Lead Assessor (ETS)

ERM; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

ERM is seeking a Lead Assessor for UK Emissions Trading Scheme (UK ETS) to oversee verification engagements with major energy-intensive industries. You will evaluate emissions reporting systems, provide expert guidance on regulatory requirements, and lead complex audits from planning to closure.

The role requires strong communication, stakeholder management, and a track record in carbon accounting and ISO standards.

Qualifications

• Formal auditing or verification experience in high-emission industries.
• In-depth knowledge of UK ETS regulations and carbon accounting principles.
• Experience applying ISO management standards in auditing contexts.

Responsibilities

• Lead UK ETS verification engagements from planning through reporting and closure.
• Evaluate emissions reporting systems, processes, and controls for accuracy.
• Prepare technical reports detailing findings, observations, and non-conformities.
• Provide expert guidance on UK ETS requirements and industry best practices.
• Collaborate with multidisciplinary teams to align verification activities with regulatory frameworks.
• Build trusted relationships with clients, regulators, and industry stakeholders.
• Support business development by identifying opportunities to expand ERM CVS's services.

Skills

Auditing leadership

UK ETS knowledge

Regulatory compliance

Stakeholder management

Report writing

Travel readiness

Education

Degree in Environmental Science or related

Tools

ISO 14001

ISO 45001

ISO 14064

ISO 17029

Job description

Lead Assessor, UK Emissions Trading Scheme (UK ETS)

Shape the Future of Climate Accountability Across High-Impact Industries

Are you an experienced auditor or verifier looking to take a leadership role at the forefront of carbon regulation and sustainability assurance? ERM Certification and Verification Services (CVS) is seeking a Lead Assessor - UK ETS to help some of the UK's most significant industrial organizations navigate complex emissions reporting requirements with confidence. This is an opportunity to combine technical expertise, client engagement, and strategic influence while supporting the transition to a lower-carbon economy.

Why This Role Matters?

As climate regulations continue to evolve, organizations operating in high-emission sectors face increasing pressure to demonstrate accurate, transparent, and compliant emissions reporting. As a Lead Assessor, you will play a critical role in ensuring the integrity of UK ETS verification processes, helping clients meet regulatory obligations while strengthening trust in environmental performance and sustainability outcomes.

Your expertise will directly contribute to credible emissions reporting practices across industries that are essential to the global energy transition.

What Your Impact Is:

• Lead UK ETS verification engagements for major organizations across Oil & Gas, manufacturing, mining, metals, and other energy-intensive sectors.
• Provide independent assurance that emissions data is accurate, transparent, and compliant with regulatory requirements.
• Influence client understanding of carbon management, emissions reporting, and verification best practices.
• Strengthen ERM CVS's reputation as a trusted partner in certification and verification services.
• Support the growth of UK ETS services by building strong client relationships and identifying new business opportunities.
• Contribute to the advancement of robust environmental governance and climate accountability across industry.

What You'll Bring:

Required

• Degree in Environmental Science, Engineering, Sustainability, or a related discipline, or equivalent industry experience.
• Proven experience auditing, assessing, or verifying management systems within high-emission industries.
• Strong sector expertise within Oil & Gas, heavy industry, manufacturing, mining, metals, or other energy-intensive operations.
• In-depth knowledge of UK ETS regulations, carbon accounting principles, emissions monitoring, and reporting methodologies.
• Working knowledge of ISO management standards, including ISO 14001, ISO 45001, ISO 50001, and ISO 9001, with practical auditing application.
• Understanding of verification frameworks including ISO 17029 and ISO 14064.
• Demonstrated ability to lead complex audits, assessments, and verification activities.
• Exceptional communication, stakeholder management, and report-writing skills.
• Ability and willingness to travel throughout the UK, offshore locations, and internationally, up to 75%.

Preferred

• Lead Auditor or equivalent auditing qualifications.
• Previous experience delivering UK ETS verification services.
• Experience working within certification, assurance, compliance, or regulatory environments.
• Business development experience, including identifying opportunities and supporting service growth.
• Strong presentation and facilitation skills with the ability to communicate technical findings to diverse audiences.

Key Responsibilities:

• Conduct UK ETS verification assessments, validating emissions data and regulatory compliance across energy-intensive industries.
• Lead audit and verification engagements from planning through reporting and closure.
• Evaluate emissions reporting systems, processes, and controls to ensure data accuracy and integrity.
• Prepare comprehensive technical reports detailing findings, observations, and non-conformities.
• Provide clients with expert guidance on UK ETS requirements, compliance expectations, and industry best practices.
• Collaborate with multidisciplinary teams to align verification activities with certification and regulatory frameworks.
• Build trusted relationships with clients, regulators, and industry stakeholders.
• Support business development initiatives by identifying opportunities to expand ERM CVS's verification and assurance services.
• Maintain technical expertise in emerging regulatory developments and evolving carbon market requirements.

Join ERM and help build confidence in the environmental data that drives better business decisions, regulatory compliance, and meaningful climate action.

ERM is committed to creating an inclusive workplace where everyone feels valued, respected, and empowered to thrive, it’s an essential part of what makes ERM a great place to build a career and helps us create better solutions for our clients.

We welcome talent from all backgrounds and provide equal opportunities for every candidate. If you have a disability, are neurodivergent, or need accommodations during the selection process, we’re here to support you. Our commitment doesn’t stop at hiring. Once you join us, we’ll ensure you have the tools, support, and adjustments needed to succeed and feel a true sense of belonging. Learn more about our Diversity, Inclusion & Belonging (DIB) efforts by visiting our website or exploring our 2026 Sustainability Report.