Network Administrator

Job title: Network & Security L2 /L3 Admin

Onsite

Location: Waterside, Harmondsworth

Duration of assignment: 6 months contract InsideIR35

Role description:

We are looking for Network L2 and L3 admins for one of the major airlines in UK. This role is customer facing and requires strong technical hands on and good communication skills as outlined below.

Key responsibilities:

Candidates should have a strong working knowledge of OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines

Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware, software, and alerts events.

Triage or troubleshoot the issues & incident, within the defined areas. Follow Standard Operating Manuals and coordinate with third party vendors, customer contacts, or other IT teams to implement solutions and resolution.

Develop strong relationships with the customer and all other supporting departments.

Experience on supporting the Cisco WLAN Controllers, SSID and Access Points

Experience on Implementing and troubleshooting Firewalls Security, VPN’s, NAT policy, Software Patch management

Configuring and troubleshooting routing & switching protocols: Set up and troubleshoot protocols like OSPF, BGP, EIGRP, VLANs, STPs, VRF, MC-LAG, FHRP,DMVPN, NAT Policy.

Solid understanding of LAN, WAN and SDWAN concepts (including wireless LAN) with experience in supporting enterprise class routers, switches in a global and enterprise network environment.

Experience on Implementing and troubleshooting Internal and External DNS, IPAM, DHCP for IP management.

Experience on Implementing and troubleshooting F5 LTM administration, SSL Certificate renewal, iRules creation, Software Upgrade & Patching

Proactive Analysis: Review and analyze the DATA from Network Monitoring Tools to identify the best course of action to avert potential crises.

Test & Implement software patches & firmware for the network & security devices

Vendor or Supplier coordination, Problem-solving skills and ability to meet reasonable deadlines.

Major / High Severity Incidents management & Problem, Vendor Management

Key skills/knowledge/experience:

Must Have

Routing & Switching (Cisco/Juniper – OEM’s) - DC

DC-Core Network Protocol BGP/OSPF concepts

Checkpoint Firewall – Network Security & VPN concepts

Cisco Wireless & SD WAN concepts

F5 LTM

DNS/DHCP, IPAM

CCNP, CCSA, F5 Certificate

Good to Have

Cisco Meraki

AWS Networking,

Cisco ISE & Security

NMS: BIG IQ, SolarWinds, CA Spectrum, Thousand eyes, NetBrain, Firewall Monitoring Tools (Checkpoint)

Person specification:

Client facing role so looking for the candidates with good communication skills