SIAM Manager

Capgemini; United Kingdom; On-site; GBP 90,000 - 130,000; Full time

Job summary

Capgemini is seeking a SIAM Manager in the United Kingdom to lead the Service Integration and Management function across a multi-supplier environment. You will govern supplier performance, drive service integration and continual improvement, and manage governance forums with customers, suppliers, and internal teams.

The role involves overseeing service transitions, onboarding/offboarding, risk management, and alignment to contractual and business expectations, with a hybrid working model across

Qualifications

• Proven experience leading SIAM and service integration in complex multi-supplier environments.
• Strong knowledge of SIAM principles, ITIL practices, and governance frameworks.
• Experience establishing and improving SIAM operating models and service integration frameworks.
• Ability to drive supplier performance, service accountability, and continual service improvement, incl. KPIs and SLAs.

Responsibilities

• Oversee supplier governance and service performance across multiple providers.
• Lead end-to-end service integration and accountability in a multi-supplier ecosystem.
• Drive continual service improvement and adoption of new operating models.
• Chair governance forums and report on service performance to stakeholders.

Skills

SIAM leadership

ITIL knowledge

Governance

Stakeholder management

ServiceNow

Tools

ServiceNow

Job description

About the job you’re considering We are excited to announce an excellent opportunity to join our team as a SIAM Manager. In this role, you will be accountable for leading the Service Integration and Management (SIAM) function across our client ecosystem, ensuring the effective governance, integration, and performance of services delivered by multiple internal and external suppliers. As a SIAM Manager, you will lead the Service Integration and Management function across the multi-supplier environment, driving effective governance, supplier performance, service integration, and continual service improvement. You will work closely with customers, suppliers, ServiceNow stakeholders, and internal teams to establish strong collaborative relationships, ensure alignment to the SIAM operating model, and deliver consistent, business-focused service outcomes.

Hybrid working:

The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.

Your role

You will be responsible for overseeing supplier governance, managing service risks and dependencies, driving accountability across service providers, and ensuring that end-to-end services are delivered effectively, efficiently, and in line with contractual and business expectations. Through strong leadership and stakeholder engagement, you will champion service excellence and foster a culture of continuous improvement across the service ecosystem. Accountable for the overall Service Integration and Management (SIAM) function and operating model across the multi-supplier ecosystem. Lead supplier governance, service reviews, and performance management to ensure effective end-to-end service integration, delivery, and accountability. Drive collaboration and alignment across customers, suppliers, ServiceNow stakeholders, and internal teams. Lead governance forums and stakeholder engagement, ensuring transparency, informed decision-making, and effective service performance reporting. Drive continual service improvement, innovation, and opportunities to enhance service quality, value, and customer outcomes. Oversee service transitions, supplier onboarding and offboarding, compliance, service risks, escalations, cross-supplier dependencies, and adoption of new services and operating models. You can bring your whole self to work. At Capgemini building an inclusive future is part of everyday life and will be part of your working reality. We have built a representative and welcoming environment, for everyone.

Your skills and experience

• Proven experience in SIAM and Service Integration leadership roles within complex multi-supplier environments.
• Strong knowledge of SIAM principles, ITIL practices, service management processes, governance frameworks, and supplier integration models.
• Experience establishing and improving SIAM operating models, governance structures, and service integration frameworks.
• Proven ability to drive supplier performance, service accountability, and continual service improvement, including management of KPIs, SLAs, OLAs, XLAs, and service integration metrics.
• Strong stakeholder management, communication, negotiation, analytical, problem-solving, and risk management skills, with experience chairing governance forums and managing supplier relationships.
• Experience working with ServiceNow, supporting service transitions, supplier onboarding and offboarding, organisational change, governance compliance, and cross-functional service delivery.

We are a Disability Confident Employer

Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:Declare they have a disability, andMeet the minimum essential criteria for the role.Please opt in during the application process.

Your security clearance and pre-employment checks

If you are successfully offered this position, you will go through a series of pre-employment checks, including: identity, nationality (single or dual) or immigration status, employment history going back 3 continuous years, and unspent criminal record check (known as Disclosure and Barring Service)Some roles will also require an additional level of security clearance:Security Check (SC) Clearance:To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance.To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years, along with other criteria and requirements.Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality Some posts are restricted to sole UK Nationals for security reasons; therefore, you may be asked about your citizenship in the application process.

Make it real – what does it mean for you?

Flexibility to work your way

You will be encouraged to have a positive work-life balance. Our hybrid-first way of working means we embed hybrid working in all that we do and make flexible working arrangements the day-to-day reality for our people. All UK employees are eligible to request flexible working arrangements.

Your wellbeing

You’d be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions. To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.

Shape your path

You will be empowered to explore, innovate, and progress. You will benefit from Capgemini’s ‘learning for life’ mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard ManageMentor, Cybersecurity qualifications and much more.

Shared energy

You’ll be bringing your unique skills and perspectives to the team, inspiring and taking inspiration from your teammates as you unlock value in everything you do. You’ll be joining a professional community of experts, who have got your back and will support you, every step of the way.

Why should you consider Capgemini?

Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion. Makeit real|www.capgemini.com