Field Service Rep III

Defense Maritime Solutions; Chesapeake (VA); On-site; USD 85,000 - 120,000; Full time

Job summary

Defense Maritime Solutions is seeking a Field Service Rep III – Sr Diesel Technician to diagnose, repair, install and maintain advanced diesel engine systems at customer sites. The role combines hands-on service with autonomy, mentoring junior technicians, and delivering high-quality technical guidance.

You will travel to customer locations, supervise field activities, and ensure equipment performance. A strong background in diesel engines, troubleshooting, and field service within maritime

Qualifications

• High school diploma or GED required.
• 3+ years of field service experience in the maritime industry.
• Optionally: Associate degree in a technical discipline with 2+ years experience in diesel engine field OR diesel engine technician certification with 4+ years experience OR 8+ years diesel engine service experience OR 4+ years military experience.

Responsibilities

• Provide mechanical, electrical, and supervisory services for assembly, installation, repair, overhaul, and maintenance of diesel engine products in field and shop.
• Coordinate and supervise diesel engine installation, repair, and maintenance in field and shop.
• Offer expert technical guidance to field service team and ensure adherence to quality standards.
• Perform overhauls, inspections, tests, and troubleshooting to ensure performance per work standards.
• Document service actions and submit QA reports; address warranty claims on-site.

Skills

Diesel engines

Engineering drawings

Pneumatic controls

PLC controls

Electronic engine controls

Troubleshooting

MS Office (Excel, Word, PowerPoint)

Interpersonal communication

Education

High school diploma or GED

3+ years field service in maritime

Associate degree or technical certification in diesel engine (optional)

8+ years diesel engine service or 4+ years military experience

Tools

Excel

MS Word

PowerPoint

Job description

Job Summary

The Field Service Rep III – Sr Diesel Technician provides OEM support and repair services for DMS equipment in the field. This role combines advanced technical expertise with independent problem‑solving to diagnose, troubleshoot, install, and maintain complex systems at customer sites. The Field Service Rep III works directly with customers to ensure equipment performance and reliability while delivering a high level of service and technical guidance. In addition to hands‑on service responsibilities, this position is expected to operate with a high degree of autonomy, apply system‑level knowledge to resolve issues, and support or mentor junior technicians as needed.

Accountabilities

• Provides mechanical, electrical, and supervisory services to assemble, install, repair, overhaul and maintain company products in accordance with prescribed tolerances and established procedures.
• Coordinates, performs, and supervises assembly, installation, repair and maintenance of diesel engine products in the field and shop.
• Provides expert technical guidance and support to the field service team, ensuring adherence to quality standards and processes.
• Accomplishes diesel engine overhauls, inspections, tests, and troubleshooting, ensuring performance in accordance with work standards.
• Utilizes technical information, repair specifications and procedures to accomplish requirements.
• Applies problem‑solving methods to identify root causes and diagnose repair and replacement needs.
• Resolves service complications to customer’s satisfaction, within equipment specifications, ensuring safe and reliable operations.
• Prepares and submits complete service reports and QA documentation on each project, documenting actions taken and making recommendations for improvement.
• Performs on‑site investigation of warranty claims to assess validity.
• Provides technical leadership guidance and planning assistance to customers.
• Projects a positive image of the company and products.
• Maintains personal skill levels, continually developing new skills to stay proficient with new and evolving products.
• Trains company or customer personnel on applicable company products.
• Has ability to travel and perform work on an unlimited/unrestricted basis worldwide.
• Provides regional sales organization with recommendations regarding customer needs for repair parts, service and upgrades.
• Maintains close relationships with customers, ship engineers, and port engineers, fostering strong relationships.
• Solicits parts and service business and forwards requests to sales personnel.

Development Responsibilities

• Ensures continuous improvement methods and instructs customer personnel in proper assembly, service, installation and repair of company products.
• Ensures methods and techniques to company personnel for product improvements or repair and service improvements.
• Ensures compliance with health, safety, and environmental regulations and processes during service activities.
• Ensures documentation is complete and information is completely communicated to Management, Sales, Operations and Contract Management as required to meet all requirements on time and within budget.
• Maintains computer skills to effectively communicate from remote locations with management, staff, and customers via email, word processing, spreadsheets and databases.
• Resolves workplace conflicts as necessary and adheres to workplace safety, security and housekeeping standards.
• Interfaces with customers and suppliers daily and promotes the positive image of the corporation.
• Submits appropriate business expense and travel information in accordance with established procedures and policies.
• Coordinates, plans, and prioritizes activities of service projects to ensure timely delivery.

Professional Skills

• Strong knowledge of diesel engines.
• Ability to read and interpret engineering drawings.
• Solid understanding of pneumatic, PLC, and electronic engine controls.
• Experience troubleshooting and repairing independently.
• Knowledge and skill in using computer software, including Excel, MS Word, and PowerPoint.
• Interpersonal, presentation and communication skills.

Daily Activities

• Making Decisions and Solving Problems — Analyzing information and evaluating results to choose the best solution and solve problems.
• Guiding, Directing, and Motivating Subordinates — Providing guidance and direction to subordinates, including setting performance standards and monitoring performance.
• Repairing and Maintaining Mechanical Equipment — Servicing, repairing, adjusting, and testing machines, devices, moving parts, and equipment that operate primarily on the basis of mechanical principles.
• Monitoring Processes, Materials, or Surroundings — Monitoring and reviewing information from materials, events, or the environment to detect or assess problems.
• Organizing, Planning, and Prioritizing Work — Developing specific goals and plans to prioritize, organize, and accomplish your work.

Skills

• Equipment Maintenance — Performing diesel engine commissioning, overhauls, and routine maintenance on equipment and determining when and what kind of maintenance is needed.
• Repairing — Strong mechanical aptitude; repairing diesel engines or systems using the needed tools.
• Troubleshooting — Determining causes of operating errors and deciding what to do about it.
• Critical Thinking — Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems.

General Knowledge

• Mechanical — Knowledge of diesel engines and tools, including their designs, uses, repair, and maintenance.
• Production and Processing — Knowledge of diesel engines, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.
• Repairing and Maintaining Mechanical Equipment — Diesel engine knowledge of servicing, repairing, adjusting, and testing.

Working Style

• Attention to Detail — Tendency to be detail‑oriented, organized, and thorough in completing work.
• Dependability — Tendency to be reliable, responsible, and consistent in meeting work‑related obligations.

Education and Experience

• High school diploma or GED required.
• 3+ years of field service experience in the maritime industry.
• One of the following:
  • Associate’s degree in a technical discipline and 2+ years prior experience in a diesel engine field.
  • Technical certification from an accredited school as a diesel engine mechanic with 4+ years experience in diesel engine service.
  • 8+ years prior experience in diesel engine service, support, or repair.
  • 4+ years of relevant military experience.
• Experience working at or with a FOCI‑mitigated company, including experience operating under a Special Security Agreement.
• Comfort interacting at all levels of the organization and strong interpersonal, presentation and communication skills.
• Ability to receive and maintain a DOD security clearance.

DOD Security Clearance

This position may require the ability to obtain and maintain a security clearance, as determined by business needs.

American With Disabilities Specifications – General Requirements of Employment

Physical Demands: The physical demands described here are representative of those that an employee must meet to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform basic functions. While performing the duties of this job, the employee is occasionally required to stand, walk, sit, use hands to finger, handle, or feel objects, tools, or controls, reach with hands and arms, climb stairs; balance, stoop, kneel, crouch or crawl, talk or hear. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities may be required by the job to include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

Work Environment: The work environmental characteristics described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform basic functions. While performing the duties of this job, the employee may be exposed to weather conditions. The noise level in the work environment is usually moderate.