Systems Engineers work with knowledge of specific infrastructure specialism, and responsible for the entire development and support process for that specialism. You’re responsible for delivering quality solutions for colleagues and customers alike, with the impact ranging from saving time, effort or money to re-defining normal. You have knowledge of latest technology trends, expertise & practical knowledge of the types of systems, infrastructure & applications used within Tesco. In this job, I Design and deliver network solutions using existing network infrastructure. Where new Network technologies are being introduced, implement them and establish best practice for their adoption. Resolve incidents and problems associated with the technical area of responsibility. Contribute to the Technology Roadmap for Tesco Network Services. Evaluate new tools and techniques being able to understand their value and impact. Lead group design discussions on my area of expertise and be able to present with authority to a variety of audiences. Collaborate with other technical teams to understand their requirements and assist them consuming Infrastructure in the most seamless way possible. Keep my technical skills up to date and keep track of new technologies, understanding how they might benefit the Technology team and wider Tesco. Introduce automation to all aspects of my day to day work Experience designing and deploying solutions for large, complex global organizations Analytical and structured approach to design, process and advanced troubleshooting Work with Architecture to produce and maintain high quality HLD/LLD and maintain standard documentation for area of responsibility. Well organized self-starter who takes personal ownership and accountability at required levels of the work stream and project life cycles; willing to go the extra mile at every opportunity Builds and maintains positive relationships within and across teams Communicates effectively, able to deliver and present both written and verbal, designs, strategies and concepts clearly. Take ownership, to keep up-to-date and embrace the latest industry technologies and associated supplier solutions. This role will best suit an individual who enjoys working as part of a team, is well organized, pragmatic and a lateral thinker with an inquisitive mind who is motivated to make change for the better and, most importantly, puts our customers first. Required Technology Skills Excellent/CCDP levels of practical experience in designing/building, operating large-scale, Multilayer Switching and Routing using current Arista/Juniper/Cisco equipment in a WAN and LAN environments, using technologies like Multicast, Port Channelling, MLAG, FHRP, GLBP, VRF, QoS Very good knowledge of Wide Area Networking technologies and protocols, such as MPLS, WAN Optimisation (Riverbed Steelhead or Cisco WAS), CoS, DWDM. Ideally, with experience of dealing with major Global Comms suppliers Excellent technical knowledge of ISO/OSI network model, troubleshooting and design. Routing Protocols (BGP, OSPF, IGRP), DNS, DHCP, IP Address Management and TCP/UDP Port RFC & IEEE 802-based standards Cisco/Arista switches deployed in Spine/Leaf topology Planning, designing and implementing Microsoft Azure & AWS solutions Drive architecture and technical discussion to lead cloud security, privacy, and compliance decisions, scale, performance, agility, HA/DR considerations Experience with CI/CD using Azure/AWS DevOps Experience with Azure/AWS Governance and Best Practices (Role Based Access Control, Networking Architectures, Cost Management controls, etc.) Develops technical roadmaps for future Azure cloud/AWS implementations Understands setting up Monitoring and diagnostics on Azure/AWS for a web application Desirable Technical Skills High levels of VPN experience along with associated technologies and protocols e.g. IPSec, Public/Private Key Encryption, TLS/SSL, digital cert techniques like ISA/KMP GRE and DMVPN High levels of Load balancing & Global/DNS balancing technologies and techniques, preferably F5 hardware and/or software appliances also Cisco ACE or Citrix NetScaler Good understanding of Internet/Web Technologies both hardware and cloud based, like CDN, Proxy/Caching, SSL Offloading/Interception, URL forwarding/re-direction from suppliers like Akamai, Bluecoat, Zscaler Good understanding of browser-based technologies and protocols like HTML, HTTP/HTTPS, and XML Good understanding of Network Management technologies and protocols like SNMP, NetFlow, IPSLA, along with practical experience of associated Network Management & Alerting Tools Proficient with data migrations utilizing Python, Powershell & Microsoft Solutions Knowledge of TCP/IP and enterprise network protocols (LDAP, DNS, SMTP, SNMP, DHCP, and authentication protocols) Strong experience in network troubleshooting and configuration (tcpdump, Wireshark, etc.) Good to have Microsoft Azure Architecture Expert Certification Educational Qualifications: Engineering / Science Graduate/Diploma Years of Experience: 10