Senior Infrastructure System Engineer (VOIS)

## Who we are VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed in partnership with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. With our strategic partner Accenture, we work alongside our Vodafone customers, other Telco and tech companies to drive transformation, meet the challenges of our industry and ensure we stay relevant and resilient. This partnership is a unique, industry-first model which brings together the best of in-house and 3rd party capability. We work with customers across 28 countries from 10 VOIS locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal. #VOIS #BeUnrivalled #CreateTheFuture ## About this Role We are seeking an experienced Infrastructure System Engineer to manage and optimise Active Directory and Entra ID services within a large-scale enterprise environment. This role focuses on ensuring service reliability, resolving complex technical issues through root cause analysis, supporting project delivery, and driving continuous service improvements while collaborating with cross-functional teams and stakeholders. ## What you’ll do * Manage and oversee Office IT infrastructure services, particularly Active Directory and Entra ID environments. * Coordinate, assess, and implement change requests to ensure service stability and continuous improvement. * Investigate incidents, perform root cause analysis (RCA), and provide long-term solutions. * Act as a technical escalation point for service desks and specialist teams. * Monitor service performance, availability, and quality against agreed standards. * Contribute to project planning and execution, providing operational and technical assessments. * Develop scripts and automation solutions to enhance efficiency and reduce manual work. * Maintain and update technical documentation, operational guides, and user instructions. * Support capacity planning and reporting to ensure future scalability. * Drive Continuous Service Improvement (CSI) initiatives and support service review meetings. ## Who you are * Degree in Engineering, Computer Science, or a related field. * Proven experience working with Entra ID, including SSO integrations, conditional access, MFA, and modern authentication protocols. * Strong knowledge of Azure administration and Active Directory environments. * Experience in Windows Server environments and system integration. * Hands-on experience with PowerShell scripting and data reporting tools such as Power BI. * Familiarity with user lifecycle management and provisioning processes. * Understanding of ITIL practices and Agile methodologies. * Strong analytical and problem-solving capabilities with a structured approach to troubleshooting. * Effective communication and collaboration skills with the ability to engage stakeholders. * Ability to work in complex, high-availability environments with a focus on service quality. ## Not a perfect fit? Concerned you may not meet every requirement? Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best. ## What's in it for you * Opportunity to work within a global technology environment supporting critical infrastructure services. * Exposure to large-scale enterprise systems and modern identity...