21 of 21 Permanent Network Security Jobs in Central London

Senior Network Engineer – Contract £400 Circa PD (Inside IR35) 6 Months London or Oxford x 3 days PW An excellent opportunity has arisen with a brilliant life science company for an experienced Network Engineer. The Network Engineer will be responsible for the design, implementation, maintenance, and support of the organization's network infrastructure. This includes ensuring … network availability, performance, security, and scalability to meet the organization's needs. Role and Responsibilities: Design and implement network infrastructure including LANs, WANs, WLANs, VPNs, and other network devices. Configure and maintain network equipment such as routers, switches, firewalls, and load balancers. Monitor network performance and troubleshoot network issues, ensuring high availability and … reliability. Implement network security measures to protect data, systems, and networks from unauthorized access or breaches. Collaborate with other IT teams to integrate network infrastructure with other systems and applications. Evaluate and recommend new network technologies and solutions to improve efficiency, performance, and security. Develop and maintain network documentation, including network diagrams, configurations, and More ❯

Senior Network Engineer/Lead Network Engineer (12 month Fixed Term Contract) 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/Lead Network Engineer to join the team on a 12 month … Term Contract in their London 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. - Administer and configure FortiGate Firewalls for advanced security measures and threat management. - Provide technical support and troubleshooting for Fortinet products, including FortiGate, FortiAnalyzer, FortiManager, and other related solutions - Monitor network performance, identify issues, and perform necessary troubleshooting to maintain optimal network health. - Develop and enforce network security policies, procedures, and standards to protect organisational assets. - Maintain, troubleshoot, and support Wireless LAN Controllers and More ❯

Network Architect | London (Hybrid, 3 days in office) | £80,000-£85,000 + Bonus + Benefits Zachary Daniels are delighted to be working with a global business during an exciting period of transformation, to recruit a Network Architect/Specialist. This is a strategic and hands-on role, responsible for shaping and evolving enterprise network architecture across … Enjoy: Competitive salary up to £85,000 (DOE) + bonus Hybrid working (3 days in London office) International scope, with occasional travel to Belgium and Denmark Opportunity to lead network strategy across multi-site operations Role Responsibilities: Design, implement, and evolve enterprise network architecture across the UK and Europe. Deliver secure, scalable, and resilient network solutions tailored … to business needs. Manage Cisco Meraki and Fortinet solutions across design, deployment, monitoring, and troubleshooting. Lead on network security, including firewalls, segmentation, and IT/OT integration. Collaborate with and manage outsourced network providers. Provide input on Wi-Fi, industrial site networks, and connectivity projects. Ensure compliance with NIS2, ISO 27001, and GDPR. Partner with IT leadership More ❯

Network Automation Engineer 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 Essential Experience: (must -have skills/qualifications) Solid experience of working in a high-pressure, large-scale, global environment. … Solid understanding of Web Security - Web Application Firewalls & API Security Gateways Experience doing development & tooling for Network & Security Engineering Teams Ability to communicate at all levels. Solid understanding of distributed multi-tier architectures. Solid understanding of change control procedures and incident reporting methodologies. Automating infrastructure provisioning - IaaS & Automating application delivery - PaaS Successful, proven experience (minimum … Significant experience of different delivery methodologies (waterfall, agile/SaFE/LeSS/kanban/xp) Essential Technical Experience: Good understanding of Firewalls Good experience with automation around Networking & Security devices Minimum 5 years' experience in a DevOps/Automation role Good experience with Automation Frameworks specifically Ginger Solid Development Skills (Bash, Python) Solid Development Skills in developing and More ❯

Network Automation Engineer 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 Essential Experience: (must -have skills/qualifications) Solid experience of working in a high-pressure, large-scale, global environment. … Solid understanding of Web Security - Web Application Firewalls & API Security Gateways Experience doing development & tooling for Network & Security Engineering Teams Ability to communicate at all levels. Solid understanding of distributed multi-tier architectures. Solid understanding of change control procedures and incident reporting methodologies. Automating infrastructure provisioning - IaaS & Automating application delivery - PaaS Successful, proven experience (minimum … Significant experience of different delivery methodologies (waterfall, agile/SaFE/LeSS/kanban/xp) Essential Technical Experience: Good understanding of Firewalls Good experience with automation around Networking & Security devices Minimum 5 years' experience in a DevOps/Automation role Good experience with Automation Frameworks specifically Ginger Solid Development Skills (Bash, Python) Solid Development Skills in developing and More ❯

coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in … twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You're degree educated in More ❯

Do you have experience developing and integrating Mac software? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in … twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR/EDTR You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You More ❯

A leading fintech company is seeking a Lead AppSec Engineer to join their established team. Youll be instrumental in embedding security into every stage of the software development lifecycleguiding engineers, shaping best practices, and driving secure, scalable solutions across our platform. Key Responsibilities: Security Advisory : Serve as the go-to expert for application security across engineering teamsproviding … hands-on guidance, resolving concerns, and fostering a security-first mindset. DevSecOps Enablement : Promote and implement secure development practices across CI/CD pipelines, secrets and key management, dependency management, and secure design. Vulnerability Management : Lead vulnerability remediation effortstriaging findings, prioritizing risks, and partnering with teams to deliver effective, pragmatic fixes. Tooling & Automation : Integrate security tools (e.g., SAST … DAST, SCA, secrets scanning) into developer workflows, ensuring automation is both scalable and developer-friendly. Cloud Security Collaboration : Work alongside infrastructure teams to ensure secure configuration of AWS and Azure environments, with a focus on IAM, network security, encryption, and observability. Architecture & Design Reviews : Provide input and recommendations to ensure new services and features are secure by More ❯

Overall governance of Azure Infrastructure and Platform. Design and Architecture knowledge for Azure Landing zone. Closely working on IAAS and Platform projects aligned with different support teams, Technical Architect, Security Team, Service Manager through a DevOps board. Management of Azure Landing Zone subscription hosting Infrastructure components. Migration of Application Workload from Legacy Management group and Subscriptions to Azure Landing … and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site for high secure VPN connectivity from end … user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely working With Security Architect and Team More ❯

Overall governance of Azure Infrastructure and Platform. Design and Architecture knowledge for Azure Landing zone. Closely working on IAAS and Platform projects aligned with different support teams, Technical Architect, Security Team, Service Manager through a DevOps board. Management of Azure Landing Zone subscription hosting Infrastructure components. Migration of Application Workload from Legacy Management group and Subscriptions to Azure Landing … and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site for high secure VPN connectivity from end … user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely working With Security Architect and Team More ❯

Because that’s what drives you to be better, be more and ultimately, be more fulfilled. SOC Consultant Hybrid-3 days onsite Requirement: 10+ years of experience in Cyber security Designing & implementation on Network Security, SIEM, SOAR & Threat Intelligence. Key Responsibilities: Lead Sentinel Deployment for OT SOC Architect and implement Microsoft Sentinel across global OT environments to … centralize security monitoring and incident response. Log Source Integration Configure and onboard diverse log sources including Nozomi Networks, firewalls, Cribl, EDR (e.g., Defender for Endpoint), VMDR (e.g., Qualys), and other OT/IT systems into Sentinel. Custom Analytics & Detection Rules Develop, and fine-tune KQL-based analytics rules tailored to OT threat scenarios, ensuring high-fidelity alerts and minimal … to enhance detection capabilities and contextualize alerts within the OT landscape. Incident Response Automation Design and implement playbooks using Logic Apps to automate incident response workflows for common OT security events. Execution of the use cases on SIEM, SOAR & Threat Intelligence Build custom workbooks and dashboards to visualize OT security posture, threat trends, and SOC performance metrics. More ❯

Because that’s what drives you to be better, be more and ultimately, be more fulfilled. SOC Consultant Hybrid-3 days onsite Requirement: 10+ years of experience in Cyber security Designing & implementation on Network Security, SIEM, SOAR & Threat Intelligence. Key Responsibilities: Lead Sentinel Deployment for OT SOC Architect and implement Microsoft Sentinel across global OT environments to … centralize security monitoring and incident response. Log Source Integration Configure and onboard diverse log sources including Nozomi Networks, firewalls, Cribl, EDR (e.g., Defender for Endpoint), VMDR (e.g., Qualys), and other OT/IT systems into Sentinel. Custom Analytics & Detection Rules Develop, and fine-tune KQL-based analytics rules tailored to OT threat scenarios, ensuring high-fidelity alerts and minimal … to enhance detection capabilities and contextualize alerts within the OT landscape. Incident Response Automation Design and implement playbooks using Logic Apps to automate incident response workflows for common OT security events. Execution of the use cases on SIEM, SOAR & Threat Intelligence Build custom workbooks and dashboards to visualize OT security posture, threat trends, and SOC performance metrics. More ❯

AWS Cloud Security Engineer – Contract (Inside IR35) Hybrid 2/3 days from the London office We are seeking an experienced Cloud Security Engineer with a strong emphasis on AWS. This is a hands on role, the successful candidate will be responsible for designing, implementing, and maintaining secure cloud infrastructure, ensuring a robust security posture and supporting … continuous delivery of our applications. Key Responsibilities: Design and implement secure AWS cloud infrastructure, focusing on system architecture, Identity and Access Management (IAM), encryption, data protection, and network security. Collaborate with the Information Security and application teams to drive cloud security initiatives and align with the broader security strategy. Enhance and secure CI/CD pipelines … across multiple applications by embedding secure coding and DevSecOps best practices. Develop automation tools and scripts to streamline security processes, monitor key security metrics, and support operational demands. Stay up to date with emerging threats, industry trends, and mitigation techniques to continually improve cloud security controls. Required Skills and Experience: Minimum 3 years in a DevSecOps capacity More ❯

AWS Cloud Security Engineer – Contract (Inside IR35) Hybrid 2/3 days from the London office We are seeking an experienced Cloud Security Engineer with a strong emphasis on AWS. This is a hands on role, the successful candidate will be responsible for designing, implementing, and maintaining secure cloud infrastructure, ensuring a robust security posture and supporting … continuous delivery of our applications. Key Responsibilities: Design and implement secure AWS cloud infrastructure, focusing on system architecture, Identity and Access Management (IAM), encryption, data protection, and network security. Collaborate with the Information Security and application teams to drive cloud security initiatives and align with the broader security strategy. Enhance and secure CI/CD pipelines … across multiple applications by embedding secure coding and DevSecOps best practices. Develop automation tools and scripts to streamline security processes, monitor key security metrics, and support operational demands. Stay up to date with emerging threats, industry trends, and mitigation techniques to continually improve cloud security controls. Required Skills and Experience: Minimum 3 years in a DevSecOps capacity More ❯

Data centre migrations and hybrid cloud transitions (AWS, Azure, private cloud). End User Computing refresh programmes - Windows 10/11 upgrades, VDI rollouts, Office 365/M365 migrations. Network & security upgrades - WAN/LAN refresh, SD-WAN, firewall/security infrastructure enhancements. Cybersecurity initiatives - IAM (Identity and Access Management), SIEM integration, encryption, vulnerability management. Infrastructure for More ❯

a Tier 3 Engineer to join our team. You will will provide technical support for a variety of products and services with the main focus of Managed Networks and Security, Unified Communication and fixed connectivity supplied to our customers. The hours of work in on a shift pattern that covers 24x7x365 with on call. Key Responsibilities as a Tier … considered) Cisco CCIE Aruba CCCP Expert level Radius Experience, including Cisco ISE, Aruba ClearPass Process Management – ITIL is highly desirable Experience and Knowledge: A minimum of five years providing network/security solutions in a technical support role to a high technical level or have graduated in an IT related subject, complimented by a minimum of three years … experience. Experience with the advanced functionality of networking equipment, i.e. Routers, Switches, Firewalls, wide area communications, cloud compute and security, SDN’s Experience of the following vendor products; Check Point, Juniper, Cisco, Palo Alto, Aruba Expert knowledge of connectivity technologies (LAN/WAN/Wireless/SD-WAN) Advanced Experience in configuring and troubleshooting networking protocols. Expert understanding of More ❯

flexibility, you will be able to work from home up to 2 days per week. Reporting into the IT Director, you will be responsible for the maintenance, performance and security of Linux-based systems across a multi-site environment. You will manage critical infrastructure including AWS services, firewalls and severs and drive process automation through scripting. You will be … delivering first class AWS solutions. In order to be suitable for this role, you must have demonstrable experience configuring, supporting and enhancing Linux systems. You will be comfortable with network security, cloud infrastructure (AWS) and automation. You will hold in-depth knowledge of Linux distributions (RedHat, CentOS, Debian), have advanced Bash or Terraform scripting experience and strong hands More ❯

flexibility, you will be able to work from home up to 2 days per week. Reporting into the IT Director, you will be responsible for the maintenance, performance and security of Linux-based systems across a multi-site environment. You will manage critical infrastructure including AWS services, firewalls and severs and drive process automation through scripting. You will be … delivering first class AWS solutions. In order to be suitable for this role, you must have demonstrable experience configuring, supporting and enhancing Linux systems. You will be comfortable with network security, cloud infrastructure (AWS) and automation. You will hold in-depth knowledge of Linux distributions (RedHat, CentOS, Debian), have advanced Bash or Terraform scripting experience and strong hands More ❯

customers networks using the companies toolsets and processes. You will be providing technical support for a variety of products and services with the main focus of Managed Networks and Security, Unified Communication and fixed connectivity supplied to our customers. Key Responsibilities - Remotely support and identify issues affecting customer systems and services, then perform top-tier diagnosis with a view … as and when required. - Work with the ISOC Tier 2 Team Leader to provide mentoring to ISOC Tier 2 Core engineers Ideal background - A minimum of five years providing network/security solutions in a technical support role to a high technical level - Experience with the advanced functionality of networking equipment, i.e. Routers, Switches, Firewalls, wide area communications … cloud compute and security, SDN's - Experience of the following vendor products; Check Point, Juniper, Cisco, Palo Alto, Aruba - Expert knowledge of connectivity technologies (LAN/WAN/Wireless/SD-WAN) - Advanced Experience in configuring and troubleshooting networking protocols. - Expert understanding of practical application of VLANs, switching, and routing. - Willingness to learn new technologies using self-learning and More ❯

customers networks using the companies toolsets and processes. You will be providing technical support for a variety of products and services with the main focus of Managed Networks and Security, Unified Communication and fixed connectivity supplied to our customers. Key Responsibilities - Remotely support and identify issues affecting customer systems and services, then perform top-tier diagnosis with a view … as and when required. - Work with the ISOC Tier 2 Team Leader to provide mentoring to ISOC Tier 2 Core engineers Ideal background - A minimum of five years providing network/security solutions in a technical support role to a high technical level - Experience with the advanced functionality of networking equipment, i.e. Routers, Switches, Firewalls, wide area communications … cloud compute and security, SDN's - Experience of the following vendor products; Check Point, Juniper, Cisco, Palo Alto, Aruba - Expert knowledge of connectivity technologies (LAN/WAN/Wireless/SD-WAN) - Advanced Experience in configuring and troubleshooting networking protocols. - Expert understanding of practical application of VLANs, switching, and routing. - Willingness to learn new technologies using self-learning and More ❯

the right fit for this role before applying. You will be providing technical support for a variety of products and services with the main focus of Managed Networks and Security, Unified Communication and fixed connectivity supplied to our customers. Key Responsibilities - Remotely support and identify issues affecting customer systems and services, then perform top-tier diagnosis with a view … as and when required. - Work with the ISOC Tier 2 Team Leader to provide mentoring to ISOC Tier 2 Core engineers Ideal background - A minimum of five years providing network/security solutions in a technical support role to a high technical level - Experience with the advanced functionality of networking equipment, i.e. Routers, Switches, Firewalls, wide area communications … cloud compute and security, SDN's - Experience of the following vendor products; Check Point, Juniper, Cisco, Palo Alto, Aruba - Expert knowledge of connectivity technologies (LAN/WAN/Wireless/SD-WAN) - Advanced Experience in configuring and troubleshooting networking protocols. - Expert understanding of practical application of VLANs, switching, and routing. - Willingness to learn new technologies using self-learning and More ❯