Senior Life Support Technician

SHANGHAI TUNNEL ENGINEERING CO (SINGAPORE) PTE LTD; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

SHANGHAI TUNNEL ENGINEERING CO (SINGAPORE) PTE LTD in Singapore is seeking a seasoned Life Support Technician (LST) to monitor and control life support systems within saturation diving environments, including gas mixtures, temperature, and pressure.

You will lead the LST team, coordinate gas management, perform inspections, and ensure safety during compression/decompression procedures, reporting any abnormalities to the supervisor.

Qualifications

• LST certification (ADCI/IMCA) required.
• Offshore medical fitness certificate required.
• 11+ years of experience in life support operations, including saturation diving.
• Proven leadership of LST teams and coordination of operations.
• Strong knowledge of gas analysis, breathing gas management and hyperbaric life support systems.
• Experience with gas regeneration and scrubbing systems.
• Familiar with chamber sanitation and emergency procedures.
• DMT/First Aid/CPR training is a plus.

Responsibilities

• Monitor and control hyperbaric environmental conditions within saturation living chambers and TBM habitat systems.
• Prepare, analyse and control breathing gas mixtures (Heliox, Nitrox, O2) and manage gas regeneration.
• Execute and monitor compression/decompression procedures for saturation diving teams.
• Operate life support control panels, gas distribution manifolds, medical locks and sanitation lock systems.
• Maintain LST logs, monitor gas stocks, and calibrate gas analysers and hyperbaric equipment.
• Plan cylinder replacements to ensure adequate gas supply.
• Lead and coordinate the LST team and ensure safe operations.
• Report equipment abnormalities and safety concerns to supervisor.

Skills

Leadership

Gas analysis

Breathing gas management

Hyperbaric systems

Chamber environmental control

Education

ADCI LST / IMCA-recognised LST

DMT / First Aid / CPR training

Tools

Gas analysers

Life support equipment

Gas regeneration / scrubbing systems

Job description

Job Description & Core Responsibilities

• Monitor and control hyperbaric environmental conditions within saturation living chambers and TBM habitat systems, including oxygen, carbon dioxide, temperature, humidity and pressure.
• Prepare, analyse and control breathing gas mixtures, including Heliox, Nitrox and oxygen levels, and manage gas regeneration and scrubbing systems.
• Execute and monitor compression and decompression procedures for saturation diving teams in accordance with approved diving procedures and applicable diving tables.
• Operate life support control panels, gas distribution manifolds, medical locks and sanitation lock systems.
• Maintain accurate LST operational logs, monitor life-support gas stocks and carry out routine inspection, maintenance and calibration of gas analysers and hyperbaric equipment.
• Monitor gas cylinder pressure and inventory, and plan cylinder replacement schedules to ensure adequate gas supply.
• Lead and coordinate the LST team, allocate work and ensure that life support operations are carried out safely and effectively.
• Report equipment abnormalities, safety concerns and operational issues to the Diving / Hyperbaric Operations Supervisor.

Job Requirements

• Relevant Life Support Technician (LST) certification or qualification, such as ADCI Life Support Technician (LST) or IMCA-recognised LST / Assistant LST certification, where applicable to the scope of work.
• Valid offshore / commercial diving medical fitness certificate, as required for the role.
• Minimum 11 years of relevant experience in life support operations, with substantial experience in saturation diving systems or TBM hyperbaric habitats.
• Proven experience in leading or supervising an LST team and coordinating life support operations.
• Strong practical knowledge of gas analysis, breathing gas management, hyperbaric life support systems and chamber environmental control.
• Experience in gas regeneration / scrubbing systems, gas monitoring equipment and hyperbaric chamber operations.
• Knowledge of chamber sanitation procedures and emergency response requirements.
• Relevant DMT / First Aid / CPR training or certification will be an advantage, where applicable.
• Strong safety awareness, leadership, communication, teamwork and attention to detail.