Freelance GHG Auditor (On‑Call) – Budapest, Hungary

About the role

Bureau Veritas is seeking an experienced Freelance GHG Auditor to join its on‑call audit team in Hungary. The contractor will perform independent greenhouse‑gas emissions audits and verifications for a variety of clients, ensuring compliance with international standards and local regulations. This flexible, project‑based role offers autonomy and the chance to work across multiple sectors.

Key responsibilities

• Perform GHG emissions audits in line with ISO 14064, GHG Protocol, EU ETS and related standards.
• Review and assess Scope 1, 2 and 3 emissions inventories, calculation methodologies and supporting documentation.
• Verify data quality, completeness and consistency, and evaluate monitoring controls.
• Conduct on‑site assessments, inspect monitoring equipment and interview client personnel.
• Identify non‑conformities, document findings and provide improvement recommendations.
• Prepare detailed verification reports and communicate results to clients.

Required profile

• Bachelor’s degree in Environmental Science, Engineering, Chemistry, Physics or related field, or equivalent experience.
• Valid GHG Lead Verifier or Lead Auditor certification (ISO 14064‑2, GHG Protocol or equivalent).
• 5–7 years of experience conducting GHG audits and emissions verifications.
• Proven experience with EU climate regulations (EU ETS, CBAM, CSRD) and international reporting frameworks.

Required skills

• Advanced knowledge of ISO 14064 and GHG Protocol standards.
• Proficiency with GHG calculation tools and sector‑specific calculators.
• Experience using audit management systems, GHG databases and documentation platforms.
• Strong competence in emissions data analysis, uncertainty assessment and quality assurance.
• Familiarity with lifecycle assessment (LCA) and carbon‑footprint methodologies.