Ahmad Abbas
@ahmadabbas
Senior mechanical engineer with 38+ years in heavy engineering, oil & gas, mining and project estimation.
What I'm looking for
I am a seasoned mechanical engineer with over 38 years' experience across heavy engineering sectors including oil & gas, refineries, petrochemical plants, mining and material handling. I have led estimation and project teams, coordinated multidisciplinary disciplines, prepared technical and commercial proposals, and managed construction, commissioning and refurbishment projects internationally.
My career highlights include senior roles in estimation and construction management, delivering multi‑million dollar projects, developing execution plans and QA systems, and supervising mechanical works for major refineries and mining concentrators. I bring practical onshore/offshore site experience, strong costing and tendering expertise, and a commitment to safe, standards-driven project delivery.
Experience
Work history, roles, and key accomplishments
Assistant Dept. Head
C.A.T. Offshore S.A.L.
Sep 2009 - Feb 2022 (12 years 5 months)
Assisted department manager in preparing estimates and managing day-to-day estimation activities for heavy engineering projects, supervised mechanical engineers, coordinated multi-discipline interfaces, and contributed to technical and commercial proposal preparation.
Senior Mechanical Engineer
C.A.T. Offshore S.A.L.
Feb 2006 - Aug 2009 (3 years 6 months)
Supervised mechanical engineers in the estimation department, prepared and followed up queries and RFQs, reviewed vendor offers to determine optimal pricing, and coordinated with area managers on tendering matters.
Senior Mechanical Engineer
C.A.T. Offshore S.A.L.
Nov 2004 - Jan 2006 (1 year 2 months)
Assigned as Mechanical Project Engineer / Construction Manager in the estimation department, supporting project execution planning and construction coordination for offshore and onshore projects.
Construction Manager
C.A.T.-Lebanon S.A.L.
May 2002 - Jan 2006 (3 years 8 months)
Acted as Mechanical Project Engineer / Construction Manager within the estimation department, overseeing construction activities and coordinating project delivery for mechanical scopes.
Design Coordinator
C.A.T.
Apr 2003 - Nov 2004 (1 year 7 months)
Served as Design Coordinator for the Sab-Tank project in Jubail, liaising with designers and contractors to ensure mechanical design integration and constructability for tank works.
Project Mechanical Engineer
United Constructions Pty Ltd
Jun 1998 - Apr 1999 (10 months)
Managed all mechanical works for the Sulfuric Acid and Utilities areas at the Sun Metals zinc refinery project, responsible for vessels and equipment delivery and installation.
Piping Engineer
John Holland Engineering & Constructions Pty Ltd
Jan 1998 - Feb 1998 (1 month)
Responsible for piping, structures, vessels and flare works in the Seal Gas areas and piping racks for the BHP HBI project at Port Hedland.
Senior Mechanical Project Engineer
Mount Isa Mines Ltd
Nov 1994 - Nov 1997 (3 years)
Executed capital and operating engineering projects for concentrators and lead smelter, delivering multiple refurbishments and new-builds with project values up to $700k and programs totaling several million.
Estimator / QA Engineer
Lifese Engineering Pty Ltd
Jan 1992 - Oct 1994 (2 years 9 months)
Prepared company quotations and tenders, managed contractual negotiations, implemented a Quality Assurance system, and served as project engineer on refinery shutdowns valued at ~$4m.
Senior Project Engineer
Euro-Pacific Technologies
Jun 1989 - Dec 1991 (2 years 6 months)
Led site engineering teams and managed installation of structural, piping and mechanical components for a $20m polypropylene unit project, and oversaw multiple refinery maintenance shutdowns.
Instructor, Mechanical Engineering
American University of Beirut
Nov 1987 - Sep 1988 (10 months)
Taught freshman mechanics and assisted with third-year mechanical engineering laboratory instruction and laboratory management.
Field Engineer
National Petroleum Construction Co.
Oct 1984 - Jul 1987 (2 years 9 months)
Planned and executed offshore hook-up and installation works for multiple field development packages, managed manpower and materials, and supervised subcontractors in large offshore projects.
Education
Degrees, certifications, and relevant coursework
University of California, Berkeley
Master of Science, Mechanical Engineering
Completed a Master of Science in Mechanical Engineering focusing on advanced mechanical engineering principles and applications.
University of California, Berkeley
Bachelor of Science, Mechanical Engineering
Completed a Bachelor of Science in Mechanical Engineering covering core mechanical engineering subjects and foundational engineering practice.
Availability
Location
Authorized to work in
Job categories
Skills
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