Lead Structural Design Engineer [Offshore Project]

Responsibilities

• Verify skid loading, static & dynamic reactions
• Check structural adequacy of supporting platforms
• Validate vendor structural information (CG, weights, loads)
• Review equipment baseplates, foundation pad/skid supports
• Ensure offshore environmental load conditions are considered
• Approve structural reinforcement requirements
• Brownfield Structural Assessment & Tie-In Engineering
• Brownfield engineering is critical for ADNOC platforms.
• Lead structural tasks include:
• Assessing existing deck load capacity
• Reviewing as-built drawings, laser scans, & survey data
• Identifying reinforcement needs for increased loads
• Checking space constraints & structural conflicts
• Ensuring safe access & maintenance clearance
• Reviewing EPC brownfield method statements
• Verifying tie-in locations for new supports and routing
• Confirming deck rating suitability for compressors/dryers
• Support safe brownfield execution under SIMOPS and offshore constraints.
• Structural Analysis Review & Verification
• Review EPC contractor structural analyses:
• Global & local FEA (Finite Element Analysis)
• Deck load & punching shear checks
• Fatigue analysis (if applicable)
• Vibration assessments for rotating equipment
• Impact load/accidental load checks
• Dynamic load & equipment vibration transmission
• Wind, wave & seismic load evaluation for offshore
• Ensure all structural calculations meet ADNOC safety factors and design criteria.
• 3D Model Review & Multidiscipline Integration
• Lead 3D model structural validation for:
• Equipment placement & support framing
• Clearances, access, and maintenance envelopes
• Structural element clashes with piping/E&I/trays
• Cable tray and piping penetrations
• Location and routing of additional supports
• Structural stability & stiffness checks
• Participate in 30% / 60% / 90% EPC model review sessions.
• Proficient in AVEVA (E3D/PDMS) and SP3D for structural modelling, steel framing and platform design, clash detection, and extraction of structural GA drawings, fabrication details, IFC and MTO deliverables in accordance with ADNOC design standards.
• Experienced with SACS, STAAD. Ro, Tekla Structures, AutoCAD, Navisworks, AVEVA E3D and SP3D for offshore structural analysis, 3D modelling, detailing, and preparation of IFC/MTO deliverables as required for ADNOC projects.
• Lifting, Rigging & Installation Engineering
• Provide structural OE oversight for installation engineering:
• Review lifting plans & rigging studies
• Validate crane capacity, rigging points, padeyes
• Review temporary lifting frames or lifting lugs
• Ensure compliance with offshore lifting standards
• Verify transport & installation load conditions
• Support safe mechanical installation offshore.
• Structural Safety & Process Integrity Support
• Provide structural input for:
• HAZID, HAZOP (structural interface actions), SIMOPS reviews, ENVID,
• Fire Protection & Blast Loading (if applicable)
• Ensure structural integrity is maintained during all phases of EPC.
• Review of EPC Structural Deliverables
• Review and approve:
• Structural drawings (GAs, details, reinforcements)
• Fabrication drawings
• Welding maps, WPS/PQR/NDE requirements
• Structural MTOs
• Tie-in support drawings
• Offshore installation plans
• Structural demolition & modification drawings
• Ensure alignment with ADNOC formats and numbering.
• QA/QC & Fabrication Oversight
• Provide OE-level assurance during structural fabrication:
• Review EPC QCP/ITP for structural fabrication
• Validate material traceability and weld quality
• Review NDT plans (UT, RT, MT, PT)
• Monitor fabrication progress (if required)
• Approve structural works before delivery offshore
• Construction & Commissioning Support (Structural Discipline)
• During field execution, support:
• Structural e

Benefits

Additional Information

Role Purpose Lead and manage all structural engineering activities for the Offshore Project at Umm Shaif Super Complex USSC. The role ensures structural integrity, constructability, and compliance with ADNOC Offshore standards for new equipment installations, skids, pipe supports, and modifications on existing live offshore structures. The Lead Structural Engineer will coordinate with Engineering Subcontractors, OEMs, Marine teams, and ADNOC Offshore Engineering & Operations from FEED through EPC, installation, and commissioning. Structural Discipline Technical Authority (Owner's Engineer) Serve as the primary authority for all structural engineering activities related to IA/PA upgrades, ensuring adherence to: ADNOC Structural Engineering Standards ISO, API RP2A, AISC, BS, and offshore structural codes ADNOC offshore brownfield requirements Project Basis of Design and FEED integrity Structural integrity and safety requirements for all package equipment Provide clear oversight and final approval on structural discipline matters Structural Review of Package Equipment Integration Lead structural engineering governance for integrating: Instrument Air Compressors Plant Air Compressors Twin Tower Dryers IA/PA Air Receivers Associated skid structures and platforms Lifting frames, base frames, and support steel

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