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Network Security Engineer

Network Security Engineer

On site

London, United Kingdom

Freelance

20-02-2025

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Job Specifications

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

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.
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

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.

About the Company

twentyAI has a vision to unite the power of people, data and technology to transform how organisations grow, scale and diversify. Technology is rapidly evolving, but the talent engagement process hasn't kept up. The challenge is to overcome the increasing complexity of process and compliance whilst still providing a rapid and precise human solution. Many HR tech platforms exist but few can solve these problems. Because recruitment is reliant on people and hiring successfully is immersed in nuance. We are striving to overcom... Know more

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London, United Kingdom

Hybrid

Freelance

14-03-2025