Marine Engine Systems Technician (Diesel Engines) – Journey/Mid-Level

Location: El Cajon, CA

Department: Field Service – Marine

Reports To: Field Service Manager

Work Type: Full-Time | On-Site with Field Travel

Travel: Up to 25% (vessel and marine environments)

Compensation: $45.00–$62.00 per hour, plus an additional $1.50 per hour field rate (based on experience).

Sign-On Bonus: $1,000 sign-on bonus + field service bonus opportunities

Relocation Assistance Available

Are you a diesel expert who thrives on diagnosing the root cause, following precise procedures, and owning the outcome? We’re looking for a mid-level to journey level technician with a strong background in marine diesel propulsion systems, ideally including MTU or similar engines. If you’re motivated by solving technical problems in the field, value structure and accountability, and want your skills to make a measurable impact, this is your next career move. Join a high-performance team where results, not noise, are rewarded.

As a Marine Engine Systems Technician, you’ll lead inspections, overhauls, diagnostics, and service work for large-bore marine diesel engines across vessels, shipyards, and customer sites. You’ll work independently with minimal oversight, using advanced tools like MTU DiaSys to verify and adjust system performance. The ideal candidate is confident, process-driven, and understands how to balance speed with precision. You’ll also support sea trials, mentor apprentices, and ensure every service record reflects your commitment to quality and accuracy.

• Diagnose and repair large-bore marine diesel engines and propulsion systems
• Perform MTU dyno acceptance testing and adjust engines to factory specifications
• Conduct field service work on vessels, shipyards, and at customer facilities
• Maintain detailed documentation of diagnostics, parts, service history, and reports
• Represent the company on-site with professionalism and clear technical communication
• Maintain an organized company vehicle and personal tool set
• Mentor apprentices and uphold safety and quality standards in all tasks
• Complete manufacturer training and certifications (online and in person)

• High School Diploma or GED required; technical training or diesel certification preferred
• 3+ years of hands-on experience with diesel engines
• Proficient with diagnostic software, engine electronics, and multimeters
• Valid driver’s license with clean driving record
• TWIC (Transportation Worker Identification Credential) card or the ability to obtain one in the future
• Applicants with experience limited to automotive or light-duty engines (cars, pickups, etc.) will not be considered this role requires experience with heavy-duty diesel or marine propulsion systems

• Experience with marine field service or shipyard support
• Experience with CAT, Cummins, MAN, or MTU DiaSys marine engines
• Familiarity with EPA Tier engine regulations and OEM standards
• Ability to read and interpret detailed schematics, manuals, and service bulletins
• Comfortable working independently in variable environments, including confined spaces

MSHS Pacific Power Group is a leader in power and propulsion solutions across the marine, energy, and industrial sectors. Our technicians work on critical, high-performance diesel systems that keep operations running smoothly across the Gulf Coast and beyond. We believe in equipping our teams with the right tools, clear expectations, and strong support systems. If you value professionalism, autonomy, and mastery of your craft, you’ll find yourself at home here. We offer competitive compensation, robust benefits, and a culture that rewards accuracy and results.

• Medical, dental, and vision coverage

• 401(k) with company match

• Paid time off and holidays

• Tuition reimbursement and paid OEM training

• Tool and uniform reimbursement programs

• Company-paid life and disability insurance

• Annual performance and field service bonuses

Apply now to join a team where diesel expertise, independence, and precision aren’t just valued — they’re essential.

Equal Opportunity Employer

MSHS PPG is an Equal Opportunity Employer. All employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws.

Drug-Free Workplace

MSHS PPG is a Drug-Free Workplace. All offers of employment are contingent on successful completion of a drug and alcohol screening, which may include testing for marijuana in compliance with applicable federal regulations and relevant state labor laws. We understand that marijuana laws vary by state, and our testing policies are designed to ensure compliance with both federal and state requirements where applicable.