Senior Network Engineer L3

Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities. We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market-leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany. The Telefónica Tech UK&I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Digital Workplace and Cyber Security & Networking. Values: Open, Bold, Trusted Trusted Partners: Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner HPE: Platinum Partner – FY23 UK&I Solution Provider of the Year Palo Alto & Crowdstrike: part of our NextDefense Cyber Security Portfolio Fortinet: Elite VIP Program – one of only 2 in the UK AWS: Advanced Solution & Managed Service Provider Program This role covers the implementation, management, maintenance and support of all network infrastructure, perimeter security systems and network management platforms and offers the chance to become the authority on these subjects Employees within this area are expected to work independently and use their own initiative. They perform the full range of duties required in providing solutions to our health customer base and will have advanced general troubleshooting skills. Employees at this level receive only occasional instruction or assistance as new or unusual situations arises and will be fully aware of operating procedures and policies. Employees will work as part of a mature managed service team delivering project and managed services work into our UK&I Enterprise Health managed service customers. Key Responsibilities: Ownership and accountability of the detailed engineering, scheduling, documentation and rollout for implementation projects Design and implementation of the network infrastructure. Liaison with customer, design authority and project manager to capture all user and system requirements in order to define the design requirements specification. Ensure that all projects are completed within deadlines and to the highest standards. Development and ownership of documentation Low-level design of network and security infrastructure (LAN / WAN / WLAN / Firewalls / Application Delivery Controllers etc.) Integration and handover of implemented systems to operational teams. Continual improvement of the systems based on changing demands. Liaising with various departments within the Enterprise Health business unit. Coordinating with 3rd party suppliers and partners to support, maintain and implement these systems. Integrity and control of business data Control and support of Internet access Ensuring business data is backed up and securely held off-site Datacentre and customer premises visits for hardware and software maintenance and installation 24/7 support cover Skills & Experience: Essential; Broad working knowledge of Datacentre network disciplines Broad technical knowledge of Network Technologies Excellent knowledge of LAN / WAN / WLAN management A good understanding of Firewalls A good understanding of IT Networks infrastructure The ability to work on own initiative and to address and resolve problems in a busy environment Able to resolve incidents in the Network environment used by the customer Good working knowledge of incident, problem and change management processes and procedures Demonstrable experience in troubleshooting techniques to determine root cause Working as part of a managed service ream delivering outsourced managed services ITIL process knowledge Desirable; Aruba certification Fortinet certification Must have the right to live and work in the UK. Due to our location, access to own transport is essential. Must meet Security Clearance requirements if this is a requirement of the role and any offer would be conditional upon the successful candidate passing BPSS which includes a criminal record check This role requires participation in 24/7 On-call, which operates on a rotational basis. Key Words: Network Engineer - CCNA - CCNP - Cisco - Networking - HPE - Aruba - LAN - WAN 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 (African and Caribbean heritage network), and Sustainability. We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for role, please get in touch.