226 to 250 of 840 Network Security Jobs in London

Social network you want to login/join with: Lead Cloud Infrastructure Architect, london col-narrow-left Client: UST Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Who we are: Born digital, UST transforms lives through the power of technology. … with business goals, driving the organization's digital transformation. This individual will be responsible for overseeing the overall cloud infrastructure design, management, and administration, ensuring best practices in deployment, security, and cost optimization. The Opportunity : Cloud Infrastructure Design & Architecture : Design and implement scalable, secure, and cost-efficient cloud infrastructure solutions on cloud that meet business requirements. Create and document … manage cloud services, and others to optimize cloud infrastructure. Oversee the monitoring and maintenance of cloud environments, including performance optimization, backup and disaster recovery, and compliance with internal policies. Security & Compliance : Implement security best practices, such as identity and access management (IAM), network security, encryption, and compliance with industry regulations (GDPR, SOC 2, HIPAA). Perform More ❯

with business goals, driving the organization's digital transformation. This individual will be responsible for overseeing the overall cloud infrastructure design, management, and administration, ensuring best practices in deployment, security, and cost optimization. The Opportunity : Cloud Infrastructure Design & Architecture : Design and implement scalable, secure, and cost-efficient cloud infrastructure solutions on cloud that meet business requirements. Create and document … manage cloud services, and others to optimize cloud infrastructure. Oversee the monitoring and maintenance of cloud environments, including performance optimization, backup and disaster recovery, and compliance with internal policies. Security & Compliance : Implement security best practices, such as identity and access management (IAM), network security, encryption, and compliance with industry regulations (GDPR, SOC 2, HIPAA). Perform … regular security assessments, audits, and vulnerability assessments for cloud infrastructure. Infrastructure Automation & DevOps : Develop Infrastructure as Code (IaC) using tools to automate infrastructure provisioning and management. Collaborate with DevOps teams to integrate cloud infrastructure with continuous integration and continuous deployment (CI/CD) pipelines. Performance Monitoring & Optimization : Implement and configure monitoring tools to track the health and performance of More ❯

with business goals, driving the organization's digital transformation. This individual will be responsible for overseeing the overall cloud infrastructure design, management, and administration, ensuring best practices in deployment, security, and cost optimization. The Opportunity : Cloud Infrastructure Design & Architecture : Design and implement scalable, secure, and cost-efficient cloud infrastructure solutions on cloud that meet business requirements. Create and document … manage cloud services, and others to optimize cloud infrastructure. Oversee the monitoring and maintenance of cloud environments, including performance optimization, backup and disaster recovery, and compliance with internal policies. Security & Compliance : Implement security best practices, such as identity and access management (IAM), network security, encryption, and compliance with industry regulations (GDPR, SOC 2, HIPAA). Perform … regular security assessments, audits, and vulnerability assessments for cloud infrastructure. Infrastructure Automation & DevOps : Develop Infrastructure as Code (IaC) using tools to automate infrastructure provisioning and management. Collaborate with DevOps teams to integrate cloud infrastructure with continuous integration and continuous deployment (CI/CD) pipelines. Performance Monitoring & Optimization : Implement and configure monitoring tools to track the health and performance of More ❯

Social network you want to login/join with: Description ThreatConnect is the most comprehensive threat intelligence platform on the market today. Our platform is used by thousands of organizations, and over 40 of the Fortune 100, to help them quickly aggregate, analyze, and act on their threat data to mitigate risk and threats to their network security. … About the Team Our Customer Success team is primarily split between the US and the UK. Required Qualifications 3+ years of customer support experience OR experience in the computer network security industry OR ThreatConnect experience Bachelor's Degree or Master's Degree in Computer Science or a related discipline OR equivalent experience Excellent knowledge of a wide variety … of security solutions and technologies, including Linux, network architecture, implementation, and configuration, firewall technologies,proxy technologies, anti-virus, spam and spyware solutions (Gateway and SaaS), malware/security experience Comprehensive understanding of the intelligence lifecycle, information needs, collection, organization, and priority intelligence requirements Comfortable writing API integrations and working with a variety of technologies in a dynamic More ❯

Management Level Manager Job Description & Summary About this role Our Incident and Threat Operations services are central to this. We support PwC's clients in crisis across our global network to respond, remediate and recover from a wide variety of cyber attacks. We also support clients in developing detection engineering and threat hunting strategies for modern SecOps environments, and … coordination team to provide support to clients at all levels of their organisations. Responsibilities Perform high quality technical analysis, helping our clients to understand what happened during a cyber security incident or data breach. Produce high quality output in a variety of formats, from daily update briefs to full technical investigation reports. Support technical activities such as behavioural detection … excellence of our delivery. Provide mentoring and oversight to the incident response practice to help the team grow and develop. Collaborate and build relationships with PwC's wider Cyber Security practice, sharing insights gained from responding to incidents and helping other teams win and deliver work. Play a role in PwC's global incident response community to support knowledge More ❯

build secure, scalable, and cost-efficient cloud solutions. You will be provided with access to cutting-edge cloud technologies, including AWS serverless computing, Kubernetes orchestration, AI-driven observability, and security automation, keeping you at the forefront of innovation. Your responsibilities: Implement and manage highly available, scalable, and secure applications hosted on AWS Cloud, leveraging multi-region deployment strategies Enforce … AWS security best practices to safeguard data, applications, and systems, including IAM policy design, access management, encryption standards, and compliance audits Design, implement, and manage various DevOps tools and technologies, including CI/CD platforms (Jenkins, GitLab CI), configuration management tools (Ansible, Puppet), and containerization technologies (Docker, ECS, Kubernetes) Monitor system performance, identify bottlenecks, and implement optimizations to improve … reliability and efficiency Develop and maintain Infrastructure as Code (IaC) using Terraform, Ansible, AWS CloudFormation, ensuring consistency, repeatability, and compliance Identify and automate application deployment, scaling, and security processes, reducing manual effort and improving reliability Work with cross-functional teams, ensuring seamless collaboration between DevOps, development, security, and operations teams Troubleshoot complex system issues, analyze logs and performance More ❯

international broadcast services provider. This is a key technical leadership role, responsible for shaping the technology strategy and architectural vision behind innovative, large-scale live event transmissions and broadcast network services. As Senior Architect, you will define and drive the technical roadmap for broadcast transmission and network solutions, ensuring the delivery of robust, scalable, and secure workflows for … premium live events. You will lead the design and architecture of complex broadcast and network systems, evaluate emerging technologies, and provide technical leadership to engineering teams. Key Responsibilities Develop and refine long-term technology strategies, aligning with business goals and industry trends. Lead the design and architecture of advanced broadcast workflows, transmission systems, and network infrastructures. Define and … Lead technology evaluation and vendor selection processes, including proof-of-concepts and technical assessments. Design and optimise live broadcast transmission workflows (encoding, decoding, transcoding, routing, monitoring). Architect robust network solutions for managed and unmanaged environments, focusing on performance, resilience, and security. Drive integration of cloud-based and hybrid solutions for broadcast contribution and distribution. Collaborate with stakeholders to More ❯

international broadcast services provider. This is a key technical leadership role, responsible for shaping the technology strategy and architectural vision behind innovative, large-scale live event transmissions and broadcast network services. As Senior Architect, you will define and drive the technical roadmap for broadcast transmission and network solutions, ensuring the delivery of robust, scalable, and secure workflows for … premium live events. You will lead the design and architecture of complex broadcast and network systems, evaluate emerging technologies, and provide technical leadership to engineering teams. Key Responsibilities Develop and refine long-term technology strategies, aligning with business goals and industry trends. Lead the design and architecture of advanced broadcast workflows, transmission systems, and network infrastructures. Define and … Lead technology evaluation and vendor selection processes, including proof-of-concepts and technical assessments. Design and optimise live broadcast transmission workflows (encoding, decoding, transcoding, routing, monitoring). Architect robust network solutions for managed and unmanaged environments, focusing on performance, resilience, and security. Drive integration of cloud-based and hybrid solutions for broadcast contribution and distribution. Collaborate with stakeholders to More ❯

complex technical environment starting in June 2025. This role requires an individual who thrives in a fast-paced setting and has substantial expertise in managing a high volume of security incidents within a Microsoft security technical environment. This is an interesting opportunity to contribute to a high-profile project in a dynamic and challenging technical environment. You will … work alongside talented professionals and make a significant impact on the organisation's security operations. Key Responsibilities Monitor, analyse, and respond to security events and incidents within the organisation's SOC environment. Identify, investigate, and mitigate potential security threats and vulnerabilities. Provide expert-level incident handling and contribute to continuous improvement of incident response processes. Collaborate with … technical teams to enhance the organisation's overall security posture. Generate reports on security incidents, trends, and system performance for key stakeholders. Proactively recommend security enhancements and best practices specific to Microsoft security tools and systems. Details Permanent appointment Starting circa June 2025) Location: London (Hybrid: 2 days per week onsite in London, remaining remote) Salary More ❯

business Conduct ongoing market research ICT Project Delivery: Lead the design, implementation, and migration of Azure-based infrastructure solutions for ICT projects. Ensure project deliverables align with business objectives, security requirements, and industry best practices. Work with stakeholders to define cloud strategy, roadmaps, and solution architectures. Manage project timelines, risks, and dependencies to ensure on-time and within-budget … Azure CLI, Terraform, or ARM templates. Implement Infrastructure as Code (IaC) to enable repeatable, scalable, and cost-effective cloud solutions. Optimize cloud resources for performance, scalability, and cost efficiency. Security & Compliance: Ensure cloud solutions adhere to security best practices and compliance standards. Implement security controls, RBAC policies, encryption, and network security groups to protect cloud … environments. Conduct security assessments and audits to identify vulnerabilities and implement remediation strategies. Disaster Recovery & Business Continuity: Design and implement disaster recovery (DR) and backup strategies for business-critical applications. Regularly test and validate DR plans to meet recovery time objectives (RTO) and recovery point objectives (RPO). Manage Azure Backup and Site Recovery to ensure data protection and More ❯

and Windows Server 2019 and above, ensuring systems are updated and maintained. Provide O365 support, including a basic understanding of Azure Cloud Services and Azure AD. Assist with network device troubleshooting, including switches and WiFi mesh networks. Provide printer support, including Canon devices and PaperCut management. Support backup operations with Veeam Backup and Replication. Maintain a basic understanding of … Cisco firewalls and ensure network security measures are up to date. Help maintain cybersecurity standards, including ensuring Cyber Essentials certification is current. Perform network and permission audits using software tools, including audits of shared drives. Support SQL Server databases, with SSRS experience being a plus. Provide telephony support for BT OnePhone systems (preferable). Ideal Candidate: A More ❯

of IT Support Technician will lead and manage all day-to-day ICT 2 nd and 3 rd line support activities for multiple schools as directed by the ICT Network Manager and/or ICT Schools Manager. The Support Technician will liaise with Head Office and School staff, the IT Service Desk and other 3 rd line support teams … and service requests. Key Responsibilities Provide 2 nd and 3 rd line support to UK staff, schools staff and students Carry out routine maintenance of all computer hardware and network services to maintain agreed availability. Respond to and resolve IT faults and requests through onsite visits and remote support tools to agreed service levels. Install and configure approved computer … and student user accounts following agreed policies and procedures. Monitor and maintain server back-ups to ensure system and user data is protected and secure. Monitor IT (physical and network) security and report any risks or incidents to School Head teachers, Network Manager or Schools IT Manager Any other reasonably requested duties Person Specification Exceptional customer service More ❯

The IT Security Operations Center's mission is to preserve the confidentiality, integrity, and availability of our assets by identifying operational and security risks and collaborating with business, functional, and customer stakeholders to develop plans that manage risk to acceptable levels. We are currently seeking a Sr. Cyber Incident Response Analyst to join our team. About the Role … Monitor for and investigate suspicious or malicious activity and alerts Review Change Management requests for security relevance and impact Daily review of system, application logs, and custom monitoring tools Malware and Advanced Persistent Threat (APT) analysis and remediation Incident Response and Investigations Availability for rotating on-call shifts (up to 2 - 3 times per year) About You Bachelor's … or equivalent related field experience Professional Certifications preferred, including SANS GIAC or CISSP Microsoft, Linux, Networking or related certifications a plus. Experience in Information Technology Extensive experience in information security incident response and operations management Extensive experience of OS, application, and network security weaknesses, vulnerabilities, and remediation Experience researching, analyzing, and resolving complex problems with minimal supervision More ❯

London, England, United Kingdom 1 month ago (Senior) Software Engineer C# & .NET d/f/m London, England, United Kingdom 6 days ago ASP.NET/Front-End Developer - network security and firewall configuration London, England, United Kingdom 1 day ago Senior .NET Developer with Software Security, SevSecOps, Mainly Remote London, England, United Kingdom 1 month ago More ❯

Encase, XRY, GrayKey, GrayKey, FasTrak, DVR Examiner, Magnet Witness, Griffeye, VeraKey, Cellebrite, Oxygen, etc.); 5-7 years of experience working with or managing deployments of forensic tools within complex network environments; 5-7 years of experience working in investigations involving multimedia, with tools such as DVR Examiner, Magnet Witness, and Griffeye; Experience in private sector Incident Response workflows, EDR More ❯

Role Overview Seeking an experienced Senior Network Engineer with deep expertise in multi-vendor networking and security solutions. Required Skills and Experience Proven expertise in F5 LTM, including load balancing concepts, iRules development, and VIP configuration. Strong background with Fortinet security solutions, especially FortiGate firewall and FortiManager configuration and policy deployment. Hands-on experience with Juniper SRX … firewalls and EX switches. Proficiency with Cisco Nexus 7k switches and Cisco ISE for network access control. Solid understanding of routing, switching, and network documentation standards. Excellent problem-solving, communication, and documentation skills. More ❯

Role Overview Seeking an experienced Senior Network Engineer with deep expertise in multi-vendor networking and security solutions. Required Skills and Experience Proven expertise in F5 LTM, including load balancing concepts, iRules development, and VIP configuration. Strong background with Fortinet security solutions, especially FortiGate firewall and FortiManager configuration and policy deployment. Hands-on experience with Juniper SRX … firewalls and EX switches. Proficiency with Cisco Nexus 7k switches and Cisco ISE for network access control. Solid understanding of routing, switching, and network documentation standards. Excellent problem-solving, communication, and documentation skills. More ❯

An ever growing integration company are on a mission to find a Network Security Engineer to protect digital infrastructure and ensure the integrity of critical systems for well-known utilities and energy companies and as a rapidly growing tech-driven organization, they value innovation, agility and top-tier talent. As a Network Security Engineer, you will … be responsible for designing, implementing, and managing secure network infrastructures. You ll work closely with IT, DevOps, and compliance teams to monitor threats, respond to incidents, and ensure robust protection against cyberattacks. Key Responsibilities: Design and implement secure network architectures (firewalls, VPNs, IDS/IPS, etc.) Monitor network activity for threats and vulnerabilities using SIEM tools Perform … regular security audits, risk assessments, and penetration tests Respond to and investigate security breaches and incidents Stay current with the latest security threats, technologies, and trends Experience required: Bachelor s degree in Computer Science, Information Security, or related field 3+ years of experience in network security or a similar role Strong understanding of TCP More ❯

Network & Security Engineer – Financial Services – £80k + Hybrid (Central London) Permanent | Hybrid (2-3 days in Central London) Our client, a leading player in the financial services sector, is seeking a skilled Network & Security Engineer to join their growing team. This is a permanent opportunity offering up to £80,000 , with hybrid working arrangements based in … Central London . Key Responsibilities Design, implement, and support robust network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate … and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security platforms (ZIA/ZPA). Support VMware SD-WAN (VeloCloud) deployments across branch and remote trading locations. Monitor and optimise network performance (latency, throughput, availability) on critical links. Assist with network automation initiatives and maintain accurate documentation. Required Skills & Experience Deep hands-on experience with multicast routing More ❯

Network & Security Engineer – Financial Services – £80k + Hybrid (Central London) Permanent | Hybrid (2-3 days in Central London) Our client, a leading player in the financial services sector, is seeking a skilled Network & Security Engineer to join their growing team. This is a permanent opportunity offering up to £80,000 , with hybrid working arrangements based in … Central London . Key Responsibilities Design, implement, and support robust network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate … and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security platforms (ZIA/ZPA). Support VMware SD-WAN (VeloCloud) deployments across branch and remote trading locations. Monitor and optimise network performance (latency, throughput, availability) on critical links. Assist with network automation initiatives and maintain accurate documentation. Required Skills & Experience Deep hands-on experience with multicast routing More ❯

Senior Network Specialist with Security and Cisco ?" City London Our Client urgently requires a Senior Network Specialist with heavy background in Network Security on Cisco and Microsoft. The security and support of the company’s network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous … from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need … CISCO multilayer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS/RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. More ❯

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 is More ❯

and throw yourself in the deep end of tech. Within this role, you will report to the Head of security. You will play a senior role within the London network security team responsible for managing the entire infrastructure and networks. You will be able to bring your expertise to the table and work in a shared engineering environment. … This is a fantastic opportunity to join a cutting-edge trading and technology firm that pushes the boundaries of innovation in global markets and offers an environment where a Network Security Engineer can thrive. You'll have the opportunity to work on high-impact projects, protecting the infrastructure that powers industry-leading trading strategies. If you're passionate … about security and want to contribute to a company at the forefront of both finance and technology, this role offers the perfect blend of challenge and opportunity Responsibilities: Play the lead role with the network security team for London Gather requirements, implement solutions and support the global infrastructure Design configure and maintain Cisco ISE Automate security More ❯

Head of IT – AWS/Network Security (FTC → Perm) 📍 London | Hybrid 🕒 Full-Time | 6-Month Fixed-Term Contract (with intent to go permanent) I'm currently recruiting on behalf of a pioneering cloud-native media technology startup that’s transforming how content is created, secured, and delivered globally across VFX and post-production. We’re looking for a … Head of IT – AWS/Network Security to join on an initial 6-month FTC , with the clear intention to convert to a permanent role. This is a high-impact, hands-on leadership position at the intersection of infrastructure, cybersecurity, and creative technology. 🔧 What You’ll Be Doing: Lead secure design, implementation, and scaling of hybrid infrastructure (on … prem, AWS) Own end-to-end network security (VPNs, VLANs, Zero Trust, firewalls) Implement cybersecurity protocols aligned with MPA, TPN, and studio standards Oversee IAM, endpoint protection, encryption, and threat monitoring Support global remote teams and creative tools (Resolve, Adobe, ShotGrid, etc.) Automate IT ops and user provisioning (scripting in Python, Bash, or PowerShell) 🧠 About You: 5+ years More ❯

Head of IT – AWS/Network Security (FTC → Perm) 📍 London | Hybrid 🕒 Full-Time | 6-Month Fixed-Term Contract (with intent to go permanent) I'm currently recruiting on behalf of a pioneering cloud-native media technology startup that’s transforming how content is created, secured, and delivered globally across VFX and post-production. We’re looking for a … Head of IT – AWS/Network Security to join on an initial 6-month FTC , with the clear intention to convert to a permanent role. This is a high-impact, hands-on leadership position at the intersection of infrastructure, cybersecurity, and creative technology. 🔧 What You’ll Be Doing: Lead secure design, implementation, and scaling of hybrid infrastructure (on … prem, AWS) Own end-to-end network security (VPNs, VLANs, Zero Trust, firewalls) Implement cybersecurity protocols aligned with MPA, TPN, and studio standards Oversee IAM, endpoint protection, encryption, and threat monitoring Support global remote teams and creative tools (Resolve, Adobe, ShotGrid, etc.) Automate IT ops and user provisioning (scripting in Python, Bash, or PowerShell) 🧠 About You: 5+ years More ❯