201 to 225 of 341 Network Security Jobs in London

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 ...

access to Cisco’s global resources, enterprise market leadership, and unmatched scale. Our team is the premier technical pre-sales group within the Global Security Sales Organization (GSSO), chartered with introducing Cisco’s most groundbreaking innovations to early-adopter customers and architecting the blueprint for global field distribution. Your … Impact In this role, you will redefine enterprise defense by championing our AI-native distributed security architecture. You will recruit, lead, and inspire an elite, geographically dispersed team of Solution Engineers, leading the technical go-to-market strategy for Hypershield and Isovalent. This is a high-visibility leadership position ...

partnered with an IT consultancy specialising in next‐generation network solutions. This company designs, automates, deploys and supports tailor‐made infrastructure for organisations ranging from agile start‐ups to large enterprises. By combining deep technical expertise with strong vendor partnerships, they deliver custom network architectures, software‐defined networking … automation and security services, all with a flexible, consultative approach. Known for reliability, professionalism and a commitment to understanding each client’s unique needs, they strive to build long‐term partnerships and offer high‐quality service without the premium cost often associated with larger firms We’re seeking ...

Subject Matter Expert (SME) in Windows-based enterprise infrastructures. You'll play a central role in the design, deployment, and support of high-security systems that underpin key defence and aerospace operations.This role is based full-time on site in London and requires DV clearance.**What you will … disruption to services.* Deploy and integrate secure Windows Server environments (Active Directory, Group Policy, DNS, DHCP) using industry best practices.* Implement and maintain infrastructure security measures such as patching, access controls, and hardening to align with compliance and internal governance.* Use monitoring tools to proactively optimize system performance ...

Engineer required for global legal firm. You will be responsible for advancing the maturity of the SIEM platform alongside other strategic security solutions, working closely with internal teams to improve the organisation’s overall security posture. This position focuses on onboarding new log sources, optimising data pipelines, developing … advanced detection use cases, and strengthening overall security monitoring and response. It’s an excellent opportunity for a security professional who enjoys building scalable, high-performing SOC environments and driving continuous improvement. The Role This role also involves contributing to security service improvements and core operational processes ...

Armis from ServiceNow, protects the entire attack surface and manages an organization’s cyber risk exposure in real time. Combined with ServiceNow’s Security and Risk capabilities, as well as Identity Security capabilities from Veza, we bring together all critical capabilities to secure every asset, every identity - incl. … Agents - across all environments with the right level of context - security, operational and business - to build the first of its kind autonomous defense platform for the Agentic Enterprise. ServiceNow started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears ...

This is a hands-on detection and response role at the core of the firm's cyber defense operations. The analyst will primarily triage security alerts and investigate cases end-to-end, while contributing to threat hunting, detection engineering, and the adoption of AI-assisted tooling to improve investigative … every five (5) weeks. This rotation ensures uninterrupted monitoring and response capability across all time zones and handoff points. Key Responsibilities Triage and analyze security alerts from SIEM, EDR, and other detection tooling, prioritizing based on severity, risk, and business impact. Investigate security incidents and cases ...

With your experience as a security engineer, you belong among the elite talents in your industry. Join a vital team at one of the world's most renowned financial institutions. As a Cybersecurity Architect III at JPMorganChase within the Cybersecurity and Technology Controls organisation, you serve as a seasoned … communicate risk and mitigation options using best practices in support of the firm’s business objectives. Job responsibilities Independently performs analysis and reports against security risks to protect data, applications, and infrastructure using modern tools Uses enterprise-authorized AI capabilities within the work environment to accelerate threat modeling, control ...

Markets is looking for an experienced Senior Network & Security Engineer to join our Technology team. This role plays a key part in designing, building and supporting our global network infrastructure, ensuring high performance, resilience and security across on-premise and cloud environments. You will work across ...

Henderson Scott is seeking an experienced Security Architect to support a central government client. You will define and maintain the security architecture, standards and governance that delivery teams use to build and run technology safely. The role requires active SC clearance and eligibility for NPPV3 clearance, with hands … experience in cloud security, IAM, network security and threat modelling. You will contribute to government cyber resilience plans and embed security across major #J-18808-Ljbffr ...

committed to protecting and safeguarding your Personal Data. We have developed policies and processes which are designed to provide for the security and integrity of your Personal Data. We are committed to Processing your Personal Data fairly and lawfully, and being open and transparent about such Processing. For further … source components, both enabling day-to-day research and development, and supporting our 24hr trading. With adoption of AI-agents we are investing in security as a first-class concern. Man has a sophisticated AI platform – MAIA – that offers the best foundation models on our modern technology stack. ...

enhance a modern hybrid cloud infrastructure built on Nutanix technologies. The successful candidate will be responsible for the day-to-day operation, optimisation, security, resilience, and migration of workloads across Nutanix environments while ensuring high levels of availability, performance, and operational excellence. This role requires strong technical expertise across … Nutanix NC2, AOS, AHV, infrastructure operations, disaster recovery, security, and migration activities. The candidate will work closely with infrastructure, security, application, and operational teams to deliver reliable and scalable platforms supporting critical business services. Key Responsibilities: Nutanix Platform Administration Manage and administer Nutanix environments, including ...

Technologies Limited is seeking a Track Lead in AWS Security and Cloud Security to drive operational excellence within the Support & Operations team. The role emphasizes problem-solving, client SLA management, and empowering team members through effective leadership. You will leverage AWS Security and Cisco ASA expertise ...

Select how often (in days) to receive an alert: Product Manager Network Device Hardening and Attack Surface Management. Aggregate function: Technology Business Area: GT Global Cyber Security Posting Country: United Kingdom Full Time/Part Time: Full Time Contract Type: Permanent At Vodafone, we’re working hard … truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference. Role Purpose Global Cyber Security’s role is to inspire trust and confidence in our customers by enabling secure connectivity. Our purpose is to proactively protect Vodafone & its customers by reducing the risks ...

Universal Music Group in London is hiring a Network Engineer to join the Network Build Team. The role focuses on technical ownership and delivery of infrastructure projects and application-focused infrastructure work, including migrations and security configurations. You will design, install, and hand over network security ...

large and complex, we want a life-long partnership, a company our clients and people can rely on. The Role: As Senior Network SecurityEngineer, you will be responsible for the end-to-end design and implementation of security solutions within clients. This will involve working extensively with … team: Essential: A proactive, self-sufficient professional with a strong commitment to continuous learning and the ability to adapt within a rapidly evolving security landscape. Demonstrable experience designing and deploying enterprise security solutions using Cisco and/or Palo Alto technologies. Strong technical capability operating at an equivalent ...

authorized AI capabilities within the work environment to accelerate infrastructure analysis and design documentation, validating outputs and handling operational data according to sensitivity and security requirements. Applies reuse-first, AI-assisted practices within delivery and automation routines to identify recurring issues and validate remediation options, ensuring changes are traceable …/auditable and aligned to resiliency and security expectations. Required qualifications, capabilities, and skills: Formal training or certification on infrastructure disciplines concepts and 5+ years applied experience Hands-on experience in installation, migration and decommission suite of Broadcom (erstwhile Bluecoat) devices including Proxy SG, Secure Web Gateway (ISG), Symantec ...

documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain UK Security Check (SC) clearance. Provide senior consultancy and infrastructure support across multiple managed service customers and technologies. Act as a technical escalation point for Microsoft … backup, monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application ...

documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain UK Security Check (SC) clearance. Provide senior consultancy and infrastructure support across multiple managed service customers and technologies. Act as a technical escalation point for Microsoft … backup, monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application ...

documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain UK Security Check (SC) clearance. Provide senior consultancy and infrastructure support across multiple managed service customers and technologies. Act as a technical escalation point for Microsoft … backup, monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application ...

Security Architect - Central Government - SC Clearance - NPPV 3 Clearance - 6 months - Remote First Are you a Security Architect who holds active SC Clearance available for new projects? I have an immediate opportunity for an experienced Security Architect with our consultancy client to support a central government client … where you will define and maintain the security architecture, standards, and governance that other teams use to build and run technology safely. Your work supports the government's wider cyber resilience plans and keeps security embedded in every major initiative. Due to the urgency and nature ...

focus on creating long-term value by operating in a sustainable and responsible way. Day to day you will: Design, manage and improve Acturis' network infrastructure across data centres, on-premise environments and Microsoft Azure, ensuring systems remain secure, resilient and highly available. Take ownership of core networking technologies … including routing, switching, firewalls, VPNs and cloud connectivity, while troubleshooting complex technical issues and supporting business-critical services. Work closely with cloud, security and infrastructure teams to deliver network improvements, strengthen security controls, automate processes where possible and support Acturis' ongoing cloud adoption. We offer structured development ...

meaning you’ll have the opportunity to make a real impact. Join us and help protect what matters most. As part of our security team, you’ll grow your skills, collaborate with talented colleagues, and make a real impact on our technology risk management efforts. We offer a supportive … responsible forthe LOB risk assessment, governance, standardization, and measurement across all the Cyber domains. Your primary focus will be leading and managing the Security Configuration Management domain. This role ensures that foundational and advanced controls across platform, network, endpoint and application security configuration are governed by clearly ...

tasks Skills/Experience: Essential: Successful experience as a Product Manager, Solutions Architect or in a traditional Technical Pre-Sales role within the Cyber Security industry Strong knowledge of cyber security architectural principles such as defence in depth, resilience, and integrated security operations with the ability … apply security principles to systems and enterprise system designs Proficient in MS & Linux operating systems; good understanding of general operating system security practices, TCP/IP networking and network security concepts Ability to make decisions and resolve problems effectively Seek out information and data to evaluate ...

growth opportunities? Join a leading UK broadcast and satellite media technology provider, part of a major international telecommunications group, delivering resilient and secure network infrastructure for hundreds of live television channels, internet, and private customer networks. The organisation is currently undertaking a major IP migration, modernising legacy broadcast technology … onto carrier-grade infrastructure. The role offers hands-on ownership of a live IP migration project, with exposure across the full network stack, alongside the opportunity to work within a stable, collaborative team of around seven. The position provides a global network footprint across UK and French operations ...