1 to 25 of 91 Network Security Jobs in the South East

and networking components. Learn how to automate configuration management, infrastructure provisioning, and application deployment. 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 … and optimize automation tools such as Azure DevOps (or other CI/CD pipelines), Terraform, Node-Red, and Packer. Deploy and manage monitoring tools (Zabbix, SolarWinds SentryOne, and other network/database monitoring solutions). Ensure secure cloud infrastructure management across Azure and AWS environments. Operational Excellence: Collaborate with the Infrastructure & Security Manager to deliver projects from conception More ❯

role will also require the Senior Infrastructure Engineer to be part of a team designing and building new IT services and infrastructures and help with improvements in current Server, Network, IT Secruity and Cloud systems. Role Responsibilities: Maintain and enhance IT infrastructure, including VMware ESXi, Linux, Microsoft Windows Server environments, and networking components. Develop and manage automation solutions to … Automate configuration management, infrastructure provisioning, and application deployment. Ensure system reliability, scalability, and performance through proactive monitoring and automation. Deploy and manage monitoring tools (Zabbix, SolarWinds SentryOne, and other network/database monitoring solutions). Maintain and improve local network environments, including Dell servers and Dell switch configurations. Strong technical expertise in Microsoft Active Directory (AD), Windows Server … delivering, and supporting robust, resilient, and secure enterprise infrastructure. Experience with IT audits and compliance frameworks (CIS, PCI DSS, Cyber Essentials, NIST, ISO 27001). In-depth understanding of network security and compliance in regulated environments. Proven ability to secure high-value data (PCI cardholder data, PII) and implement security best practices. Strong networking knowledge (LAN, WAN More ❯

a lifeline. Are you a skilled cybersecurity professional with a passion for aviation or mission-driven charity work? In this role, you'll be responsible for implementing and managing security infrastructure, responding to threats, and ensuring compliance across systems. You'll work with various cyber security solutions while driving security best practices and incident response. If you … Based Role - Ashford, (Kent) UK or Cairns, Australia. UK - £43,800 per annum (dependent on experience) Australia - $85,000 AUD per annum (dependent on experience) Responsibilities As a MAF Security Operations Specialist you will play a critical role in protecting our digital infrastructure. You'll lead the implementation and management of SIEM systems, Fortinet security tools, and endpoint … vulnerability assessments and penetration testing to stay ahead of cyber threats. You'll enhance identity and access management (IAM) by maintaining Active Directory, Entra ID, MFA, and Zero Trust security principles. Your expertise in network security, VPNs, SD-WAN, and Microsoft Defender solutions will help safeguard our systems, while your contributions to incident response, governance, and security More ❯

a lifeline. Are you a skilled cybersecurity professional with a passion for aviation or mission-driven charity work? In this role, you'll be responsible for implementing and managing security infrastructure, responding to threats, and ensuring compliance across systems. You'll work with various cyber security solutions while driving security best practices and incident response. If you … right to work in the UK or Australia. Acceptance of and adherence to MAF's purpose, vision and values is an essential condition of employment. Responsibilities As a MAF Security Operations Specialist you will play a critical role in protecting our digital infrastructure. You'll lead the implementation and management of SIEM systems, Fortinet security tools, and endpoint … vulnerability assessments and penetration testing to stay ahead of cyber threats. You'll enhance identity and access management (IAM) by maintaining Active Directory, Entra ID, MFA, and Zero Trust security principles. Your expertise in network security, VPNs, SD-WAN, and Microsoft Defender solutions will help safeguard our systems, while your contributions to incident response, governance, and security More ❯

Network Engineer Bedford (Hybrid) From £26,890 (based on full 3 days per week) to £44,219 (based on a full 37 hours per week) Contract Type: Permanent, Flexible Part-Time or Full-Time (Flexible Hours Part-Time or Full-Time) Are you a talented Network Engineer looking for a role that fits your lifestyle and ambitions? At … as well as from full-time candidates eager to build on their experience and grow their skill set in a supportive, forward-thinking environment. About the Role As a Network Engineer, youll play a key role in designing and deploying scalable, high-performance network solutions. Youll ensure our infrastructure is secure, reliable, and aligned with industry standardswhile collaborating … with internal teams and external partners to deliver impactful results. Key Responsibilities Design and implement robust network architectures Configure and maintain routers, switches, firewalls, and wireless systems Monitor network performance and troubleshoot issues Conduct security audits and manage firewalls, VPNs, and IDS Maintain clear and up-to-date network documentation Lead network-related projects and More ❯

As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our security posture, and ensuring that new capabilities are securely deployed in alignment … with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp of IT and OT systems, and a passion for continuous improvement in cybersecurity operations. … What you'll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. Develop and maintain cybersecurity engineering documentation, policies, and procedures. Implement and manage security controls across More ❯

As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our security posture, and ensuring that new capabilities are securely deployed in alignment … with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp of IT and OT systems, and a passion for continuous improvement in cybersecurity operations. … What you'll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. Develop and maintain cybersecurity engineering documentation, policies, and procedures. Implement and manage security controls across More ❯

Position - Network Security Engineer Location - Heathrow, UK (4 days from office weekly) Contract - 6+ Months 400GBP/day Inside IR35 Job description "Seeking a Network Security Engineer with expertise in identifying, prioritizing, and remediating network vulnerabilities, including zero-day threats. Role requires a strong security mindset and hands-on experience in securing hybrid infrastructure … including on-premises, cloud, and SD-WAN environments. Candidate must analyze vulnerability reports from tools such as Tenable, Qualys, AWS Inspector, and implement corrective actions. Expected to remediate common network issues such as IP spoofing, default credentials, open ports, unencrypted protocols, and missing firmware patches. Must be familiar with insecure legacy protocols like Telnet and SNMPv1 and enforce secure … alternatives like SSH and SNMPv3. Will apply hardening techniques using CIS Benchmarks, NIST standards, and industry best practices across firewalls, routers, and switches. Responsible for configuring and maintaining network security controls including ACLs, VLANs, DMZs, and micro-segmentation. Ensures management interfaces for network equipment follow least-privilege principles and are protected using strong encryption like TLS 1.2 More ❯

About the job We currently have an exciting opportunity for SeniorNetwork Engineer to join our existing experienced team. What do we look for in a Senior Network Engineer? Do you feel as comfortable building and supporting production LANs as you do global WANs? Can you implement firewall rules from an application's bespoke requirements? Are you a tinkerer able … an organisation working on latest technologies and incorporating solutions in an innovative way? Are you ready to learn about Secure by Design methodologies from a company working in National Security & Defence? Essential Skills: Implementation and Support of; Wide Area Network Architecture Network Routing Protocols - OSPF, BGP Virtual Private Networks (VPNs) and Network Security Infrastructure - e.g. … IKEv2, NGFWs Creating configuration guides and implementing from High Level and Low Level Designs Desirable Skills: Implementation and Support of; Data Centre Network Architecture - Spine/Leaf Fabric, EVPN, BGP, Geneve High Assurance IP Encryptors (HAIPE) Infrastructure Automation and Orchestration technologies (e.g. Ansible, Terraform etc.) Whitebox Network Infrastructure (e.g. Mellanox, Cumulus Linux, Nvidia Networking) Support and Troubleshooting of More ❯

Press Tab to Move to Skip to Content Link This IT Cyber Security Engineer will report to the Cyber Security Engineering Lead and will work within the Information Systems directorate based in our Crawley office. You will be a permanent employee. You will attract a salary of up to £70,000.00 - depending on skills, qualifications and experience and … Tech, and Green Car Leasing Schemes Occupational Health support Switched On - scheme providing discount on hundreds of retailers' products Discounted gym membership Employee Assistance Programme Job purpose: The Cyber Security IT Engineer will evaluate all security solution technologies and toolsets and help develop the security systems within the organisation and will ensure that UK Power Networks data … network, and systems are protected from cyber threats and will comply with the relevant standards and regulations. You will also provide technical support to other security team professionals and partners. Dimensions: UK Power Networks is expanding its presence in Microsoft Azure and is enhancing its on-prem OT Mission Critical Systems. It is important that a secure environment More ❯

data, and make their users more resilient against cyber attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web. We are singularly devoted to helping our customers protect their greatest assets … and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity. It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. The Role The members of our Sales Engineering team are highly valued business … to be at Proofpoint! Your day-to-day Collaborate with the sales team to develop and execute targeted account penetration strategies You will design and champion complex People-Centric Security solutions encompassing the entire Proofpoint portfolio Occasionally assist in professional services deployments and technical training, and present or attend industry seminars and/or trade shows Provide valuable customer More ❯

Job title OT Cyber Security Analyst Ref 40929 Division Digital Transformation Location Hybrid - Clearwater Court - RG1 8DB Contract type Permanent Full/Part-time Full-time Salary Up to £65,000 per annum depending on skills and experience Job grade B Closing date 16/05/2025 We are seeking a highly skilled and experienced OT Senior Cyber … Security Analyst to join our dynamic Security Operations team at Thames Water. As the UK's largest water company, we are committed to ensuring the highest level of security and compliance, protecting the critical infrastructure that delivers essential water services to 15 million customers. In this role, you will be responsible for maintaining SecOps solutions, controls, and … SecOps concepts, technologies, and best practices, specifically across IT and OT environments. You will be tasked with ensuring robust incident management, proactive threat detection, and continuous improvement of our security posture. Strong communication and collaboration skills are essential as you will work closely with cross-functional teams to mitigate risks and protect Thames Water's essential services. What you More ❯

the foundation to success here. You'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients, whom may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities … maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components. Key Responsibilities : Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components. Design, build, and … maintain infrastructure and configuration as code using tools like Ansible and Terraform. Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers. Ensure the security and integrity of our systems against cybersecurity threats. Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security More ❯

An experienced Network Infrastructure Manager is required to lead a critical, large-scale programme delivering enterprise level network and cloud connectivity for a multi-disciplined technology firm who have just received a healthy investment and is looking to grow exponentially over the next few years. This Network Infrastructure Manager role will shape the enterprise-wide network strategy and execution across network architecture, performance, and security. This is a unique opportunity to define the network vision, build out a new best-in-class network team, and lead the implementation of secure connectivity, high-performance LAN, WAN, Wi-Fi, SD-WAN and cloud infrastructure, across multiple UK locations. Key Skills & Experience Required: Extensive experience … at a senior-level in designing and leading network infrastructure and enterprise-scale connectivity Proven experience in building enterprise networks and managed multiple sites that heavily utilise Wi-Fi, as well as upgrading entire network stacks, covering switches, routers, and firewalls Hands-on experience in LAN/WAN, SD-WAN, Wi-Fi, AVoIP, Cisco, Palo Alto, Juniper, HP More ❯

An experienced Network Infrastructure Manager is required to lead a critical, large-scale programme delivering enterprise level network and cloud connectivity for a multi-disciplined technology firm who have just received a healthy investment and is looking to grow exponentially over the next few years. This Network Infrastructure Manager role will shape the enterprise-wide network strategy and execution across network architecture, performance, and security. This is a unique opportunity to define the network vision, build out a new best-in-class network team, and lead the implementation of secure connectivity, high-performance LAN, WAN, Wi-Fi, SD-WAN and cloud infrastructure, across multiple UK locations. Key Skills & Experience Required: Extensive experience … at a senior-level in designing and leading network infrastructure and enterprise-scale connectivity Proven experience in building enterprise networks and managed multiple sites that heavily utilise Wi-Fi, as well as upgrading entire network stacks, covering switches, routers, and firewalls Hands-on experience in LAN/WAN, SD-WAN, Wi-Fi, AVoIP, Cisco, Palo Alto, Juniper, HP More ❯

a strong emphasis on safeguarding identity access. The SecOps Manager is a key figure in the organisation's cyber defence efforts, tasked with identifying, detecting, and responding to information security threats, as well as managing the response to cybersecurity incidents. Working closely with colleagues across IT and the wider organisation, this role ensures the protection of digital and information … assets against a range of internal and external threats. The M365, Identity, and Security functions are central to this position, leading a team of specialist engineers to maintain the secure operation of services and contributing to major projects that impact identity management across the organisation. The post holder also serves as a technical authority within the team and department. … What you'll need to succeed Security Operations & Incident Response Lead security operations services, including monitoring, incident response, threat management, and intrusion detection, using both internal and external resources. Manage the outsourced 24/7 security operations service. Lead the organisation's response to security incidents, coordinating recovery efforts with internal teams and vendors. Establish and More ❯

a strong emphasis on safeguarding identity access. The SecOps Manager is a key figure in the organisation's cyber defence efforts, tasked with identifying, detecting, and responding to information security threats, as well as managing the response to cybersecurity incidents. Working closely with colleagues across IT and the wider organisation, this role ensures the protection of digital and information … assets against a range of internal and external threats. The M365, Identity, and Security functions are central to this position, leading a team of specialist engineers to maintain the secure operation of services and contributing to major projects that impact identity management across the organisation. The post holder also serves as a technical authority within the team and department. … What you'll need to succeed Security Operations & Incident Response Lead security operations services, including monitoring, incident response, threat management, and intrusion detection, using both internal and external resources. Manage the outsourced 24/7 security operations service. Lead the organisation's response to security incidents, coordinating recovery efforts with internal teams and vendors. Establish and More ❯

deploy next-generation infrastructure solutions Lead virtualization optimization using VMware and NSX technologies Technical Excellence Architect robust Windows and Linux environments Optimize endpoint management through Intune and SCCM Enhance network security with advanced firewall configurations Develop powerful automation scripts using PowerShell, Python, and Ansible Your Technical Arsenal Should Include Core Infrastructure Windows & Linux Administration - Expert-level system management … Cloud Platforms - Azure architecture and deployment Virtualization - VMware vSphere and NSX expertise Configuration Management - SCCM and Intune mastery Security & Networking Network Infrastructure - Routing, switching, and firewall management Security Solutions - Fortigate firewalls and VPN technologies Endpoint Security - Advanced threat protection and compliance Automation & Scripting PowerShell - Advanced automation and system administration Python - Infrastructure as code and automation frameworks More ❯

UK School staff and students Support Transformation Projects Work alongside and support strategic technical delivery and IT Solutions Strategy Carry out routine BAU 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, IT Manager Any other reasonably requested duties Person Specification Exceptional customer service and communication skills, including written More ❯

Quality of Service, LBR, AA & CQ. Proficiency in PowerShell scripting, policy management, and regular expressions. Strong understanding of TCP/IP, DNS, DHCP, VLANs, VPNs, Kerberos, DSCP tagging, and network security protocols. Experience with SBCs (e.g., Ribbon/Sonus), analog gateways, SIP phones, and conferencing systems. Familiarity with Windows Server (2016+), IIS, and Microsoft Intune. Excellent troubleshooting, communication More ❯

Senior Network Security Engineer – 3-Month Initial Contract (Extension likely) Location: Onsite in West Drayton/Hayes, UK (5 Days per Week) Start: ASAP IR35: Outside IR35 Security Clearance: Will be sponsored for eligible candidates We’re not looking for just another engineer - we’re after a seasoned Network Security expert who’s ready to … infrastructure at its core. If you thrive in a fast-moving, hands-on environment and want to work with cutting-edge tech, this contract is built for you. Senior Network Security Engineer The Tech Stack You’ll Own: Fortinet SD-WAN – Core to the network transformation Fortinet Firewalls – Design and deployment Cisco Nexus – High-performance switching environments … Cisco Wi-Fi/LAN Routing & Switching – Solid fundamentals essential Firewall & Security Architecture – Design, configure, secure Configuration Mastery – You’ll write and load full network configs What Makes This Role Different? Security Clearance provided – We’ll sponsor you if eligible. Outside IR35 – Work with freedom and flexibility. Real Possibility of Extension – This is just phase one of More ❯

Senior Network Security Engineer – 3-Month Initial Contract (Extension likely) Location: Onsite in West Drayton/Hayes, UK (5 Days per Week) Start: ASAP IR35: Outside IR35 Security Clearance: Will be sponsored for eligible candidates We’re not looking for just another engineer - we’re after a seasoned Network Security expert who’s ready to … infrastructure at its core. If you thrive in a fast-moving, hands-on environment and want to work with cutting-edge tech, this contract is built for you. Senior Network Security Engineer The Tech Stack You’ll Own: Fortinet SD-WAN – Core to the network transformation Fortinet Firewalls – Design and deployment Cisco Nexus – High-performance switching environments … Cisco Wi-Fi/LAN Routing & Switching – Solid fundamentals essential Firewall & Security Architecture – Design, configure, secure Configuration Mastery – You’ll write and load full network configs What Makes This Role Different? Security Clearance provided – We’ll sponsor you if eligible. Outside IR35 – Work with freedom and flexibility. Real Possibility of Extension – This is just phase one of More ❯

Security Engineer Location: Dummer, Basingstoke Salary: £35,000 - £55,000 (Based on Experience) Hybrid (3 days in the office and 2 days from home) Key Tasks: Security assessments: Create and perform security assessments and threat models Security standards: Develop, implement & maintain security standards and plans Vulnerability Management: Research weaknesses and find ways to counter them … Security incident response: Respond to attack vectors and security incidents, and coordinate incident response across teams Security software testing: Test company software, firmware, and firewalls Security software design: Design software security systems like intrusion detection systems and firewalls Security system maintenance: Maintain and proof network security systems Security system analysis: Analyse … security systems and seek improvements on a continuous basis Help develop platforms and tools to automate and improve security posture across the group Skills and Competencies Required: Knowledge and hands-on experience in management of IDS/IPS, Firewall, VPN, EDR/XDR, mail filtering and other security products Experience in Security Information Event Management (SIEM More ❯

Professional Services Engineer/Security Consultant (Cybersecurity) - Remote This is a fully remote/full time position. Salary £65-80k This is a field-based role covering the UK. Are you a network security expert passionate about designing, deploying, and optimising cutting-edge cybersecurity solutions? My client are a leading cybersecurity solutions provider and value-added … reseller, partnering with top vendors like Check Point, Fortinet, Palo Alto, and Juniper Networks. They are looking for a Professional Services Engineer to deliver high-impact security implementations for their clients. The Role: As a Professional Services Engineer, you’ll be the technical authority, designing, configuring, and deploying enterprise-grade security solutions for clients across industries. You’ll … lead end-to-end projects, from pre-sales consultancy to hands-on implementation, troubleshooting, and knowledge transfer—ensuring clients get maximum value from their security investments. What You’ll Do: Deploy & optimise security solutions (Check Point, Fortinet, Palo Alto, Juniper) Lead client implementations, migrations, and upgrades (remote & on-site) Collaborate with sales/pre-sales teams to scope More ❯

There is so much opportunity in the world of IT Defence and this large site now have a brand-new position for a Network Solution Architect. As the solution owner for the full lifecycle of a solution from feasibility to delivery you will make sure the solution has continuity from an architectural and design perspective. Come and build and … implement end-to-end solution/technical design. Provide solution and technical SME mentorship. Provide a customer concern point for design related issues within projects. Align standards, frameworks and security with overall business and technology strategy. Identify, communicate, and address Information Assurance risks. Design security architecture elements to mitigate risks in liaison with Solution Leads. Create solutions that … balance business requirements with information and cyber security requirements. Identify security design gaps in existing and proposed architectures and recommend changes or improvements. What you’ll bring:. Experience of core Cisco Networking technologies covering switching, routing, firewall, wireless(ASA,ACI,NX-OS,IOS etc.). Good knowledge of network orchestration and automation. Concrete understanding of fundamental More ❯