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Environment and Sustainability Manager

CityFibre • United Kingdom • Added on Sep 17, 2026
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As the Environment and Sustainability Manager, you will translate high-level ESG strategy into tangible, measurable actions across a national digital infrastructure network. You will own the full lifecycle of sustainability data, from rigorous carbon accounting and emissions tracking to reporting insights that inform executive decision-making. By leading cross-functional projects, you will ensure that environmental priorities are integrated into every stage of the fibre rollout.

This role is critical because digital connectivity is the backbone of a low-carbon economy, and CityFibre aims to build this infrastructure with the smallest possible footprint. You will be the architect of the company’s decarbonisation roadmap, directly influencing how a major utility operator meets its Science Based Targets. Your work ensures that the digital leap forward for the UK does not come at an environmental cost.

This suits someone who is a data-driven sustainability professional with a talent for influencing stakeholders in engineering or construction-heavy environments. You should be equally comfortable with GHG Protocol technicalities and high-level strategic project management.

Job FAQs

What are the main missions and responsibilities of this role?

The core of this role involves operationalizing the ESG strategy by leading decarbonization and social value initiatives across the organization. You will be responsible for the end-to-end management of ESG data, ensuring that reporting for investors, shareholders, and senior leadership is both accurate and insightful. Beyond reporting, you will develop and maintain the sustainability roadmap, prioritizing specific projects that align with long-term goals. This includes identifying practical carbon reduction opportunities within the supply chain and construction processes to improve the company's overall environmental impact.

Key learning opportunities for this job

A successful candidate will gain deep experience in large-scale infrastructure sustainability, learning how to implement green initiatives within a rapidly expanding national network. You will likely develop advanced expertise in managing Science Based Targets (SBTi) and navigating complex emissions data management systems. There is also a significant opportunity to sharpen your cross-functional leadership skills. By working with departments like Build, Procurement, and Marketing, you will learn how to embed sustainability into diverse business functions that have traditionally focused on speed and cost efficiency.

How does the ideal candidate look like (experience, skills)?

The ideal candidate brings significant experience in ESG or sustainability roles, particularly within infrastructure, utilities, or construction. Technical proficiency in the GHG Protocol and carbon accounting is non-negotiable, as you will be the go-to expert for emissions data analysis. Soft skills are just as vital; you should be an excellent communicator capable of influencing senior stakeholders. Proficiency in data visualization tools and Excel is essential for turning complex datasets into persuasive narratives for the leadership team.

Advice to stand out and make a successful application

To stand out, move beyond generic passion for the environment and demonstrate a technical understanding of infrastructure footprints. Show that you understand the specific environmental challenges of laying fibre optic networks, such as street works impact and supply chain emissions. Your application should highlight your ability to bridge the gap between data analysis and business action. If you have previously managed SBTi commitments or led a project that resulted in a measurable carbon reduction in a physical industry, ensure that achievement is front and center.

What aspects of the company's sustainability is this role likely to focus on?

This role focuses heavily on decarbonisation and net-zero alignment. Given CityFibre's business model, you will likely spend significant time on Scope 3 emissions related to construction partners and hardware procurement. Social value is another key pillar, meaning you will look at how digital infrastructure benefits local communities. You will ensure the company's growth supports digital inclusion and economic strengthening while adhering to rigorous environmental governance standards.

What are the main challenges someone in this role might face?

One of the primary challenges will be influencing stakeholders whose primary KPIs are centered on the speed and scale of the network rollout. You will need to build strong cases for why sustainable methods are necessary and beneficial in the long term. Maintaining data integrity across a complex, multi-partner supply chain is another significant hurdle. You will need to establish robust reporting processes to ensure the insights you provide to investors are reliable and stand up to external scrutiny.

How could a typical day look like for someone in this position?

A typical day might begin with analyzing the latest emissions data from construction sites, followed by a meeting with the Head of ESG to refine the SBTi roadmap. You might then shift gears to work on the annual ESG report, ensuring all metrics are correctly captured. Afternoons could be spent in cross-functional workshops, perhaps advising the procurement team on green criteria for new suppliers or coordinating with the marketing team on how to communicate sustainability progress without greenwashing.

What are the opportunities for professional growth and development in this role?

This role offers high visibility within a fast-growing, high-stakes industry. As the company scales toward serving a third of the UK, the sustainability function will naturally expand, potentially leading to more senior strategic leadership positions. You will be at the forefront of ESG reporting evolution, gaining skills that are in high demand as regulatory requirements become more stringent. Success here establishes you as a leader in sustainable digital infrastructure.

The main stakeholders you might be interacting with

You will report to the Head of ESG and work closely with senior leadership to inform corporate strategy. On a day-to-day basis, your most frequent interactions will be with the Build and Procurement teams to implement carbon reduction initiatives. Externally, you will interact with investors and shareholders who demand high-quality ESG disclosures. You may also engage with industry bodies and regulatory agencies to ensure CityFibre remains a leader in sustainable telecommunications.

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