Entry Senior

Marine Engine Room Crew

About This Career

A Marine Engine Room Crew is made up certified and non-certified crew members who are responsible for maintaining the mechanical operations of offshore vessels.

A certified crew consists of a Chief Engineer, Second Engineer, Third Engineer, Fourth Engineer and Marine Engineer Trainee. Responsibilities increase as one progresses from trainee to Chief Engineer. This crew operates, troubleshoots and monitors all mechanical, electrical, hydraulic, refrigeration, water treatment and propulsion systems on the vessel. They also keep watch on deck.

A non-certified crew consists of Junior Engineers, Pumpmen, Oilers and Wipers. Their duties include basic maintenance and operation, such as keeping all equipment lubricated and clean.

The number and variety of certified and non-certified engineering jobs aboard a vessel will depend on its type, size and complexity.

Education: Educational requirements for this occupation vary depending on the role. For non-certified crew members, the minimum requirement is a high school diploma (or equivalent). For certified crew members, certification from Transport Canada is required and progresses with increasing responsibilities from Fourth Class to First Class Marine Engineer. To achieve a leadership position in marine operations, many employers require a technology diploma or degree in nautical studies combined with relevant experience.

Employment: This occupation is found in offshore environments and is typically employed in the exploration and production (E&P), oil and gas services and marine transportation sectors of the oil and gas industry.

Example titles: Chief Engineer, Second Engineer, Third Engineer, Fourth Engineer, Cadet, Marine Engineer Trainee, Junior Engineer, Engine Room Rating (EER), Qualified Member of the Engine Department, Electrician, Pumpman, Oiler, Wiper

Work Activities
Applying Health and Safety Principles
Ensuring that the engineering room maintains a high level of readiness in the event of a system failure.
Applying Information
Ensuring that all propulsion systems, motors, auxiliary engines, generators, hydraulics, potable and non-potable water supplies, refrigeration, sewage treatment, steam and compressed air circuits, etc. are in good working order.
Preparing the engine room for arrival, departure and standby.
Standing watch.
Completing Training
Learning to operate engineering systems and equipment.
Inspecting Equipment, Structures or Material
Assisting with inspections of the engine room's main engine(s) and auxiliary equipment, water makers, sewage treatment systems, deck cranes, deck winches, etc.
Performing routine checks of electrical equipment (e.g., lighting, indicators and motor controllers and wiring).
Checking the batteries of auxiliary and emergency generators, general alarm and bridge lighting.
Inspecting mast and sound-powered telephones.
Checking insulation test readings.
Inspecting secure connections.
Monitor Processes, Materials or Surroundings
Monitoring all machinery and equipment (e.g., remote control systems, power, control and display systems of deck and specialty-related equipment).
Operating Vehicles, Mechanized Devices or Equipment
Assisting with the proper operation of lifeboats.
Operating a variety of equipment during the transfer of oil (e.g., transfer and stripping pumps, strainers, filters, piping, valves, deck machinery, etc.).
Repairing and Maintaining Electronic Equipment
Maintaining and repairing electrical power generating and distribution systems, voltage regulators, engine governors and equipment.
Repairing and Maintaining Mechanical Equipment
Maintaining the electrical, sewage treatment, lube oil, bilge and oily water separation systems of the vessel.
Assisting with the maintenance of lifeboats.
Assisting with basic maintenance activities involving the pumps, turbines, distilling plants and condensers.
Servicing and cleaning generators, lifeboats, sewage disposal equipment and other tools around the engineering room.
Maintaining mast and sound-powered telephones.
Maintaining all moving parts of deck machinery.
Training and Teaching Others
Ensuring that staff are capable of maintaining high standards of performance and that they receive the appropriate technical training required for their respective positions.
Public Safety and Security
Equipment Maintenance
Operation Monitoring
Career Path
  • Chief Engineer
  • Fourth Engineer
  • Second Engineer
  • Third Engineer
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Working Conditions
  • Stress
    High Stress Situations
  • Variable weather
    Inclement Weather
  • Road
    Remote Locations
  • Industrial excavator
    Active Machinery
  • Arrow
    Shift Work
  • Load
    Heavy Lifting
  • Standing
    Long Periods of Standing
  • Physical
    Physically Demanding
  • Heights
    Working from Heights
  • Longshifts
    Long Shifts
  • Overtime
    Some Overtime Required
  • Offshore
Similar Jobs In Other Industries
Careers also exist in the following industries:
  • Professional, scientific and technical services
  • Public administration, including regulatory
  • Water transportation
Job Details

Job Category

Marine and Nautical Services




Oil and gas services


2274, 7532

Qualifications + Experience


  • High School Diploma (or equivalent)


  • Other specialized training and certifications through Transport Canada may be required.
  • Standard and emergency first aid
  • H2S Alive
  • Offshore Survival Introduction (OSI)
  • Basic Survival Training (BST)
  • Transportation of Dangerous Goods (TDG)

Additional Requirements:

  • A signed medical from an approved doctor certifying physical fitness.
  • Valid passport as offshore work may involve traveling in international waters and to other countries.