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3Rd Mate Jobs (NOW HIRING)

Transocean Ltd.

3rd Mate

Houston, TX · On-site

Valid Unlimited 3rd Mate Licenses (Home country and Flag state) * Knowledge of all technical calculations required for the safe operation of the marine aspect of the vessel. * Basic computer skills

Victory Casino Cruises

Third Mate

Cape Canaveral, FL · On-site

Marine Third Mate- Full Time This is a day cruise line with daily shift schedules requiring local availability and reliable transportation. Current credentials- Mate Unlimited Marine National ...

Victory Casino Cruises

Third Mate

Cape Canaveral, FL · On-site

Marine Third Mate- Full Time This is a day cruise line with daily shift schedules requiring local availability and reliable transportation. Current credentials- Mate Unlimited Marine National ...

Lindblad Expeditions

Third Mate

Seattle, WA · On-site

$285 - $306/day

Third Mate is responsible for the care and maintenance of the kayaks and all related gear. ESSENTIAL DUTIES * Watch Duty: * Performs bridge navigation and deck watch during specified periods as ...

Fairwater

Third Mate - Tankers

Dania Beach, FL · On-site

Third Mate - Tankers Schedule : 75/75 Location: East Coast, Gulf, West Coast, International Union : AMO Required Qualifications Languages: English Minimum Credentials: STCW * II/1: Officer in Charge ...

Lindblad Expeditions

Third Mate

Seattle, WA

$285 - $306/day

Third Mate is responsible for the care and maintenance of the kayaks and all related gear. ESSENTIAL DUTIES * Watch Duty: * Performs bridge navigation and deck watch during specified periods as ...

Lindblad Expeditions

Third Mate

Seattle, WA · On-site

$285 - $306/day

Third Mate is responsible for the care and maintenance of the kayaks and all related gear. ESSENTIAL DUTIES * Watch Duty: * Performs bridge navigation and deck watch during specified periods as ...

ConocoPhillips

3rd Mate - Marine

Houston, TX · On-site

The 3rd Mate is required to participate in all drills and emergencies and to assist with the enforcement of rules, procedures, regulations, and pollution prevention. Position Overview Your ...

Fairwater

Third Mate - ATBs

Dania Beach, FL · On-site

$22.75 - $25.50/hr

Third Mate - ATBs Schedule : West Coast, Gulf, and East Coast: 28/28. Western Alaska: 45/45 Location : East Coast, Gulf, West Coast and Alaska Required Qualifications Education/Credentials * Mate ...

Stabbert Offshore Crew

Mate Unlimited

Seattle, WA · On-site

$110K - $130K/yr

The 3rd Mate is an entry-level officer position responsible for safety and security duties, including maintaining life-saving and firefighting equipment, conducting safety drills, and assisting with ...

Foss

2nd/3rd Mate Oceans

Seattle, WA · On-site

$720/day

What We're Looking For * 500 Ton Mate near coastal/oceans or 3rd Mate unlimited. * Valid Merchant Mariners Credential (MMC) and a Transportation Worker Identification Credential (TWIC) * Must be able ...

Foss

2nd/3rd Mate Oceans

Seattle, WA · On-site

$720/day

What We're Looking For * 500 Ton Mate near coastal/oceans or 3rd Mate unlimited. * Valid Merchant Mariners Credential (MMC) and a Transportation Worker Identification Credential (TWIC) * Must be able ...

Foss

2nd/3rd Mate Oceans

Seattle, WA · On-site

$720/day

What We're Looking For * 500 Ton Mate near coastal/oceans or 3rd Mate unlimited. * Valid Merchant Mariners Credential (MMC) and a Transportation Worker Identification Credential (TWIC) * Must be able ...

Foss Maritime

2nd/3rd Mate Oceans

Seattle, WA · On-site

$720/day

What We're Looking For * 500 Ton Mate Near Coastal/Oceans or 3rd Mate Unlimited. * Valid Merchant Mariners Credential (MMC) and a Transportation Worker Identification Credential (TWIC) * Must be able ...

Foss Maritime

2nd/3rd Mate Oceans

Seattle, WA · On-site

$720/day

What We're Looking For * 500 Ton Mate Near Coastal/Oceans or 3rd Mate Unlimited. * Valid Merchant Mariners Credential (MMC) and a Transportation Worker Identification Credential (TWIC) * Must be able ...

Foss Maritime Company

2nd/3rd Mate Oceans

Seattle, WA

$720/day

What We're Looking For * 500 Ton Mate Near Coastal/Oceans or 3rd Mate Unlimited. * Valid Merchant Mariners Credential (MMC) and a Transportation Worker Identification Credential (TWIC) * Must be able ...

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3Rd Mate information

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$26

$29

$31

How much do 3rd mate jobs pay per hour?

As of Sep 12, 2026, the average hourly pay for 3rd mate in the United States is $29.62, according to ZipRecruiter salary data. Most workers in this role earn between $28.37 and $30.77 per hour, depending on experience, location, and employer.

What is a 3rd mate?

A 3rd Mate, also known as Third Officer, is a licensed member of a ship’s deck department. They are responsible for navigational watch, safety equipment inspections, and assisting in daily operations to ensure the vessel’s safe and efficient passage. The 3rd Mate typically stands watch on the bridge, updates navigational charts, and helps oversee the loading and unloading of cargo. They also play a role in emergency procedures and crew training, making them an essential part of the ship's operational team.

What are the key skills and qualifications needed to thrive as a 3rd mate, and why are they important?

To thrive as a 3rd Mate, you need a solid understanding of navigation, seamanship, cargo handling, and safety procedures, typically supported by a bachelor's degree from a maritime academy and a valid U.S. Coast Guard license or equivalent certification. Familiarity with navigational equipment, radar, ECDIS systems, and safety management protocols is essential. Strong leadership, situational awareness, and effective communication help a 3rd Mate excel in coordinating crew activities and responding to emergencies. These competencies are crucial to ensuring safe vessel operations, regulatory compliance, and the well-being of crew and cargo at sea.

What are some common challenges a 3rd mate may encounter during a typical voyage?

As a 3rd Mate, you may face challenges such as adapting to shifting schedules, managing bridge watchkeeping duties, and ensuring compliance with safety protocols. You will need to stay alert during long or overnight watches, respond quickly to changes in weather or traffic, and coordinate with other deck officers and crew members. Additionally, the responsibility of maintaining navigational equipment and assisting with cargo operations requires strong organizational skills and attention to detail.

What is the difference between 3Rd Mate vs 2Nd Mate?

Aspect3Rd Mate2Nd Mate
CertificationsSTCW Basic Safety, STCW Personal Survival TechniquesSTCW Basic Safety, Advanced Fire Fighting
Work EnvironmentDeck department, assisting navigation and safetyDeck department, more responsibilities in navigation and watchkeeping
Employer & Industry UsageMaritime shipping companies, cruise linesMaritime shipping companies, cargo vessels

The main difference between a 3Rd Mate and a 2Nd Mate lies in their responsibilities and experience level. The 2Nd Mate typically has more advanced certifications and takes on greater duties in navigation and watchkeeping. Both roles are essential in the deck department of ships, but the 2Nd Mate is usually more experienced and trusted with more complex tasks.

What are the duties of a 3rd Mate?

A 3rd Mate is a licensed deck officer responsible for safety, navigation, and cargo operations on a vessel. They assist with watchkeeping, maintain safety equipment, and support navigation tasks using tools like charts and radar. Certification requirements typically include completing maritime training and obtaining relevant licenses.

What are the requirements for third mate?

To become a third mate, candidates must hold a valid Merchant Mariner Credential with a third mate license, which requires completing approved maritime training, accumulating a specified amount of sea service, and passing written exams. Additionally, applicants must meet age, health, and background check requirements, and often need to obtain STCW certification for safety and security standards.
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3Rd Mate jobs near you
Infographic showing various 3Rd Mate job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 77% Full Time, 15% Part Time, 3% Contract, and 3% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $61,609 per year, or $29.6 per hour.

3rd Mate

Houston, TX • On-site

Transocean Ltd.
See more jobs at Transocean Ltd.external

Full-time

Re-posted 28 days ago

Job description

Offshore Marine Group
Transocean is focused on being the employer of choice for the drilling industry.
We are challenging ourselves every day to push the performance of the company through technological advances and passion for our work.
Job Summary
Assist the Chief Mate/Senior Mate and 2nd Mate in exercising control over the rig's marine operations with due regard for safety of personnel, maintenance of rig equipment and protection of the environment.
Job Description
REPORTING:
Reports to the 2nd Mate
SUPERVISION:
None
Pre-Requisite/ Qualification:
  • High School Diploma (U.S.)/ Proof of Completion of Formal Education or Relevant Craft Certificate (where applicable).
  • Successful Military Discharge - Preferred for U.S.
  • Graduate of Trade School or University where knowledge and training acquired are applicable to job requirements - Preferred.
  • Valid Unlimited 3rd Mate Licenses (Home country and Flag state)
  • Knowledge of all technical calculations required for the safe operation of the marine aspect of the vessel.
  • Basic computer skills
  • Valid medical examination and vaccination certificates for area of operation.
  • Valid GMDSS License.
  • Lifeboatman Certificate.

General Requirements:
  • Promotes a Safe and Respectful Work Environment: Proactively promotes and Maintains a healthy respect for open and transparent dialogue between all levels of personnel, including Management.
  • Demonstrates care for the safety and well-being of all personnel, at all times. Invests in each person to provide equal opportunity for development and advancement of those qualified, to fulfill their career objectives.
  • Respects the dignity of all personnel and recognizes their merit.
  • Attend and participate in all required Safety and Operational meetings.
  • Participate fully in the annual performance appraisal process, competency assessments based on performance against Operational Discipline requirements.
  • Complete company training requirements for the 3rd Mate job level as per the training matrix, including in local/regulatory requirements.
  • If applicable, the duties and responsibilities in the safety case for this position must be observed.
  • Full participation in emergency drills and respond to emergency situations as per assigned duties on the station bill.

Operational Discipline Requirements:
  • Disciplined application and participation in the company risk management system.
  • This is inclusive of:
  • Understanding and perform the roles and responsibilities as assigned at the pre-job meeting.
  • Understanding and identifying the hazards associated with the task.
  • Understanding and effectively implementing the control measures required to mitigate identified hazards.
  • Execute all tasks and task steps in a disciplined manner, following the sequence detailed in the relevant procedures.
  • Recognize at risk behavior or conditions during tasks and call 'Time out for Safety' when unsure, or when the job does not go as planned.
  • Participate in After Action Reviews to feedback lessons learned from performing the task.

HSE Requirements:
  • Protect personnel, the environment, and assets by eliminating hazards and reducing health and safety risks.
  • Understand Company OI & HSE requirements applicable to the job position.
  • Execute work in accordance with Company OI & HSE requirements.
  • Call a Time Out when a real or perceived at risk behavior or unsafe condition is observed.
  • Use WorkSight ENGAGE during the execution of planned work.
  • Report all incidents, potential hazards, or abnormal situations to a supervisor.
  • Incorporate the Control of Work process into all work, whether working alone or as part of a team.
  • Understand and implement major accident barriers / controls applicable to the job position.
  • Maintain a safe and organized work area throughout and on completion of all work.
  • Understand your role in an emergency, as designated in the Emergency Response Plan and Station Bill.
  • Participate in all emergency drills and exercises, as required.

DUTIES:
The underlying expectation is that all duties are carried out in compliance with the Company Operational Discipline expectations and HSE requirements. When considering assignment of duties for the 3rd Mate, the Supervisor and the 3rd Mate will apply the rules of task planning to determine if the assigned role is appropriate. This means confirming that the individuals involved have the knowledge, skills, and experience to carry out the task, and the task plan complies with policy before they are authorized to proceed.
General Duties:
Operations/Maintenance:
  • Exercise control of the safe navigation of the vessel in order to ensure that all navigation operations are carried out in accordance with Company policies and procedures, regulations and sound marine practices.
  • Become familiar with the vessel's bridge and navigation equipment; Assist with voyage planning and rig move operations.
  • Provide assistance during anchoring operations.
  • Provide assistance in ensuring that the vessel's navigational equipment is maintained, fully functional and tested in accordance with SOLAS, Classification, and Flag State regulations.
  • Assist with maintenance of deck equipment, firefighting and lifesaving equipment and marine department lifting equipment (as required), and update records accordingly.
  • Assist with maintaining the vessel in a seaworthy condition.
  • Assist with maintaining the watertight integrity of the vessel, loading and storage of consumables, securing of supply vessels and helicopter operations.
  • Assist with carrying out the vessel's Class Surveys as well as other regulatory inspections and audits.
  • Provide assistance in ensuring the vessel complies with local and international pollution regulations.
  • Assist in maintaining the vessel in a stable condition and at the correct draft and trim.
  • Assist with running hydrophones and subsea beacons.
  • Make regular use of the onboard DP simulator for training purposes, where available.
  • Ensure that all defects and anomalies are reported to your supervisor or the Master.
  • Assist as required with maintaining and carrying out PM's on all marine department equipment under the direction of the Chief Mate/Senior Mate/2nd Mate.
  • Gain familiarity with the vessel's dynamic positioning equipment, and work towards gaining a Nautical Institute DP Certificate.

Personnel:
  • Promote and maintain good working relationships with other departments, third-party personnel and Customer representatives.
  • Mentor, coach, develop and train crew members to ensure they are competent to work at their current and next job level.
  • Provide leadership and motivation to the marine crews. Apply continuous improvement process.
  • Participate fully in the annual performance appraisal process.
  • Apply appropriate accountability regarding recognition; recommend promotion or disciplinary action up to and including discharge.

If you want to push yourself to great achievement, let Transocean develop your career.

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