1 to 25 of 76 Network Security Jobs in London

Junior Security Researcher Salary: £50,000 - £80,000 DOE Fully remote We're looking for a Junior Security Researcher who is passionate about understanding how networks behave from a security perspective and enjoys uncovering the story behind complex data. This is an opportunity to join a pioneering start-up transforming raw security data into actionable intelligence … helping shape the future of threat detection across global networks. This role sits within their Security Research function and is ideal for someone with a SOC, network engineering or security operations background who is keen to move deeper into research and intelligence. You'll be working closely with large volumes of security data to help organise … analyse and contextualise the activity their detection systems surface. If you understand how networks really operate, feel comfortable working with SQL, and enjoy exploring patterns in security data, this could be a fantastic next step in your career. About the Role You'll support the wider security research team by 'farming' the data they generate - turning raw network More ❯

Your new role - Permanent - ON SITE 5 Days per week. You will be required to obtain security clearance and undergo vigorous onboarding checks - UK Only. Sponsorship NOT available.The main purpose of this job mainly focusses on information security, cybersecurity, and data security, including a wide scope, such as physical security of computer rooms, operating system level … security of Windows and Linux, network security of firewall and other security devices, application security both development and testing phrases, terminal security, backup security, third party and supply chain security of IT service provider.Liaison with the Head Office, Security Operation Centre or Data Centre for implementing security policies, projects and … security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure best practice and international baseline standards are in place and in line with local regulations.The ideal candidate will be responsible for managing information security systems, ensuring compliance with regulatory requirements, and conducting thorough security audits.You will be part of More ❯

Your new role - Permanent - ON SITE 5 Days per week. You will be required to obtain security clearance and undergo vigorous onboarding checks - UK Only. Sponsorship NOT available. The main purpose of this job mainly focusses on information security, cybersecurity, and data security, including a wide scope, such as physical security of computer rooms, operating system … level security of Windows and Linux, network security of firewall and other security devices, application security both development and testing phrases, terminal security, backup security, third party and supply chain security of IT service provider. Liaison with the Head Office, Security Operation Centre or Data Centre for implementing security policies … projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure best practice and international baseline standards are in place and in line with local regulations. The ideal candidate will be responsible for managing information security systems, ensuring compliance with regulatory requirements, and conducting thorough security audits. You More ❯

Senior Platform Engineer (Network & Security) Central London, Hybrid (2-3 days) | £70,000-£80,000 + excellent benefits About the company We're proud to be partnering with a leading international bank, renowned for its commitment to digital transformation, sustainability, and innovation. With operations spanning multiple continents, they're investing heavily in modernising their technology landscape; driving automation … the heart of this transformation, helping to build secure, scalable platforms that power global banking operations. About the role As the Senior Platform Engineer, you'll take ownership of network infrastructure design, automation, and security and work with both internal teams and third party partners to drive enterprise-level transformations. You'll work across cloud and on-prem … environments, utilising a range of cloud, network, and security technologies, developing Infrastructure as Code (IaC), and embedding security controls to deliver seamless, secure platform connectivity. About you An experienced Network & Security Engineer with at least 5+ years of relevant experience in designing, implementing, and securing enterprise-grade network platforms. You'll bring strong technical More ❯

Senior Platform Engineer (Network & Security) Central London, Hybrid (2-3 days) | £70,000-£80,000 + excellent benefits About the company We’re proud to be partnering with a leading international bank, renowned for its commitment to digital transformation, sustainability, and innovation. With operations spanning multiple continents, they’re investing heavily in modernising their technology landscape; driving automation … the heart of this transformation, helping to build secure, scalable platforms that power global banking operations. About the role As the Senior Platform Engineer, you’ll take ownership of network infrastructure design, automation, and security and work with both internal teams and third party partners to drive enterprise-level transformations. You’ll work across cloud and on-prem … environments, utilising a range of cloud, network, and security technologies, developing Infrastructure as Code (IaC), and embedding security controls to deliver seamless, secure platform connectivity. About you An experienced Network & Security Engineer with at least 5+ years of relevant experience in designing, implementing, and securing enterprise-grade network platforms. You’ll bring strong technical More ❯

Senior Network Security Engineer Location: Fully Remote Rate: Up to £450 per day (Inside IR35) Duration: 6 Months About the Role We are seeking an experienced Senior Network Security Engineer to join on a 6-month contract. This is a fully remote role, offering an opportunity to work on high-impact security projects and infrastructure … initiatives. You’ll be responsible for strengthening the security posture, managing critical systems, and mitigating risks across cloud and network environments. Key Responsibilities Manage, configure, and troubleshoot Palo Alto firewalls to ensure optimal security. Implement and maintain Azure security controls , including identity, networking, and monitoring solutions. Configure and manage Web Application Firewalls (WAFs) to protect against application … layer attacks. Conduct security audits , review findings, and produce comprehensive reports. Proactively mitigate vulnerabilities identified in security reports and assessments. Collaborate with cross-functional teams to ensure security best practices are followed. Stay up to date with emerging threats, vulnerabilities, and industry trends. Skills & Experience Required Proven experience as a Network & Security Engineer or similar More ❯

Senior Network Security Engineer - WAF 6 months contract Up to £500 per day (Inside IR35) Fully Remote We’re looking for a Senior Network Security Engineer with strong WAF and cloud security experience to join on a 6-month contract. You will take ownership of our web application security posture, drive improvements across our … network security stack, and support key projects focused on cloud, firewall, and WAF optimisation. Key Responsibilities Lead the configuration, tuning, and optimisation of Barracuda WAF platforms Support and enhance Azure networking components including VNets, NSGs, firewalls, load balancers, and routing Work with next-generation firewalls (any major vendor) to improve security controls Monitor, investigate, and respond to … security incidents across WAF, firewalls, and cloud networking Implement and maintain secure network design patterns and best practices Collaborate with architecture, cloud, and application teams to ensure secure service delivery Produce documentation, runbooks, and provide knowledge transfer where required Essential Skills & Experience Strong hands-on experience with WAF technologies, ideally Barracuda WAF Solid understanding of Azure networking (VNets More ❯

Job Role : Project Manager Duration : 6+ Months Contract – Inside IR35 Location : London, UK Working Mode : Onsite Job Description : 1. Delivery/management of network automation projects 2. Network Functions (Proxy, Firewall, network security or DOS experience preferred)Tools: Jira, Confluence Requirements Job Role : Project Manager Duration : 6+ Months Contract – Inside IR35 Location : London, UK Working Mode … Onsite Job Description : 1. Delivery/management of network automation projects 2. Network Functions (Proxy, Firewall, network security or DOS experience preferred)Tools: Jira, Confluence 1. Delivery/management of network automation projects 2. Network Functions (Proxy, Firewall, network security or DOS experience preferred)Tools: Jira, Confluence More ❯

One of the most exciting prospects in the UK cyber security sector today, Bridewell is a leading cyber security services company specialising in protecting and transforming critical business functions for some of the world's most trusted organisations. We are the trusted partner for operators of essential services and provide end-to-end cyber security capabilities that … help our clients overcome their security challenges, allowing them to operate safely and securely. Bridewell holds the Gold level, Investors in People award which we feel solidifies and reflects on the outstanding calibre that makes us truly one team. Who are we looking for? A passionate technology focused individual, with an honest and empathic approach to customer conversations. You … will have hands on experience in Security Architecture and Cloud Security and can deliver comprehensive and robust security solutions to different audiences. You will have owned, led and developed end to end solution architectures for projects which have high security requirements. Requirements This role sits within our Security Architecture and Cyber Consulting teams meaning you More ❯

We are seeking a highly skilled and experienced Network Analyst/Architect to join our dynamic IT team. The ideal candidate will play a crucial role in designing, implementing, and optimizing our enterprise network infrastructure, with a strong focus on cloud networking, automation techniques, and traditional network architectures. You will be responsible for ensuring the seamless integration … of cloud-based and on-premise networking technologies, driving performance, scalability, and security across the entire network environment. This position demands a forward-thinking professional who can lead in developing innovative solutions while maintaining and improving our current systems. You will collaborate with IT colleagues, external vendors, and key business stakeholders to ensure that the network infrastructure … aligns with our organization's strategic goals and technology initiatives. Key Responsibilities: Design, Implement, and Manage Network Infrastructure Lead the design and deployment of robust, scalable, and high-performing network architectures, including LAN, WAN, WiFi, and cloud networking solutions. Expertise in routing, switching, and network segmentation to support business operations across multiple sites and cloud environments. Design More ❯

ON SITE 5 Days per week. You will be required to undergo vigorous onboarding checks - UK Only. Sponsorship NOT available.The main purpose of this job mainly focusses on information security, cybersecurity, and data security from a Greenfield perspective.We are on a journey to secure Cyber Essentials plus and ISO27001 certification.You MUST have experience working with banking/financial … services regulations, FCA, PRA etc.Liaison with the Head Office, Security Operation Centre or Data Centre for implementing security policies, procedures, projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure best practice and international baseline standards are in place and in line with local regulations.The ideal candidate … will be responsible for managing information security systems, ensuring compliance with regulatory requirements, and conducting thorough security audits.You will be part of the IT committee and work closely with the risk and compliance team.Ideally, having a background in IT/Network security, progressing into information security and cybersecurity.**Key Responsibilities:**- Develop, draft, implement, and maintain More ❯

SITE 5 Days per week. You will be required to undergo vigorous onboarding checks - UK Only. Sponsorship NOT available. The main purpose of this job mainly focusses on information security, cybersecurity, and data security from a Greenfield perspective. We are on a journey to secure Cyber Essentials plus and ISO27001 certification. You MUST have experience working with banking …/financial services regulations, FCA, PRA etc. Liaison with the Head Office, Security Operation Centre or Data Centre for implementing security policies, procedures, projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure best practice and international baseline standards are in place and in line with local … regulations. The ideal candidate will be responsible for managing information security systems, ensuring compliance with regulatory requirements, and conducting thorough security audits. You will be part of the IT committee and work closely with the risk and compliance team. Ideally, having a background in IT/Network security, progressing into information security and cybersecurity. **Key More ❯

Network and Endpoint Security Architect Location: London Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK address history at the point of application. Accenture is a leading global professional services … technology to each business challenge. We believe in inclusion and diversity and supporting the whole person. Our core values comprise of Stewardship, Best People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. “Across the globe, one thing … impact we have with our clients and with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO As a Network and Endpoint Security Architect, you will: Act as the technical lead in customer-facing engagements, translating complex security needs into effective solution architectures Design Zero Trust-aligned More ❯

IT Security Operations Manager City of London | Financial Services £Highly competitive plus bonus plus banking bens IT Security Operations Manager opportunity has arisen for an experienced and ambitious individual to take a leading role in protecting a complex, global technology estate within a highly regulated financial services environment. In this role, you will be responsible for: Managing and … enhancing IT security controls, frameworks and processes Overseeing BAU security operations, ensuring services are delivered efficiently and in line with SLAs Leading activity across Threat & Vulnerability Management (TVM), PAM, IAM, DLP, Network Security and Penetration Testing Managing outsourced security providers and holding them to account on performance Acting as SME for security improvement projects … aligned to ISO27001/NIST Managing security incidents, including forensic investigations and post-incident reviews Supporting governance, due diligence and audit activity across the security function Key Requirements: Significant experience leading IT security operations within complex, enterprise environments Industry-recognised certifications such as CISSP, TOGAF, CCSP, GCIH or equivalent Strong experience securing Microsoft cloud environments (Azure) design More ❯

IT Security Operations Manager City of London | Financial Services £Highly competitive plus bonus plus banking bens IT Security Operations Manager opportunity has arisen for an experienced and ambitious individual to take a leading role in protecting a complex, global technology estate within a highly regulated financial services environment. In this role, you will be responsible for: Managing and … enhancing IT security controls, frameworks and processes Overseeing BAU security operations, ensuring services are delivered efficiently and in line with SLAs Leading activity across Threat & Vulnerability Management (TVM), PAM, IAM, DLP, Network Security and Penetration Testing Managing outsourced security providers and holding them to account on performance Acting as SME for security improvement projects … aligned to ISO27001/NIST Managing security incidents, including forensic investigations and post-incident reviews Supporting governance, due diligence and audit activity across the security function Key Requirements: Significant experience leading IT security operations within complex, enterprise environments Industry-recognised certifications such as CISSP, TOGAF, CCSP, GCIH or equivalent Strong experience securing Microsoft cloud environments (Azure) - design More ❯

Azure DevOps Engineer | London | Hybrid 3 days | Permanent | Investment management client Role Overview: Manage and support Azure cloud platform operations with a focus on Infrastructure as Code, network operations, and identity management whilst ensuring platform reliability, security, and performance across Azure environments. Key Characteristics: Azure Platform Operations - Extensive hands-on experience managing and supporting Azure environments including Virtual … dynamic inventory, managing Azure-specific modules, and automating routine operational tasks across environments hosted in Azure. Networking & SASE Architecture - Solid understanding of Azure networking including Virtual Networks (VNets), subnets, Network Security Groups (NSGs), Application Security Groups, Azure Firewall, route tables, VNet peering, Azure VPN Gateway, ExpressRoute, and Azure Bastion. Knowledge of SASE frameworks with Azure integration, Azure … Virtual WAN, zero-trust network architecture, and experience with solutions such as CATO, Zscaler or Palo Alto integrated with Azure. Identity & Access Management - Expert knowledge of Microsoft Entra ID (Azure AD), Azure RBAC, Privileged Identity Management (PIM), managed identities, service principals, and Azure AD Connect for hybrid scenarios. Experience managing user provisioning/deprovisioning, conditional access policies, multi-factor More ❯

Job Tittle: Proxy Network Engineer Location: Chester, Bromley and Camberley (3 days a week on-site) Contract Length: 12 Months Working Hours : Monday to Friday, standard office hours with out of hours requirement Rate: Circa £600/Day Status: Inside IR35 Role Overview: The role is within the EMEA Network Engineering Proxy Services Team, working on complex technical … designs that enable business strategies in accordance with architectural governance, standards and policies. This job facilitates deployment of technical solutions by designing, engineering and implementing configuration across EMEA network infrastructure. Skills Proven experience as a Network Security Engineer. Proven experience of working with Bluecoat Proxy SG (Symantec) and/or McAfee Web Gateway (Trellix SkyHigh) Knowledge and … experience of working with SSL traffic Decryption and Inspection either On-Proxy or 3rd Party (F5 SSLO, Radware Alteon) Ability to base build and configure Network Proxies to given standards Knowledge and experience of working with and creating automation scripts Strong DMZ architecture and engineering Experience In-depth knowledge of network protocols, security principles, and best practices. More ❯

Job Tittle: Proxy Network Engineer Location: Chester, Bromley and Camberley (3 days a week on-site) Contract Length: 12 Months Working Hours : Monday to Friday, standard office hours with out of hours requirement Rate: Circa £600/Day Status: Inside IR35 Role Overview: The role is within the EMEA Network Engineering Proxy Services Team, working on complex technical … designs that enable business strategies in accordance with architectural governance, standards and policies. This job facilitates deployment of technical solutions by designing, engineering and implementing configuration across EMEA network infrastructure. Skills Proven experience as a Network Security Engineer. Proven experience of working with Bluecoat Proxy SG (Symantec) and/or McAfee Web Gateway (Trellix SkyHigh) Knowledge and … experience of working with SSL traffic Decryption and Inspection either On-Proxy or 3rd Party (F5 SSLO, Radware Alteon) Ability to base build and configure Network Proxies to given standards Knowledge and experience of working with and creating automation scripts Strong DMZ architecture and engineering Experience In-depth knowledge of network protocols, security principles, and best practices. More ❯

IT Network ManagerNorth London£45,000 - £50,000 per year DOE + Holiday + Pension Excellent opportunity for an IT professional looking for a role offering autonomy, technical responsibility, and the opportunity to shape and manage the IT network infrastructure of a busy school.This organisation has a strong reputation for supporting students and staff alike. It is well … established, stable, and prides itself on a collaborative and inclusive culture.This role is a key appointment within the school, giving you the chance to take ownership of network design, management, and security, as well as lead a small IT team. You will be the senior technical point of contact and influence the IT infrastructure and systems strategy.The ideal … candidate will have proven experience in network management, team leadership, and network security. You will have a strong background in IT infrastructure, with knowledge of Windows Server, Active Directory, Microsoft 365, network protocols (TCP/IP, DHCP, DNS), and experience managing technical projects.This is a fantastic opportunity to take on a varied and technically interesting role, with More ❯

IT Network Manager North London £45,000 - £50,000 per year DOE + Holiday + Pension Excellent opportunity for an IT professional looking for a role offering autonomy, technical responsibility, and the opportunity to shape and manage the IT network infrastructure of a busy school. This organisation has a strong reputation for supporting students and staff alike. It … well-established, stable, and prides itself on a collaborative and inclusive culture. This role is a key appointment within the school, giving you the chance to take ownership of network design, management, and security, as well as lead a small IT team. You will be the senior technical point of contact and influence the IT infrastructure and systems … strategy. The ideal candidate will have proven experience in network management, team leadership, and network security. You will have a strong background in IT infrastructure, with knowledge of Windows Server, Active Directory, Microsoft 365, network protocols (TCP/IP, DHCP, DNS), and experience managing technical projects. This is a fantastic opportunity to take on a varied and More ❯

IT Network Manager North London 45,000 - 50,000 per year DOE + Holiday + Pension Excellent opportunity for an IT professional looking for a role offering autonomy, technical responsibility, and the opportunity to shape and manage the IT network infrastructure of a busy school. This organisation has a strong reputation for supporting students and staff alike. It … well-established, stable, and prides itself on a collaborative and inclusive culture. This role is a key appointment within the school, giving you the chance to take ownership of network design, management, and security, as well as lead a small IT team. You will be the senior technical point of contact and influence the IT infrastructure and systems … strategy. The ideal candidate will have proven experience in network management, team leadership, and network security. You will have a strong background in IT infrastructure, with knowledge of Windows Server, Active Directory, Microsoft 365, network protocols (TCP/IP, DHCP, DNS), and experience managing technical projects. This is a fantastic opportunity to take on a varied and More ❯

anywhere in UK Travel: Up to 2 days per week Life on the team At Computacenter, we support enterprise-scale organisations in securing their digital operations and advancing their security strategies. As part of our Group Professional Services (GPS) division, youll join a network of over 1,000 technology professionals who collaborate across borders to deliver industry-leading … solutions. This role offers the opportunity to shape and deliver cutting-edge security architectures that span Secure Access Service Edge (SASE), identity and access management, cloud security, and data centre protection. As a Principal Consultant, you'll work directly with major enterprise customers, playing a strategic role in advisory, design, and technical delivery. What you'll do Provide … expert guidance across SASE/SSE, PAM, detection, and data centre security technologies Be involved customer engagements, providing advisory services, architecture guidance, roadmap planning, and solution governance Define and document high and low-level solution designs, technical requirements, and delivery frameworks Engage in strategic customer meetings to translate business needs into technical strategy Collaborate with vendors and partners (notably More ❯

within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving demand for scalable, standardised and efficient business applications. This role is ideal for a proactive security professional with strong technical expertise across application, network and infrastructure security. You will play a key part in implementing security controls, mitigating risk and contributing to the … continuous improvement of the company's overall security posture. Responsibilities: * Monitor security tools including SIEM (QRadar) and respond to threat detection alerts * Triage, analyse and prioritise security (via ServiceNow) * Investigate root causes of security issues and design effective remediation solutions * Oversee Patch Management * Conduct vulnerability scans with Qualys, analyse results and prioritise remediation * Document SecOps processes … and create knowledge base articles in line with best practices * Automate security tasks and toolchains using scripting (PowerShell, Batch, etc.) * Collaborate with external SOC teams * Prepare post-incident reports and root cause analyses * Manage end-user device (EUD) security via MS Intune, Sophos and NinjaOne * Schedule and assess vulnerability scans on critical infrastructure * Maintain patching compliance for OS More ❯

within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving demand for scalable, standardised and efficient business applications. This role is ideal for a proactive security professional with strong technical expertise across application, network and infrastructure security. You will play a key part in implementing security controls, mitigating risk and contributing to the … continuous improvement of the company's overall security posture. Responsibilities: * Monitor security tools including SIEM (QRadar) and respond to threat detection alerts * Triage, analyse and prioritise security (via ServiceNow) * Investigate root causes of security issues and design effective remediation solutions * Oversee Patch Management * Conduct vulnerability scans with Qualys, analyse results and prioritise remediation * Document SecOps processes … and create knowledge base articles in line with best practices * Automate security tasks and toolchains using scripting (PowerShell, Batch, etc.) * Collaborate with external SOC teams * Prepare post-incident reports and root cause analyses * Manage end-user device (EUD) security via MS Intune, Sophos and NinjaOne * Schedule and assess vulnerability scans on critical infrastructure * Maintain patching compliance for OS More ❯

Cloud Network Engineer - Azure/Terraform/Palo Alto United Kingdom - fully remote Global HealthTech organisation - over 50,000 employees Up to £75,000 + benefits We’re partnered with a global HealthTech powerhouse that’s transforming the way healthcare data is connected, protected, and delivered across continents. Their Cloud Infrastructure team plays a critical role in maintaining secure … scalable, and high-performance network environments across multiple regions. They’re now looking for an experienced Cloud Network Engineer to join their UK-based Cloud Platform function - someone who can take ownership of Azure networking, automation, and security posture across a large, complex environment. What you’ll be doing Designing, building, and maintaining secure cloud network architectures within Azure (VNETs, Subnets, Routing, Peering, VPNs, and Firewalls) Implementing and managing network security with Palo Alto firewalls and Azure Firewall Using Terraform to manage Infrastructure as Code across network and security layers Working closely with the Cloud Platform and Security Engineering teams to ensure resilience, scalability, and compliance Supporting global network More ❯