OPEX Manager

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Date: Apr 13, 2026

Location: Taiwan

Company: synera

OPEX Manager

Reporting Line

The OPEX Manager reports to the Head of O&M

About the Role

The OPEX Manager is responsible to prepare the detailed OPEX forecast of the project(s) and for defining all O&M related costs from pre-operational CAPEX costs through to the OPEX estimate for the operational lifetime, aligned with the O&M strategy.

The OPEX Manager provides robust challenge and scrutiny on O&M planning and O&M strategic assumptions and will maintain close interfaces to finance and commercial teams, providing relevant high-quality analysis on O&M activities to support effective commercial decision-making. This will include the preparation of OPEX models,life cycle cost estimates, evaluation of operational risks and opportunities, lifetime extensions and the definition of the project’s availability profile.

 

Key Responsibilities

  • Accountable for adequacy and accuracy of all Project OPEX models, including oversight of third-party models, and representing the balanced long-term interests of all shareholders considering risk and optimisation.
  • Accountable for accurate and consistent preparation of costs associated with operations and maintenance activities.
  • Responsible for ensuring that the cost profile is aligned with the O&M strategy
  • Responsible for ensuring OPEX standardization across the project portfolio
  • Accountable for preparation and updating the OPEX assumption book (OPEX fact book)
  • Accountable for coordinating pricing inputs from relevant stakeholders to support the OPEX assumption book (e.g. procurement, development, insurance, etc.).
  • Accountable for providing OPEX (and O&M CAPEX) inputs to the financial teams in a clear and accurate format and ensuring the O&M cost impacts are communicated.
  • Responsible for preparation of OPEX approval packs, assumption books, information sheets, memos and other similar documents.
  • Focal point for cost and risk evaluation associated with all O&M related contracts, providing modelling expertise to support O&M contract negotiations and evaluate any commercial impacts of the EPCI or operations contracts over the operational life. 
  • Accountable for coordination and response of all OPEX related queries from lenders, shareholders, technical advisors and other third parties.
  • Responsible for implementing modelling and governance of the OPEX estimates in line with project(s) commercial and financial guidance and the project management system.
  • Responsible for developing the O&M CAPEX profile, including the WTG service ramp-up aligned with the project(s) commissioning plan and the O&M facilities (not responsible for preparation of revenue estimates)
  • Responsible for development of O&M cost reduction/efficiency curves over the operational life and preparation of supporting information sheets.

 

Qualifications & Key Skills

 

Essential

  • Business University Degree (Economics, Commerce, or Finance) or related field
  • Master of Finance, CFA, CPA, MBA or other advanced designation considered an asset.
  • 5+ years relevant work experience in the field of lifetime cost modeling, budget forecasting within the offshore wind industry, large-scale infrastructure development projects, or similar
  • Preferably with experience in power and renewables, energy industry, or infrastructure
  • Strong problem-solving skills to gather, assemble, consolidate and analyse facts, draw conclusions and create solutions
  • Highly proficient in Excel and PowerPoint, enjoy working with large financial models, and have an open mind towards change and more advanced reporting and modelling
  • Proven ability to think strategically and provide the business with concise analysis and recommendations
  • Excellent coordination and cooperation skills; a team player who is willing and able to work effectively with a diverse range of internal and external stakeholders to solve problems and share knowledge
  • Experience with reporting to international shareholders
  • Ability to prioritise effectively, excellent organizational and administrative ability

 

Language Skills

Fluent in English (CEFR Level C1 as minimum)

 

 

 

 

 

 

 

 

 

 

 

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