A leading public sector environmental organisation in Wales is looking to appoint a Specialist Advisor - Air Quality to join its Evidence, Policy & Permitting directorate within the Air Quality and Noise Team. This is an excellent opportunity for an experienced air quality professional to take on a key advisory role, supporting national policy and regulatory decision-making through specialist modelling expertise. The Role As Specialist Advisor - Air Quality, you will provide expert technical support and guidance relating to air quality and noise modelling, helping to inform environmental regulation and Welsh Government policy. You will work closely with internal teams and stakeholders to ensure modelling approaches are robust, consistent, and aligned with agreed national standards. Key Responsibilities Provide specialist advice and guidance on air quality and noise modelling across Wales Use a variety of modelling software to assess impacts from industrial and commercial emissions, including health and environmental effects Act as a technical expert within the Air Quality and Noise team, supporting regulatory risk assessments Analyse and interpret complex environmental datasets and technical information Coordinate technical advice to ensure consistent decision-making across internal teams Communicate complex modelling outputs clearly to both technical and non-technical audiences Support the development of tools and procedures for data processing, interpretation, and reporting Work collaboratively with industry partners to assess and improve air quality Lead and project manage specific work areas, including oversight of budgets and delivery outcomes Mentor and support less experienced colleagues About You To be successful in this role, you will have: Substantial experience in air quality and noise modelling, particularly within a regulatory or impact assessment context Strong knowledge of air dispersion modelling and its application in environmental risk assessment Excellent analytical skills and the ability to interpret modelling outputs confidently Strong communication and stakeholder engagement skills Proven ability to work collaboratively as part of a specialist technical team Experience engaging with industry and external stakeholders on air quality matters A degree in a numerate subject (or significant numerate content) Whats On Offer Civil Service Pension Scheme offering employer contributions of 28.97% 28 days annual leave, rising to 33 days Generous leave entitlements for all your life needs Commitment to professional development Health and wellbeing benefits and support Weekly wellbeing hour to use as you choose To Apply To apply, please submit your up-to-date CV and cover letter using the STAR method detailing how you meet each requirement listed below: Have substantial previous experience in all aspects of air quality and noise modelling in regulatory impact assessment. (300 words) Be an expert in regulatory air quality and noise modelling. (300 words) Have good analytical skills and modelling results interpretation. (300 words) Be an excellent communicator, be able to demonstrate effective interpersonal skills and be a strong team worker. (300 words) Have a degree in a numerate subject or a degree with a significant amount of numerate content is essential. (300 words) If you wish to discuss before applying, please contact Hannah Welfoot at Yolk Recruitment directly. Please submit your CV and cover letter by midday Friday, 24th April 2026.