Network Security Engineer

London, Greater London
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Network Security Engineer - Cisco/Juniper/Fortinet/ F5

My client, a leading name in the technology space, is looking for an experienced Network Security Engineer to join their team on an initial 6-month contract. This is a key role supporting a complex enterprise environment, requiring strong technical knowledge across both networking and security domains.

Required Skills & Experience:

You don't need expertise in all technologies listed below, but strong skills in at least one or more of the following areas are essential:

F5 LTM (Local Traffic Manager)
Akamai CDN and security solutions
Fortinet FortiGate firewalls & FortiManager
Juniper SRX firewalls and switches
Cisco ISE - for RADIUS and network access control
Cisco Nexus 7000 series switchesIn addition, you'll bring:

Proven experience with Access Control Lists (ACLs), network segmentation, and perimeter security best practices
A solid understanding of Layer 2 and Layer 3 networking, and core routing protocols such as BGP and OSPF
Experience with high availability networking setups
Strong troubleshooting ability using packet capture and log analysis
Familiarity with tools such as SolarWinds, Wireshark, and other SNMP-based monitoring solutionsIf you have specialist experience in Fortinet, Juniper, Cisco, or F5 technologies and are looking for your next contract opportunity, please apply with your updated CV

Job Info
Adecco logo
Job Title:
Network Security Engineer
Company:
Adecco
Location:
London, Greater London
Salary:
Competitive
Posted:
Jun 6th 2025
Closes:
Jul 7th 2025
Sector:
IT
Contract:
Contract
Hours:
Full Time
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