16 of 16 Permanent Network Security Jobs in Central London

Senior Network Engineer (Cisco ISE/Wireless/Palo Alto/Fortigate) Hybrid working: 3 days per week required in the office. DGH Recruitment are currently recruiting on behalf of a leading global professional services firm who are looking for a Senior Network Engineer to join the team … office. The role will be Responsible for maintaining the existing LAN/WAN infrastructure as well as working on projects and Changes to the network infrastructure. Responsibilities: - Design, implement and manage complex network infrastructure using Cisco campus networking 9300 series and Cisco Nexus switches. - Configure and optimise Cisco ...

CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities. As a Principal Network Architect , you will be a trusted advisor, technical … authority, and strategic partner to our clients. You will lead the design of complex, secure, and scalable network architectures, translating business requirements into robust technical solutions. This role combines technical leadership, solution architecture, consultancy, and pre-sales engagement, requiring a strong ability to operate at both strategic and hands ...

Senior Security Engineer is required by a London-based Quantitative Trading firm. As part of a global security team, the incoming engineer will be responsible for engineering and automating security solutions to address the global threat landscape, streamline business execution and further enable firm-wide AI adoption. … days in the office per week, so applicants should be within commutable distance of central London or happy to relocate. Responsibilities: AI Security & Emerging Threats Assess and mitigate security risks associated with AI/ML systems and LLM-integrated applications Develop detections and tooling for AI-related threats ...

Network Architect - Fortigate A highly experienced Network Architect is required to join a fast-paced environment, with a strong focus on Fortinet technologies and enterprise firewall operations. The ideal candidate will have hands-on experience across FortiGate, FortiManager, FortiAnalyzer, FortiAP, FortiSwitch, FortiSASE, and FortiConverter, with the ability … design, deploy, and support secure network solutions at scale. This role involves leading firewall migrations, security policy implementation, SD-WAN delivery, and network security improvements across complex multi-vendor environments. Strong experience with enterprise security design, troubleshooting, and documentation is essential, along with a proactive ...

Cyber Security Lead London (City) | Financial FinTech £110,000 + package | Hybrid (WFH/Office blend) Overview You will need to be UK based living within a commutable distance from London We are seeking a Cyber Security Lead/Senior Security Engineer to take ownership … hands-on security of a high-performance trading environment within a regulated FinTech organisation. This is a critical role combining technical security operations with regulatory compliance, ensuring resilience across infrastructure, networks, and systems. Youll work closely with Engineering, DevOps, IT, and Infrastructure teams, playing a key role ...

prestigious UK-based organisation with a rich history spanning over 500 years. This role involves providing deep technical expertise in Microsoft Sentinel, Azure security infrastructure, networking, and security tooling. The successful candidate will play a crucial role in stabilising, improving, and standardising security operations. … role: Design, implement, and support Microsoft Sentinel infrastructure, including workspaces, data connectors, analytics rules, automation, and workbooks. Engineer and maintain Azure security controls across core services, supporting secure cloud operations at enterprise scale. Implement, enhance, and maintain security tooling to improve detection, monitoring, and response capabilities. Design, deliver ...

innovation and technical ownership. This role is not a traditional SOC position, you’ll focus on building high-impact detection capabilities , shaping how security protects sensitive genomic and AI-driven data at scale. This role offers hybrid/remote working options, a salary range … incident detection Collaborate with an MSP SOC to maintain and tune the detection catalogue Build automated reporting dashboards using Microsoft Sentinel workbooks Support security initiatives including ISO 27001 activities and KQL-based tasks Ensure monitoring coverage across cloud platforms, SaaS apps, and internal systems Contribute to documentation of processes ...

have a current opportunity for a Head of Azure Platform Security on a permanent basis. The position will be based in London. For further information about this position please apply. Requirements - Hands-on Azure cloud security architecture and implementation - Defender for Cloud, Policy-as-Code, RBAC, PIM, private … endpoints, and secure landing zone design; AWS security experience also considered - Network security engineering: firewall policy design and lifecycle management, micro-segmentation, NSG/UDR/NVA architecture, hub-spoke topology, and perimeter defence for hybrid environments - WAF design, deployment, and operational tuning - Cloudflare, Azure Application Gateway ...

will focus on hands-on support and projects across on-prem and cloud platforms. Responsibilities will include: Designingand deliver enterprise-scale firewall solutions Lead security and network modernisation projects Research and introduce new security technologies Provide Tier 3 support for complex issues Document designs and share knowledge … engineers To be considered suitable you will need the following skills/experience: Strong backgroundwith Palo Alto firewalls (Panorama, NGFW, Prisma Access) Strong enterprise network experience Palo Altocertification - PCNSE Good understanding of network security ...

Network Consultant | £75,000 - £90,000 | Hybrid | Service-Provider We are working with a leading provider of cutting-edge networking solutions, delivering innovative technologies to businesses worldwide. They are looking for a Network Consultant with a strong background in Cisco networking to join their high-performing team. This … Responsibilities: Lead technical projects and act as the Technical Lead on key engagements Build strong customer relationships and provide expert consultancy Design and implement network, security, and cloud solutions Develop and deliver high-quality technical documentation (HLDs, LLDs, Migration Plans, etc.) Keep up to date with industry best ...

months initially, view to extend Location: London 1 day per week, 4 days remote (open to remote) Overview We are looking for a senior Network Architect for an engagement with a major financial services client. You will be an expert-level practitioner who is equally comfortable working at depth … technically and presenting findings to senior executives. Both skills are essential for this engagement. What the Role Involves Assess and document the current network estate across LAN, WAN, and Data Centre environments Identify fragmentation, technical debt, and architectural risk within the existing environment Produce a current state assessment ...

high-performing team, aligning with global peers Key Accountabilities & Responsibilities Infrastructure Operations & Service Reliability (Run) Own and continuously improve the reliability, availability, performance, and security of the UK/EU infrastructure estate. Lead operational management across: On‐prem data centre services (compute, storage, virtualisation, power/cooling/vendor … support, capacity) Office infrastructure and connectivity (LAN/WAN/Wi‐Fi, site resilience, meeting room tech as applicable) Network services including routing/switching, segmentation, and secure connectivity Perimeter and security appliances, including Palo Alto firewalls and Cisco network capabilities Microsoft Exchange (as applicable—hybrid ...

days per week required in the office in London. Overview The role will focus on designing, implementing, and evolving identity, access, and infrastructure security capabilities across hybrid environments. Key Responsibilities - Monitor and evaluate emerging IAM trends (e.g., passwordless authentication, decentralised identity, adaptive access controls). - Lead automation and governance … Kerberos, LDAP). - Embed Zero Trust and least-privilege principles across systems and applications. - Own global firewall architecture and contribute to micro-segmentation and network security strategy. - Enhance privileged access management (PAM), including workflow and monitoring capabilities. - Ensure audit readiness and contribute to compliance frameworks (e.g., ISO standards ...

sector Role Overview We are seeking an experienced Test Manager to lead the end-to-end testing activities for critical programme initiatives comprising of Network Detection and Response (NDR) implementation and an end user project focused on Device Trust and Application Security within Citrix products along with other … timelines and quality of testing is of he highest quality. Required Skills & Experience Proven experience as a Test Manager on IT programmes, ideally within network security and end user computing environments. Strong knowledge of Network Detection & Response solutions and Device Trust concepts would be advantageous. Demonstrable experience ...

leaders who will fully support you on this journey? Have access to loads of training and development? A genuine journey to be the lead Network Security Presales Solutions Architect in time? I have a great opportunity at a top multi-vendor MSP. This business is a multi-award ...

Have Fluency in English Experience with C++ Exposure to distributed systems , IoT, or Industry 4.0 Understanding of IoT communication protocols, cloud platforms, and network security Why Join? You’ll be part of a team using technology and creativity to disrupt a traditional industry with opportunities to grow across ...