26 to 50 of 58 Network Security Jobs in the Thames Valley

IT services. Support incident and problem management processes for monitored systems. Drive continuous improvement by identifying opportunities to enhance monitoring capabilities and operational efficiency. Ensure compliance with audit and security requirements through proactive monitoring practices. Collaborate with application and infrastructure teams to manage technical deliverables and change What You Will Ideally Bring: SC Clearance Proven experience with BMC/… BHOM/TSOM monitoring tools (advantageous but not essential). Strong understanding of monitoring tools, operating systems, and network security concepts. Knowledge of network protocols, security principles, and attack vectors. Hands-on experience with network troubleshooting and Scripting or programming languages. Ability to work collaboratively with cross-functional teams and manage own technical deliverables. Strong More ❯

to multiple UK public sector organisations. Supporting more than 20,000 end users, our mission is to enable secure cloud and end user services guided by our Zero Trust Security Model. Our teams specialise in Identity Verification, Managed Endpoints, Threat Detection, Secure Remote Access, and Adaptive Security Policies, balancing exceptional user experience with enterprise grade security. We operate … the city’s most vibrant areas, surrounded by history, culture, and excellent transport links. High Impact Projects: Work on cutting edge projects in secure cloud adoption and Zero Trust Security across multi-platform estates. Collaborative and Inclusive Culture: We are building a culture where people feel they belong, are supported, and can thrive. Every voice matters, and we actively … Zero Plus, your expertise directly supports national digital services, helping public sector organisations operate securely and confidently in complex environments. The Role We are looking for a Cloud Platform Network Engineer with expertise in Microsoft Azure to design, implement, and manage secure cloud-based network infrastructure. In this role, you will ensure scalable and reliable connectivity across hybrid More ❯

Cloud Security Consultant required for public sector client. You will be designing, implementing, and enhancing security capabilities across AWS and Azure environments. The ideal candidate will have hands-on expertise with cloud-native security and governance tools, Cloud Adoption and Assurance Frameworks, and Well-Architected Reviews. This role will focus on assessing current security posture, defining … Adoption Frameworks aligned with AWS and Microsoft best practices. Conduct and lead Well-Architected Reviews (AWS & Azure) to assess and enhance cloud workloads. Recommend improvements for governance, automation, and security orchestration across both platforms. Evaluate IaC templates (Terraform, ARM/Bicep) for compliance, security, and efficiency. Design and enhance secure landing zones aligned with Microsoft CAF and AWS … best practices. Integrate and optimize use of native cloud security tools including CSPM solutions. Support compliance and control validation automation using AWS and Azure native services. Provide strategic recommendations to improve identity, access, and network security within cloud ecosystems. Collaborate with engineering and DevSecOps teams to embed security by design. Required Skills and Experience AWS Expertise More ❯

days) (Inside IR35) Contract (6months +) The Role Your responsibilities: Patching & upgrading IDS applications on Windows and Non windows operating systems. Reviewing IDS alerts and logs, identifying potential security incidents, and prioritizing actions based on the severity of the threat. Optimizing the performance of the IDS to minimize false positives and maximize its effectiveness in detecting malicious activity. Working … with other IT and security professionals to implement and maintain a comprehensive security strategy. Maintaining clear and accurate documentation of IDS configurations, alerts, and incident responses. Ensuring that the IDS system meets regulatory and industry compliance requirements. Preparing for and completing all required audits. Essential skills/knowledge/experience: Experience of Industrial Defender/Leidos would be … health of the current systems, and (2) Configure new systems to onboard to our capabilities. Desirable skills/knowledge/experience: (As applicable) Understanding of monitoring tools, OS, IDS Network Security Concepts: A strong understanding of network protocols, security principles, and common attack vectors. More ❯

end-to-end Cisco-based solutions across a wide range of enterprise and SMB clients. You'll be client-facing, hands-on focused on consulting, designing, and delivering complex network and security solutions. You'll work closely with architects, project managers, and sales teams to bring high-impact projects to life – from discovery to implementation. Key Responsibilities: Lead … technical design, implementation, and migration of Cisco network and security solutions. Act as a subject matter expert and escalation point for complex deployments. Deliver client workshops, technical documentation (HLDs, LLDs, SoWs), and solution demonstrations. Support pre-sales and bid processes through technical input, solution shaping, and documentation. Collaborate with cross-functional teams to ensure successful project delivery. Provide … technical governance across projects and mentor junior consultants. Required Skills & Experience: Active CCNP (Enterprise & Security) certifications are essential. 5+ years’ experience delivering enterprise Cisco network/security solutions. Cisco Catalyst & Nexus switching (traditional and SDA) Cisco SD-WAN Cisco Secure Firewall, ISE, and SASE/SSE Advanced routing (BGP, OSPF, MPLS, VxLAN EVPN) VPN (IPsec, SSL), NAC More ❯

Lead Network Engineer required by my leading client. Due to a major increase in workload my client is in need of an eperienced Senior/Lead Network Engineer to join the team.They are currently seeking an experienced hands on and original thinking Lead NetworkEngineer to play a crucial role supporting thecore infrastructure as well as thebranch network. You … workable solutions. You'll also be contributing significantly to the Group IT strategy. You will collaborate with cross-functional teams to design solutions that enhance operational efficiency and future network capabilities. You will provide technical leadership, define best practices, and act as a subject matter expert in network automation. Innovative, logical and practical, you must have a number … role, ideally in a fast-moving environment. Exposure to enterprise technology solutions and knowledge of large scale infrastructure transformation and migration activities are essential. Youll be part of the Network Services team, reporting directly to the Network Services Manager. For this role we will need to be Certified to CCNP and NSE4 level. You will have extensive experience More ❯

Cyber Security Project Manager required for education sector client. You will lead and coordinate delivery of key initiatives across our Group Cyber Security Programme. This is a multi-region role, managing projects in areas such as endpoint protection, vulnerability management, IAM, network security, data protection, and cloud security. Key Responsibilities: Oversee and deliver cyber security … Monitor and report project progress, manage risks, and provide delivery assurance. Chair governance forums, escalate critical issues, and ensure visibility of project outcomes. Support testing, handover, and embedding of security controls in operations. Maintain project documentation, RAID logs, and support audits and compliance activities. Skills & Experience: Proven experience managing complex cyber security projects in multi-region/federated … organisations. Strong technical knowledge: endpoint protection, vulnerability management, IAM, network and cloud security. Experience coordinating stakeholders, vendors, and regional IT teams. Excellent project management, organisational, and communication skills. Familiarity with PRINCE2, PMP, or Agile delivery methodologies. Security/cloud certifications (CISSP, CISM, CompTIA Security+, AWS/Azure Security) desirable. Knowledge of NIST CSF, ISO 27001, or CIS More ❯

Our client is a leading Crypto Market Making firm in Algorithmic and Systematic Trading. They are currently seeking a DeFi Security Engineer for their London office. This role focuses on supporting the security of their Crypto trading infrastructure and OTC platform Responsibilities: Conduct vulnerability assessments, threat modeling, and penetration testing across infrastructure, smart contracts, and OTC-specific components … Lead system hardening, network segmentation, identity management, and rapid incident response for DeFi and OTC environments Investigate security incidents and perform forensic analysis, particularly for OTC-related exploits like private key leaks or settlement disputes Design and implement security controls for Linux-based trading systems, DeFi protocols, and OTC platforms handling large-scale, private crypto trades Collaborate … with developers to embed security best practices in code, CI/CD pipelines, containerized environments, and OTC deal workflows Requirements: Bachelor's degree in Computer Science or other related disciplines Over 5 years of experience in security engineering Strong understanding of network security, firewall and VPNs Experience in scripting and automation skills in Python, Bash, or More ❯

and change management; engaging with Application and Infrastructure teams to ensure alignment and resolve issues Desirable Skills: Strong understanding of monitoring tools, operating systems, intrusion detection systems (IDS), and network security principles Good grasp of network protocols, security best practices, and common cyber attack vectors Special Working Conditions Required to travel to office for Adhoc requests More ❯

Overall governance of Azure Infrastructure and Platform. Design and Architecture knowledge for Azure Landing zone. Closely working on IAAS and Platform projects aligned with different support teams, Technical Architect, Security Team, Service Manager through a DevOps board. Management of Azure Landing Zone subscription hosting Infrastructure components. Migration of Application Workload from Legacy Management group and Subscriptions to Azure Landing … and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site for high secure VPN connectivity from end … user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely working With Security Architect and Team More ❯

Job Title : Network Infrastructure Design Engineer – Smart Buildings & Construction Why Join Us? Step into a dynamic technical role at a UK-leading specialist delivering fully integrated network infrastructure solutions across high-profile construction and commercial projects. Here's why this opportunity stands out: Work on Iconic Projects – Play a key role in delivering Smart Building-ready networks across … some of the UK's most prestigious developments. Hands-On Impact – Own the end-to-end design and commissioning of converged network systems, from blueprint to build. Smart Technology Focus – Engage with cutting-edge IP-based building systems including Wi-Fi, security, IoT, AV, and BMS integration. Professional Growth – Access ongoing development and Cisco training within a high … team. Supportive Environment – Collaborate with a knowledgeable, forward-thinking technical and project delivery team that values innovation and precision. Key Role Responsibilities Translate construction drawings and technical specs into network design deliverables; raise and manage RFIs as needed. Develop high-level (HLD) and low-level (LLD) designs for complex, converged IP networks. Prepare Bills of Materials (BOMs) to support More ❯

As a Cyber Security Engineer, you will play a crucial role in safeguarding our clients’ digital assets and infrastructure from cyber threats. You will be a key technical resource, responsible for designing and maintaining secure solutions and delivery systems, ensuring services are configured securely according to industry standards. Skills Proven experience in cyber security engineering or related roles … with a strong understanding of network security principles, protocols and technologies. Experience with security tools such as firewalls, intrusion detection/prevention systems, SIEM solutions (i.e. Splunk, Exabeam, Sentinel, Chronicle) and endpoint security platforms to the level of administration and deployment. Exposure to SOAR tools, observability tools and data stream processing tools Hands-on experience with More ❯

Senior Cloud Network Engineer 👔 Crypto 📍 London (2-3 days p/w) 💵 £100-140k Do you want to work for a rapidly scaling Crypto startup who are backed by one of the top global banks? Do you want to play an integral role in the tech team, utilising both AWS Cloud and Networking skillsets? My client are a … who's cutting edge approach to Trading and Asset Management is making big waves in the wider Crypto space. They now have an imminent requirement for a Senior Cloud Network Engineer to help with the ongoing support and optimisation of their platform. Their ideal candidate would have good knowledge of: Cloud (AWS) Core Networking (LAN/WAN, routing/… switching, firewalls, load-balancing, DNS) Network Security (Perimeter Networks/FWs, Proxies, Remote Access, SASE/VPN, DDoS) Palo Alto Firwalls Automation (Terraform, Ansible) Data Centres/OnPrem Support/Troubleshooting experience In return they would be offering a competitive salary along with a number of top benefits: Generous salary Annual Bonus Private Medical 25 days AL (+ More ❯

Webex & Meetings Engineer + 500 to 600 per day + 6-12 month contract + Hybrid working in UK + SC Cleared role We're seeking a Unified Communications & Network Support Engineer to deliver secure, high-quality collaboration and networking support across classified defence networks. You'll manage Cisco, Microsoft, and AV systems, ensuring resilient communication solutions that meet … stringent security and operational standards. Key Responsibilities Deliver secure IT, AV, and Cisco networking support across classified environments. Administer and maintain collaboration platforms including Cisco Webex, Microsoft Teams, and Skype for Business . Support and configure AV systems such as Cisco P60, Crestron, and Polycom within secure meeting and operational spaces. Manage identity and authentication services via Active Directory … disruption and full compliance with defence standards. Develop and maintain technical documentation, configuration guides, and operational procedures aligned with MOD/Defence Information Assurance frameworks. Troubleshoot complex UC/network issues, working closely with infrastructure, security, and operations teams. Required Skills & Experience Proven experience supporting secure IT and Unified Communications environments (Defence, Government, or similarly regulated sectors). More ❯

Webex & Meetings Engineer + £500 to £600 per day + 6-12 month contract + Hybrid working in UK + SC Cleared role We're seeking a Unified Communications & Network Support Engineer to deliver secure, high-quality collaboration and networking support across classified defence networks. You'll manage Cisco, Microsoft, and AV systems, ensuring resilient communication solutions that meet … stringent security and operational standards. Key Responsibilities Deliver secure IT, AV, and Cisco networking support across classified environments. Administer and maintain collaboration platforms including Cisco Webex, Microsoft Teams, and Skype for Business . Support and configure AV systems such as Cisco P60, Crestron, and Polycom within secure meeting and operational spaces. Manage identity and authentication services via Active Directory … disruption and full compliance with defence standards. Develop and maintain technical documentation, configuration guides, and operational procedures aligned with MOD/Defence Information Assurance frameworks. Troubleshoot complex UC/network issues, working closely with infrastructure, security, and operations teams. Required Skills & Experience Proven experience supporting secure IT and Unified Communications environments (Defence, Government, or similarly regulated sectors). More ❯

Remote Business Sector: IT Job ref: BBBH153240 Post Date: October 22, 2025 Cisco Webex & Meetings Engineer 6-12 month contract SC Cleared role We're seeking a Unified Communications & Network Support Engineer to deliver secure, high-quality collaboration and networking support across classified defence networks. You'll manage Cisco, Microsoft, and AV systems, ensuring resilient communication solutions that meet … stringent security and operational standards. Key Responsibilities Deliver secure IT, AV, and Cisco networking support across classified environments. Administer and maintain collaboration platforms including Cisco Webex, Microsoft Teams, and Skype for Business . Support and configure AV systems such as Cisco P60, Crestron, and Polycom within secure meeting and operational spaces. Manage identity and authentication services via Active Directory … disruption and full compliance with defence standards. Develop and maintain technical documentation, configuration guides, and operational procedures aligned with MOD/Defence Information Assurance frameworks. Troubleshoot complex UC/network issues, working closely with infrastructure, security, and operations teams. Required Skills & Experience Proven experience supporting secure IT and Unified Communications environments (Defence, Government, or similarly regulated sectors). More ❯

within Oxfordshire and the Thames Valley. We pride ourselves on delivering a high level of expertise and customer service across our entire range of products and services that include network security, email and multi-site IT systems. The Technical team handle a wide range of support requests, project commissioning and presales technical enquiries. Key Responsibilities: * Provide 3rd Line … environments using our support and monitoring systems* Research, recommend, plan and implement infrastructure system projects* Administer and maintain key client infrastructure, including Active Directory, Entra, LAN, WAN, Internet access, security and hosted Exchange.* Take responsibility of issues, escalations and requests maintaining customer communication* Diagnose and resolve customer problems* Liaise with third party organisations* Management of customer technical documentation, providing … including (but not limited to): * Microsoft Windows Server 2019 -2025* Microsoft desktop OS Windows 10 and 11 Professional* MacOS, Apple IOS, Android (Desirable)* MS Active Directory* DNS, DHCP and network services* Microsoft Exchange 2010 -2019* Office 365/Azure/Entra/Hybrid including Defender, Intune and security policies* Server Virtualisation (Hyper-V/VMware)* Cloud services including More ❯

within Oxfordshire and the Thames Valley. They pride themselves on delivering a high level of expertise and customer service across their entire range of products and services that include network security, email and multi-site IT systems. The Technical team handle a wide range of support requests, project commissioning and presales technical enquiries. Job Position Summary: Due to … we are looking to recruit another member of staff for the Technical team. The role will involve supporting the IT infrastructure of all our customer base including server, storage, network, data and applications in addition to project work to improve and enhance the customers infrastructure environment. Key Responsibilities: * Provide 3rd Line support to customers via telephone, email and remote … environments using their support and monitoring systems * Research, recommend, plan and implement infrastructure system projects * Administer and maintain key client infrastructure, including Active Directory, Entra, LAN, WAN, Internet access, security and hosted Exchange. * Take responsibility of issues, escalations and requests maintaining customer communication * Diagnose and resolve customer problems * Liaise with third party organisations * Management of customer technical documentation, providing More ❯

MDR MSSP Hybrid 2/3 days in their London Office £90-100k base A leading provider of managed cybersecurity services committed to protecting organisations with their comprehensive security solutions is currently seeking an experienced and dynamic Presales Solution Architect to join their team. This senior role requires a blend of deep technical expertise, strong business acumen, and … need to have: Minimum of 5 years of experience in a presales, solution architect, or similar role within the cybersecurity industry. Extensive knowledge of cybersecurity technologies and solutions (e.g., network security, endpoint protection, SIEM, cloud security). Strong business acumen with the ability to align technical solutions with business objectives. Excellent presentation, communication, and negotiation skills. Proven More ❯

The Ellison Institute of Technology (EIT) tackles humanity's greatest challenges by turning science and technology into impactful global solutions. Focused on areas like health, food security, sustainable agriculture, climate change, clean energy, and robotics in an era of artificial intelligence. EIT blends groundbreaking research with practical applications to deliver lasting results. A cornerstone of EIT mission is its … components for availability, cost, and performance Support R&D activities to test novel approaches and use of Oracle Cloud Support data ingest services from the global distributed sequencing devices network Ensure our platform is secure and aligned with EIT standards Collaborate with architects and engineers to build optimized data platform components, including genomic variant stores, sequence stores, and databases … management of services Ability to automate everything using Terraform and appropriate toolchains In-depth knowledge of containerisation technologies (e.g. Docker) and orchestration tools like Kubernetes Solid understanding of cloud security best practices, including identity and access management (IAM), network security, and encryption Experience with Git or other version control systems Desirable Knowledge, Skills and Experience: Certifications in More ❯

SSIS across hybrid environments. Cloud Transformation & Azure Landing Zone Participate in the migration of databases and data services to an Azure Landing Zone (ALZ)-aligned architecture. Implement private endpoints, network security groups, and role-based access controls (RBAC) in line with Microsoft security best practices. Automation, Monitoring & DevOps Develop and manage automation using PowerShell, Azure Runbooks, and … AZ-305, or equivalent. Experience with Azure Databricks, Data Factory, or other analytics services. Familiarity with ARM templates, Bicep, or other IaC alternatives. Experience working in regulated or security-sensitive environments. Personal Attributes Technically curious and passionate about modernising database practices. Strong analytical and troubleshooting mindset. Clear and confident communicator across technical and non-technical teams. Proactive and solution More ❯

experience of firewalls (ideally Draytek, Meraki) Full UK Drivers licence - essential It would be desirable if the Senior IT Engineer had experience with recognised Microsoft certifications, PowerShell scripting and network security technologies. In this IT Engineer role, you will assist in developing the technical knowledge on the support team with a real passion for IT and providing outstanding More ❯

hands-on firewall consultant to support a high-priority internal project for a confidential client. The role will involve reviewing the existing SonicWall NSA 3600 configuration, providing consultancy on security feature implementation, and delivering full deployment, configuration, testing, and migration of a Sophos XGS 2100 HA setup. The consultant will work closely with local IT resources and may be … required to provide out-of-hours migration support. Key Responsibilities: Review existing SonicWall NSA 3600 configuration and provide design recommendations Deploy and configure Sophos XGS 2100 HA firewalls Implement security feature sets, VPNs, routing, and firewall rules Configure client VPN with SSO to Entra and VPN to Azure Test and validate configuration, traffic flows, and failover Support onsite migration … smooth transition Required Skills & Experience: Proven hands-on experience with Sophos XGS firewalls, preferably in HA setups Experience with firewall replacement/migration, ideally from SonicWall Strong knowledge of network security, including routing, NAT, VLANs, IPS, web filtering, app control, and sandboxing Experience configuring VPNs, SSO integrations (Entra), and Azure connectivity Consultancy experience to review current configurations and More ❯

site duties, eg Manual Handling, Working at Height, Health and Safety training. Other duties assigned as needed Skills and Abilities: Provide technical leadership for the onsite maintenance team. Perform network troubleshooting to diagnose static and dynamic IP addresses Edit software code using audio mixer software to calibrate digital signal processor technology and eliminate echo and feedback. Gather and analyse … certifications (e.g., AVIXA CTS, Creston, Dante, Biamp, Cisco Collaboration Devices) Formal education in Electronics or related field preferred Minimum of a High School Diploma or equivalent preferred Basic IT network security & protocols AVI-SPL is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy More ❯

redhat family OS, including RHEL, Alma and some legacy CentOS Core internet applications protocols – DHCP/DNS Monitoring Systems – Icinga2/Elastic Stack/InfluxDB/Grafana Application and network security best practices – SSH/Iptables/TLS AWS (EC2/VPS/RDS/EKS/S3) Terraform Databases – PostgreSQL/MySQL CI/CD and DevOps More ❯