Senior Project Manager - Transitions

Atos; Greater London; On-site; GBP 70,000 - 90,000; Full time

Benefits offered by this job

25 days paid leave + National Holidays

Pension Scheme - contributions matched

Private Medical Cover

Income Protection

Life Assurance

Flex Benefits Program

Job summary

Atos is seeking an experienced Project Manager to lead the delivery of complex projects, ensuring business outcomes within defined scope, budget, timescales, and quality standards. You will manage project teams, suppliers, and stakeholders, applying traditional and Agile delivery approaches while maintaining robust controls and commercial objectives.

You will oversee planning, governance, risk management, and change control, while driving continuous improvement and effective customer

Qualifications

• Proven ability to lead large, multi-disciplinary projects and programmes.
• Strong governance, risk, issue, and change-control management.

Responsibilities

• Lead large, multi-disciplinary project teams across locations and suppliers.
• Own project plans, mobilisation, go-live readiness, and successful delivery within scope, budget, and timelines.
• Manage stakeholders, communications, and governance forums with senior audiences.
• Ensure compliance with delivery methodologies and robust financial oversight.

Skills

Leadership

Stakeholder management

Project governance

Budget & financial mgmt

Communication

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 experienced Project Manager to 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 maintain SC 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

At Atos, we want everyone to feel confident and supported throughout the recruitment process. As a proud signatory of the Armed Forces Covenant, Employers Domestic Abuse Covenant (EDAC) and Care Leaver Covenant, we welcome applications from individuals from all backgrounds and life experiences.

As a Disability Confident Leader, we guarantee an interview to disabled applicants who meet the minimum essential criteria for the role. If you require any reasonable adjustments during the recruitment process, please let us know and we will ensure the appropriate support is in place.

We're here to help ensure you can participate fully and showcase your skills and experience.

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.