Senior Network Engineer

Senior Network Engineer - Inside IR35 Contract£450 - £540 per day inside IR35 3 days a week on siteJob Details:To take a leading role in the Design, Build, and Deploy Cisco ACI migration. To provide consultancy and operational support to all areas of the business.Key Responsibilities:- Strong Cisco ACI Experience and involvement with previous Brownfield migrations- Design, build, deploy experience for Cisco Data centre technologies- Strong understanding of network protocols and technologies including: MPLS, BGP, OSPF, IPSEC, PVST, LCP- Create and maintain accurate, clear and comprehensive network documentation.- Install and commission network infrastructure platforms including switches, routers, firewalls and load balancers.- Assist in the recommendation of new network equipment to meet project requirements- Work closely with other areas of the business to provide appropriate solutions and specialist support/advice for projects and variation orders as required- Take responsibility for customer project deliverables- Mentor and assist with the development of less experienced team members.- Provide 3rd line support, including out-of-hours support in critical incidents and participate in on-call support.- Perform other related duties as negotiated to meet the ongoing needs of the organization.- Ensure application availability, performance, scalability and security throughout their networks by using traffic management, delivery and acceleration techniques in conjunction with WAN optimisation caching and quality of service methods.- Monitor and report on network health using management tools including Solarwinds Network Performance ManagerQualifications and Experience:Desirable:Current Cisco Certified Network Professional qualification or a recognised equivalentCurrent full driving license and own car for travelling to and from data centres and their sites.Foundation in ITILUniversity degree in a numerate subject (e.g. Computer Science, maths or engineering).Skills and Experience:- Extensive and proven commercial experience in designing, Installing, commissioning and supporting large complex multi-site voice and data LAN and WAN network solutions based predominantly on Cisco products.- An in-depth understanding of network infrastructure design and best practice principles including routing and switching concepts and technologies, advanced IP addressing, dynamic routing protocols.- MPLS, Secure and resilient routing solutions, Unified communications, Load balancing and traffic management, Quality of Service (QOS), Wireless and Mobile communications.- Experience of implementing and supporting remote access and legacy dialup technologies- An in-depth understanding of end to end secure network concepts, technologies and protocols including Access control, Next generation, Web application and Stateful firewalls technologies, Intrusion prevention, Encryption (IPSEC, SSL, PKI), Security event information management systems, Proxy services.- Excellent troubleshooting and problem diagnosis skills developed from experience- Experience of FCOE solutions- Experience of Storage Area Network implementation- An understanding of the principles of Datacentre Management.- Unix/Linux knowledgePlatform Technology Exposure:Essential:Cisco Branch and Edge RoutersCisco Datacentre, SAN fabric and Campus LAN Switches, including Nexus 5-7KCisco Adaptive security and IDP appliancesF5 Local and Global load-balancersJuniper (JUNOS) FirewallsWeb Application or Next generation firewalls (Barracuda, Palo alto or similar)Ethernet, MPLS, DSL, Leased lines, ISDNDHCP, Dynamic DNS/BIND, SNMPv3, ACS, Radius/TACACS+,Fibre networks deployment and standardsCisco-Works LMS, Solarwinds Orion (or similar), Netflow collection and analysis. Probes, packet sniffers, cable analysersDesirable:Web Filtering (Websense)