Senior Network Engineer - SD WAN - Outside IR35

Investigo's major financial services client is currently seeking an experienced Senior Network Engineer. The Senior Network Engineer has a strong technical background in multiple engineering disciplines. This position will interface closely with a tight-knit team of engineers across a broad range of technical areas that provide managed services to internal global customers. As a technical subject matter expert, you will review existing and implement new solutions to meet business objectives. The Network Engineer manages network devices through the entire product lifecycle. This role will configure and maintain network services to ensure high levels of performance, availability, and security. The incumbent will build and deploy new hardware, configure and manage Firewalls, Switches, Routers, and Routing Protocols on-premises and in the cloud. The incumbent will act as an internal team escalation point for systems requests and issues. Travel up to 25% maybe be required based on project needs mainly within the UK but also in Europe.

Responsibilities

• Ensures the highest levels of systems and infrastructure availability through best practices design and implementation
• Enforces system configuration standards through documentation and automation for lower-level support teams
• Translates high-level design documentation into low-level system design for implementation
• Performs advanced technical analysis and recommends IT systems purchases and upgrades as needed
• Provides project coordination and writes documentation for technology implementations
• Tracks issues and business requests, and researches broad-based solutions and new features that meet user needs
• Provides third level technical support of core systems and business applications; often requires management/coordination of outside vendors and internal subject matter experts
• Investigates & diagnoses problems in assigned trouble tickets, as well as identifies and implements solutions
• Communicates resolution back to team members and business users
• Writes scripts/programs to automate builds, network deployments, patching and maintenance, configuration updates, access provisioning, and other system administration functions

Key Skills

• 8+ years of related Data Centre and Enterprise LAN/WAN Environments
• Enterprise Circuit knowledge (Ethernet, SIP, and MPLS)
• Cisco Routers, Switches, Wireless Controllers, Access Points
• SD-WAN (Pref. Silver Peak)
• Ethernet, IP routing and redundancy protocols including CoS, VLANS, SVI, HSRP/VRRP/MLAG, STP, 80
• 1W, TACACS, NAC, QoS and policy-based routing, BGP, EIGRP, OSPF, PBR, route redistribution, multicast audio over IP networks
• Ethernet, MPLS, bandwidth optimisation and other WAN related troubleshooting with monitoring tools (WireShark, PRTG, Solarwinds Orion NCM or equivalent SNMP and NetFlow Servers, Cisco Prime, Kiwi Syslog)
• Firewalls/ACL/Encryption/VPN technology - Cisco ASA, PAN, and associated protocols (IPSEC/GRE), AnyConnect and secure proxy functions
• Cisco Umbrella
• Internet services such as DNS, SSL, HTTP
• Microsoft Azure Networking (VNET, UDR, NSGs etc)
• Participate in regular on-call rotation as an escalation resource