Lead Structural Design Engineer [Offshore Project]

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 (Owners 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

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 element installation guidance
• Field modifications and clash resolution
• Punch-list preparation and closure
• Verification of structural stability after installation
• As-built validation & final acceptance

Documentation Reporting & Compliance

• Maintain structural discipline registers (load sheets analyses GA tracking)
• Review weekly EPC progress and structural updates
• Track TQs deviations NCRs & change requests
• Ensure full compliance with ADNOC document control requirements
• Verify final as-built structural documentation

Key Deliverables

• Structural design calculations and assessment reports
• Equipment foundation and modification drawings
• Lifting and installation support documents
• As-built structural drawings and records

Interface and modification registers

Qualifications :

• Bachelors Degree in Civil / Structural Engineering
• ADNOC Offshore approval or eligibility mandatory
• Offshore structural design training preferred
• Chartered Engineer status (PE / CEng) advantageous

Additional Information :

• Minimum Experience: 15 Years (Oil & Gas EPC Projects)
• Offshore Experience: Mandatory (Brownfield Platform Projects Preferred)

Technical Skills

• Offshore steel structure design and assessment
• Structural analysis for static dynamic and lifting loads
• Brownfield modification and constructability engineering
• Strong knowledge of ADNOC Offshore structural standards
• Interface management with piping mechanical electrical and marine disciplines

Personal Attributes

• Strong technical leadership and decision-making ability
• Detail-oriented and safety-focused
• Effective communicator with ADNOC EPC and vendor teams
• Proactive accountable and deadline-driven
• Capable of working under offshore project pressures

Remote Work :

No

Employment Type :

Full-time