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Network Administrator (Cisco)

Location:
Cheltenham
Job Description
Are you CCNA accredited? Do you have experience in configuration and administration of Cisco ASA Firewalls, Cisco Routers and Cisco Switches? We are seeking a Network Administrator for a permanent position in our Cheltenham office.
 
 This person will be a key member of the Northrop Grumman Network team; developing,maintaining and troubleshooting the network which supports connectivity and applications throughout the EMEA region.
 
**For this role you must be willing and able to go through SC clearance**
Different thinking for a Different world
Northrop Grumman is involved in a range of future game-changing defence and security programmes. Whether this is as a partner in the F-35 Lightning II providing the aircraft with much of its situational awareness and communications, as a leading specialist in large intelligence datasets, as a pre-eminent provider of High Altitude Long Endurance unmanned aircraft systems, or as the ‘go to’ provider for truly open system architectures for battlespace networks, communications, and command and control, Northrop Grumman has an unparalleled reputation as an innovator. 
How you will make a difference

Key Responsibilities

  • Assist with the implementation/configuration and administration of networks and network devices for the medium-to-large enterprise network

  • Configure and administer the Cisco ASA Firewalls, Cisco Routers, Cisco Switches, Palo Alto firewalls, Cisco Unified Communications Manager, Cisco Meraki Wi-Fi, and other network devices

  • Own support calls assigned to the Network Team, ensuring timely and effective resolution in line with SLA/OLA guidelines

  • Proactively monitoring systems using the Enterprise tools to ensure uptime

  • Troubleshoot different protocols such as TCP/IP, MPLS, BGP, EIGRP, VPN, QoS, DHCP and DNS

  • Work collaboratively across international teams as required

  • Respond to vulnerability issues and implement patches and upgrades as required

  • Undertake responsibilities as part of the Network Team on-call rota, and work flexibly to deliver out-of-hours planned and unplanned network changes

  • Work in accordance with the company procedures and methodology as a basic discipline

  • Adhere to Northrop Grumman policies, procedures and values, including adherence to ISO20000 & ISO27001 standards

  • Work closely with Server and Desktop team escalations as required in a timely manner to ensure end user continuity of access to the network

  • Undertake any other reasonable tasks as requested

 

Essential Criteria....

An active CCNA/CCNP accreditation or working towards CCNP
Previous experience of configuration and administration of Cisco ASA Firewalls, Cisco Routers, Cisco Switches, and other network devices such as Load balancers, WAN optimisers, and Wi-Fi environment
Good experience of hardware, software and network connection troubleshooting
Some experience of working in a team-oriented, collaborative environment
Proven track record of troubleshooting different protocols such as TCP/IP, MPLS, BGP, EIGRP, VPN, QoS, DHCP and DNS
Experience with hosted and cloud environments

Competency/Skill requirements

Understanding Cloud Platforms (SaaS, IaaS) from a service perspective
Knowledgeable in network security principles and various measures
Fluent in written and spoken English
Good communication and interpersonal skills, able to meet the needs of a wide range of internal clients 
Proven analytical and problem-solving abilities to trouble-shooter level
Highly self-motivated and directed
Keen attention to detail
Strong customer service orientation 
Has a sense of urgency
 
 
It would be great if you had...
 
Cisco Data Centre products: Nexus, MDS
Storage: EMC SAN Storage
F5 Load Balancer
Riverbed WAN Optimiser

Additional info...
 
There may be a requirement on occasion to visit our other sites in the UK.