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Network Administrator (Cisco) - Northrop Grumman

Network Administrator (Cisco) - Northrop Grumman

Posted 13 May by Optamor1
Easy Apply Ended

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**

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.

Required skills

  • CISCO
  • Network Security
  • Cisco Networking
  • CCNA

Reference: 40351286

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