Summary
Overview
Work History
Education
Skills
Certification
Websites
Timeline
Generic

Sunil Dev Sasidharan

EPCI, T&I SPECIALIST - OIL & GAS
Kuala Lumpur

Summary

Over fifteen years of experience in the Oil & Gas industry managing onshore/ offshore works for both shallow and deep-water projects covering the entire life cycle from bid stage to commissioning – Detailed Design, Operations, Package and Project Management - while working in challenging environments across Southeast Asia, India, Australia, and the Middle East.

Overview

17
17
years of professional experience
2
2
Certifications
4
4
Languages

Work History

Project Engineering Manager / Tender Technical Manager

Subsea 7, Singapore
12.2022 - 11.2025
  • Responsible for review, approval and timely delivery of all Installation engineering documents.
  • Critical review of interfaces between disciplines and project stakeholders.
  • Responsible & accountable for Project quality, cost and schedule.
  • Manage a group of Design Engineers, Installation Engineers and Drafters – headcount of 45.
  • Technical and Commercial bid evaluations, final authority for technical evaluation. Chair Tender Technical Board meetings.
  • Evaluated project requirements to identify and mitigate risks. Risk & Opportunity register preparation.
  • Implemented cost-saving measures during project execution, maintaining profitability without compromising quality standards.
  • Optimized resource allocation by balancing project workloads among team members, ensuring timely delivery of results.
  • Responsible for maintaining CTRs for all teams managed and ensuring actual manhours is within budgeted/ allocated manhours.
  • Review and approval Technical Queries, Site Queries and Red-line Mark-ups, Management of Change.
  • Provide weekly and monthly progress reports to Senior Management. Review and approve Operations reports, Prepare Project Close-out report.
  • Chair Constructability and Readiness Review sessions.
  • Project Engineering Manager for Zuluf 8081 and Change Order on Marjan Increment Project Phase 2 - 400 days of offshore works.
  • Commercial Lead for Subsea works – Diving & Intervention works.
  • Interface management with Saudi Aramco PMT, LTEH Marine Ops for SIMOPS, Subsea 7 Diving Group, Pipelay Vessel Seven Borealis, Fabrication team in Zamil Saudi Arabia.
  • Mentored junior engineers on technical skills development, contributing to their professional growth within the company.

Principal Operations Engineer

McDermott Asia Pacific Sdn. Bhd., Malaysia
05.2021 - 11.2022

Umbilical Package Lead - ONGC KG-DWN-98/2 Development Project

  • Installation Lead for Umbilical & Flying Leads installation – Static & dynamic.
  • Provided technical assistance during operational changes via both on-site support and remotely.
  • Interface management with ONGC, Baker Hughes, Oceaneering and SPBAG (FPSO).
  • Package Lead for FPSO works - Interface, heading control and dynamic umbilical pull-ins.

Principal Operations Engineer/ Package Lead - Bayu Undan Infill Wells Project

  • Maintained up-to-date documentation for all technical processes and procedures, fostering clear communication among team members.
  • Conducted root cause analysis for recurring issues, resulting in long-term solutions and improved system stability.
  • Project Engineering interface with TFMC, Baker Hughes, JDR Cable systems, Oceaneering and FOGT.
  • Main scope included Flexible jumper and flowline recovery, conditioning and re-lay, recovery of Dewatering Manifold.
  • Lead Engineer for Umbilical transportation and installation scope.

Senior Field Engineer/ Spoolbase Lead

McDermott Asia Pacific Sdn. Bhd., Malaysia
09.2019 - 04.2021

ONGC KG-DWN-98/2 Development Project

  • Lead Engineer responsible for Set-up of portable Spoolbase in Kattupalli, India, one of the longest Spoolbase in country ranging 1.5km with a capacity to hold over 100 stalks, each stalk measuring 1.3km in length.
  • Interface management with consortium partner LTHE for readiness of Channel and berthing area including Dredging and bathymetry for LVNO105’s berthing.
  • Managing over 200 personnel at site including McDermott personnel, subcontractors, and local labor force.
  • Commercial interface with multiple subcontractors & vendors.

Senior Project Engineer

Subsea 7 APME
06.2018 - 08.2019

Hasbah Offshore Gas Facilities Increment II Project

  • Package Lead for Spools Fabrication (Oman) and Subsea tie-ins (Saudi Arabia, using DSV Pioneer).
  • Interface Management with fabrication contractor (LTHE, Sohar), Diving Subcontractor (CCCUE) and Third-Party Design team (Intecsas).
  • Lead Engineer offshore (Hasbah Field) for Spool tie-ins and Intervention works.
  • Established strong working relationships with clients to ensure clear communication of expectations and requirements throughout the project lifecycle.
  • Ensured adherence to safety protocols and regulations, resulting in a safe work environment with minimal incidents throughout project duration.
  • Mentored junior engineers to develop their skills, resulting in a more knowledgeable and versatile workforce.

Senior Field Engineer

McDermott Asia Pacific Sdn. Bhd., Malaysia
05.2016 - 06.2018

RIL KG-DWN-98/3 (KG-D6) SURF EPCIC Project

  • Field Engineer for Deepwater S-lay scope using DLV 2000 for installation of appx. 175km of pipelines ranging from 98m WD to 2000m WD.
  • Package Engineer responsible for set-up of Piggyback Firing line on DLV 2000. Field Engineer - ONGC Subsea Installation of Vashishta & S1 Development Project.
  • Lead Engineer for Cofferdam Construction for beachpull of 2 x 14” gas pipelines and 1 x umbilical including set-up of Beachpull site for project use.
  • Handled the SRT (Site Receipt Testing) of flying leads in Kakinada – 45ea flying leads in total – including Pressure test, fluid cleanliness checks, I/CR and OTDR.
  • Interface Management with Consortium partner LTHE, ONGC, local departments in India and various subcontractors such as Oceaneering, Narmada Offshore etc.
  • Field Engineer onboard pipelay barge DB30 for installation of 2 x 14” gas pipelines including Beachpull and normal lay - 26.5km per line – up to 250m WD.
  • Involved in the mobilization of Umbilical barge AF180 and executed a 3.3km umbilical pull - river to landfall point at beach and re-routing to TUTU @ ONGC Terminal.

Field Engineer

McDermott Asia Pacific Pte. Ltd., Malaysia
08.2013 - 04.2016
  • Brunei Shell Petroleum Transportation & Installation of Pipelines, Umbilical & Cables
  • Lead Engineer offshore onboard Pipelay barge DB30 for 1km of 12” CRA line at Champion field and Installation of 20km of 20” CS line.
  • ICHTHYS Gas Field Development Project.
  • Project Engineer for Intermac-650 including testing and preparation of barge systems for loadout & installation of Riser Support Structure (RSS), Ichthys Field off Broome, Western Australia.
  • Responsible for loadout of RSS in Batam and launching/ installation offshore in East Timor Sea – Installation assisted by DCV Agir at 240m WD, largest Riser Support Structure laid on seabed weighing 6500 tons.

Field Engineer

Offshore Construction Specialists Pte. Ltd., Singapore
06.2011 - 07.2013
  • Zawtika Development Project
  • Gorgon Project – Barrow Island LNG Plant, Australia
  • Bawal Development Project, Indonesia
  • Yolla Mid-Life Enhancement Project
  • Prepared documentation that would be used in requests for proposal.
  • Collaborated with multidisciplinary teams to develop innovative solutions for challenging field problems.
  • Managed multiple projects simultaneously, demonstrating strong organizational skills and adaptability under pressure.

Assistant Manager (Mechanical – Structure & Heater)

Essar Projects (India) Ltd., India
06.2008 - 07.2010
  • Supervised day-to-day operations to meet performance, quality and service expectations.
  • Developed strong working relationships with staff, fostering a positive work environment.
  • Involved in fabrication of appx 15000MT of refinery expansion structures.
  • Involved in planned shutdown activities.

Education

Master of Science - Mechanical Engineering

Nanyang Technological University
Singapore
06-2011

Bachelor of Engineering - Mechanical Engineering

Government College of Engineering
Salem, India
04-2008

Skills

Possess leadership qualities developed over years of managing teams from different functions and projects

Ability to work with cost & safety in mind without compromising productivity and quality

Team Player with excellent People Skills due to working with personnel from different backgrounds, nationalities, and cultures

Technically and operationally sound with the experience gained from various projects being put to full use

Certification

Project Management Professional (PMP) – ongoing, 35 PDUs completed

Timeline

Project Engineering Manager / Tender Technical Manager

Subsea 7, Singapore
12.2022 - 11.2025

Principal Operations Engineer

McDermott Asia Pacific Sdn. Bhd., Malaysia
05.2021 - 11.2022

Senior Field Engineer/ Spoolbase Lead

McDermott Asia Pacific Sdn. Bhd., Malaysia
09.2019 - 04.2021

Senior Project Engineer

Subsea 7 APME
06.2018 - 08.2019

Senior Field Engineer

McDermott Asia Pacific Sdn. Bhd., Malaysia
05.2016 - 06.2018

Field Engineer

McDermott Asia Pacific Pte. Ltd., Malaysia
08.2013 - 04.2016

Field Engineer

Offshore Construction Specialists Pte. Ltd., Singapore
06.2011 - 07.2013

Assistant Manager (Mechanical – Structure & Heater)

Essar Projects (India) Ltd., India
06.2008 - 07.2010

Master of Science - Mechanical Engineering

Nanyang Technological University

Bachelor of Engineering - Mechanical Engineering

Government College of Engineering
Sunil Dev SasidharanEPCI, T&I SPECIALIST - OIL & GAS