Cornerstone

About the Company

Welcome to Cornerstone, the leading UK mobile infrastructure services company. Everything we do has at its heart the experience of tens of millions of voice and data customers using the networks that depend on our infrastructure. Our expertise delivers connectivity solutions for today and the future.

We are at an exciting time in our company’s development as we deal with the rollout of new technologies, including 5G, while managing the complexity of new legislation affecting the industry, lead the conversation on innovation and develop sharper solutions to serve our customers better.

Working together as a team, developing effective and lasting relationships with our customers, suppliers, landlords, and the community drives us to meet the high standards expected of us and what we demand of ourselves.

We value our people and their contribution to our success. We are committed to providing a work environment that encourages development, recognises and rewards performance and offers a wide range of benefits. We attract and are always on the lookout for talented people to grow their career based from our head office in Theale, more recently from home. If this sounds like the sort of place where you want to work and contribute to delivering the future of UK mobile connectivity, please contact resourcing@ctil.co.uk

Listed Jobs

Company Name

Cornerstone

Job Title

Personal Assistant

Job Description

Job Title: Personal Assistant Role Summary: Provide dedicated executive support to two C‑Suite leaders, managing complex diaries, travel, meetings, confidential communications, and event logistics in a fast‑paced environment. Expactations: - Maintain highest confidentiality and professionalism. - Prioritise and execute tasks independently and proactively. - Coordinate seamlessly across internal and external stakeholders. Key Responsibilities: - Proactively manage dual calendars, scheduling meetings, travel, and appointments to optimise executives’ time. - Prepare agendas, take minutes, and track follow‑up action items for all meetings. - Draft and edit correspondence, reports, presentations, and other documentation. - Process expense reports and manage financial records for leadership activities. - Arrange complex travel itineraries (flights, accommodation, transfers) and coordinate travel logistics. - Organise corporate events, team off‑sites, client visits, conferences, and networking events. - Maintain secure document and records management system. - Serve as primary point of contact for internal and external inquiries, responding with discretion. - Collaborate with other administrative professionals to ensure alignment and coverage during absences. Required Skills: - Exceptional organisational and multitasking abilities. - Advanced diary and calendar management skills. - Strong written and verbal communication, with meticulous attention to detail. - Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint) and productivity tools. - Experience with expense management and financial documentation. - Event and travel coordination expertise. - High level of discretion and ability to handle sensitive information. - Proactive problem‑solving and independent working style. Required Education & Certifications: - Minimum of a secondary education qualification; bachelor’s degree or equivalent experience preferred. - Relevant certifications (e.g., Microsoft Office Specialist, Certified Administrative Professional) are advantageous.

Theale, United kingdom

Hybrid

09-02-2026

Company Name

Cornerstone

Job Title

Head of Governance and Compliance

Job Description

**Job Title** Head of Governance and Compliance **Role Summary** Lead the organisation’s governance and compliance function, acting as the Assistant Company Secretary. Drive board processes, governance documentation, and compliance strategy for data privacy, anti‑bribery, competition, and other regulatory frameworks. Provide strategic advice to senior leadership, develop governance tools, and shape a proactive risk culture. **Expectations** - Deliver accurate, timely board and committee material. - Maintain strong, compliant governance records and updates to senior leadership. - Foster robust stakeholder relationships, ensuring high-quality governance practice. - Lead continuous improvement of governance maturity and regulatory readiness. **Key Responsibilities** - Manage Board and committee processes: scheduling, agendas, minutes, decision tracking, and D&O insurance oversight. - Administer governance systems (e.g., Diligent, Resolver) and oversee data privacy registry. - Build and maintain relationships with shareholders, regulators, and governance platform providers. - Develop and deliver compliance training, policy updates, and frameworks for GDPR, competition law, anti‑bribery, and ECCTA. - Provide leadership, coaching, and support to two direct reports. - Advise senior leadership on legal and regulatory obligations, risk mitigation, and compliance strategy. - Deliver concise compliance updates to the Senior Leadership Team and Board. - Champion continuous improvement of governance and compliance processes. **Required Skills** - Proven board‑level engagement and governance expertise. - In‑depth knowledge of corporate governance, GDPR, competition law, anti‑bribery, and ECCTA. - Policy development, training design, and compliance monitoring. - Strong stakeholder management, communication, and negotiation. - Experience with digital governance tools (Diligent, Resolver). - Leadership ability: line management, team development, and autonomous decision‑making. - Analytical thinking, problem‑solving, and meticulous organisational skills. **Required Education & Certifications** - Degree in Law, Business, Compliance, or related field. - Professional certification preferred: Certified Corporate Governance Professional (CCGP), Certified Compliance & Ethics Professional (CCEP), or equivalent. - Familiarity with ISO compliance standards is an advantage.

Theale, United kingdom

Hybrid

10-02-2026