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- Electro-Technical Officer (ETO)19 vacancies
About the role
The Ship Electrician is an electro-technical rating on seagoing ships with main propulsion machinery of 750 kW or more. You maintain, fault-find and repair electrical equipment: lighting, motors, switchboards, control panels, alarm circuits, battery systems, galley and laundry equipment. On ships with an ETO, you work under the ETO. On ships without an ETO, you report to the Second Engineer or Chief Engineer. You may guide Wiper or Motorman when they assist with electrical isolation and cable pulling. You serve on many ship types, including cargo ships, tankers, passenger ships and offshore vessels. You use insulation testers, multimeters and wiring drawings. You follow lockout/tagout, PPE and permit to work rules. To serve as Electrician, you must hold a certificate of proficiency for electro-technical rating (STCW III/7).
Duties on board
- Inspect and test motors, generators, switchboards, lighting and alarm circuits.
- Fault-find electrical breakdowns and replace or repair defective parts.
- Read wiring diagrams and use multimeters and insulation testers.
- Isolate equipment with lockout/tagout before maintenance.
- Replace lamps, fuses, plugs, sockets, heating elements and small motors.
- Maintain battery banks, emergency lighting and public address systems.
- Assist the ETO or Second Engineer with planned maintenance records.
- Follow PPE and permit-to-work requirements in engine room.
- Guide Wiper or Motorman when they help pull cables or clean electrical spaces.
Requirements
| Document | Convention | Note |
|---|---|---|
| Proficiency in Electro-technical Rating (STCW III/7) | STCW III/7 | Every electro-technical rating on a seagoing ship with main propulsion machinery of 750 kW or more must be certificated. |
| Basic Safety Training (BST, STCW VI/1) | STCW VI/1 | Seafarers must receive safety familiarization and basic training or instruction in line with section A-VI/1 of the STCW Code. |
| Security Awareness Training (STCW VI/6) | STCW VI/6 | Seafarers must receive security-related familiarization and security-awareness training or instruction (section A-VI/6 of the STCW Code). |
Sea service
Approved seagoing service including not less than 12 months of training and experience, or approved training including not less than 6 months of approved seagoing service, or qualifications meeting table A-III/7 plus not less than 3 months of approved seagoing service.
Medical fitness
Seafarers must hold a valid medical certificate before beginning work. The certificate confirms hearing, sight and, where relevant, colour vision are satisfactory. A medical certificate is valid for a maximum of two years, or one year if under 18; a colour vision certificate is valid for a maximum of six years.
Documents
- Passport
- Seaman's book / CDC
- Valid medical certificate
- Certificate of Proficiency: Electro-technical Rating (STCW III/7)
- Basic Safety Training certificate (STCW VI/1)
- Security Awareness certificate (STCW VI/6)
- Visas when the voyage requires them
What employers on Krew Guru ask for
Vessel typesBulk Carrier 44%, Chemical Tanker 22%, Oil Tanker 22%, Container Ship 11%
Contracts in rank (median)1
Contract length (median)6 months
Open to any nationality100%
Based on 9 vacancies on Krew Guru over the last 365 days.
Career path
Next step: Electro-Technical Officer (ETO)
Electrician: questions and answers
What certificate do I need to work as an Electrician?
You need a Certificate of Proficiency as an electro-technical rating under STCW III/7. You also need Basic Safety Training (STCW VI/1) and security awareness training (STCW VI/6). The STCW III/7 certificate applies on seagoing ships with main propulsion machinery of 750 kW or more.
What is the difference between an Electrician and an ETO?
An Electrician is a rating and holds an electro-technical rating certificate (STCW III/7). An Electro-Technical Officer is an officer and needs a Certificate of Competency under STCW III/6. The ETO manages electrical work and the Electrician does hands-on maintenance under the ETO or an engineer.
What sea service is needed for the Electrician certificate?
You need approved seagoing service including not less than 12 months of training and experience, or approved training including not less than 6 months of approved seagoing service, or qualifications meeting table A-III/7 plus not less than 3 months of approved seagoing service.
Do I need a medical certificate?
Yes. Before beginning work on a ship, you must hold a valid medical certificate. It confirms your hearing and sight, and colour vision where relevant, are satisfactory. A medical certificate is valid for a maximum of two years, or one year if you are under 18.
1,300+ Electrician profiles on Krew Guru · 2 vacancies in the last 90 days
Sources
- ILO, Maritime Labour Convention, 2006 (MLC, 2006)
- IMO, STCW/CONF.2/33 (1 July 2010), Resolution 1: The Manila Amendments to the annex to the STCW Convention
Checked against the official texts on 26 Oct 2026.