Chief Officer (Chief Mate) Jobs
20 open vacancies · updated 26 Oct 2026
Salary$5,500 / mo
BoardingLate Nov 2026
Duration5–7 months
CitizenshipAny citizenship
Chief Officer on Chemical/Oil tanker
$9,200 / moMichaelmar Phils., Inc · Chemical Tanker
Chemical Tanker
Salary$9,200 / mo
BoardingLate Nov 2026
Duration5–7 months
CitizenshipAny citizenship
Salary$7,500 / mo
BoardingLate Nov 2026
Duration5–7 months
CitizenshipAny citizenship
Salary$7,600 / mo
BoardingLate Nov 2026
Duration5–7 months
CitizenshipAny citizenship
Chief Officer on Chemical tanker
$12,000 / moAnchorpoint crew services · Chemical Tanker
Chemical Tanker
Salary$12,000 / mo
BoardingLate Nov 2026
Duration3–5 months
CitizenshipIndia
Chief Officer on Asphalt Tanker
Negotiable / moXfinity maritime · Oil / Product Tanker
Oil / Product Tanker
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
Chief Officer on Chemical/Oil tanker
Negotiable / moXfinity maritime · Chemical Tanker
Chemical Tanker
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
Chief Officer on LPG carrier
Negotiable / moWestern Crew Management Services · LPG / LNG Carrier
LPG / LNG Carrier
SalaryNegotiable / mo
Boarding19 Nov 2026
Duration6 months
CitizenshipAny citizenship
Chief Officer on Crude oil tanker
Negotiable / moZODIAC Maritime · Oil / Product Tanker
Oil / Product Tanker
SalaryNegotiable / mo
Boarding19 Nov 2026
Duration6 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
Chief Officer on Chemical/Oil tanker
Negotiable / moOcean One Ship Management · Chemical Tanker
Chemical Tanker
SalaryNegotiable / mo
BoardingMid Nov 2026
Duration5–7 months
CitizenshipAny citizenship
About the role
The Chief Officer (Chief Mate) is the second in command after the Master. The Chief Officer reports to the Master and leads the deck department. Deck officers and deck ratings report to the Chief Officer. The Chief Officer plans and supervises cargo operations, maintains ship stability, and oversees deck maintenance. On watch at sea, the Chief Officer acts as officer in charge of a navigational watch. The rank works on container ships, bulk carriers, tankers, Ro-Ro ships, general cargo ships, and other seagoing ships of 500 GT or more. The Chief Officer also supports the Master with safety, security, and port documentation.
Duties on board
- Oversee deck officers and deck ratings in daily work and watch routines.
- Plan and supervise cargo loading, stowage, securing, and discharge.
- Calculate ship stability, draft, and stress before and during cargo operations.
- Keep navigational watch as officer in charge when the ship is at sea.
- Manage hull, hatch covers, mooring equipment, and deck machinery maintenance.
- Enforce safe working practices and environmental rules on deck.
- Train deck crew in mooring, crane operation, and emergency drills.
- Inspect ballast operations, watertight doors, and sounding pipes.
- Assist the Master with passage planning and port clearance documents.
Requirements
| Document | Convention | Note |
|---|---|---|
| Certificate of Competency (CoC) – Chief Mate on ships of 500 GT or more | STCW II/2 | Every master and chief mate on a seagoing ship of 500 gross tonnage or more must hold a certificate of competency. |
| Certificate of Competency (CoC) – Officer in Charge of a Navigational Watch on ships of 500 GT or more | STCW II/1 | For ships of 3,000 gross tonnage or more, a candidate must first meet the requirements for an officer in charge of a navigational watch on ships of 500 gross tonnage or more. |
| Basic Safety Training (BST) certificate | 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 or certificate | 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
For certification as chief mate on ships of 3,000 gross tonnage or more, a candidate needs not less than 12 months of approved seagoing service as officer in charge of a navigational watch.
Medical fitness
Seafarers may not work on a ship unless they are certified as medically fit to perform their duties. Before beginning work on a ship, seafarers must hold a valid medical certificate. A medical certificate issued under STCW is accepted for the purposes of the MLC. A medical certificate is valid for a maximum of two years, or one year if the seafarer is under the age of 18.
Documents
- Passport
- Seaman's book (CDC)
- Certificate of Competency (CoC) for chief mate on ships of 500 GT or more
- Medical certificate (MLC 2006 Reg. 1.2)
- Basic training certificate (STCW VI/1)
- Security awareness certificate (STCW VI/6)
What employers on Krew Guru ask for
Vessel typesBulk Carrier 26%, Chemical Tanker 23%, Oil Tanker 20%, Container Ship 14%, LPG Carrier 6%
Contracts in rank (median)1
Contract length (median)6 months
Open to any nationality97%
VisasUnited States of America 7%
Salary, USD per month7,600–9,400p25–p75 by 8 vacancies on Krew Guru with a salary, last 180 days
Based on 780 vacancies on Krew Guru over the last 365 days.
Career path
Comes from: Second Officer
Next step: Master (Captain)
Companies hiring Chief Officer (Chief Mate) now
- OSM Thome3 vacancies
- Xfinity maritime3 vacancies
- ZODIAC Maritime2 vacancies
- Western Crew Management Services1 vacancy
- PG Maritime1 vacancy
- Bahri Ship Mgmt1 vacancy
- Cirrus Marine LLP1 vacancy
- Anchorpoint crew services1 vacancy
- Worldtankers1 vacancy
- Evic Shipping1 vacancy
Related ranks
- Master (Captain)15 vacancies
- Second Officer9 vacancies
Chief Officer (Chief Mate): questions and answers
What certificate does a Chief Officer need?
A Chief Officer on a seagoing ship of 500 gross tonnage or more must hold a Certificate of Competency. On ships of 3,000 gross tonnage or more, you must first meet the requirements for an officer in charge of a navigational watch on ships of 500 gross tonnage or more, and have approved seagoing service as officer in charge of a navigational watch.
What sea service is required for a Chief Officer certificate?
For certification as chief mate on ships of 3,000 gross tonnage or more, you need not less than 12 months of approved seagoing service as officer in charge of a navigational watch.
Does a Chief Officer need a medical certificate?
Yes. Seafarers may not work on a ship unless they are certified as medically fit to perform their duties. Before beginning work on a ship, seafarers must hold a valid medical certificate. A medical certificate issued under STCW is accepted for the purposes of the MLC. A medical certificate is valid for a maximum of two years, or one year if the seafarer is under the age of 18.
What are the main duties of a Chief Officer?
The Chief Officer leads the deck department, plans and supervises cargo operations, calculates ship stability, keeps navigational watch, manages deck maintenance, and assists the Master with safety and port documents.
Can a Chief Officer become a Master?
Yes. For ships of 3,000 gross tonnage or more, certification as master requires not less than 36 months of approved seagoing service as officer in charge of a navigational watch; this may be reduced to not less than 24 months if not less than 12 months were served as chief mate.
7,900+ Chief Officer (Chief Mate) profiles on Krew Guru · 151 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.