
  • Nine (9) paid holidays with two (2) additional floating holidays available after six (6) months of service.
  • Full time employees will accrue ninety-six (96) hours of sick leave per year, up to a maximum of 1,040 hours.
  • Bereavement Leave - three (3) paid days off for a death in the immediate family, or five (5) days off if travel greater than 500 miles is required.
  • Tuition reimbursement.
  • All other benefits as required by law

How to Apply: Submit your application via our careers page. If you need any assistance please reach out to fossjobs@foss.com. We look forward to welcoming you aboard.
Drug Free Workplace: Foss Maritime Company LLC is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
Equal Opportunity Employer: Foss Maritime Company LLC is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.