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# Networking & Security Engineer

- **Company:** The Borough
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Artificial Intelligence, Software System Penetration Testing, Bash Shell, CentOS, Cyber Security, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Networking Hardware, Intrusion Detection Systems, Virtual Private Networks (VPN), Network Security, Log Analysis, Windows Servers, Network Architecture, Windows PowerShell, Red Hat Enterprise Linux, Security Information and Event Management, TCP/IP, Virtual Local Area Networks, Scripting, Computer Network Technologies, Cyber Threat Analysis, Firewalls (Computer Science), Cybercrime, Patch Management, Wireless Technologies, Data Management, Cisco, Vulnerability Analysis, Vmware
- **Published:** August 26, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/networking-security-engineer/45116018

## About the Role

firewalls, switches, VPNs, and wireless systems (primarily Cisco-based), with a security lens on all configuration and changeOperate across Windows and Linux (Red Hat/CentOS) environments, ensuring both are maintained to a consistent security baselineCollaborate with infrastructure and technology teams to embed security into project delivery and BAU processesDevelop and maintain security documentation including incident response playbooks, SOPs, architecture diagrams, and runbooksStay current with the evolving threat landscape, bringing proactive recommendations to improve the firm's security posture over timeParticipate in an on-call rotation to support critical systems and respond to security incidents outside business hoursRequirementsMinimum 7+ years' experience in infrastructure, networking, and security rolesStrong hands-on experience with Windows Server and Linux (Red Hat/CentOS)Solid networking knowledge, including TCP/IP, VLANs, VPNs, DNS, DHCP, with practical experience in Cisco
environmentsDemonstrated experience implementing and supporting security controls, including:Patch management and system hardeningEndpoint protection and monitoringIdentity and access managementGood understanding of cyber security principles, including modern threat landscapes and evolving risks (e.g. automation and AI-driven attack vectors)Experience with virtualisation (VMware) and enterprise storage (SAN/NAS)Scripting or automation experience (e.g. PowerShell, Bash) is advantageousExperience in financial services or regulated environments is preferredStrong troubleshooting skills with a structured and analytical approachAble to balance BAU responsibilities with project delivery effectivelyA thoughtful and forward-looking mindset, with the ability to identify risks and propose improvementsClear and confident communicator, able to engage with both technical and non-technical stakeholdersSelf-motivated, accountable, and willing to take ownership of issues end-to-endCollaborative and
adaptable, with a practical and solutions-focused approachJob SummaryID: 717B24224ADepartment: Technology Infrastructure

## Description

end-to-endMonitor, triage, and respond to security events across the environment, including log analysis, anomaly detection, and threat hunting, with a strong awareness of modern and AI-enabled attack vectorsOwn and drive security hardening across all infrastructure - servers, endpoints, network devices, and cloud-adjacent systems - ensuring consistent application of best practices and compliance with security policiesDesign and implement secure infrastructure solutions, embedding security requirements from the outset rather than retrofitting themConduct regular vulnerability assessments and penetration testing exercises, prioritising and remediating findings in a timely mannerManage and continuously improve security tooling, including SIEM, EDR, firewalls, IDS/IPS, and endpoint protection platformsAct as the escalation point for security-related incidents across 2nd and 3rd line, providing expert guidance and driving resolutionSupport and maintain network infrastructure including


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