51 to 75 of 90 Network Security Jobs in the South East

Primary Details Time Type: Full time Worker Type: Employee Cyber Security Consultant Permanent London/Hybrid At QBE, our purpose is to enable a more resilient future. We are an international insurer and reinsurer with a local presence in 27 countries. The opportunity We're hiring a Cyber Security Consultant on a permanent, full-time basis based in … London, where you’ll help shape how cyber and information security risks are understood and managed across our business. This is your chance to be part of a global team that’s always one step ahead - keeping QBE safe, secure, and resilient in a fast-moving digital world. Your new role: This is a hands-on, collaborative role where … your curiosity and technical insight will help drive real change. Reporting to the Cyber Security Lead, you’ll work across teams and borders to ensure security is built into everything we do; from day-to-day operations to major transformation projects. Main responsibilities: Leading security assurance, assessments, and advisory for IT and business projects (both Cloud and More ❯

Network Engineer/Administrator - City of London - Large financial services company - Salary up to £70,000 plus bonus and benefits - Hybrid working (3 times a week in London office) A large financial services company are currently looking for an experienced Network Engineer to join their growing team. The role will have responsibility for managing and designing the enterprise … network which stretches globally. Duties will include: - Assisting architects with implementations - Guiding team members on network technologies - Driving enhancements to networks - Modernising infrastructure - Level 3 network technical support - Routing/Switching/Firewall implementations - Integration of switches, routers, wireless controllers, SDN, load balancers, NAC servers and cloud infrastructure - On call rotation support - Network security To … be considered suitable for this Senior Network Engineer role you will need the following skills and experience: - Experience in design and implementation of networks in a large user environment - Strong Cisco background (ideally CCNP/CCIE) - Knowledge of Layer 2 LAN technologies (VLANs, VTP, STP) - Understanding of high availability technology (VPC, SVL, HSRP) - Routing protocols - SDWAN technologies - CIsco Wireless More ❯

in Datacentre relocation or migration would be useful as well in this role Role Responsibilities: Infrastructure: Maintain and enhance IT infrastructure, including VMware ESXi, Microsoft Windows Server environments, and Network Monitoring and networking components. There is some minimal work supporting AWS/Linux server infrastructure as well. Ensure system reliability, scalability, and performance through proactive monitoring and automation. Maintain … and improve local network environments, including Dell servers and Dell switch configurations. Strong technical expertise in Microsoft Active Directory (AD), Windows Server environments, and authentication solutions. Plan for scalability, redundancy, and high availability to support future growth. IT Security & Compliance: Ensure compliance with security and regulatory standards, including PCI DSS, Cyber Essentials+, DORA, and ISO 27001. Implement … and enforce security best practices across infrastructure automation and cloud environments. Maintain accurate compliance documentation, including PCI DSS scope records and security policies. Secure high-value and high-risk data, such as cardholder (PCI) and personally identifiable information (PII). Cloud & Automation (these tools and skills will be taught): Implement and manage Infrastructure as Code (IaC) for cloud More ❯

Senior Specialist - Cyber Security Operations Location: Witham, Essex (full-time, office based) Are you ready to put on the superhero cape of IT? This role is all about keeping digital baddies at bay, strengthening defences, and making sure security operations run like clockwork in a global business. What's in it for you? 30+ days off each year … lip service Performance bonus, pensions, medical cover and more Charity days, matching donations and 'Pay It Forward' initiatives What you'll be doing You'll join a collaborative Cyber Security Operations team and get involved with: Handling Tier II-IV incidents and troubleshooting Change and configuration management Policy optimisation and risk reduction Patch, OS and capacity management Event monitoring … and vulnerability management Security incident response and project support What we're looking for 5+ years in network security within large-scale operations Experience with technologies such as Cisco ASA, FirePower, Palo Alto, Zscaler, BlueCoat, F5 ASM and FireEye Strong skills in analysing network traffic using tools like Wireshark, tcpdump and Fiddler Confident in Unix/ More ❯

Network Architect | Defence Consultancy | Hemel Hempstead | Up to £75,000 + 10% Bonus | DV Clearance Eligibility Required MERITUS are working with a leading Defence consultancy looking for a Network Architect to join a highly secure, fast-paced environment supporting critical national infrastructure projects. This is a varied role where you'll be involved from initial design right through … required. Alongside the technical delivery, you'll also guide and support colleagues, helping to set the direction for project work. If you're confident in designing and building secure network systems and enjoy working in a team where innovation and problem-solving are part of the day-to-day, this could be the perfect next step in your career. … DV (Developed Vetting) security clearance is essential for this role - either already held or eligible to be obtained. The role is based on client site in Hemel Hempstead. Main Responsibilities: Create and deliver detailed high and low-level network designs for complex IP environments. Build and implement solutions using technologies such as Cisco. Act as a point of More ❯

as leaders in their field. Our new position of SOC Shift Lead will direct a team of SOC Analysts, conduct monitoring and triage of alerts associated with host and network security events for our clients critical infrastructure and support the SOC through both delivery of client work and adding skills and ideas to this already diverse team. This … 6PM to 6am, 4 days off. Please note you do need to be eligible for DV Clearance for this role. What you'll be doing: Monitor, triage, and investigate security incidents on critical client infrastructure. In depth analysis of network traffic, logs, and system events to identify potential security threats and vulnerabilities. Line Management. Maintain, improve and … develop team knowledge of SOC tools, security operations and triage. Analyse and improve detection rules and use cases in line with Mitre Att&ck and threat-informed defence. Maintain and update security incident documentation, including incident reports, analysis findings, and recommended mitigation strategies. Represent the SOC within Partners meetings. Ability to work shift from our office in Hemel 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 ❯

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 ❯

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 ❯

CCIE, JNCIE-N, CCDE, PCNSE, NSE 7, NSE 8, Cisco, Palo Alto, Fortinet, Juniper, VMWare, Network Architect, Network Lead, WANS, Network Design, AZURE VPM, Virtual WANS, Firewalls, DNS Social Media can work! This is a new client to Jump, who has contacted us due to shared values after reading our posts! We have been asked to find … an experienced Senior/Lead Network Engineer with strong cloud experience to join our client's growing team. Azure cloud experience preferred, on top of broad networking experience across WANS, Architecture, Firewalls and Network security. This isn't a junior role looking for someone to step up, but more of a seasoned network/cloud network expert. Strong Cisco background preferred (CCIE certified level) or equivalent with Palo Alto, Fortinet, Juniper, VMWare. The ability to lead network projects, sit on key meetings, and share expertise with the team is needed. Candidates must be UK-based as there will be a need for some site visits across the UK. Permanent only. No sponsorship or visa More ❯

Your role will involve All aspects of maintaining and supporting a small Windows based Live Service Network, with a range of hosted applications Provide Level 3rd Line level support and troubleshooting to resolve issues Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network Assist various departments within … the account to maintain network security Establishment and adherence of processes, procedures and work instructions Ensure accurate records are kept of network components, maintenance activities, network connections and inventory by maintaining appropriate databases Provide technical on call support out of hours on a 1 week in 3 basis Your experience Strong knowledge of Windows systems Good … understanding of networks Run and maintained a monthly security patching process PKI knowledge Desirables An understanding of how to account for sensitive material Maintaining a document library Running and understanding daily environment checks This role will require you to be willing and eligible to undergo a high level of UK security clearance Reasonable Adjustments: Respect and equality are More ❯

Position Available: SOC Shift Lead Location: Hertfordshire (on-site, shift-based role) Salary: £65,000 - £72,000 + Benefits Experience needed: Proven background in Cyber Security, with experience leading teams within a Security Operations Centre (SOC) environment. Strong technical knowledge across network security, infrastructure, and operating systems. About the role: We are seeking an experienced SOC … Shift Leader to join a dynamic Cyber Security Operations Centre, providing critical oversight across a 24/7 secure environment. This role is pivotal in ensuring operational excellence, shift continuity, and the highest standards of threat detection and response. You'll work across three rotating teams of Tier 1 and Tier 2 analysts, delivering live operational oversight, quality assurance … mentoring. In addition to hands-on SOC analyst duties, you will play a key role in developing team capability, enforcing standards, and ensuring seamless communication between shifts and wider security functions. This is a senior operational position that blends technical expertise with leadership responsibilities. You'll act as the first point of escalation for your shift, support analysts with More ❯

Because that’s what drives you to be better, be more and ultimately, be more fulfilled. SOC Consultant Hybrid-3 days onsite Requirement: 10+ years of experience in Cyber security Designing & implementation on Network Security, SIEM, SOAR & Threat Intelligence. Key Responsibilities: Lead Sentinel Deployment for OT SOC Architect and implement Microsoft Sentinel across global OT environments to … centralize security monitoring and incident response. Log Source Integration Configure and onboard diverse log sources including Nozomi Networks, firewalls, Cribl, EDR (e.g., Defender for Endpoint), VMDR (e.g., Qualys), and other OT/IT systems into Sentinel. Custom Analytics & Detection Rules Develop, and fine-tune KQL-based analytics rules tailored to OT threat scenarios, ensuring high-fidelity alerts and minimal … to enhance detection capabilities and contextualize alerts within the OT landscape. Incident Response Automation Design and implement playbooks using Logic Apps to automate incident response workflows for common OT security events. Execution of the use cases on SIEM, SOAR & Threat Intelligence Build custom workbooks and dashboards to visualize OT security posture, threat trends, and SOC performance metrics. More ❯

Because that’s what drives you to be better, be more and ultimately, be more fulfilled. SOC Consultant Hybrid-3 days onsite Requirement: 10+ years of experience in Cyber security Designing & implementation on Network Security, SIEM, SOAR & Threat Intelligence. Key Responsibilities: Lead Sentinel Deployment for OT SOC Architect and implement Microsoft Sentinel across global OT environments to … centralize security monitoring and incident response. Log Source Integration Configure and onboard diverse log sources including Nozomi Networks, firewalls, Cribl, EDR (e.g., Defender for Endpoint), VMDR (e.g., Qualys), and other OT/IT systems into Sentinel. Custom Analytics & Detection Rules Develop, and fine-tune KQL-based analytics rules tailored to OT threat scenarios, ensuring high-fidelity alerts and minimal … to enhance detection capabilities and contextualize alerts within the OT landscape. Incident Response Automation Design and implement playbooks using Logic Apps to automate incident response workflows for common OT security events. Execution of the use cases on SIEM, SOAR & Threat Intelligence Build custom workbooks and dashboards to visualize OT security posture, threat trends, and SOC performance metrics. More ❯

Because that’s what drives you to be better, be more and ultimately, be more fulfilled. SOC Consultant Hybrid-3 days onsite Requirement: 10+ years of experience in Cyber security Designing & implementation on Network Security, SIEM, SOAR & Threat Intelligence. Key Responsibilities: Lead Sentinel Deployment for OT SOC Architect and implement Microsoft Sentinel across global OT environments to … centralize security monitoring and incident response. Log Source Integration Configure and onboard diverse log sources including Nozomi Networks, firewalls, Cribl, EDR (e.g., Defender for Endpoint), VMDR (e.g., Qualys), and other OT/IT systems into Sentinel. Custom Analytics & Detection Rules Develop, and fine-tune KQL-based analytics rules tailored to OT threat scenarios, ensuring high-fidelity alerts and minimal … to enhance detection capabilities and contextualize alerts within the OT landscape. Incident Response Automation Design and implement playbooks using Logic Apps to automate incident response workflows for common OT security events. Execution of the use cases on SIEM, SOAR & Threat Intelligence Build custom workbooks and dashboards to visualize OT security posture, threat trends, and SOC performance metrics. More ❯

AWS Cloud Security Engineer – Contract (Inside IR35) Hybrid 2/3 days from the London office We are seeking an experienced Cloud Security Engineer with a strong emphasis on AWS. This is a hands on role, the successful candidate will be responsible for designing, implementing, and maintaining secure cloud infrastructure, ensuring a robust security posture and supporting … continuous delivery of our applications. Key Responsibilities: Design and implement secure AWS cloud infrastructure, focusing on system architecture, Identity and Access Management (IAM), encryption, data protection, and network security. Collaborate with the Information Security and application teams to drive cloud security initiatives and align with the broader security strategy. Enhance and secure CI/CD pipelines … across multiple applications by embedding secure coding and DevSecOps best practices. Develop automation tools and scripts to streamline security processes, monitor key security metrics, and support operational demands. Stay up to date with emerging threats, industry trends, and mitigation techniques to continually improve cloud security controls. Required Skills and Experience: Minimum 3 years in a DevSecOps capacity More ❯

AWS Cloud Security Engineer – Contract (Inside IR35) Hybrid 2/3 days from the London office We are seeking an experienced Cloud Security Engineer with a strong emphasis on AWS. This is a hands on role, the successful candidate will be responsible for designing, implementing, and maintaining secure cloud infrastructure, ensuring a robust security posture and supporting … continuous delivery of our applications. Key Responsibilities: Design and implement secure AWS cloud infrastructure, focusing on system architecture, Identity and Access Management (IAM), encryption, data protection, and network security. Collaborate with the Information Security and application teams to drive cloud security initiatives and align with the broader security strategy. Enhance and secure CI/CD pipelines … across multiple applications by embedding secure coding and DevSecOps best practices. Develop automation tools and scripts to streamline security processes, monitor key security metrics, and support operational demands. Stay up to date with emerging threats, industry trends, and mitigation techniques to continually improve cloud security controls. Required Skills and Experience: Minimum 3 years in a DevSecOps capacity More ❯

AWS Cloud Security Engineer – Contract (Inside IR35) Hybrid 2/3 days from the London office We are seeking an experienced Cloud Security Engineer with a strong emphasis on AWS. This is a hands on role, the successful candidate will be responsible for designing, implementing, and maintaining secure cloud infrastructure, ensuring a robust security posture and supporting … continuous delivery of our applications. Key Responsibilities: Design and implement secure AWS cloud infrastructure, focusing on system architecture, Identity and Access Management (IAM), encryption, data protection, and network security. Collaborate with the Information Security and application teams to drive cloud security initiatives and align with the broader security strategy. Enhance and secure CI/CD pipelines … across multiple applications by embedding secure coding and DevSecOps best practices. Develop automation tools and scripts to streamline security processes, monitor key security metrics, and support operational demands. Stay up to date with emerging threats, industry trends, and mitigation techniques to continually improve cloud security controls. Required Skills and Experience: Minimum 3 years in a DevSecOps capacity More ❯

to join the Technical Services team. You’ll be responsible for designing, building, and maintaining secure and scalable hosting environments to support engineering and software development workloads. Working alongside network, security, and platform specialists, you’ll help deliver state-of-the-art digital solutions in a highly regulated defence environment. Key Responsibilities: Implement, maintain, and enhance infrastructure hosting … for engineering and development environments Carry out physical and virtual infrastructure builds (network, storage, compute) Configure, optimise, and troubleshoot Linux (RHEL) and Windows Server/Desktop environments Contribute to the design and integration of new solutions to meet evolving business needs Support CI/CD tooling and containerised workloads (Kubernetes, Docker) Ensure environments are aligned with governance, security … containerisation, and CI/CD tooling Hands-on experience with Windows Server/Desktop and Red Hat Linux (RHEL) Proficiency with scripting languages (PowerShell, Bash, Python preferred) Understanding of network fundamentals (switching, routing, firewalls, VLANs, VNets) Experience with VMware, Citrix VDI, and virtualised environments Excellent troubleshooting skills with a pragmatic, delivery-focused mindset Familiarity with security classifications and More ❯

Platform Director - Networks Permanent | Fully Remote | Professional Services We're hiring a Platform Director of Networks to lead the global design, delivery, and evolution of network infrastructure for a leading professional services organisation. This is a strategic leadership role overseeing a large, globally distributed team and driving transformation across SDWAN, Cloud WAN, and legacy MPLS environments. Key Responsibilities: Define … and execute global network strategy and architecture. Lead a team of 250+ networking professionals across multiple technologies. Drive transformation from MPLS to cloud-based WAN solutions. Oversee delivery of networking services in a Managed Service Provider (MSP) environment. Collaborate with partners and vendors (Cisco, Juniper, Palo Alto) to shape roadmap and service innovation. Ensure robust network security … What You'll Bring: 10+ years in networking, with MSP and Telco experience. Proven leadership of large, globally dispersed technical teams. Deep expertise in SDWAN, Cloud WAN, MPLS, and network security. Hands-on experience with Cisco, Juniper, Palo Alto, and AWS. CCIE, CCDE or equivalent certification. Strong stakeholder management and strategic planning skills. Eligible for SC clearance. This is More ❯

Our client, a growing enterprise seeking to enhance its IT operations, is looking for an experienced Senior Infrastructure & Security Engineer to take ownership of 3rd-line infrastructure and cybersecurity support. This hands-on role requires deep technical competency, project experience, and a proactive attitude, ensuring stability, security, and efficiency in the company’s IT environment. As part of … shifting toward a more mature enterprise IT framework, leveraging Microsoft 365 and Azure (with AWS experience as a nice-to-have). Key Responsibilities Provide 3rd-line infrastructure and security support, ensuring system reliability and cybersecurity best practices. Design and deploy scalable Infrastructure solutions using cloud platforms such as Azure. Collaborate with 1st and 2nd line engineers, offering mentorship … and technical leadership. Drive solution design, IT operations, and network security in an enterprise-level setting. Utilise virtualisation technologies to optimise system performance and resource efficiency. Work within a customer-facing role, ensuring IT systems align with business needs. Participate in infrastructure transformation initiatives, aligning with enterprise-level standards. Ensure compliance with cybersecurity and regulatory frameworks while implementing More ❯

Design, implementation and developer-level test of UI, server and interface components, using C# in multi-threaded, multi-server environments. Ensuring your code takes into account the concerns of security, scalability, compatibility and maintainability. Performing testing of your work, fixing defects and helping to resolve customer support cases. Have you got what it takes? Solid experience developing ASP.NET web … control solutions such as Azure DevOps, GIT or similar Experience of unit and automated testing using tools such as NUnit, Jasmine and Selenium Solid understanding of the principles of network security, authentication and authorization Experience of working with databases using Entity Framework Good knowledge of SOLID principles Experience creating RESTful APIs and ensuring API extensibility Experience of SOA 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 ❯

Incident Response based in Reading. This role is on an initial 12-month contract basis and is hybrid. The Company Were working with a global technology leader delivering advanced network, security, and digital solutions that help businesses stay connected, resilient, and secure. The Role This role is for a hands-on Senior Digital Forensic & Incident Response Consultantsomeone ambitious … results-oriented and driven to succeed, responsible for: Leading complex forensic investigations into advanced cyber incidents. Acting as the technical SME across at least two forensic domains (e.g. host, network, cloud, memory, or mobile). Delivering incident response assessments and developing IR plans for clients. Designing and facilitating breach simulation and tabletop exercises for senior leadership. Serving as an … incident commander during major cyber crises. Producing forensic reports and actionable recommendations to strengthen client security posture. The Individual Were looking for people who can show: Strong experience in digital forensics and incident response in a consulting or client-facing capacity. Proven ability to lead large-scale investigations and maintain forensic integrity of evidence. Technical expertise in Windows, Linux More ❯

Vulnerability Management Engineer London/WFH to £75k Are you a tech savvy Vulnerability Management Engineer with a broad range of security knowledge? You could be progressing your career at a global, hugely profitable, Investment Management firm. As a Vulnerability Management Engineer you'll perform assessments and communicate findings to stakeholders on the probability of exploitation and potential impact … You'll use Cloud Native Application Protection Platform (CNAPP) technology to assess findings and provide guidance and expertise on fixing issues, collaborating with software engineering teams to instil a security mindset throughout the software development lifecycle through to CI/CD pipelines and making recommendations to developers for securing their code. WFH Policy: You'll join colleagues in the … software and prioritisation of results using a combination of various frameworks tied to internal objects (CVE, CVSS, EPSS, etc.). You have experience of assessing, documenting and communicating Information Security Risk You have a good knowledge of AWS You have a background with network security or secure code development You're collaborative and pragmatic with great communication More ❯