Lead Portfolio Asset Manager

Vision: To be the UK's leading digital infrastructure partner, enabling a fully connected future.

Mission: Deliver reliable, high-quality site access, infrastructure and services that support our customers' evolving connectivity needs.

About Us

For almost two decades, Cornerstone's infrastructure has quietly supported the UK's mobile networks. Whilst we continue to strengthen that foundation and extend its reach, we're in an exciting period of acceleration and product development that will see us enable more connectivity and compute to more communities and industries across the UK.

We're looking for a Lead Portfolio Asset Manager to lead our portfolio management team and take ownership of some of Cornerstone's most strategically important estate relationships.

Working with major infrastructure partners including rail, transport, utilities, local authorities and airports, you'll drive commercial performance, unlock growth opportunities and ensure our portfolio agreements support long-term business success. You'll also act as the senior escalation point for complex commercial and property matters while providing strategic insight and leadership across the business.

Why This Role Matters

Our ability to deliver and grow depends on strong portfolio partnerships and commercially effective agreements. This role sits at the heart of that challenge.

You'll lead a team focused on protecting and optimising key estate relationships, driving value creation, managing risk and identifying new opportunities that support asset growth and customer outcomes. Your leadership will directly influence portfolio performance, business efficiency and future growth.

What You'll Do ✨

• 👥 Lead, coach and develop a team of Portfolio Managers.
• 🤝 Own strategic relationships with major portfolio providers and infrastructure partners.
• 📝 Lead negotiations on portfolio frameworks, commercial agreements and Code agreements.
• 💡 Identify and develop new commercial opportunities with New Business teams.
• 📈 Drive portfolio performance, value creation and cost optimisation.
• 🚨 Act as the senior escalation point for complex commercial and property issues.
• 📊 Deliver reporting, forecasts and recommendations to SLT and governance forums.
• 🏗️ Oversee renewals, acquisitions, upgrades, disposals and key property transactions.
• ⚙️ Improve governance, reporting and operational processes.
• 🛡️ Manage risks, issues and compliance across priority portfolios.

What You'll Bring

• Proven leadership experience managing and developing high-performing teams.
• Strong commercial negotiation and stakeholder management skills.
• Experience managing complex property, portfolio or asset management activities.
• Demonstrable success identifying and delivering commercial growth opportunities.
• Strong financial and commercial acumen, including P&L awareness.
• Excellent communication and influencing skills, including experience presenting to senior stakeholders.
• Experience managing third-party suppliers and working within complex environments.
• Degree qualification in Property, Estates, Land Management or equivalent experience.
• Knowledge of the Electronic Communications Code and Landlord & Tenant legislation.
• Telecoms, infrastructure or portfolio management experience preferred.

In Return, We Offer

🌟 Competitive salary

🏖️ 30 days annual leave

💰 Competitive pension scheme and life insurance

🏠 Hybrid working (3 days per week in Theale)

🏥 Private medical insurance including dental and optical cover

🚲 Cycle to Work scheme

⚡ Electric Car scheme

🛍️ Retail and lifestyle discounts

🤝 Refer-a-friend programme

Our commitment to Equity, Diversity and Inclusion (EDI) is fundamental to our success. We strive to create an environment where everyone feels valued, respected and empowered to thrive.

If you require any adjustments throughout the recruitment process, please let us know.

If this role sounds like your next challenge, we'd love to hear from you. Please apply with an up-to-date copy of your CV.