Modec Offshore Production Systems (Singapore) Pte Ltd is a leading provider of solutions to the Floating Offshore Oil & Gas market for more than 50 years and we are currently looking for a Senior Quantity Surveyor to join us.

Being part of Modec means being the protagonist of a challenging career and being in touch with the latest deep-water production systems, knowing that your career begins in Singapore, but your talent can take you anywhere in the world. If you want to be one of the greatest in the market, this is your opportunity!

This position will be based at multiple on-site locations and 5.5 working days.


This role is to perform assigned project/proposal Quantity Surveying activities with administrative of Post-Subcontracts (Block-K) documents (e.g. Major Fabrication Subcontracts Agreement and Related Exhibits A-J of RFP (Request For Proposal) Package) with accountability.
Safe keeping project close out final documents in J-Drive or Share points as repository data.

  • Responsible for preparing and evaluating a job-specific Pricing Schedule Table of Exhibit E, Appendix 2 of RFP Package for budgeting and making a contract with subcontractor by collaborate with Engineering at proposal stage.
  • Responsible for carrying out Remeasurement Quantity verifications against to IFC -Drawings submitted by Subcontractor at job execution stage.
  • Change work management including miscellaneous works such as Reimbursable, custom clearance documents (Chinese/Portuguese, Others) verifications at Job execution stage.
  • Preparing monthly cost forecast based on WCR/MTO versus contractual values and latest remeasurement quantities at job execution stage.
  • Tracking SI / CR Log and estimating related cost impact and notify PMT, Project Snr. Lead QS at job execution stage.
  • Negotiation with subcontractor and assist Project Snr. Lead QS and PMT (especially Project Control Manager and Project Contract Manager) for final account close out at Job execution stage.
  • Material reconciliation against free issued quantities versus as built quantities at job execution stage


Educational Qualification:
Bachelor of Engineering Degree, Engineering Diploma, Marine Degree / Diploma Graduates or Oil & Gas related Bachelor of Engineering Degree / Diploma is essential.

Minimum 5-8 of Experiences in Oil & Gas especially FPSO shipbuilding or Shipyard experiences. (Ref.7.3)

Certification(s): (Preferred but not required)
Microsoft Office / AutoCAD / Primavera Training Certificates

    Modec is committed in creating a diverse and inclusive workplace. We take affirmative action to ensure equal opportunity for all applicants regardless of race, religion, national origin, gender, gender identity, sexual orientation, disability, age, or other legally protected characteristics.