Marston Holdings
Sustainability Manager
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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
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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
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Essentials & 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. We’re a company committed to diversity, equity, and inclusion, and we welcome applicants from all backgrounds. We focus on merit, passion, and potential, creating 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.
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.
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