Telefonica Tech
Technical Services Engineer
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Technical Services Engineer – Enterprise Health (On-site, Primarily NHS Environment)
About the Role
At Telefónica Tech (part of the Telefónica Group), we are a leading NextGen Tech solutions provider with a global footprint, serving over 5.5 million customers across 175+ countries. Our UK&I hub specialises in Cloud, Data & AI, Enterprise Applications, Workplace Services, Cyber Security & Networking, delivering integrated technology solutions for digital transformation.
Our Technical Services Engineer role focuses on the day-to-day operational support of enterprise hosting platforms critical to a major healthcare environment. Operating as part of the Telefónica Tech Hosting Team, this hands-on technical role ensures the stability, security, and performance of a large-scale infrastructure estate, including:
- VMware virtualisation
- Windows Server platforms
- Active Directory & core components (DNS, DHCP, Certificate Services)
- Support for Citrix virtualisation
- Enterprise storage & backup platforms
- Application hosting services
This is an opportunity to develop broad enterprise platform expertise while contributing to the evolution of a critical NHS hosting environment.
Main Requirements: ✔ Primarily on-site at the customer location (minimum 4 days per week) ✔ Occasional travel to Telefónica Tech hubs for team meetings
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Responsibilities
The Technical Services Engineer will:
- Maintain high availability, reliability, and performance of enterprise-managed hosting environments supporting clinical and business services.
- Troubleshoot and resolve incidents across virtualised, Windows Server, and Active Directory environments.
- Perform routine maintenance, upgrades, and change management while adhering to an ITIL framework.
- Support virtualisation (VMware), Citrix virtual desktops, storage, and backup platforms.
- Assist in infrastructure automation and scripting to streamline operational efficiency.
- Work closely with internal and external stakeholders to ensure service alignment with business needs.
Requirements
Essential Experience
🔹 Proven experience supporting Windows Server in enterprise environments 🔹 Deep knowledge of Active Directory, DNS, DHCP, and network infrastructure 🔹 Experience in virtualised environments (VMware ESXi, ESX) 🔹 Strong troubleshooting skills for production-seeking stabilisation 🔹 Familiarity with ITIL processes (Incident, Problem, Change Management) 🔹 Managed services or shared hosting experience (minimum 2+ years) 🔹 Exposure to Citrix Virtual Apps/Desktop environments 🔹 Experience with enterprise backup (Commvault, Veritas/Veeam, etc.) 🔹 Understanding of enterprise storage (DAS, NAS, SAN, Hyperconverged) 🔹 Basic networking skills (routing, switching, firewall configurations)
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Desirable Qualifications & Certifications
📌 Technical VMware Certified Professional (VCP) Microsoft Infrastructure Certifications (MCSE, Azure Essentials, etc.) Citrix Certified Associate (CCA - Virtualization)
📌 Process-Aware ITIL Foundation Certificate
About Telefónica Tech
As a values-driven organisation, we uphold principles of Openness, Trust, and Boldness while promoting an inclusive workplace.
🌍 Diversity & Inclusion: Our initiatives—TogetHer (Women’s Network), Pride, Neurodiversity, ELEVATE, and more—help us foster a culture where everyone thrives.
💡 Fair Hiring: If you believe your experience aligns with the role’s intent—even if not a perfect match—we welcome your application.
📍 Department: Enterprise Health
Employment: Full-time (on-site hybrid, primarily NHS customer location)
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