26 to 50 of 69 Network Security Jobs in London

Cloud Security Engineer/GCP Security Expert Contract, 6 months initially (very likely extensions) Inside IR35 Remote (UK) £(Apply online only) per day We're working with a client on an exciting cloud-first transformation and are looking for a GCP Cloud Security Engineer to play … role in securing the migration of workloads into Google Cloud. This is an excellent opportunity to join a forward-thinking environment where security is central to cloud adoption. The Role You will be responsible for designing, implementing, and maintaining security controls across a growing GCP estate, ensuring applications ...

Security Engineer - DevSecOps Rate - £700 - £800 Inside IR35 total to umbrella Duration - 6 months initial with expected extensions Location - London (Three times a week on site) A leading global financial services organisation is looking for an experienced Security Engineer to help design, build and operate secure infrastructure … identity services across cloud and on-prem environments. This role sits within a high-performing Information Security team and plays a key part in strengthening the organisation's security posture. Role Overview: You'll lead on security engineering initiatives, own key security platforms, drive automation ...

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 ...

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. ETrading client operates infrastructure that is genuinely critical - trading systems processing billions in daily notional value, client-facing platforms … serving institutional counterparties, and cloud environments holding sensitive market and counterparty data. This role is for a cloud security architect who has never stopped being an engineer: someone who can model a threat, design the control, write the detection rule, and deploy the fix - all in the same day. ...

Security Operations Analyst £75000 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Cyber Operations Analyst Location: London (hybrid) Salary: Up to £75,000 + on-call compensation We are seeking an accomplished Senior Cyber Operations Analyst to join a high-performing Blue Team operating … forefront of modern security operations. This is a technical role suited to an experienced analyst with strong engineering instincts, hands-on coding capabilities, and a deep understanding of incident response, detection engineering, and adversary tradecraft. This position includes approximately one week per month of on-call availability for high ...

Technical Cyber Security Engineer/Architect (Microsoft Sentinel & M365 Defender) Contract | Inside IR35 | £600 per day 2 days per week on-site | London or Manchester SC Clearance required - ESSENTIAL A large national organisation is seeking a Technical Cyber Security Engineer/Architect (Microsoft Sentinel & M365 Defender) to join … Cyber and Infrastructure team, supporting the SOC (Security Operations Centre), on a contract basis. This is a key role focused on strengthening cyber resilience across enterprise technology, helping to identify, defend against, and recover from evolving threats across cloud, network, and end-user environments. The role You will ...

Role: Network Infrastructure Engineer Location: London Salary: £200k - £400k Total Compensation About the Role: We’re seeking a Network Infrastructure Engineer to design, build, and maintain global network systems. You’ll be responsible for infrastructure reliability, secure connectivity, and hybrid data centre and cloud environments. Responsibilities Design … configure, and maintain network and infrastructure services across global sites. Implement and support secure connectivity solutions, including firewalls, VPNs, and network segmentation. Collaborate with security and infrastructure teams to enhance system reliability and performance. Diagnose and resolve complex issues related to routing, switching, latency, and application delivery. ...

seeking an experienced Azure Platform Network Engineer to design, implement, and secure Azure networking foundations that enable scalable, isolated, and secure AI workloads. The role focuses on advanced Azure networking, private connectivity, and network isolation patterns to support AI platforms and services. This is a hands-on engineering … role requiring deep expertise in Azure virtual networking, security controls, and private connectivity for enterprise-scale and AI-focused environments. Key Responsibilities Design and implement Azure Virtual Network (VNet) architectures, including hub-and-spoke models , VNet peering, and custom routing using User Defined Routes (UDRs) Configure and manage ...

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 ...

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 ...

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 ...

Network and Infrastructure Engineer Up to £50,000 per annum Bromley, Kent Full-Time Permanent About the Role Were looking for a driven and collaborative Network & Infrastructure Security Engineerto join our agile infrastructure team. In this hands-on position, youll take the lead on network engineering … working across disciplines, thrives in a team-oriented setting, and is passionate about delivering robust and secure technology solutions. Key Responsibilities Manage and optimise network infrastructure, including virtual networks, cloud platforms, and WAN technologies. Configure and maintain firewalls, routers, switches, and load balancers. Deploy security and operational updates ...

Cloud & Network Administrator Role Overview We are seeking an experienced Cloud & Network Administrator to join our growing customer as they expand their IT division. This senior-level role is responsible for the design, implementation, and ongoing management of our cloud infrastructure and enterprise network environments. Key Responsibilities … Oracle Cloud platforms Administer cloud-native services including virtual machines, containers, serverless functions and managed databases Implement and maintain infrastructure-as-code (IaC) Network Administration Design, implement and maintain enterprise network infrastructure including LAN, WAN and (site-to-site) VPNs Administer and configure firewalls, routers, switches, and load ...

Network Architect Contract Opportunity - London (1 day per month) - £700 - £725 Inside IR35 Morson Edge have partnered with a large retail client undergoing significant transformation, to recruit an experienced Network Architect to play a key role in shaping and modernising their enterprise network landscape. This … high-impact role where you'll act as the go-to Subject Matter Expert for network technologies, driving architecture, influencing strategy, and supporting delivery across a vast and complex estate. You'll be at the centre of large-scale initiatives, including cloud migration, software-defined networking, and enterprise infrastructure ...

Senior Network Engineer – Arista/Fortinet Location: London Salary: 75-95k€ For one of our clients we’re looking for a skilled Senior Network Engineer to help build and maintain resilient, high-performance network infrastructure that supports critical real-time environments. This position is ideal … engineers with deep routing expertise, strong architectural insights, and experience delivering robust network solutions in demanding enterprise settings. What you’ll do Translate designs into detailed configurations and deployment plans, working closely with architecture leadership to ensure feasibility and operational excellence. Lead implementation of core network infrastructure projects ...

buildouts, with a strong focus on technology infrastructure. You'll be key in coordinating complex deployments across multiple sites, making sure intergration of AV, network, security and facilities systems is seamless! You'll be the central point of coordination between internal IT teams, external vendors, construction partners … concurrent technology rollouts across multiple office locations Develop and maintain detailed project plans, schedules, budgets, and risk logs Work closely with teams across Network, Security, Systems, AV, Facilities, and Construction Ensure effective communication and collaboration across all stakeholders Manage relationships with contractors, integrators, and third-party partners Oversee ...

Sheer Jobs Limited is recruiting on behalf of a local authority client for a Senior Cyber Security Engineer to play a critical role in strengthening and optimising their cyber security function. This position is key to maximising the effectiveness of a newly implemented outsourced SOC (NCC Group), leveraging … Splunk and CrowdStrike. You will provide senior-level technical expertise to enhance security operations, improve threat detection, and upskill the internal team. Key Responsibilities Lead CrowdStrike Falcon deployment, configuration, and optimisation Design and enhance Splunk SIEM dashboards, alerts, and data models Act as an escalation point for major cyber ...

based in London, with hybrid working in place. This team underpins highly available, low-latency platforms that operate across international markets and demand exceptional network performance and stability. The role centres on the design, delivery, and optimisation of complex enterprise networks spanning data centres, campus environments, and cloud platforms. … will be trusted as a senior technical authority, taking ownership of routing architecture, contributing to strategic decisions, and ensuring the network can support real-time, high-throughput workloads. Key Responsibilities: • Design and operate resilient network architectures across LAN, WAN, data centre, and cloud environments • Own and optimise routing ...

Technology Infrastructure and Cybersecurity London Status: Permanent Reports to : Chief Technical Officer (CTO) Direct reports: Technology Operations Managers (EMEA/APAC & Americas), Cyber Security Lead, AV Lead Job Purpose The Director of Technology Infrastructure and Cybersecurity leads the strategy, delivery, security, and continuous improvement of the IFRS Foundation … first model, the infrastructure landscape is primarily delivered through platforms such as Microsoft Azure & Microsoft 365. The Team The Director of Infrastructure and Cyber Security is a global role managing the delivery, management and update of Infrastructure and Cyber Security at the Foundation's 6 offices (Beijing, Frankfurt ...

Skills: Cisco Routing and Switching Router and switches: Cisco NX-OS & IOS-XE, Dell SonicOS Firewall: Fortinet, Juniper, Cisco Project experience preferably in migration Network infrastructure and application flow through firewalled environment Demonstrate an expert understanding of networking protocols including TCP/IP and Ethernet protocols Expert design knowledge … architecture Understanding of IGP & BGP IP Routing Protocol Experience on configuring Cisco NX & IOS-XE platform, DellSonicOS Deep expertise, understanding and knowledge of Infrastructure Network and Security Routing and Switching, Firewalls Strong hands-on experience on Cisco Network Hardware like Cisco NX-OS switches, IOS-XE switches ...

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 ...

focus on hands-on support and projects across on-prem and cloud platforms. Responsibilities will include: Designing and 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 … considered suitable you will need the following skills/experience: Strong background with Palo Alto firewalls (Panorama, NGFW, Prisma Access) Strong enterprise network experience Palo Alto certification - PCNSE Good understanding of network security ...

Title: Senior Infrastructure & Information Security Manager Location: Farringdon, London (Hybrid - 3 days onsite) Salary: £110,000 + generous bonus Overview In this senior leadership role within a high-performing international law firm of 200 users, you will be responsible for owning both infrastructure and information security across multiple … global offices. The Role Lead IT infrastructure (M365, Azure, networks, identity, endpoints) Own the firm’s security programme (ISO 27001, Cyber Essentials, risk, audits, incident response) Manage MSPs, SOC providers, and third-party vendors (SLAs, performance, contracts) Deliver key projects (migrations, upgrades, office setups, DR) Lead and develop ...

Security Engineer - Palo Alto, Terraform Up to £750 per day (Inside IR35) Remote 6 months My client is seeking a hands-on Security Engineer with deep expertise in Palo Alto Networks technologies, particularly around Prisma Access and Strata Cloud Manager. You will play a key role in designing … implementing, and enhancing secure network infrastructure across a large, complex enterprise environment. Key Requirements: Proven experience as a Security Engineer within large, enterprise-scale environments. Strong Palo Alto Networks experience - Prisma Access is essential, with solid hands-on expertise in Strata Cloud Manager. Experience building or tuning policy ...

looking for a hands-on Azure DevOps Engineer with a strong security focus (DevSecOps) to design, implement, and scale secure cloud infrastructure with minimal supervision. An initial 6month, UK based contract working fully remote. The role is ideal for someone who can take ownership of security engineering initiatives … Terraform deployed through CI/CD pipelines. You’ll be working in a modern Azure environment, building reusable, well-structured Terraform modules and embedding security controls across platforms, pipelines, and identity systems. You’ll lead the implementation of security controls across the Azure estate, including: Designing and deploying ...