Lead Mechanical Engineer, Rotating

ROLE PURPOSE

The Lead Rotating Equipment Design Engineer shall act as the focal person for all rotating equipment engineering activities related to the Instrument Air & Plant Air System Upgrade, with primary focus on Air Compressors, ensuring:

• Full compliance with ADNOC Offshore Engineering Standards
• Protection of FEED & Design Basis integrity
• Safe, reliable, and energy-efficient operation of compressor systems on live offshore platforms
• Independent Owner’s Engineer (OE)-level engineering governance

ROTATING EQUIPMENT DISCIPLINE SCOPE (IA/PA PROJECT)

The scope includes, but is not limited to:

• Instrument Air Compressors
• Plant Air Compressors
• Compressor Drivers (Electric Motors) – Interface
• Lubrication Oil Systems
• Aftercoolers & Intercoolers
• Inlet Filters & Silencers
• Control & Protection Systems (Interface with I&C)
• Skid-mounted Compressor Packages

KEY ROLES & RESPONSIBILITIES

Rotating Equipment Technical Authority

Act as Lead Rotating Equipment Authority for:

• • Air compressor selection
  • Driver sizing
  • Performance & efficiency evaluation
  • Reliability and maintainability

Enforce compliance with:

• • ADNOC CoPs
  • API 617 / API 672 / API 618 (as applicable)
  • ISO standards for compressors

Provide final technical approval on rotating equipment design packages

Compressor Package Engineering & Vendor Oversight

Review and approve:

• • Vendor datasheets & performance curves
  • Compressor sizing calculations
  • Power & torque requirements
  • Materials of construction

Validate:

• • Flow, pressure & turndown ranges
  • Inter-stage cooling & moisture control
  • Package layout & maintainability
• Ensure compliance with:
  • ADNOC offshore environmental conditions
  • Noise & vibration limits

Brownfield Integration & Offshore Feasibility

Lead rotating engineering for:

• • Space availability
  • Deck load integration (with Structural team)
  • Maintenance access & lifting envelopes

Review:

• • Laser scan data
  • As-built platform drawings

Support:

• • SIMOPS planning
  • Brownfield installation feasibility

Mechanical Integrity, Reliability & Condition Monitoring

Ensure:

• • Proper bearing selection
  • Lube oil system reliability
  • Vibration monitoring philosophy
  • Redundancy & standby philosophy

Support:

• • Commissioning vibration baseline
  • Reliability & availability review with ADNOC Ops

Interfaces with Other Disciplines

Coordinate closely with:

• • Electrical (motor, VSD, power)
  • I&C (control logic, trips, alarms)
  • Piping (suction/discharge/nozzle loads)
  • Structural (skids, lifting)
  • OEM Vendors

Construction & Commissioning Support

Review:

• • Installation method statements
  • Alignment & grouting procedures
  • Pre-commissioning check sheets

Witness:

• • No-load and load test runs
  • Performance testing

Support final RFSU approval for compressor systems

ADNOC-SPECIFIC OFFSHORE SAFETY RESPONSIBILITIES

Enforce:

• • ADNOC PTW requirements
  • SIMOPS safety
  • Dropped object prevention

Validate:

• • Noise control
  • Guarding
  • Emergency access routes

SIMPLE DOCUMENTATION & REPORTING

Maintain key rotating equipment discipline registers, including:

• • Compressor Equipment List
  • Vendor Datasheet & Drawing Register
  • TQ & Deviation Log

Review and approve:

• • Vendor datasheets
  • GA & layout drawings
  • Test certificates
  • Pre-commissioning & commissioning records

Ensure compliance with:

• • ADNOC Document Numbering System
  • Project Master Document Register (MDR)

Prepare and submit:

• • Weekly Rotating Engineering Progress Reports
  • Monthly Discipline Summary Reports

Verify and approve as-built rotating equipment documentation for:

• • Mechanical Completion (MC)
  • Ready for Commissioning (RFC)
  • Ready for Start-Up (RFSU)

• Bachelor’s degree in mechanical engineering
• API rotating equipment certification – Advantage
• ADNOC Offshore project approval experience – Strong Advantage

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

CORE COMPETENCIES (ADNOC FOCUS)

• Offshore Air Compressor Package Engineering
• Brownfield Rotating Equipment Integration
• ADNOC Engineering Standards Compliance
• Vendor & OEM Technical Management
• Reliability & Maintainability Engineering
• Multi-disciplinary Interface Coordination
• Offshore Installation & Commissioning Support