Technical Services Engineer - Wintel & Linux

About the role

Telefónica Tech, part of the Telefónica Group, is looking for a Technical Services Engineer to manage, maintain and support the infrastructure hosting responsibilities within a Healthcare Managed Service account. The role suits someone with data centre experience who can troubleshoot and replace parts in physical compute and storage, and who works independently while improving service quality.

Key responsibilities

• Design, implement and maintain infrastructure systems for internal operations and customer environments
• Monitor system performance and resolve issues before they escalate
• Respond to incidents and support requests promptly, prioritising customer and business impact
• Manage change control, including testing, risk assessment and rollback planning
• Maintain accurate documentation of systems, configurations and procedures
• Work with internal teams and customers to meet service level requirements
• Apply security best practices such as access control, patch management and data handling
• Take part in on-call rotations, incident response and post-incident reviews
• Share knowledge through documentation, mentoring and cross-training

Required profile

• Experience in data centres and fault finding and replacement of parts in physical compute and storage
• Legal right to work in Ireland
• Full driving licence
• Proximity to Dublin preferred to support on-site work

Required skills

• Linux-based operating systems
• Windows Server administration and troubleshooting (AD, DNS, DHCP, File Services, PKI, RDS)
• VMware vSphere
• Incident, problem and change management
• General networking (routing, firewall, wireless APs)
• Preferred: HPE compute/storage, SCCM, SQL Server, Veeam, event management