Network Engineer

Infoplus Technologies UK Ltd; Lighthorne; On-site; GBP 50,000 - 70,000; Full time

Job summary

A technology firm in the UK is seeking a Network Administrator with over 7 years of experience to manage and troubleshoot network infrastructure. Responsibilities include implementing network projects, documenting processes, and ensuring high availability in a mission-critical environment. Strong skills in firewall technologies and Cisco are essential. The role may require on-call support and offers the opportunity to work with a dynamic team.

Qualifications

• 7 years+ of IT network experience required.
• Strong communication and documentation skills.

Responsibilities

• Implement and manage network projects in client environments.
• Create technical documentation (HLD & LLD) as per requirements.
• Conduct troubleshooting and diagnostics for network issues.

Skills

Network IT troubleshooting

Firewall & security technologies

Cisco environment troubleshooting

Network LAN/WAN knowledge

Tools

Cisco ASA

Palo Alto

Wireshark

Job description

Network Administration, and support of Wider Network environment in a mission critical and highly available environment. Diagnose and troubleshoot issues in Network IT Landscape. System technical documentation for existing and new builds/configuration. Requirements gathering from customer. Co‑ordination with vendors like cabling, ISP etc. Work Locations: Gaydon, Solihull, Coventry. The role may require some level of on‑call/weekend support depending on the project’s schedule; any extended or weekend support will be communicated well in advance.

Responsibilities

• Implemented at least 4–5 projects in customer live environment.
• Experience with Network refresh/upgrade projects.
• Created HLD & LLD documents and drew architecture as per customer needs.
• Hands‑on experience with firewall & security technologies (Pulse Secure SSL VPN, Cisco ASA VPN, Checkpoint, Palo Alto, VMware NSX).
• Working knowledge of authentication systems such as SAML, SSO, LDAP and MS Active Directory.
• Deep understanding of IPSEC, GRE, HTTP/HTTPS, DNS protocols.
• Experience with Proxy and SSL is essential.
• Understanding of cybersecurity technologies, protocols and applications.
• Knowledge of Microsoft Visio is mandatory.
• Network LAN/WAN knowledge and hands‑on experience.
• Troubleshooting skills for Cisco environment in quick time (Nexus Switches 1000V‑9k Series, Cisco Enterprise Routers 3900, 3800 & LAN Switches 3700, 3500, 2900 Series) and CAT OS.
• Knowledge of firewalls, particularly Cisco ASA.
• Knowledge of BIGIP F5 Load‑Balancers.
• Knowledge of wireless technology WLCs, autonomous and lightweight APs.
• Performed network modelling, analysis, and planning.
• Installation of hardware as required.
• Performed network troubleshooting to isolate and diagnose common network problems.
• Upgraded network hardware and software components as required.
• Cisco Routing and Switching environment LAN & WAN.
• Knowledge of network sniffers for capturing logs (Wireshark/Ethereal/Solar‑Winds or equivalents).

Qualifications

• Experience: 7 years+ (negotiable based on skill match).
• Strong communication and documentation skills.