Title:  Underwater Sonar Field Engineer (Contract)

About ST Engineering

ST Engineering is a global technology, defence, and engineering group with offices across Asia, Europe, the Middle East, and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence, and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Our history spans more than 50 years, and our strategy is underpinned by our core values – Integrity, Value Creation, Courage, Commitment and Compassion. These 5 core values guide every aspect of our business and are embedded in our ST Engineering culture – from the people we hire, to working with each other, to our partners and customers.

About our Business – Unmanned & Integrated Systems 

Our Unmanned & Integrated Systems business offers holistic solutions in system engineering and integration. We pioneer maritime robotics and autonomy solutions, provide system integration for complex naval and island air defence System-of-Systems (SoS), and take care of the operation and maintenance of Command, Control, Communications, Computers Intelligence (C4I) systems. We cater to the needs of Defence, Public Safety & Security, and Commercial clients worldwide, providing seamless and innovative services that redefine possibilities.

Together, We Can Make A Significant Impact

The Underwater Sonar Field Engineer is responsible for the installation, commissioning, maintenance, troubleshooting, and lifecycle support of underwater sonar and acoustic sensor systems deployed at sites. The role requires strong hands‑on technical capability in sonar, underwater acoustics, electronics, and system integration, with the ability to operate independently in challenging field environments. The engineer will work closely with customers, shipyard teams, and internal engineering groups to ensure safe, reliable, and optimal sonar system performance.

Be Part of Our Success

• Install, configure, commission, and test underwater sonar systems, including transducers, arrays, processing units, interfaces, and associated power and UW network infrastructure within the system is operational and serviceable at sites.
• Coordination with Authority to perform routine, corrective, and preventive maintenance on sonar and underwater acoustic systems to ensure operational availability and system reliability
• Diagnose and troubleshoot sonar system faults spanning hardware, cabling, connectors, acoustic sensors, signal conditioning units, and embedded software to minimise system downtime.
• Support system integration, alignment, calibration, and functional verification of sonar systems, including during upgrades, retrofits, or system modifications.
• Conduct on‑site testing, verification, and acceptance activities, including system health checks, operational testing, and post‑maintenance validation.
• Provide technical support, operational guidance, and basic training to customers, operators, and end‑users on sonar system operation and maintenance.  
• Prepare accurate service reports, fault findings, maintenance records, and configuration documentation in accordance with quality and contractual requirements.
• Adhere strictly to company policies, maritime safety regulations, electrical safety standards, and offshore work procedures, including work on vessels and restricted coastal sites.
• Liaise with OEM and Vendors to resolve technical issues where applicable.

Qualities We Value

• Knowledge in Engineering in Electronics or equivalent
• Min 2 years’ experience in providing maintenance service
• Able to perform 24/7 stand-by and attend to system faults within the respond time and resolution time
• Medically fit and able to work outfield on site
• Good team player and yet able to work independently.
• Possession of a valid Class 3 driving license would be advantageous
• Singaporean only
• Open to Contract, renewal

Our Commitment That Goes Beyond the Norm

• An environment where you will be working on cutting-edge technologies and architectures.
• Safe space where diverse perspectives are valued, and everyone’s unique contributions are celebrated.
• Meaningful work and projects that make a difference in people’s lives.
• A fun, passionate and collaborative workplace.
• Competitive remuneration and comprehensive benefits.

Work Location: Tuas (Shuttle service provided) and various sites as assigned