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(Fisheries Engineer's Assistant, Fishing Vessel Assistant Engineer, Assistant Ship Mechanic, Assistant Naval Mechanic)
Agriculture & Environment
Salary
€28,000 - €52,000/yr
Level
Operational
Outlook
Stable
Sector
Agriculture & Environment
As a Fisheries Assistant Engineer, you support the chief engineer aboard a fishing vessel by helping to operate, monitor and maintain the ship's propulsion plant, machinery and auxiliary equipment. Your day-to-day responsibilities include carrying out routine inspections, fault-finding on engines and mechanical systems, and ensuring all equipment meets safety and environmental standards. You play an important role in observing emergency procedures, operating rescue machinery and preventing sea pollution in line with international maritime regulations. You work closely with the chief engineer, deck officers and the wider crew, often spending extended periods at sea, though shore-based maintenance and workshop roles also exist within the sector.
Listen: a day as a Fisheries Assistant Engineer
You are up at 06:00, well before the rest of the port wakes. The vessel is docked at Castletownbere, Co. Cork, and you head straight to the engine room to carry out the morning machinery checks before the skipper gives the order to sail. You work through a checklist on a clipboard, recording oil pressure, coolant levels and the readings on the main propulsion engine — a large four-stroke diesel unit. Any figures outside the normal range get flagged immediately to the chief engineer. By 07:30 the vessel is underway and you settle into the engine room watch alongside the chief engineer. It is loud, warm and smells of diesel and grease. You monitor gauges, log readings every hour into the engineering logbook and keep an eye on the auxiliary generators that power the refrigeration holds below deck. Nothing goes wrong this morning, which mostly means staying alert so it stays that way.
A strong foundation in Leaving Certificate subjects such as Engineering, Physics, Mathematics and Applied Mathematics is beneficial for this career. The typical Irish entry route is through a QQI Level 6 qualification in marine engineering or a related mechanical/electrical discipline, offered through Institutes of Technology and Technological Universities such as ATU, MTU and TU Dublin. SOLAS apprenticeships in fitting, engineering or electrical trades can also provide a recognised pathway into this role. The Irish Maritime and Energy Resource Cluster (IMERC) and organisations such as Bord Iascaigh Mhara (BIM) offer training programmes specifically tailored to seafarers and fisheries crew. Certificates of Competency issued under the STCW (Standards of Training, Certification and Watchkeeping) Convention are required for those working at sea, and these are obtained through approved maritime training providers. Ongoing certification in sea survival, fire-fighting and first aid at sea is also mandatory.
Most Fisheries Assistant Engineers begin their careers through a trade apprenticeship or a QQI Level 6 marine engineering programme, gaining sea time and accumulating the STCW certificates required to work aboard fishing vessels. With experience and additional certifications, progression to the role of Chief Engineer on a fishing vessel is achievable, along with greater responsibility for all engineering operations on board. Shore-based opportunities also open up over time, including roles in vessel maintenance management, fleet engineering or technical advisory positions with organisations such as Bord Iascaigh Mhara or the Irish Coast Guard. Further study at NFQ Level 7 or Level 8 in marine or mechanical engineering can broaden career options into broader maritime industries or engineering management.
AI-driven predictive maintenance tools are increasingly being introduced on modern fishing vessels, helping engineers to identify potential equipment failures before they occur and reducing costly downtime at sea. Automated monitoring systems can track engine performance data in real time, which changes the nature of routine inspection work but also requires engineers to interpret and act on data generated by these systems. While AI can assist with diagnostics and planning, the hands-on, physical nature of marine engineering work means that human expertise and practical skill remain essential, particularly in remote or emergency situations at sea. Engineers who develop competency in working alongside digital monitoring and diagnostic tools will be best placed for the future of the role.
→ Fisheries Assistant Engineer (Current role)
Organisations in Ireland that employ people in this occupation.
Crofton Road, Dún Laoghaire, Co. Dublin; Nationwide
Supports Irish fishing fleet operations, training and vessel engineering standards.
Haulbowline Naval Base, Cobh, Co. Cork
Engineers maintain propulsion and machinery on patrol and fisheries protection vessels.
Castletownbere, Co. Cork
Operates deep-sea fishing vessels requiring qualified marine engineering crew.
Castletownbere, Co. Cork
Supports large fishing fleet with vessel maintenance and engineering crew needs.
Killybegs, Co. Donegal
Represents major whitefish fleet needing qualified vessel engineering personnel.
Killybegs, Co. Donegal
Operates large pelagic fishing vessels requiring marine engineering support crew.
Galway City, Co. Galway
Smaller vessel fleet requiring hands-on engine room and machinery maintenance staff.
Greencastle, Co. Donegal
Trains fisheries engineering cadets in marine propulsion and vessel safety systems.
Dublin; Nationwide
Represents fishing vessel owners employing qualified marine engineering crew nationally.
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