Network Security Engineer
Full time
at twentyAI
in
United Kingdom
Posted on February 24, 2025
Job details
- 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.
- Manage vendor relationships for incident resolution.
- 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.
- Managing Cisco routing and switching environments
- Implementing and supporting network security measures
- 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.
- Cisco NX-OS, IOS, ACI. ISE, Meraki
- Firewalls: Palo Alto, CheckPoint, Cisco ASA
- Tetration for workload protection and security analytics
- F5 BigIP load balancer management
- Maintaining and monitoring network performance
- Troubleshooting multi-protocol system networks
- 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.
Apply safely
To stay safe in your job search, information on common scams and to get free expert advice, we recommend that you visit SAFERjobs, a non-profit, joint industry and law enforcement organization working to combat job scams.
