Ahmad Shamsuddin Z.

As a seasoned Commercial Diving Operations Specialist with 22+ years of global expertise in high-stakes

onshore/offshore diving operations, subsea construction, and marine engineering. Trusted by industry

leaders like Shell, Carigali Hess, Petrofac, Petro Vietnam, Chevron, Petronas, and KJO (Saudi

Aramco) to deliver underwater projects with 100% safety compliance and 15% efficiency gains.

Certified ADAS Part 3 Air Diver, AWS D3.6 Underwater Welder, and IMCA-compliant leader with mastery

in Diving and ROV coordination, NDT inspections, and emergency repairs in extreme environments.

Core Credentials:

• Certifications: ADAS Part 3 Air Diver | ADCI Surface Supplied Diver | AWS D3.6 Welder

• Technical Expertise: Subsea IRM | Underwater Welding/Cutting | Pipeline Installation |

SALM/SPM Overhauls | Surface Supplied & ROV Operations | NDT (MPI/UT/CP)

• Project Leadership: Risk Mitigation | Budget Control | Stakeholder Collaboration | Emergency

Response

Key Achievements:

• Operational Excellence: Delivered 15+ pipeline installations and 40+ SALM/SPM projects for

Petronas and KJO, reducing downtime by 20% and extending asset lifespans by 3+ years.

• Safety Leadership: Maintained zero incidents across 200+ underwater operations, including

VLCC berthing and typhoon-condition repairs.

• Cost & Efficiency: Slashed project timelines by 5% and achieved 12% cost savings for Saudi

Arabia’s KJO through optimized resource allocation and risk frameworks.

• Team Development: Mentored 50+ divers, achieving 40% faster certification rates and enabling

rapid response to critical subsea emergencies.

Core Competencies:

• Diving Operations: Underwater inspection, welding, rigging, salvage, and non-destructive testing

(NDT), MPI, UT, and CP.

• Project Execution: Full lifecycle management, from planning and risk assessment to IMCAcompliant delivery.

• Client Impact: Built long-term partnerships through transparent communication, on-budget

delivery, and crisis resolution in Asia and the GCC.