Sustainability manager

Marston Holdings is a leading provider of technology enabled services to both the public and private sectors. We are looking for a passionate and experienced Sustainability Manager to lead and deliver our sustainability strategy. This is an exciting opportunity to shape environmental and social impact across our organisation while ensuring best-in-class reporting, compliance, and stakeholder engagement. As a key subject matter expert, you will work cross-functionally to drive sustainability initiatives, support operational teams, and ensure alignment with regulatory and client requirements. Key Responsibilities: Act as a sustainability expert internally and externally, driving continuous improvement of sustainability initiatives Lead the development and delivery of sustainability strategies aligned with organisational goals Manage and develop a direct report Oversee statutory and regulatory reporting (e.g., SECR, ESOS ) ensuring accuracy and timeliness Coordinate ESG disclosures for investors, lenders, and stakeholders Maintain environmental and ESG policies, ensuring they remain up to date Support operational teams in achieving GHG reduction and net zero targets Track, analyse and improve key environmental metrics including waste and recycling Collate and analyse ESG data to inform decision-making and reporting Engagement & Collaboration Drive colleague engagement initiatives such as the Green Team Support marketing, tenders, and new business opportunities with sustainability input Build strong relationships with clients, regulators, and accreditation bodies Accreditations & Standards Maintain and develop key accreditations including: Pledge to Net Zero UN Global Compact Science Based Targets initiative (SBTi) What We’re Looking For Strong leadership, influencing and communication skills Highly organised with the ability to manage multiple priorities A collaborative team player with a strategic mindset A self-starter who can challenge and drive improvement Essential Skills & Experience Minimum 3 years’ experience in a sustainability role within a commercial organisation Strong understanding of sustainability, decarbonisation , and environmental challenges Experience managing large datasets and producing reports (Excel or specialist tools) Proven ability to deliver projects and meet fixed deadlines Experience working with external stakeholders (clients, regulators, etc.) Excellent communication and stakeholder engagement skills Relevant qualification (e.g., IEMA, NEBOSH, or equivalent ) or demonstrable experience Full UK driving licence Additional Information UK-wide travel required, including occasional overnight stays Role subject to DBS and background checks Commitment to data protection, information security, and company policies is essential What You’ll Get in Return 25 days holiday plus bank holidays Enhanced Maternity & Paternity packages Health cash plan & pension scheme Access to exclusive employee benefits, including discounts on retail, travel, and wellbeing services Why Join Marston Holdings? Marston Holdings Ltd consists of nine specialist entities that deliver integrated technology-enabled solutions to government, utilities, and private sectors. From design and implementation to management and recovery, we’re a company committed to diversity, equity, and inclusion. We welcome applicants from all backgrounds and focus on merit, passion, and potential to create a supportive and inclusive environment for all employees. Ready to make an impact and grow with us? We’d love to hear from you — apply today and let’s build something great together. Please note: All successful applicants will be subject to a DBS check. Employees are required to inform the company of any changes to their personal circumstances.