First Mate

Date: 10 Feb 2026

Location: ZH, NL

Company: Allseas Group

About Allseas

As Allseas employee your work will contribute to our mission: Shifting boundaries of offshore technology. We Pioneer Together to remain a sustained frontrunner through technical ingenuity and entrepreneurial spirit. We live by our core values: Passionate, Innovative and Reliable.

Our employees are skilled and passionate, with an entrepreneurial no-nonsense approach, who are willing to dare the new, innovate through advanced technology, showing integrity and a safe, efficient, and error-free performance resulting in high quality services and products for our clients.

We take great care that we limit impact on the sensitive marine environment and that we operate in socially responsible and sustainable way, preserving our energy resources.

We familiarise ourselves with Allseas Integrated Management System (AIMS), to execute Allseas' activities in a uniform way, ensuring these activities comply with the applicable laws, rules, regulations and certification standards, and are aligned with Allseas mission, vision and values.

Division Description

Working offshore on one of our vessels means that you are at the heart of the action and taking an active part in shaping the future of the offshore industry. Our offshore crew members are dedicated and determined to get the job done efficiently without losing sight of safety.

The marine crew comprises three main teams: nautical, technical and catering. The nautical crew is responsible for sailing the vessel; the technical crew (engineers and mechanics) maintains the installations and equipment on board such as the main engines and electrical plant; the catering crew (cooks and stewards) provides catering and cleaning related services for all crew on board.

Department Description

The Nautical Department, under the responsibility of the Master, plays a crucial role in the safe and efficient navigation and operation of the vessel. In accordance with International Maritime Organization (IMO) regulations, this department ensures compliance with standards for navigation, safety, and crew competency. The Bridge team, supervised by the Chief Mate, works alongside the Safety and Catering teams to maintain a secure and efficient onboard environment.

Job Description

As First Mate, you are the responsible leader of your department’s shift, overseeing and directing your team in the execution of marine operations. You’ll work on marine operations worldwide, reporting to the Chief Mate and Master, and collaborating with a skilled bridge team and other departments.

 

Your responsibilities include:

 

  • Acting as Bridge Officer of the Watch during sailing, anchoring, port operations, and DP mode, ensuring compliance with the Master’s standing orders, international regulations, and good seamanship.
  • Leading the shift in the nautical department and ensuring tasks are carried out efficiently and in line with company Safety Management System (AIMS) standards.
  • Operating as Senior DP Operator (SDPO), creating and executing DP trial task plans.
  • Ensuring continuous route optimization using weather routing software in close collaboration with the Master.
  • Optimizing power consumption by the DP system and other power consumers within the department.
  • Optimizing pipe pull speeds, accelerations, and decelerations in close collaboration with the (Senior) Tension Machine Operator.
  • Collaborating closely with survey, tension machine, ROV, and other relevant departments.
  • Controlling the ballast system as directed by the Master or Chief Mate and performing vessel strength/stability calculations.
  • Monitoring safety, health, and environmental activities, assisting where necessary, and recording all events and incidents in the vessel’s log.
  • Carrying out general marine operations, vessel maintenance, and inspections, including maintenance of firefighting and life-saving appliances.
  • Ensuring a proper shift handover and that all personal documentation is up-to-date and valid

Qualifications & Experience

To succeed as First Mate at Allseas, you should have:

 

  • Maritime education and compliance with all STCW requirements, according to the applicable Allseas norms
  • Minimum 5 years’ experience as an officer of the watch.
  • Minimum 3 years’ experience as a DPO working in the offshore oil and gas, construction, or dredging industry.
  • Minimum 5 rotations’ experience as a Second or Third Mate on a pipelay vessel actively engaged in pipelay activity (or, for Chief Mates already in rank before 2025, 3 rotations’ introduction period working in parallel)
  • In possession of COC with competency level II/2 and IV/2 “Chief Mate with NO limitations”.
  • DPO Unlimited certification.
  • Good knowledge of MS Office applications.
  • B1 level English proficiency (spoken and written).
  • Fulfillment of all training and qualification requirements in accordance with the applicable Allseas norms
  • Decisiveness, good communication, leadership, and reporting skills.

Certifications

  • Medical certificate (or equivalent)
  • Offshore survival
  • Certificate of Competence (or equivalent)

Additional Information

Working at Allseas allows you the chance to work in a dynamic, fast-paced, entrepreneurial environment, with creative thinking, collaboration, and a down-to-earth culture at its core. It means contributing to pioneering projects and working with top-notch technologies.

 

Apart from that, you can count on the following:

 

  • Competitive salary based on your offshore industry skills and expertise.
  • 5x5 rotation schedule for work-life balance.
  • Career advancement opportunities in a dynamic organization.
  • Global workplace with professionals from 40+ nationalities.
  • Robust safety programs and continuous training.
  • Varied fleet experience for skill diversification and career enrichment.

 

Ready to pioneer with us?

 

If you’re passionate about offshore technology and want to make a difference, we look forward to receiving your CV and motivational letter. Please apply via the Apply button. An online personality questionnaire may be part of the selection procedure.