Job Title: Network and Firewall Specialist
Contract Length: 12 month
Location: Aldermaston, UK- 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 lifecycle), 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.
Key Skills
Ranked by relevance
Related Jobs
3 roles aligned with this opportunity
Network Administrator (All Genders)
2026-05-28
Network Security Engineer Senior/Junior
2026-05-24
Network Engineer
2026-05-29
- Posted
- Feb 09, 2026
- Type
- Contract
- Level
- Mid-Senior
- Location
- Aldermaston
- Company
- eTeam
Industries
Categories
Related Jobs
3 roles aligned with this opportunity
Network Administrator (All Genders)
2026-05-28
Network Security Engineer Senior/Junior
2026-05-24
Network Engineer
2026-05-29