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Sustainability Graduate

Mercury Ireland Added on Jun 25, 2026
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This role places you at the heart of an eighteen-month structured programme, where you will actively support the implementation of Mercury’s ambitious sustainability strategy. You will take ownership of ESG data collection and benchmarking, ensuring the company remains a competitive leader in sustainable construction while assisting with high-level reporting for international frameworks.

The position is vital for translating corporate environmental goals into measurable construction outcomes. By managing responses to CDP and EcoVadis, you help validate the company’s commitment to decarbonization and responsible sourcing, directly impacting how the business secures major contracts with global technology and life sciences giants.

This suits someone who possesses a strong analytical mindset and a genuine passion for the built environment’s green transition. You should be a proactive communicator ready to navigate complex data sets and move between office-based strategy and site-specific sustainability requirements across Europe.

Job FAQs

What are the main missions and responsibilities of this role?

As a Sustainability Graduate, the primary mission is to support the "Our Planet, Our Duty" strategy, ensuring that sustainability is integrated across the business. This involves coordinating the collection and validation of ESG data, which is critical for compliance and transparency. You will be responsible for benchmarking the company’s performance against competitors and industry standards. Additionally, you will play a key role in drafting responses for major sustainability ratings like CDP and EcoVadis, while supporting the sales team with sustainability content for complex project tenders.

Key learning opportunities for this job

This role offers an immersive learning experience through a structured 18-month programme, providing exposure to CSRD and GRI reporting frameworks. You will gain deep insights into how large-scale construction projects manage their environmental footprint and social impact. In addition to technical ESG skills, the programme includes a strategic research project presented to senior management. This provides a unique opportunity to develop high-level business acumen and public speaking skills while being mentored by internal and external subject matter experts.

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

The ideal candidate holds a 2:1 Honours degree, preferably in a field related to environmental science, sustainability, or engineering. Strong organizational and interpersonal skills are essential, as the role requires coordinating data from various departments and external suppliers. While this is an entry-level position, a candidate who is solutions-driven and adaptable will thrive in the fast-paced construction sector. A background or interest in the construction trade is considered a significant advantage, as is a willingness to travel to different project locations across Europe.

Advice to stand out and make a successful application

To stand out, demonstrate a clear understanding of the construction industry's specific ESG challenges, such as embodied carbon and supply chain traceability. Researching Mercury’s current sustainability pillars will show initiative and alignment with their specific corporate terminology. Your application should highlight your ability to handle complex data and reporting. If you have experience with specific ESG frameworks or have completed projects involving data analysis, ensure these are front and center in your resume.

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

The role focuses heavily on corporate transparency and reporting compliance. You will work on aligning the company's activities with the Corporate Sustainability Reporting Directive (CSRD) and managing the environmental data required by hyperscale data center clients. There is also a strong emphasis on sustainable procurement. You will likely engage with suppliers to ensure their practices meet the company's ESG standards, facilitating a more sustainable construction ecosystem from materials to onsite execution.

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

One of the primary challenges is the decentralized nature of construction data. Collecting accurate information from various international sites and diverse supply chains requires persistence and high attention to detail. Furthermore, the fast-paced nature of the industry means sustainability goals must often be balanced with strict project timelines. You will need to build strong internal relationships to ensure sustainability remains a priority for project managers and technical teams on the ground.

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

A typical day might begin with a team meeting to discuss progress on ESG data collection for the annual sustainability report. You may then move to benchmarking industry trends to see how competitors are addressing carbon neutrality. Afternoons could involve collaborating with the sales and bidding teams to provide technical sustainability data for a new tender. The day might finish with work on your graduate research project, analyzing a strategic sustainability challenge facing the business.

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

Since 2009, over 300 graduates have progressed through this programme, with many moving into permanent leadership roles within Mercury. The exposure to senior management through the group project provides high visibility early in your career. Successful graduates can transition into specialized roles such as ESG Manager or Sustainability Lead for specific business units. The international nature of Mercury’s projects also opens doors for career development across different European markets.

The main stakeholders you might be interacting with

You will interact frequently with the Group Sustainability Team and senior leadership for strategic alignment. On a operational level, you will coordinate with project managers and site teams to gather performance data. Externally, you will engage with suppliers and subcontractors to drive ESG compliance. You will also indirectly support interactions with high-profile clients in the data center and life sciences sectors, providing the sustainability proof-points they require.

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