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Project Sustainability Lead

TSL • United Kingdom • Added on Aug 4, 2026
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The Project Sustainability Lead serves as the primary technical authority for on-site construction operations, ensuring that complex building projects adhere to rigorous environmental standards. You will translate high-level ESG goals into actionable site-level plans, overseeing the documentation and implementation of green building certifications. This is a hands-on leadership position that bridges the gap between corporate strategy and the practical realities of a busy construction site.

This role is vital because it directly mitigates the heavy environmental footprint of large-scale industrial construction in sectors like data centres and pharmaceuticals. By championing low-carbon construction and circularity on-site, you ensure that TSL’s “Build Beyond” strategy isn’t just a corporate statement, but a measurable reality reflected in BREEAM and LEED gold-standard facilities. Your work turns blueprints into sustainable infrastructure for the global digital economy.

This suits someone who possesses deep technical knowledge of building certifications and thrives in a fast-paced, site-based environment where they can influence subcontractors and engineers toward greener outcomes.

Job FAQs

What are the main missions and responsibilities of this role?

The core mission involves serving as the technical subject matter expert for sustainability across assigned construction projects. You will be responsible for navigating the complexities of BREEAM, LEED, and WELL certifications, ensuring that all necessary evidence is collected and tracked through an auditable compliance trail. Beyond certification, you will manage environmental documentation such as Construction Environment Management Plans (CEMP) and pollution incident response protocols. You are also tasked with reporting site-level ESG performance to project directors and the wider sustainability function, ensuring that internal KPIs and planning conditions are strictly met.

Key learning opportunities for this job

In this role, you will gain significant exposure to the fourth industrial revolution sectors, specifically learning the unique sustainability requirements of hyper-scale data centres and pharmaceutical hubs. This provides a niche expertise in high-tech, low-carbon construction that is highly valued in the current market. Candidates can expect to deepen their proficiency in Life Cycle Assessment (LCA) tools like OneClick and evolve their auditing skills within an ISO14001 framework. Working directly under the Head of ESG offers a mentorship path toward corporate sustainability strategy and European reporting standards.

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

The ideal candidate has at least five years of experience in the built environment, specifically providing environmental support on active construction sites. A degree in a relevant ESG or environmental discipline is essential, while being a BREEAM or LEED Accredited Professional (AP) will significantly elevate an application. Technical skills must be paired with strong data management capabilities, as the role requires processing large sets of emissions and performance metrics. You should be a clear, persuasive communicator capable of explaining technical environmental requirements to diverse stakeholders, from site laborers to executive clients.

Advice to stand out and make a successful application

To stand out, move beyond general sustainability knowledge and showcase a portfolio of successfully certified buildings you have influenced. Mentioning specific experience with BREEAM or LEED trackers and how you managed supply chain evidence collection will demonstrate your operational readiness. Since TSL emphasizes a family-focused culture and technical precision, your application should highlight both your collaborative interpersonal skills and your attention to detail in technical reporting. Demonstrating familiarity with 'Build Beyond' or similar corporate sustainability strategies will show you have done your homework on their specific mission.

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

The role focuses heavily on operational decarbonization and building performance. This includes reducing the embodied carbon of construction materials and ensuring that site waste management and pollution prevention are handled to a best-in-class standard. You will also play a key part in the social aspect of ESG by ensuring project-related planning conditions regarding community impact are met. This role is the physical manifestation of the company's carbon reduction targets, moving from theoretical targets to actual on-site implementation.

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

A major challenge is influencing the supply chain and project teams who may prioritize speed and cost over sustainability metrics. Ensuring that subcontractors provide timely and accurate evidence for certifications requires persistent follow-up and strong negotiation skills. Additionally, the technical nature of data centre construction means you must manage complex regulatory requirements across different jurisdictions while maintaining the rigorous standards of TSL's global 'Build Beyond' strategy. Balancing site visits with the intensive data reporting required for ESG compliance can also be demanding.

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

A typical day likely begins with on-site inspections to verify environmental compliance and discuss progress with site managers. You might transition into a mid-day meeting with consultants to review the BREEAM evidence tracker or troubleshoot a specific credit requirement that is at risk. Afternoons are often dedicated to technical reporting and data analysis, where you process site metrics for the monthly ESG performance report. You may also spend time conducting environmental training sessions for new site staff or coordinating with the Head of ESG to align local project activities with broader European reporting requirements.

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

There is a clear path toward strategic ESG leadership, potentially moving into an International Head of Sustainability or Regional ESG Director role as the company continues its global expansion. The high visibility of this role, reporting to Project Directors, puts you in an excellent position for vertical promotion. Furthermore, the opportunity to specialize in LCA and carbon modeling for technical facilities allows for lateral growth into specialized sustainability consulting or environmental design management within the construction industry.

The main stakeholders you might be interacting with

You will interact daily with Project Directors and site teams, serving as their go-to advisor for all environmental matters. Externally, you will be the primary point of contact for clients and sustainability consultants regarding project certifications. You will also collaborate closely with the supply chain partners to ensure compliance and with the internal Head of ESG to contribute to the company's overarching sustainability strategy and performance evaluation.

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