L3 Network Engineer

Company DescriptionTelefónica 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 everyday 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, Cyber Security & Networking.Values: Open, Bold, TrustedTrusted Partners:Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle PartnerHPE: Platinum Partner – FY23 UK&I Solution Provider of the YearFortinet: Elite VIP Program – one of only 2 in the UKPalo Alto & Crowdstrike: part of our NextDefense Cyber Security PortfolioJob DescriptionThe L3 Network Engineer will cover management, maintenance and support of network infrastructure, perimeter security systems and network management platforms.Key Responsibilities:Remote and onsite support (where required) of network and security infrastructure (LAN / WAN / WLAN / Firewalls / Application/VPN, Delivery Controllers etc.)Troubleshooting complex network issues, identifying network bottlenecks, and implementing solutions to ensure optimal network performanceOptimizing network infrastructure to ensure maximum performance and scalability.Maintain accurate network documentation, including network diagrams, configurations, and inventory recordsPrepare regular reports on network performance, availability, and securityDay-to-day patching, maintenance and operation of the above in secure environmentsContinual improvement of the systems based on changing demandsLiaising with various departments within the businessCoordinating with 3rd party suppliers and partners to support, maintain and implement these systemsIn addition to the above duties and responsibilities the post holder must be prepared to undertake such additional duties which may result from changing circumstances, but which may not of necessity change the general character or level of responsibility to the post.QualificationsSkills & Experience:Essential;Extensive experience of enterprise LAN/WAN/WLAN managementExtensive experience of Cisco, HPE, Aruba, Meraki and/or Juniper switching/wirelessExtensive experience of firewall technologies, particularly Fortinet, Cisco, Meraki and/or Palo AltoExtensive experience of network monitoring, troubleshooting and management toolsCCNP certificationDesirable;VMware NSX experienceFortinet certificationPalo Alto certificationInterpersonal Skills;Articulate and a clear communicatorBe a customer advocateHave the ability to converse technical terms and definitions to non-technical personnelExperience in report writingMeticulous with excellent attention to detailInterested in Continual Service ImprovementAble to multitask and handle large amounts of complex informationAdditional InformationMust have the right to live and work in the UK. Due to our location, access to own transport is essential.Must meet Security Clearance vetting requirements as this is a requirement of the role.Any offer would be conditional upon the successful candidate passing a full SC and NPPV3 vetting process.Key Words:Network Engineer - CCNP - Fortinet - Fortigate - Firewalls - Network Analyst - Networking - Cisco - Virtual Networking - Data Centre - Data Center - Palo Alto - Maraki - NSX - HPE - ArubaAt 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.