Senior Project Manager - Transitions

Atos SE; Greater London; On-site; GBP 55,000 - 90,000; Full time

Benefits offered by this job

25 days paid leave

Pension scheme

Private medical cover

Income protection

Life assurance

Flex benefits program

Job summary

Atos is recruiting an experienced Project Manager to lead the delivery of large, multi-disciplinary IT projects for clients in the UK. You will own governance, schedules, budgets and risk, balancing commercial and technical delivery across multiple locations.

Working with suppliers and customers, you will apply traditional and Agile approaches, maintain strong stakeholder relationships, and ensure successful handovers, go-lives and measurable outcomes for our diverse projects.

Qualifications

• Proven experience delivering large projects or small programmes/portfolios.
• Experience managing multidisciplinary teams, suppliers and stakeholders across locations.
• Strong governance, risk, issue, and change control capabilities.
• Ability to communicate with senior stakeholders and lead governance forums.
• Eligible to obtain SC Clearance and willingness to be fully mobile.

Responsibilities

• Lead and deliver large multi-disciplinary project teams across locations.
• Own and manage project plans, mobilisation, and go-live readiness.
• Ensure delivery within scope, budgets, and quality standards.
• Manage budgets, forecasts, and profitability.
• Maintain stakeholder relationships and communicate complex information.

Skills

Large projects

Governance

Risk management

Change control

Leadership

Communication

Stakeholder management

Commercial/financial management

Job description

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Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.
A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.

About the Practice

At Atos, our Project and Programme Delivery Practice helps organisations deliver complex business and technology transformation initiatives that create measurable value. Our teams work across a wide range of industries, partnering with customers to deliver projects that improve business performance, modernise technology landscapes, and support strategic objectives.

Combining delivery excellence with strong commercial focus, our Project Managers lead multidisciplinary teams to successfully deliver projects while balancing customer expectations, quality standards, budgets, and timelines.

Where Purpose Meets Career

• Lead high-profile business and technology transformation projects with significant organisational impact.
• Work across diverse customer environments, technologies, and delivery models while developing your leadership capability.
• Join a collaborative and supportive organisation that invests in professional growth, innovation, and continuous improvement.

About the Role

• We are seeking an experiencedProject Managerto lead the successful delivery of complex projects, ensuring agreed business outcomes are achieved within defined scope, budget, timescales, and quality standards.
• You will take full responsibility for the definition, planning, governance, execution, and successful completion of projects that may have significant business impact, high-profile stakeholder engagement, and complex dependencies. The role requires a proven ability to apply both traditional and Agile delivery approaches while maintaining robust project controls, governance, risk management, change management, and financial oversight.
• You will manage project teams, customers, suppliers, and stakeholders, ensuring effective delivery while supporting Atos' commercial objectives and maintaining strong customer relationships.

Key Responsibilities

• Lead and deliver large, multi-disciplinary project teams or small transition programmes across multiple locations and supplier organisations.
• Own and manage Project, Programme or Transition Plans, including mobilisation, knowledge transfer, exit, and go‑live readiness, ensuring all activities support an operationally safe service transfer.

Project Organisation & Governance

• Plan, manage, and control projects with internal and external dependencies.
• Manage project scope, schedules, milestones, deliverables, and baseline plans.
• Monitor budgets, costs, revenue, margins, and project financial performance.
• Manage risks, issues, assumptions, and dependencies while implementing appropriate mitigation actions.
• Ensure successful handover and acceptance of project deliverables, including service acceptance activities.

Delivery Management

• Confirm project requirements and scope with stakeholders.
• Ensure compliance with agreed delivery methodologies, standards, and governance controls.
• Maintain effective configuration and change management throughout the project lifecycle.
• Identify and implement process improvements to enhance project effectiveness and customer outcomes.

Stakeholder & Relationship Management

• Build and maintain strong relationships with customers, suppliers, and internal stakeholders.
• Manage stakeholder expectations and proactively seek customer feedback.
• Facilitate discussions, negotiate outcomes, and resolve conflicts where required.
• Communicate complex information effectively to a range of audiences, including senior stakeholders and project teams.
• Lead presentations, reviews, and governance forums with confidence and credibility.
• Manage project budgets, forecasts, financial performance, and profitability.
• Identify and address delivery, commercial, contractual, and operational risks.
• Manage end-to-end change control processes, including impact assessments covering cost, margin, schedule, quality, risk, and resource implications.
• Work closely with Account Managers to maintain strong customer relationships while supporting Atos' commercial interests.
• Support the delivery of projects involving diverse technologies, suppliers, and commercial arrangements.

Skills We Can't Do Without

• Proven experience delivering large projects or small programmes / portfolios with values typically ranging between £4M and £8M with teams of up to 50 people
• Strong project planning, governance, risk management, issue management, and change control experience.
• Experience managing multidisciplinary teams, suppliers, and stakeholders across multiple locations.
• Strong commercial and financial management capability.
• Excellent communication, stakeholder engagement, negotiation, and leadership skills.

Skills We'd Like

• Experience delivering technology transformation or migration projects.
• Experience delivering transition programmes, involving multiple suppliers or complex environments.
• Experience and professional certification in Traditional or Agile project delivery methodologies.

Additional Requirements

• Candidates must be eligible to obtain and maintainSC Clearance.
• Must be fully mobile in terms of assignment location.
• Travel and on-site attendance may be required depending on project and customer requirements.
• 25 days paid leave + National Holidays
• Pension Scheme – contributions matched up to 10%
• Private Medical Cover
• Income Protection
• Life Assurance
• Flex Benefits Program

As a Disability Confident employer, we encourage applications from all applicants, especially differently abled applicants. We aim to ensure that those who meet the minimum criteria for this position will be offered an interview. We are committed to making reasonable adjustments to the application and assessment process to accommodate your needs.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.