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(Deck Officer, Navigating Officer, Chief Mate, First Officer (Maritime))
Transport & Logistics
Salary
€38,000 - €90,000/yr
Level
Professional
Outlook
Stable
Sector
Transport & Logistics
As a Ships Deck Officer you are responsible for the safe navigation and operation of a vessel at sea, whether that is a merchant cargo ship, ferry, tanker, or offshore support vessel. You stand navigational watches, plot courses, monitor the ship's position using electronic charts and GPS systems, and manoeuvre to avoid hazards and other vessels in accordance with international collision regulations. You oversee the loading and discharging of cargo or passengers, supervise the maintenance and safety drills of crew members, and maintain detailed logs and records of the ship's movements. You work closely with the ship's Master, engineering officers, port authorities, and cargo handlers, and you must be prepared to respond calmly and decisively in emergencies at any hour of the day or night.
Listen: a day as a Ships Deck Officer
You relieve the night watch officer at 04:00 on the bridge of a ro-ro ferry operating between Dublin Port and Holyhead. The outgoing officer gives you a handover briefing covering the vessel's current position, course, speed, any traffic on the radar, and the state of the weather. You check the ECDIS — the electronic chart display system — to confirm your position against the plotted passage plan, and you scan the radar for other vessels in the Irish Sea. The crossing is routine but you stay alert; small fishing vessels don't always show clearly on radar, and the shipping lane is busy. By 06:30 you are approaching the Welsh coast and you call up Holyhead Port Control on VHF radio to confirm your estimated time of arrival and request a berth allocation. You then contact the deck crew to prepare mooring lines and standby the bow and stern thrusters. Berthing takes concentration. You relay helm and engine orders from the Master, watch the distance to the quayside on the CCTV monitors, and note the tidal stream in the harbour. Once the vessel is secured, you supervise the opening of the car deck ramp and liaise with the port's ramp marshals before passengers and freight vehicles disgorge.
Most Ships Deck Officers in Ireland qualify through the Bachelor of Science in Nautical Science offered by the National Maritime College of Ireland (NMCI) at MTU Cork, typically at NFQ Level 8, which includes a structured cadetship programme combining academic study with sea time aboard commercial vessels. Leaving Certificate subjects that strengthen your application include Mathematics, Physics, Geography, and English, and a Higher Level Mathematics result is particularly important for course entry. Before taking command responsibilities, you must obtain Standards of Training, Certification and Watchkeeping (STCW) certification, which is the internationally recognised qualification framework for seafarers, and Irish certification is awarded through the Department of Transport. There are also pathways through officer cadet programmes sponsored directly by shipping companies, where you earn a salary while completing your training and academic qualifications. Further progression to Master Mariner level requires additional sea service, examinations, and certification from the Irish Maritime Administration. Some officers also enter the Irish Naval Service through the Defence Forces, which provides naval officer training and leads to equivalent seafaring competencies.
A typical career begins as a Deck Cadet or junior officer completing sea time and STCW examinations before progressing to Officer of the Watch on merchant vessels, ferries, or offshore support ships. With accumulated sea service and further certification, you can advance to Chief Mate or Chief Officer, taking on greater responsibility for cargo, crew safety, and navigational planning. The ultimate goal for many is to achieve Master Mariner certification, qualifying you to command a vessel in your own right. Some officers move ashore into marine pilotage, port management, maritime surveying, or roles with the Irish Maritime Administration, the Department of Transport, or maritime consultancy firms.
Artificial intelligence is increasingly integrated into bridge navigation systems, with AI-assisted route optimisation, collision avoidance algorithms, and predictive maintenance tools becoming standard on modern vessels. Autonomous and remotely operated vessels are being trialled internationally, and while full automation of crewed ships remains a long-term prospect, AI will gradually reduce the burden of routine monitoring tasks. However, the legal, safety, and regulatory frameworks governing maritime operations continue to require qualified human officers on board, and complex decision-making in emergencies or unusual conditions demands experienced human judgement that AI cannot fully replicate at present. Deck Officers who develop digital literacy and familiarity with integrated bridge systems will be well-positioned as the industry evolves.
→ Ships Deck Officer (Current role)
Organisations in Ireland that employ people in this occupation.
Dublin Port, Dublin
Deck officers navigate passenger and freight ferries across Irish Sea
Rosslare, Co. Wexford; Belfast, Co. Antrim
Deck officers operate ro-ro passenger ferries on Irish Sea routes
Dublin Port, Dublin
Parent company operating ferry vessels requiring experienced deck officers
Cork Harbour, Co. Cork
Deck officers serve on offshore drilling vessels operating near Irish waters
Cork, Co. Cork; Rosslare, Co. Wexford
Deck officers navigate passenger ferries between Ireland and France
Dublin Port, Dublin
Deck officers manage cargo vessel operations and coastal shipping routes
Rinville, Oranmore, Co. Galway
Deck officers serve on research vessels conducting marine surveys nationwide
Haulbowline Naval Base, Cobh, Co. Cork
Naval officers navigate patrol vessels protecting Irish maritime territory
Cork, Co. Cork
Deck officers operate offshore support vessels serving Atlantic energy industry
Rossaveal, Co. Galway
Deck officers navigate passenger ferries to the Aran Islands year-round
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