Jason Medcroft

Diving Superintendent at Mermaid Subsea Services

Greater Las Palmas Metropolitan Area

About

In the diving industry I have gained sound experience and knowledge of offshore subsea installations, construction, salvage and IRM activities. Approachable and able to organize clear lines of communication and cooperation, I have effectively managed completion of multiple projects with competence and control. Having strong leadership, interpersonal and problem solving skills I am able to plan and develop efficient work sequences from technical project documents to build and manage effective teams that communicate well. My forward looking attitude, attention to details and safety awareness have proven successful on challenging and complex campaigns. Qualifications: IMCA Air Diving supervisor ADC inshore diving supervisor HSE surface supplied top up HSE surface supplied diver ACDE air/ mix gas diver OPITO level 3 rigger DMT Offshore 1st Aid/ o2 provider Offshore survival FOET OGUK offshore medical H2S escape Competence certifications: Dynamic Positioning basic awareness Dive System Auditing & Assurance Surface Supplied Nitrox operations HydraTight hydraulic bolt tensioning Nebosh IGC1 management of intl. health & safety Nebosh GC2 controlling workplace hazards Diving Operations FMECA Awareness LOTO procedures Umbilical excursion supervisor checks LEADERSHIP for offshore supervisor

Experience

  • Available ..IMCA air supervisor / Superintendent at Self-employed
    Aug 1999 - Present · 26 yrs 11 mos

    currently available

  • Diving Superintendent at James Fisher Subtech
    Aug 2025 - Oct 2025 · 3 mos

    Qatif field expansion. Spool installations, taught wire metrology, closing Spool installations, SSVS installations, umbilical tie-ins, Flexi PL tie-ins, SWMB installations, mattress installations

  • Diving superintendent at Mermaid Subsea Services (Co) Ltd Saudi Arabia
    Nov 2022 - Nov 2024 · 2 yrs 1 mo

    Responsibilities: Overall control of diving operations. Ensure the safety of all diving personnel, equipment and activities during execution of project activities. Ensure the offshore diving operations and activities are conducted in accordance with relevant legislation, Client standard and specification to Subcontractor policies and procedures. Liaise with Contractor and Client Representatives offshore within project meetings for task planning and to update production progress timelines. Manage the safety and performance of Subcontractor 3rd Party vendor on board. Implementation, maintenance and documentation of routine preventative maintenance/certification programme regarding project equipment. Ensure all required project equipment, competent personnel and procedures are in place as per the SOW. Action any corrective measures raised by audits and/or inspections pertaining to personnel, the work site and supporting equipment. Ensure appropriate risk assessment and toolbox talks are undertaken. Ensure project safety meetings are carried out to HSE procedures. Ensure that all project documentation during offshore installation works is appropriately completed including Daily Progress reports. Scope of work: (depth 0-38m) BERRI field expansion campaign. Pipeline and cable installations at New and Existing wellhead installations. 30”, 16” and 12” spool tie-ins flange closures, 16” flexi tie-ins, Pipeline - Riser and Riser clamps demolitions, Riser and clamp installations, Mattress installations and recovery, 16” Flexi PL lay and shore pull operations, flooding ops, Taught-wire metrologies, closing spool tie-ins, grout bag installations free-span corrections, trenching operations, SSVS installations and interventions.

  • Mermaid Subsea Services (Co) Ltd Saudi Arabia (Saudi Arabia)
    • Air diving superintendent
      Jun 2022 - Sep 2022 · 4 mos

      Scope of work: (depth 0-36m) 10”, 12”, 16” spool and flexi tie-ins, sleeper installations, 10” PL demolition, grout bag free-span corrections, Riser clamp installation and rectifications, SSVS installations, Mattress installations and recovery, taught-wire metrologies, closing spool installations flange closures, PL flooding ops

    • Diving Supervisor
      Mar 2022 - May 2022 · 3 mos

      IRM

  • James Fisher Subtech (8 mos)
    • Diving Supervisor
      Aug 2021 - Nov 2021 · 4 mos

      Responsibilities: Direct supervision and control of active Diving operations. Ensure all diving operations are conducted safely. Confirm that diving personnel are competent to carry out the work required of them and have a valid medical. Ensure that all equipment used is adequate, safe, certified, maintained and function tested before use. Ensure that daily TBT and safety meetings are conducted and recorded. Ensure all foreseeable hazards have been evaluated and are fully understood by all the relevant parties and if required training is given. Ensure an onsite JSA and PTW is in place for the task. Ensure that all involved parties are aware diving operations are going to start or continue. Ensure compliance to company policy and task planning and report to management any anomalies. Ensure clear audible and visual communication with all personnel under supervision and record all activities. Ensure clear communication with all personnel on diving operations such as marine crew, DP Operators, Survey, crane drivers and ROV personnel. Ensure direct communications with any diver in the water at all times and record all activities. Ensure that daily records of the diving operations are maintained and submitted to the Dive Superintendent. Scope of work: (depth 0-12m) 8” riser installations assistance at wellhead by stalk-on method, jacket clamp alignment, closure and bolt torque sequences. Assistance to riser guard removal and installation. 8” Smart flange installations. Spool piece tie-ins, freespan corrections, Hydra-Tight flange closures, PL excavations, Diamond wire saw cuts. Surveys and GVI’s

    • Diving Supervisor
      Apr 2021 - Jul 2021 · 4 mos