Network Security Engineer

Networking, Systems & Security Recruitment Consultant – UK & EU

• Role: Expert level Network & Security Engineer
• Location: City of London (will accept EU candidates if they are highly relevant)
• Duration: 12 months rolling
• Contract type: Inside IR35.

Responsibilities:

• Own and troubleshoot network-related incidents from first alert to resolution.
• Provide excellent customer-facing support when liaising with users.
• Collaborate with team members and other internal teams.
• Maintain and, when necessary, create comprehensive network data diagrams and documentation.
• Conduct project activities according to specified timelines.
• Deliver network data project tasks and objectives assigned to the team.
• Support and maintain all NSS duties, including data, security, and infrastructure.
• Participate in shift rotations for after-office hours, on-call, and weekend work as required.
• Manage Cisco routing and switching environments.
• Implement and support network security measures.

Required Skills:

• Strong understanding of ISO layers, IP addressing, and subnetting.
• Proficiency in Layer 3 path control, IPv4 redistribution, EIGRP, OSPF, and BGP solutions.
• Experience with Layer 2 switching and VLANs, including high availability and multicast.
• Tetration for workload protection and security analytics.
• F5 BigIP load balancer management.
• Maintaining and monitoring network performance.

Personal Requirements:

• Excellent communication and interpersonal skills.
• Strong problem-solving abilities with a results-driven mindset.
• Ability to handle pressure during outages and systematically resolve issues.
• Proactive and motivated with a structured and logical work approach.
• High attention to detail and accuracy.
• Effective at managing constructive conflict and large workloads under tight deadlines.
• Capable of simplifying complex technical concepts for non-technical audiences.

Seniority Level: Director

Employment Type: Contract

Job Function: Network Security Engineer

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