Mechanical & Thermal Energy Engineer - LNG Combined Cycle Power Plant

JOB DESCRIPTION – ALIGNED VERSION

Position Title

Mechanical & Thermal Energy Engineer – LNG Combined Cycle Power Plant

Business Line

Energy & Projects / Power & Utilities

Reporting Line

Engineering Manager / Project Director / Technical Authority

Work Location

Office / Site / Project-based (as assigned)

Role Purpose (Aligned to Bureau Veritas, EPC, Owner-Operator)

The Mechanical & Thermal Energy Engineer provides independent technical engineering expertise and assurance across the full lifecycle of LNG-fired combined cycle thermal power plant projects—covering design review, conformity assessment, construction monitoring, commissioning, and performance verification.

The role ensures that all mechanical and thermal systems comply with:

• Applicable international codes and standards
• Bureau Veritas Quality Assurance System (QHSE, Ethics, Independence)
• EPC contract obligations
• Owner-Operator operational, reliability, and performance requirements

Key Responsibilities

1. Engineering & Technical Assurance

(BV Technical Authority + EPC Engineering alignment)

• Perform independent mechanical and thermal engineering review for LNG combined cycle power plants.
• Review and validate:
• Heat balance, mass & energy balance
• Thermal performance calculations
• Process design (PFDs, P&IDs)
• Mechanical equipment sizing and datasheets
• Provide subject matter expertise on:
• Heat Recovery Steam Generators (HRSG)
• Heat Exchangers (Shell & Tube, Plate, Air-Cooled, Condensers)
• Gas turbine and steam cycle interfaces
• Verify engineering deliverables against:
• EPC contractual scope
• Employer’s Requirements
• International standards and best practices

2. Codes, Standards & Compliance

(BV conformity assessment focus)

• Ensure compliance with applicable standards:
• ASME (Boiler & Pressure Vessel Code)
• TEMA
• API
• ISO / IEC
• Local regulatory requirements
• Participate as technical expert in:
• Design reviews
• Independent conformity assessments
• Owner’s Engineer activities
• Support HAZOP, HAZID, SIL, constructability and operability reviews from a mechanical/thermal perspective.

3. EPC & Vendor Interface

(EPC execution discipline)

• Review technical requisitions, bids, and vendor proposals.
• Conduct:
• Technical bid evaluations
• Vendor document reviews
• Design clarifications with OEMs and EPCs
• Participate in:
• FAT, SAT
• Factory inspections and witnessing
• Ensure vendors meet technical, quality, and contractual requirements.

4. Construction, Commissioning & Performance Verification

(Owner-Operator perspective)

• Provide site and remote technical support during:
• Equipment installation
• Pre-commissioning and commissioning
• Support:
• Performance testing
• Heat rate and efficiency verification
• Acceptance testing
• Identify non-conformities, deviations, and technical risks.
• Recommend corrective actions and performance improvement measures.

5. Operational Reliability & Optimization

(Asset lifecycle mindset)

• Support Owner-Operators with:
• Thermal system troubleshooting
• Performance deviation analysis
• Assess:
• Reliability, availability, efficiency (RAE)
• Long-term operational risks
• Provide technical recommendations on:
• Debottlenecking
• Efficiency enhancement
• Equipment life extension

Health, Safety, Quality & Ethics (Mandatory – BV Standard)

• Comply fully with:
• Bureau Veritas QHSE policies
• Codes of Ethics and compliance rules
• Promote a strong safety-first culture
• Maintain absolute technical independence, integrity, and impartiality.

Qualification & Experience Requirements

Education

• Bachelor’s degree in:
• Mechanical Engineering
• Thermal Engineering
• Energy Engineering
• Master’s degree is an advantage

Professional Experience

• Minimum 8–12 years of relevant experience in:
• LNG thermal power plants
• Combined Cycle Power Plants (CCPP)
• Demonstrated experience in:
• HRSG systems
• Heat exchangers design & performance
• EPC engineering and/or Owner’s Engineer role
• Prior experience in:
• Certification bodies
• Independent engineering consultancies
• EPC contractors or power utilities is highly preferred

Technical Competencies

• Strong fundamentals in:
• Thermodynamics
• Heat transfer
• Fluid mechanics
• Experience using:
• Aspen HYSYS / Aspen Plus
• Thermoflow / GT PRO
• HTRI / Aspen EDR
• AutoCAD, MS Office
• Ability to independently review and validate complex engineering calculations.

Soft Skills & Professional Behaviors

(Aligned to Bureau Veritas values)

• High ethical standards and professional integrity
• Strong analytical and judgment capability
• Effective communicator with clients, EPCs, and internal teams
• Structured, methodical, and detail-oriented
• Able to work autonomously and in multi-disciplinary teams

Language

• Fluent English (written and spoken)
• One additional language is an asset

Preferred Certifications (Advantage)

• Professional Engineer (PE) / Chartered Engineer (CEng)
• Certified Energy Manager (CEM)
• OEM or HRSG manufacturer certifications
• BV internal technical approval / authorization (if applicable)

✅ This JD is now:

• Bureau Veritas–compliant (independence, assurance, QHSE)
• EPC-execution aligned (engineering, vendor, FAT/SAT)
• Owner-Operator focused (performance, lifecycle, reliability)

If you want, I can next:

• 🔹 Convert this into a BV-style competency matrix
• 🔹 Create interview evaluation checklists
• 🔹 Tailor versions for Senior / Lead / Manager level
• 🔹 Align it to ISO 17020 / 17021 technical roles