Job Description
Job Title: Network and Firewall Specialist (Active DV Clearance)Contract Length: 12 monthLocation: ALDERMASTON - 100% ONSITE
May be some expensed travel to remote sites but would always try to use perm staff for this first. Willingness to work flexibly and to occasionally work evenings and weekends where exceptional circumstances require it. Travel to remote sites when required which may involve overnight stays. Part of on call rota.
TOP 3 REQUIREMENTS Juniper Experience installing Switches and Firewalls Technical background
KEY ACCOUNTABILITIES: Reviewing, on a daily basis, the status of a various networks, logging incidents where appropriate. Escalating, in advance, to the Network Manager any likely breaches of agreed deadlines. Working with customers, project leads, 3rd parties and other stakeholders to discuss technical service issues assisting with the resolution of said issues. Creation of LLD's for projects if required. Maintaining up-to-date knowledge on network technologies. Working to assist with capacity & availability management of various networks. Problem Solving: investigate and resolve problems for services within their own area of responsibility. Provisioning network services and devices where appropriate.
Essential: Strong understanding of network fundamentals and troubleshooting processes. Experience working with Juniper Virtual Chassis and Clustering technology.o Juniper most essential. Experience with configuring/troubleshooting EVPN/VXLAN on Juniper equipment. Experience of configuring GRE tunnels and Routing Instances/VRFs. Experience of PKI/certificate generation and renewal. Networking: strong routing skills (OSPF, BGP), Firewall configuration, WAN/LAN design, device clustering, high availability. Juniper Technologies: EX, QFX, switch configuration, SRX, vSRX Firewall and policy config, Junos Space, Security Director, Apstra. Security Platforms: FortiGate, F5 BIG-IP (Load Balancing/AWAF), Pulse Secure/Ivanti, high-grade encryption. Identity & Access Management: Cisco Client (full life cycle), Windows NPS (RADIUS/802.1X). Monitoring & Observability: SolarWinds, Splunk. Core Network Services: IPAM, DHCP, DNS. Effective communication with technical and non-technical stakeholders.
Desirable: Juniper and Cisco certification but experience is more important. Data Centre experience advantageous. Extreme Switch knowledge desirable.