1 to 25 of 83 Network Security Jobs in London

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 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 ❯

Network & Security Consultant (Contract) Location: Fully Remote (UK-based) Rate: Up to £500 per day (Outside of IR35) Duration: 3 months strong potential for extension Our client, a leading cyber security and managed services provider, is seeking an experienced Network & Security Consultant to support the delivery of high-performance, secure infrastructure across enterprise and service … provider environments. You’ll play a key role in designing, implementing and optimising network and security solutions that enhance reliability, scalability and resilience, helping clients strengthen their security posture and operational efficiency. What you’ll do Design, configure and deliver network and security solutions Configure, maintain and troubleshoot routers, switches, firewalls and load balancers Implement … enterprise networking (LAN/WAN, routing, IP, DNS) Strong background in firewall administration (Check Point, Fortinet, Palo Alto, Cisco ASA/FTD) Hands-on experience troubleshooting complex multi-site network issues Professional certifications such as CCNA/CCNP, CCSA or PCNSA preferred Familiarity with ITIL frameworks and multi-client service environments Excellent communication and problem-solving skills Experience with More ❯

IT Security Engineer Feltham (Hybrid) £45,000 - £55,000 Base + Benefits Overview The IT Security Engineer is responsible for designing, implementing, and maintaining the security controls that protect the organization’s systems, networks, and data. This role works closely with IT, DevOps, and business teams to ensure that security is embedded throughout technology operations and … architecture. The IT Security Engineer is key to detecting, preventing, and responding to cybersecurity threats in a proactive and efficient manner. Key Responsibilities: Security Architecture & Implementation Design, deploy, and manage security solutions including firewalls, intrusion detection/prevention systems, endpoint protection, SIEM, and identity management platforms. Implement secure network architecture and enforce segmentation and least-privilege … access controls. Support secure cloud environments across Azure, AWS, or GCP (e.g., IAM, security groups, encryption, KMS). Threat Detection & Incident Response Monitor and analyze security alerts and network traffic for threats or suspicious activity. Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting. Conduct root cause analysis and implement security hardening improvements. 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 ❯

Overview Are you an experienced L3 Network Security Engineer looking for your next contract role? Join one of the world's leading IT services, consulting, and business solutions organization. Founded in 1968, the company consistently ranks among the top global IT service providers. With a presence in over 50 countries, the company has built a reputation for delivering … world's largest airline groups with 600+ aircraft carrying more than 122 million customers to 260 destinations across 91 countries each year. They are currently seeking an experienced L3 Network Security Engineer to join the team on a 6-month contract based in West London. Ready to make a move? Get in touch and apply today! Key Responsibilities … networking issues. Configure and manage wireless infrastructure, ensuring optimal performance and security. Assist in the deployment and maintenance of F5 load balancers. Collaborate with cross-functional teams to support network upgrades, migrations, and performance tuning. Required Skills Expert-level experience with Juniper routing and switching platforms (eg, MX, EX, SRX). Strong understanding of wireless networking (802.11 standards, WLAN 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 ❯

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 ❯

Support Operations Engineer to join their team. Please see below for key details. 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 … 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 ❯

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 ❯

Platform Support Operations Engineer | London | Hybrid 3 days | Permanent 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 Machines, Azure … 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 ❯

Overview A fast-growing hedge fund is building its technology stack from the ground up and seeking a Cloud Network & Security Engineer to take ownership of its cloud networking and security infrastructure. As a Cloud-First, Multi-Cloud company leveraging AWS & Azure, they need an expert to design, secure, and optimize their cloud network architecture. This … is a unique opportunity to build and define the network for a cloud-first hedge fund. If you're a driven Network Engineer looking to make a real impact, apply now! Key Responsibilities This is a blend of design, implementation, and support, giving you the chance to shape and build the network from scratch. You'll be … responsible for: Designing and delivering cloud-based and on-prem network and security solutions Working with Palo Alto Networks (essential), Cisco, or Arista Supporting a multi-cloud (AWS & Azure) and on-prem data center environment Collaborating with the Senior Technology stake-holders to define and implement best practices Helping build low-latency and high-performance networking (HFT experience 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 ❯