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Open nowFirst seen 42 hours ago

Mechanical Lead (Erection, Testing & Commissioning)

Caliberly739 open roles

Where
Lambarene, Gabon
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Your applicationOpen nowMechanical Lead (Erection, Testing & Commissioning)Caliberly · Lambarene, Gabon

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This job: first seen 42 hours ago

The posting

JOB DESCRIPTION

Mechanical Lead (Erection, Testing & Commissioning) - Combined Cycle Power Plant (CCPP)

Experience: 18–20 Years Plant Type: Combined Cycle Power Plant (~230 MW) Location: Project Site

1. POSITION SUMMARY

The Mechanical Lead shall be responsible for complete execution, supervision, and management of erection, pre-commissioning, testing, and commissioning of all mechanical systems of a Combined Cycle Power Plant.

The role requires deep expertise in Gas Turbine, Steam Turbine, HRSG, Diverter Damper/Bypass Stack systems, rotating equipment, valves, and Balance of Plant (BOP), along with strong site leadership and cross-functional coordination.

The incumbent will also support overall site management in the absence of the Project Head, ensuring smooth execution and adherence to project timelines.

Owendo, being a relocation project site, the posting will be initially at the GVK site for a period of 6 months max, till completion of dismantling and transportation of Plant & later on the candidate has to relocate to the final location Gabon during construction of Plant , Installation, Erection & Commissioning.

However, the other two Projects, Port Gentil & Lambrane, being Simple cycle Plants, with bare minimum BOP equipment & less challenges during Erection & Commissioning phase, we will have the similar JD but with lesser experience , which I shall also share with HR.

2. KEY RESPONSIBILITIES

A. Erection & Installation

  • Lead and supervise erection of:
  • Gas Turbine & Generator mechanical systems
  • Steam Turbine & Generator mechanical systems
  • HRSG pressure parts and auxiliaries
  • Bypass Stack / Diverter Damper systems
  • Emergency DG sets
  • Ensure:
  • Alignment, leveling, grouting, and torqueing as per specifications
  • Compliance with approved drawings and OEM procedures

B. Rotating Equipment (Critical Scope)

  • Erection, alignment, testing, and commissioning of:
  • Boiler Feed Pumps (BFP)
  • Condensate Extraction Pumps (CEP)
  • Vacuum Pumps
  • Cooling Water Pumps (Main & Auxiliary)
  • Exposure to:
  • Vertical turbine pumps
  • Horizontal split casing pumps
  • Ring section pumps
  • Compressors:
  • Reciprocating compressors
  • Rotary compressors

C. HRSG & Steam System

  • Supervise erection and commissioning of:
  • HRSG modules and piping interfaces
  • Drum internals and associated equipment
  • Valve systems:
  • Steam, feedwater, condensate, compressed air, potable water
  • High-pressure valves and control valves

D. Valve Installation & Testing

  • Erection, inspection, and testing of:
  • Isolation valves
  • Control valves
  • Non-return valves
  • Safety valves:
  • Drum safety valves
  • Superheater safety valves
  • Relief valves across systems
  • Conduct:
  • Set pressure testing
  • Seat tightness testing

E. BOP Systems (Mechanical Scope)

Lead mechanical execution for:

  • DM Water Systems
  • Fire Water Systems (including fire pumps)
  • Cooling Water System
  • Compressed Air System
  • Potable Water System
  • HVAC systems

F. Pre-Commissioning Activities

  • Flushing and cleaning:
  • Oil flushing (lube oil systems)
  • Water flushing (DM/condensate systems)
  • Hydro testing and leak checks
  • Alignment verification and coupling checks
  • Rotation checks and trial runs

G. Commissioning

  • Lead commissioning of:
  • GT, ST, HRSG mechanical systems
  • Pumps, compressors, fans, and auxiliaries
  • Conduct:
  • Cold commissioning
  • Hot commissioning
  • Performance and reliability testing

H. Coordination & Interface Management

  • Coordinate with:
  • Civil, Electrical & C&I Leads
  • Piping Lead and erection teams
  • Ensure:
  • Interface readiness across disciplines
  • Clearance of interdependencies

I. Vendor & Contractor Management

  • Coordinate with OEMs:
  • GT, ST, HRSG, pumps, compressors
  • Supervise and control:
  • Multiple subcontractors
  • Ensure:
  • Quality of work
  • Adherence to schedule
  • Safety compliance

J. Site Leadership Role

  • Act as Site In-Charge in absence of Project Head
  • Responsible for:
  • Daily execution planning
  • Inter-department coordination
  • Issue resolution and escalation
  • Maintain:
  • Progress tracking and reporting

K. Quality & Documentation

  • Review and ensure:
  • Inspection reports
  • Test certificates
  • Alignment reports
  • As-built documentation
  • Ensure punch point identification and closure

L. Safety & Compliance

  • Enforce:
  • Permit to Work (PTW)
  • Lockout/Tagout (LOTO)
  • Ensure safe practices during:
  • Lifting, erection, testing, and commissioning
  • Compliance with:
  • Project HSE standards

3. REQUIRED SKILLS & COMPETENCIES

Technical Skills

  • Strong expertise in:
  • Rotating equipment (pumps, compressors)
  • Turbine systems (GT/ST)
  • HRSG and steam systems
  • Valve erection and testing
  • Knowledge of:
  • Alignment techniques (laser/dial)
  • Vibration analysis basics
  • Hydraulic and pneumatic systems

Functional Skills

  • Ability to interpret:
  • P&IDs
  • GA drawings
  • Isometric drawings
  • Strong troubleshooting capability
  • Project execution and planning skills

Behavioral Skills

  • Leadership and team management
  • Strong decision-making capability
  • Effective coordination across disciplines
  • High ownership and accountability

4. QUALIFICATIONS

  • Bachelor's Degree in Mechanical Engineering
  • 18–20 years of experience in Combined Cycle / Thermal Power Plant projects
  • Extensive experience in erection, testing & commissioning

5. DESIRED EXPERIENCE

  • Hands-on experience in:
  • GT/ST/HRSG commissioning
  • Large rotating equipment
  • High-pressure steam systems
  • Exposure to international standards (ASME / API / ISO) preferred

6. KEY PERFORMANCE INDICATORS (KPIs)

  • Timely completion of erection & commissioning milestones
  • First-time-right alignment & installation
  • Zero major rework incidents
  • Equipment reliability during trial runs
  • Safety performance (zero LTIs)

7. REPORTING STRUCTURE

  • Reports to: Project Head / Commissioning Manager
  • Leads:
  • Mechanical Engineers
  • Supervisors & Technicians
  • Subcontractor teams
  • Coordinates with:
  • Electrical, C&I, Civil, and OEM teams

8. WORK ENVIRONMENT

  • Site-based role with need based extended working hours during Erection Peak & commissioning
  • High-pressure execution environment with strict timelines
  • Strong focus on safety and coordination
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