* 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
o Own and troubleshoot network-related incidents from first alert to resolution.
o Provide excellent customer-facing support when liaising with users.
o Collaborate with team members and other internal teams.
o Manage vendor relationships for incident resolution.
o Maintain and, when necessary, create comprehensive network data diagrams and documentation.
o Conduct project activities according to specified timelines.
o Deliver network data project tasks and objectives assigned to the team.
o Support and maintain all NSS duties, including data, security, and infrastructure.
o Participate in shift rotations for after-office hours, on-call, and weekend work as required.
o Managing Cisco routing and switching environments
o Implementing and supporting network security measures
Required skills:
o Strong understanding of ISO layers, IP addressing, and subnetting.
o Proficiency in Layer 3 path control, IPv4 redistribution, EIGRP, OSPF, and BGP solutions.
o Experience with Layer 2 switching and VLANs, including high availability and multicast.
o Cisco NX-OS, IOS, ACI. ISE, Meraki
o Firewalls: Palo Alto, CheckPoint, Cisco ASA
o Tetration for workload protection and security analytics
o F5 BigIP load balancer management
o Maintaining and monitoring network performance
o Troubleshooting multi-protocol system networks
Personal Requirements
o Excellent communication and interpersonal skills.
o Strong problem-solving abilities with a results-driven mindset.
o Ability to handle pressure during outages and systematically resolve issues.
o Proactive and motivated with a structured and logical work approach.
o High attention to detail and accuracy.
o Effective at managing constructive conflict and large workloads under tight deadlines.
o Capable of simplifying complex technical concepts for non-technical audiences.