Senior Network Specialist – SC Cleared

Duration : 31st March 2023 with possibility of extension to 6 or 12 months

Clearance : Security Check , Sole British

Essential Skills

Technologies: Palo Alto, Fortigate, Cisco ASA, Juniper

The Senior Network Specialist will have the responsibility to design network services, create documentation, change management and root cause analysis as well as acting as an escalation point for the Live Service. Mentoring of junior engineers will be expected.

Main responsibilities

• Support the Lead Infrastructure Engineer in the day to day management of the Cabinet Office wireless LAN, WAN, including the network devices and security devices that are deployed. This may include the design and implementation of new services as and when required by the Cabinet Office.
• Provide second/third line support and problem solving for the Cabinet Office internal network.
• To work within the Cabinet Office Network Operations team on the physical and technical implementation of the networking and security elements that will be deployed at Cabinet Office.
• Maintain and enhance the network infrastructure services including switching, routing, firewall by providing expertise and creating opportunities for others to share and practise your knowledge
• Carry out the patching and configuration of; Switches, Firewalls, WLAN infrastructure
  work with cloud technologies on the migration of existing systems and implementing new solutions
• Integrate and improve on existing processing systems.
• Be prepared to work out of normal office hours to implement change, when necessary, including weekend and evening work, including being on call to maintain integrity, availability, performance and capacity management of the networking infrastructure.
  manage escalated Incidents and Problems from the Live Service through to resolution
  carry out change control activities within the networking infrastructure.
  document the configuration and management of networking infrastructure.
  work within technical compliance management to co-operate with technologies, such as PSN and Cloud computing etc
  
  Who you are

The skills required are as set out in the definition for a Senior Network Specialist as set out here.

It’s essential that you have:

Demonstrable knowledge and experience in LAN and Wireless LAN networking, preferably with equipment from a range of different product vendors
Demonstrable knowledge and experience in WAN networking using BGP, OSPF.
Demonstrable experience and hands-on experience on the administration of Wireless and Wired networks
Demonstrable experience and hands-on experience on the administration of securityevices such as VPN Gateways and clients, Firewalls and Unified Threat Management Devices.
Demonstrable knowledge of networking concepts and technologies and proven experience of network implementation and operation.
Strong demonstrable proven problem solving and analytical skills in a fast paced, multidisciplinary digital/technology environment.
Flexibility to work weekends and evenings as required
Demonstrable experience in the delivery of secure enterprise networking and the secure configuration of LANs, WLANs and WANs.
Experience of change management processes
Professional skills including excellent customer relationship and stakeholder management skills, with the ability to engage with and gain the confidence of colleagues at all levels.
Understanding of Juniper, Palo Alto, Cisco and Fortinet Firewalls, Routing and Switching.
Cisco and Extreme wireless LAN.
Demonstrable knowledge of encryption solutions such as PKI and IPSec.
Technical experience supporting and administering
Cybersecurtiy awareness and understanding.
SC clearance required

Desirable
Experience of working in an agile environment.
Use of Cloud-based systems and platforms.
Substantial configuration and maintenance experience with Palo Alto, Fortigate and Cisco ASA security devices.
Substantial configuration and maintenance experience with Cisco and Juniper switches.
Substantial configuration and maintenance experience with Extreme and Cisco wireless LAN controllers and wireless access points.
Strong understanding of encryption protocols and cipher suites.

Deliverables
Change requests for network changes
Network changes as required on the current network - could include changes to any of the network, network devices and UTM devices.
Documented configuration for network devices
Contribution to the new network design documents.

If you feel you have the skills and experience needed for this role; please do apply now.