IT Project Manager

Cornerstone; Theale; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Bonus opportunity

Hybrid working

Private medical insurance

Cycle to work scheme

Electric car scheme

Retail discounts

Refer-a-friend programme

Pension and life insurance

30 days annual leave

Job summary

Cornerstone is seeking an IT Project Manager in the UK to lead the end-to-end delivery of strategic IT projects. You will define scope, objectives, and success criteria, and develop comprehensive plans while ensuring delivery on time and within budget.

In this role you will manage governance, risks, and stakeholder expectations, coordinating cross-functional teams and external partners to achieve successful outcomes. Hybrid working arrangements are available.

Qualifications

• Proven experience delivering complex IT projects in large, dynamic environments.
• Strong knowledge of PRINCE2 and SDLC lifecycle management.
• Excellent stakeholder and supplier management skills.

Responsibilities

• Lead end-to-end delivery of IT projects across the business.
• Define scope, objectives, deliverables and success criteria.
• Develop and maintain project plans; monitor timelines and budgets.
• Drive projects through initiation to delivery lifecycle.

Skills

PRINCE2

SDLC

Stakeholder management

Budget management

Vendor management

Cross-functional teams

Risk management

Job description

Our Vision and Mission

Our Vision: Continue to be the leading UK mobile infrastructure services company. Our Mission: To be famous for excellence in delivery, embracing transformation with our people and our customers at its heart. We are at an exciting time in our company’s development. We've come a long way since we were first formed in 2012. From the rollout of new technologies and managing complex legislation affecting the industry, we are leading the conversation on innovation and developing sharper solutions to serve our customers better. We collaborate as a team to meet the high standards expected of us and demand the best of ourselves through our values.

Why This Role Matters

Technology sits at the heart of business transformation, and this role plays a critical part in ensuring strategic IT initiatives are delivered successfully. As an IT Project Manager, you'll be responsible for driving the delivery of business-critical projects that support organisational objectives, improve operational efficiency, and enable future growth. Working within a complex technology environment, you'll ensure projects are delivered on time, within budget, and to the highest quality standards while managing stakeholder expectations and navigating changing business priorities.

What You'll Do

Lead Project Delivery

• Manage the end-to-end delivery of IT projects across the business.
• Define project scope, objectives, deliverables, and success criteria.
• Develop and maintain comprehensive project plans, ensuring projects remain on track.
• Monitor progress against timelines, budgets, and agreed outcomes.
• Drive projects through the full project lifecycle from initiation to delivery.

Manage Governance & Risk

• Establish appropriate project governance frameworks and controls.
• Identify, track, and manage project risks, issues, dependencies, and assumptions.
• Escalate challenges effectively and implement mitigation plans.
• Ensure all project activity aligns with agreed standards, processes, and business objectives.

Drive Stakeholder Engagement

• Build strong relationships with stakeholders across business and technical teams.
• Facilitate project meetings, workshops, steering groups, and governance forums.
• Manage stakeholder expectations and ensure key decisions are made in a timely manner.
• Communicate project progress, risks, and outcomes clearly and effectively.

Coordinate Resources & Delivery Teams

• Work with the Lead IT Project Manager to plan and prioritise project activity across the IT portfolio.
• Coordinate resources across multiple teams and functions.
• Lead matrix project teams consisting of internal specialists, suppliers, and external partners.
• Identify and resolve resource conflicts to support successful project delivery.

Manage Suppliers & Partners

• Oversee third-party suppliers involved in project delivery.
• Ensure supplier performance supports project objectives and timelines.
• Work collaboratively with external partners, shareholders, and internal teams to achieve successful outcomes.

What You'll Bring

Essential Experience

• Proven experience delivering complex IT projects within large and dynamic environments.
• Strong understanding of project management methodologies, including PRINCE2.
• Experience managing projects through the full Software Development Lifecycle (SDLC).
• Demonstrable experience managing project budgets, timelines, and resources.
• Strong stakeholder management skills with the ability to influence at all levels.
• Experience leading cross-functional or matrix-managed project teams.
• Proven ability to manage project risks, issues, and dependencies effectively.
• Experience working with and managing third-party suppliers and vendors.
• Track record of identifying and implementing process improvements.

Desirable Experience

• Experience managing large-scale business and technology transformation programmes.
• Telecommunications industry experience.
• Experience working within a mobile network or shared infrastructure environment.
• Exposure to complex enterprise technology landscapes.

In return, we offer:

• Competitive salary and bonus opportunity
• 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 cultivate an inclusive environment where every employee feels valued, respected, and empowered. By embracing unique perspectives and experiences, we drive innovation and drive our organisation forward, therefore, we recognise the importance of welcoming applications from candidates of all backgrounds. We want to ensure everyone is able to present their best self throughout the recruitment process so if you require any adjustments, please let us know.