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Senior Cost Estimation & Cost Control Expert


Job Location:

Muscat - Oman

Monthly Salary: Not provided by the employer
Experience Required: 8-5years
Posted: 14 October 2026 (10 days ago)
Application Deadline: 11 January 2027
Vacancies: 1 Vacancy

Job Summary

Key Responsibilities
Cost Estimation
  • Prepare stage-appropriate capital cost estimates (AACE Class 5 to Class 3 or equivalent) for renewable energy projects including EPC and OEM supply balance of plant grid
  • interconnection land development permitting owners costs insurance contingency and indirect costs each with a documented basis of estimate and accuracy range.
  • Develop cost baselines and budgets based on feasibility studies market benchmarks supplier quotations and engineering inputs and maintain them under formal change control once approved.
  • Collaborate with engineering procurement and construction teams to refine estimates and validate assumptions.
  • Maintain and update a cost database for benchmarking purposes across technologies and geographies tagged by estimate class date and source and feed actual out-turn costs and lessons learned back into it at project close-out.
  • Perform the cost evaluation of EPC OEM and supplier bids (scope leveling bid normalization and whole-life cost comparison) and support commercial negotiation by providing cost breakdowns and sensitivity analyses.
  • Build work breakdown and cost breakdown structures (WBS/CBS) validate quantities and unit rates from BOQs specifications drawings and supplier quotations and apply escalation and FX assumptions.
  • Prepare and maintain operating cost (OPEX) estimates for the financial model and tariff or bid submissions covering O&M and asset management insurance land lease grid and wheeling charges BESS augmentation and replacement and decommissioning.


Cost Control
  • Monitor project expenditures and commitments against approved budgets using cost control software or spreadsheets.
  • Track and analyze cost variances against the approved baseline identify risks or trends monitor contingency drawdown and recommend corrective actions.
  • Conduct monthly cost forecasting and cash flow projections in coordination with finance and project management.
  • Review and validate contractor and supplier invoices


Requirements

Qualifications and Experience
Education & Experience (Mandatory)

Bachelors degree in Engineering Quantity Surveying Construction Management or a related technical field; a Finance degree is acceptable only with equivalent hands-on technical estimating experience.
8 years of experience in cost estimation and control including at least 5 years on utility-scale power renewable energy or comparable infrastructure projects as developer/owner EPC
contractor or owners engineer.
Proven hands-on experience preparing estimates or controlling costs for utility-scale solar wind or hybrid projects (including BESS) from development through construction with at least one project followed from pre-financial-close estimate to construction out-turn cost.
Advanced proficiency in MS Excel (cost models sensitivity and scenario analysis) and working knowledge of project scheduling tools (e.g. Primavera P6 or MS Project).

Skills & Competencies (Mandatory)
Strong analytical and numerical skills demonstrated by building and auditing cost models with clear version control and traceable assumptions.
Deep understanding of CAPEX and OPEX cost structures for solar PV wind and BESS and of EPC multi-contract and OEM contracting models.
Ability to handle multiple concurrent projects and deadlines in parallel in line with internal controls delegation of authority and audit requirements.
Excellent reporting and communication skills for both technical and non-technical audiences.
Fluent written and spoken English.



Required Skills:

Bachelors degree in Engineering Quantity Surveying Construction Management or a related technical field; a Finance degree is acceptable only with equivalent hands-on technical estimating experience. 8 years of experience in cost estimation and control including at least 5 years on utility-scale power renewable energy or comparable infrastructure projects as developer/owner EPC contractor or owners engineer. Proven hands-on experience preparing estimates or controlling costs for utility-scale solar wind or hybrid projects (including BESS) from development through construction with at least one project followed from pre-financial-close estimate to construction out-turn cost.


Required Education:

Bachelors degree in Business Administration Engineering or related field