101 to 125 of 129 Network Security Jobs in the South East

support reliable, scalable integrations across Aurora's application estate. Networking and Landing Zone: Design, configure and maintain Azure networking components including Virtual Networks, Network Security Groups, Private Endpoints, DNS, and hybrid connectivity. Ensure network architecture is secure, performant, and aligned to the Landing Zone design. Observability … maintain monitoring, alerting, and logging solutions using Azure Monitor, Log Analytics, and Sentinel. Drive a culture of observability, ensuring platform health, performance, and security events are proactively tracked and acted upon. Governance and Documentation: Actively develop and maintain runbooks, SOPs, and architecture documentation. Contribute to governance practices and ensure ...

automated testing for infrastructure and platform components, including IaC unit/integration tests, deployment validation, policy‐as‐code (Azure Policy, OPA) and IaC linting. Security and compliance Strong understanding of cloud and SaaS security best practices: least privilege, managed identities, secret management, network security, private endpoints ...

Senior IT Systems Administrator (Linux & HPC).**The Opportunity:**The Senior IT Systems Administrator (Linux & HPC) is responsible for the administration, maintenance, security and operational reliability of Linux-based enterprise and high-performance computing platforms. The role will provide hands-on technical ownership across Linux operating systems, HPC compute … workload scheduling and associated storage and network services.A major focus will be the operation of cloud and co-located HPC platforms. The position requires strong Linux engineering experience, practical knowledge of HPC environments, including NVIDIA Base Command Manager, Azure CycleCloud and SLURM. The ability to diagnose complex cross-platform ...

consistent delivery with predictable results. At KBR, We Deliver. The Opportunity The Lead IT Systems Administrator (Linux & HPC) is responsible for the administration, maintenance, security and operational reliability of Linux-based enterprise and high‐performance computing platforms. The role provides hands‐on technical ownership while coordinating and supervising … repositories, filesystems, logging and scheduled services. Automate repeatable administration using shell scripting and configuration‐management or orchestration tooling. Monitor Linux performance, availability, capacity and security, and resolve complex operating‐system and application integration issues. Maintain build standards, technical documentation, operational procedures and recovery runbooks. HPC Platform&Workload Scheduling Operate ...

Stott and May is seeking a Security Infrastructure Engineer to design, configure and maintain security tools across cloud and on‐prem environments within a Defence‐focused setting. The role involves deploying containers and VMs, configuring network security, and engaging client stakeholders. It requires UK SC clearance ...

across our cloud environment. Your primary focus will be Microsoft Azure, complemented by support for Microsoft 365 services. You will help maintain the availability, security, performance and capacity of our services while resolving complex incidents, delivering controlled changes and identifying opportunities to automate and improve how the environment … supported. Working collaboratively with colleagues across Operations, Engineering, Security, Service Management and the Service Desk, you will provide practical technical guidance and contribute to infrastructure projects, migrations and service improvements. Key responsibilities Operate, monitor and continually improve Microsoft Azure and Microsoft 365 services. Provide second- and third-line support ...

migration projects. Perform root cause analysis and manage technical incidents and changes. Maintain technical documentation and follow ITIL service management processes. Work closely with network, security, desktop and application teams. Essential Skills & Experience Proven third-line Infrastructure or Active Directory engineering experience. Strong expertise in either infrastructure …/IP, DNS, firewalls and routing). Strong troubleshooting and root cause analysis skills. Experience working within secure, controlled IT environments. Current, valid DV security clearance is essential. Candidates without DV clearance cannot be considered. Desirable Skills Advanced VMware, Hyper-V or Azure Local experience. RHEL hardening ...

migration projects. Perform root cause analysis and manage technical incidents and changes. Maintain technical documentation and follow ITIL service management processes. Work closely with network, security, desktop and application teams. Essential Skills & Experience Proven third-line Infrastructure or Active Directory engineering experience. Strong expertise in either infrastructure …/IP, DNS, firewalls and routing). Strong troubleshooting and root cause analysis skills. Experience working within secure, controlled IT environments. Current, valid DV security clearance is essential. Candidates without DV clearance cannot be considered. Desirable Skills Advanced VMware, Hyper-V or Azure Local experience. RHEL hardening ...

monitoring, and application data analysis. Deploy and manage virtual machines in highly available settings. Resolve third-line data-related tickets and troubleshoot infrastructure and network issues. Design and implement Azure data protection features, overseeing application architecture suitability. Manage communication with infrastructure partner teams. Create and manage virtual networks with … high performance and security levels. Continuously improve cloud-based solutions and define best practices for deployment and maintenance while ensuring optimal application performance and uptime. About you. To succeed, you will need skills and experiences in the following Proficiency in SQL Server and Microsoft Azure cloud technologies. Experience ...

H.323 protocols. L2/L3 troubleshooting within enterprise environments. Desirable experience: VMware vSphere and vSAN. Kurmi, Telsica and PeterConnects. WAN/LAN networking and network security. Windows environments and general systems administration. If you have strong Cisco Unified Communications experience and are interested in this role or wish ...

H.323 protocols. L2/L3 troubleshooting within enterprise environments. Desirable experience: VMware vSphere and vSAN. Kurmi, Telsica and PeterConnects. WAN/LAN networking and network security. Windows environments and general systems administration. If you have strong Cisco Unified Communications experience and are interested in this role or wish ...

recruiting for a home based Fortinet Engineer to join their team. The role will be within the Networks team with a focus on Fortinet security products. You will be required to: • Install and configure Fortinet products e.g., FortiGate, FortiAnalyzer and FortiManager. • Migration from other Security vendors to Fortinet … with customers and advise on new and existing deployments where possible/appropriate. • Travel to customer sites around the UK and working with the Network security admins. You will ideally be a minimum of NSE4 qualified. NSE-5 or NSE-7 would also be advantageous. Salary ...

validating outputs. Leading technical decisions on architectural direction using a collaborative, team-based approach. Ensuring the architecture takes into account the concerns of security, scalability, compatibility, maintainability — and the responsible, evidenced use of AI in both build-time and run-time. Performing testing of your work, fixing defects … solutions such as DevOps, GIT or similar. Experience of unit testing, code reviews, and other product quality disciplines. Solid understanding of the principles of network security, authentication, and authorization. Experience of working with databases using Entity Framework or similar. Good knowledge of SOLID principles. Experience creating RESTful APIs ...

Carry out installations and configurations of end user workstation hardware, software, networked peripheral devices, cabling, and networking hardware and software products. Conduct updates of network asset management register to ensure records are up to date. Administer and maintain end user accounts, permissions, and access rights as directed by change … requests from the Service Desk and in line with the Network Security Policy. Adopt a proactive approach towards all client activities. Skills: Excellent oral and written communication skills. Ability to prioritise work under pressure and to strict deadlines. Ability to communicate and advise technical/service information ...

Location: Farnborough (100% On-Site) Contract Length: 16th November 2026 - 5th March 2027 Day Rate: Up to £550 per day IR35 Status: Inside IR35 Security Clearance: Active SC Clearance Required Nationality Requirement: Sole UK Nationals Only Hours: 37 Hours per Week The Opportunity QinetiQ is seeking an experienced Server … coordinate IT deployments across multiple secure customer locations. Document configuration of the Farnborough reference environment to support customer deployments. Ensure systems comply with all security, safety and environmental requirements. Support system installation, testing, integration and troubleshooting activities. Assist with validation, acceptance testing and handover activities. Provide on-site technical ...

including Oncology Information Systems (OIS), PACS servers, and other networked medical devices. The ideal candidate brings deep hands-on experience with DICOM-RT standards, network-level system integration, and medical device software development under IEC 62304. You will play a key technical leadership role in defining and implementing … implementation of DICOM-RT interoperability features, including RT Plan, RT Dose, RT Structure Set, RT Image, and RT Ion Plan objects. Architect and develop network API interfaces enabling communication between the treatment delivery system, OIS (OAS,???) and PACS servers. Define andmaintainthe system’s DICOM Conformance Statement and related integration ...

prioritise the backlog, turning business and technical requirements into deliverable outcomes across multiple squads Take new products from pilot to production scale, coordinating engineering, network, security, resilience and datacentre teams What you'll bring Experience of building and launching a cloud compute product or service at scale ...

Group, is a UK-based provider of resilient, always-on business Internet connectivity, delivering 4G/5G, fixed-line, bonded Internet, SD-WAN, and network security solutions to organisations that can't afford downtime. Founded in 2008, the company owns and manages its own Cisco-based core network ...

performance-related issues. Supporting VMware virtualisation and infrastructure services. Implementing automation solutions using tools such as Ansible, Jenkins and GitHub. Working closely with network, security, database and application teams to deliver infrastructure projects. Producing technical documentation, build guides and support procedures. Participating in infrastructure migrations, server deployments ...

performance-related issues. Supporting VMware virtualisation and infrastructure services. Implementing automation solutions using tools such as Ansible, Jenkins and GitHub. Working closely with network, security, database and application teams to deliver infrastructure projects. Producing technical documentation, build guides and support procedures. Participating in infrastructure migrations, server deployments ...

delivery specialists to enable faster, safer decision-making for critical operations. Key focus areas include Azure IaaS/PaaS, AKS, Terraform IaC, RBAC and network security, monitoring with Azure Monitor, and CI/CD pipelines via Azure DevOps or GitHub Actions. 3+ years in IT infra or DevOps ...

site system staging configuration and testing. System commissioning and handover. Planning AV, IP networks, working with the client to ensure IT protocols and network security policies are adhered to. To be fully involved in all onsite installation activities without exception where assigned, this may at times include first ...

seeking a talented Software Engineer with approximately 2-5 years of experience to join an innovative team developing advanced network security solutions. This is an opportunity to work on cutting-edge technology that protects critical digital infrastructure across sectors including defence, security, energy and the public sector ...

Infrastructure Engineer - Security, Resilience & Recovery Milton Keynes (Hybrid, 2 days on site) Contract - outside of IR35 Our client is seeking an experienced Infrastructure Engineer to play a key role in a major business transformation and security programme. This is a hands-on engineering position focused on delivering secure … backup and cyber-recovery platform. Lead disaster recovery testing, cyber recovery exercises and resilience improvements. Remediate infrastructure vulnerabilities, technical debt and unsupported technologies. Strengthen security controls across cloud, server, network and identity platforms. Onboard infrastructure and cloud services into vulnerability management, monitoring and security tooling. Develop technical ...

IT Client Services Analyst London/WFH to £100k Do you have expertise with 1st to 3rd line support within trading environments? You could be progressing your career at a hugely profitable Hedge Fund. This ...