Security Network Engineer (F5, Firewalls, Network Security)

About the role

A leading enterprise organisation is recruiting an experienced Security Network Engineer for its Network & Security Engineering team through a partner recruiter. This is a hands-on engineering role focused on F5 load balancing, firewalls (Fortinet and Check Point) and network security in a large-scale, complex enterprise environment. The role is about 80% BAU engineering and operational support, with 20% project and improvement work.

Key responsibilities

• Support, engineer and enhance F5 BIG-IP load balancing environments
• Manage and troubleshoot enterprise firewalls including Check Point and Fortinet
• Support network security services such as VPN, IPsec, SSL, segmentation and web security
• Deliver F5, load balancing and broader network security improvements
• Troubleshoot complex networking and infrastructure issues and support secure integrations across network, infrastructure and application environments
• Use automation and scripting to improve repeatable engineering and operational processes
• Monitor network performance, security events and alerts
• Work closely with Security, Infrastructure, Cloud, Development and project teams
• Maintain technical documentation and follow established change and security processes

Required profile

• Ideally 5+ years of experience in network or security engineering with a strong hands-on background
• Strong troubleshooting and problem-solving ability
• Ability to work independently and take ownership of technical issues
• Strong communication skills and confidence working across technical and non-technical teams

Required skills

• F5 BIG-IP / load balancing (key requirement)
• Firewall technologies such as Check Point, Fortinet or Palo Alto
• Networking fundamentals: routing, switching, VLANs, TCP/IP and BGP
• Network security: VPN, IPsec, GRE, SSL and segmentation
• LAN, WAN and data centre networking
• Automation or scripting with Python, Ansible or Shell

Nice to have: VMware NSX, proxy or secure web gateway technologies such as Zscaler, SD-WAN, monitoring tools such as Splunk, SNMP or NetFlow, security monitoring and incident response, and broader infrastructure engineering experience.

What we offer

• Hybrid working model with a 60/40 split
• Flexible working hours
• Autonomy within a strong technical team
• Mix of BAU engineering, problem solving and project work

To apply, contact the recruiter by email for a confidential discussion.