Magnet.me  -  The smart network where students and professionals find their internship or job.

The smart network where students and professionals find their internship or job.

Third Mate

Posted 10 Jul 2025
Share:
Work experience
0 to 5 years
Full-time / part-time
Full-time
Job function
Degree level
Required language
English (Fluent)

Your career starts on Magnet.me

Create a profile and receive smart job recommendations based on your liked jobs.

Your role

Your main responsibilities are:

  • Act as Bridge Officer of the Watch;
  • Act as Junior DP Operator under supervision of the First Mate/Chief Mate and/or Second Mate;
  • When conducting DP Trials, execute the task plan as directed by First Mate/Chief Mate;
  • Keep close collaboration with survey department and verify correct positioning at regular intervals;
  • Keep close collaboration with (Senior) Tension Machine operator and cross check on correct tension levels;
  • In close collaboration with the (Senior) Tension Machine Operator and Chief Mate, First Mate, and/or Second Mate, efficiently optimize pipe pull speeds, accelerations and decelerations;
  • In close collaboration with the Chief Mate, First Mate and/or Second Mate, efficiently optimize power consumption by the DP system, its subsystems and other power consumers withing the department;
  • Keep close collaboration with ROV department when applicable;
  • Ensure that navigational equipment is operational and report any deficiencies;
  • Ensure that nautical charts and publications are updated according to latest notices to mariners and report any deficiencies;
  • Prepar voyage planning as per AIMS-VSL-PRO-0804;
  • Monitor weather forecasts and navigational warnings and report any anomalies;
  • When en-route on an ocean passage, conduct regular verification checks with weather routing software and liase with Chief Mate, First Mate and/or Second Mate on possible optimization;
  • Control the balast system as directed by the master or Chief Mate and be aware of vessel's stability;
  • Maintain direct communication and co-ordinate activity and/or SIMOPS with all relevant departments involved in the operation at hand (survey, deck, firing line, cranes, engine room);
  • Maintain communication with other vessels in the field and arange Ship to Ship logistics in liaison with Barge Foreman and First Mate/Chief Mate;
  • When not en-route, monitor and advise about optimal use of available ship's sides and deck cranes for ship-to-ship transfers, in collaboration with the Chief Mate, or First Mate and the Barge Foreman;
  • Monitor activities with regards to safety, health and environment and assist where necessary;
  • Record all events and/or incidents in the vessel's log as per AIMS-COR-PRO-0406;
  • Carry out general marine operations;
  • Carry out general vessel maintenace and inspections;
  • Perform maintenance to vessel's (fixed) Firefighting System and Firefighting Appliances, Life Saving Appliances and SOPEP Equipment;
  • Participate in (emergency) drills and exercises as per schedule and be part of the emergency teams as per vessel's Station Bill

What we expect from you

  • Compliant with all STCW requirements as per AIMS-VSL-MTX-0532-01 "Crew Certification Quick Reference Guide";
  • In possession of COC with competency level II/1 and IV/2 "Officer in charge of a Navigational Watch with NO limitations";
  • Good knowledge of MS Office applications;
  • Fluent in English language, verbally and in writing
  • Good communication Skills;
  • Good Reporting skills

What we offer

Working at Allseas allows you the chance to work in a dynamic, fast-paced, entrepreneurial environment, with creative thinking, collaboration and down-to-earth culture at its core.

Interested?

If you feel that you can contribute to our business by diving into this exciting opportunity, we are looking forward to receiving your CV and motivational letter!

After finishing my bachelor’s in Mechanical Engineering, I decided to take a gap year, during which I worked at All Pioneering Spirit’s Niek Verbruggen System Engineer
The variety in knowledge, operational expertise, and people is what I love most about working for this company. Kees Aalbers Structural Engineer
Employees are given the chance to learn, grow, and develop their skills, reflecting the company’s attitude towards hard work and trust. Justin Sjaak Senior NDT Engineer
What’s kept me interested in working for Allseas all these years is being able to work in different environments, departments, and continents. Frans den Hartogh Manager Projects
Within Allseas, the expectations are high, but you are given responsibility right from the beginning. Caspar van Strijp Assistant Project Manager
Being in this team gave me the possibility of interact with clients, see many offshore platforms, widen my knowledge and strengthen my skills. Marco Chiozzi Assistant Project Manager
Allseas has a brilliant team of diverse cultures and backgrounds, who share the passion and enthusiasm for the work we do. Helio Bailly Guimaraes Unit Head Naval Architecture
The independence and responsibility asked of me as a student really suited me and I liked the Allseas culture and way of working. Jessica Vleugel Manager Capital Projects
There is a very open and international vibe in the offshore business and people are always friendly and respectful. Laura de Jong Coating Engineer and Project Manager River Clean up Project
Allseas thrives in a unique, demanding industry, showcasing its size and spirit. It provides a dynamic workplace with innovative ideas, exciting projects, and rewarding efforts. Victor Sánchez Senior Electrical Engineer

Allseas is a world-leading contractor in the offshore energy market.
Experts in the design execution of large and complex offshore projects. We are pushing the boundaries of technology. Designed and optimised in-house, our versatile fleet of specialised vessels operate worldwide, equipped with the most advanced equipment and systems.
Allseas specialises in 4 core activities: offshore pipeline installation, heavy lift
deep-ocean polymetallic nodule collection, river waste collection.

Engineering
Delft
Active in 5 countries
1,100 employees
70% men - 30% women
Average age is 42 years