Technical Services Engineer - Wintel & Linux

This role covers the management, maintenance and support of all Infrastructure Hosting responsibilities within a Healthcare Managed Service account. The successful candidate will have experience in working within Data Centres, an ability to fault find and replace parts within physical compute and storage. Good working knowledge of VMware and Windows Server Operating Systems including File Services, PKI, AD, DNS and DHCP with good general troubleshooting skills.   While employees at this level will receive instruction or assistance in technical areas as required to extend and grow their experience, they will be expected to work independently, use their own initiative, whilst driving continuous service improvements with the Infrastructure Hosting estate. Main Duties and Responsibilities: Design, implement, and maintain infrastructure systems supporting both internal operations and customer environments Monitor system performance and proactively identify and resolve potential issues before they escalate Respond to incidents and support requests in a timely and professional manner, prioritising customer and business impact Manage change control processes for infrastructure updates, including testing, risk assessment, and rollback planning Maintain accurate, up-to-date documentation of systems, configurations, and procedures Collaborate with internal teams and customer stakeholders to ensure infrastructure meets operational and service level requirements Apply security best practices, including access control, patch management, and data handling protocols Participate in on-call rotations and incident response as required Contribute to post-incident reviews and continuous improvement initiatives Support knowledge-sharing within the team through documentation, mentoring, and cross-training Skills and qualities required: Good working Linux based Operating System Good working knowledge of Microsoft Server / Datacentre / Compute / Storage solutions Good working knowledge with regards to the administration and troubleshooting of the following Microsoft technologies (AD, DNS, DHCP, RDS, File Services, Certificate Services, Server Administration 2012, 2016,2019 and 2022) Knowledge of VMware vSphere Good working knowledge of incident, problem and change management processes and procedures Demonstrable experience in troubleshooting techniques to determine root cause A working knowledge of general networking (e.g. routing, firewall, wireless AP) Skills and qualities desired: An understanding of HPE compute / storage An understanding of Microsoft SCCM An understanding of VMware and virtualised environments An understanding of SQL Server An understanding of Veeam Backup Technologies An understanding of Microsoft SCCM An understanding of Enterprise/Event Management   All applicants must possess the legal right to work in Ireland. Due to job requirements, you will need a full driving licence. It is preferred if the successful candidate is within reach of Dublin to support on-site work as required   At Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves.  We celebrate and respect our differences because diversity drives innovation and makes us stronger.   Be yourself with us, and feel that you belong.  We welcome applicants from all backgrounds and identities regardless of age, disability, gender reassignment, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex, and sexual orientation.    We are also committed to equity, accessible hiring practices, and creating an inclusive culture through many means including TogetHer (Women's network) and our Employee Resource Groups which include Diversity and Inclusion, Telefónica Tech Pride, Neurodiversity, ELEVATE