1 to 25 of 634 Network Security Jobs in the UK

Summary: We are seeking an experienced and strategic Network Security Architect to design secure, scalable, and resilient network architectures across the enterprise. The ideal candidate will possess deep knowledge of : Traditional network infrastructure - LAN; WAN; WIFI etc Cybersecurity including Zero Trust Architecture Cloud Security Architecture Be capable of aligning security controls with business objectives … and compliance requirements. Key Responsibilities: Lead the design and implementation of secure network architectures for on-premises, cloud, and hybrid environments. Define network security standards, frameworks, and policies aligned with industry best practices (e.g., NIST, ISO 27001, CIS). Develop and maintain secure designs for firewalls, VPNs, intrusion prevention systems (IPS/IDS), network segmentation, and … zero trust network access (ZTNA). Collaborate with IT, cloud, and cybersecurity teams to ensure secure integration across systems and applications. Lead architectural reviews and assurance of designs working with System Integrators & partner resources. Conduct threat modeling and risk assessments on network infrastructure and recommend mitigations. Support incident response teams during network-related security incidents and More ❯

Location : Sheffield, UK Type of employment : Permanent/1 year Fixed term contract Mode : Hybrid, 3 days a week in the office Full Stack Network Engineer We are seeking a highly skilled Full Stack Network Engineer to join our IT team, this role demands a deep understanding of both front-end and back-end networking technologies, encompassing the … design, implementation, and maintenance of comprehensive network infrastructures. The ideal candidate will be adept at solving complex networking challenges, ensuring optimal performance, security, and scalability of our network systems. Key Responsibilities Design, implement, and manage network infrastructure including routers, switches, firewalls, and load balancers across various platforms. Familiar with circuit ordering and DWDM deployments Familiar with … site to be used to identify business areas/stakeholders and used as a basis to produce a runbook for migration tasks. Develop and maintain automation scripts to streamline network operations and ensure consistency across environments. Collaborate with cross-functional teams to understand application requirements and translate them into network solutions. Ensure network security by implementing More ❯

Access Service Edge) solutions . Your role will involve working closely with customers to understand their business challenges and technical requirements, providing tailored solutions that integrate our networking and network security technologies. You will collaborate with cross-functional teams, including sales, product management, and engineering, to ensure successful sales engagements and customer satisfaction. Key Responsibilities: Engage with enterprise … customers to assess their security and networking needs, positioning our SASE solutions as the best fit. Deliver compelling technical presentations, product demonstrations, and proof-of-concept (PoC) engagements. Collaborate with the sales team to develop effective sales strategies and drive technical wins. Provide deep technical expertise on network security, SD-WAN, zero-trust architecture, cloud security, and remote access solutions . Assist customers in network architecture design , ensuring seamless integration of our solutions. Respond to technical RFPs/RFIs and support proposal development. Conduct technical workshops and product training for customers and internal teams. Represent the company at industry conferences, webinars, and trade shows . Stay up to date with industry trends, threat landscapes More ❯

Your new company - Financial Services Your new role - Permanent - ON SITE 5 Days per week. - UK OnlyWe are looking for a highly skilled Information technology Security Engineer to join the IT team. As the first line of defence in the IT department, the principal purpose of this job mainly focusses on information security, cybersecurity and data security, including a wide scope, such as physical security of computer rooms, operating system level security of Windows and Linux, network security of firewall and other security devices, application security both development and testing phrase, terminal security, backup security, third party and supply chain security of IT service provider.Liaison with the … Head Office, Security Operation Centre of Data Centre for implementing security policies, projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure best practice and international baseline standards are in place and in line with local regulations.The ideal candidate will be responsible for managing information security More ❯

IT Senior Network Systems Engineer Our Client is a Bank based in the City of London, are looking to recruit an IT Senior Network Systems Engineer ideally with at least 7 to 10 years of experience in IT ideally from within the banking financial industry. You will be working in a small team managing the day-to-day … ensure that the Bank can operate efficiently. The Client would like the following key skills: CCNP level networking Solarwinds ?" Service Desk Software experience Experience of Palo Alto firewalls Firemon ?" Network Security Devices and Policy Management Complex Switches experience is essential. Experience of Avaya PABX systems Responsible for the maintenance of the IT infrastructure of the Bank by providing … to enhance the existing IT infrastructure and also any applications required by the bank. End User Computing support for all staff. Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all More ❯

infrequent, short-term overseas travel, subject to business needs. About Us We are MI6, also known as the Secret Intelligence Service (SIS). Our mission is to protect the security and economic wellbeing of the UK from overseas threats such as regional instability, terrorism, and cyber-attacks. Working across the globe and in close partnership with MI5 and GCHQ … see you providing vital support to this work, within a supportive and encouraging environment that puts the emphasis on teamwork. The Role You will be joining a team of network and infrastructure engineers, which sits within our Infrastructure profession. As a network engineer you will design, build, deploy, manage and troubleshoot Layer 2 and Layer 3 networks and … network services across our global platform. That could mean tackling large-scale enterprise deployments over several months, fulfilling short-term niche requirements or developing the next generation security systems that support our cyber operations. It all adds up to a varied role where you will develop your technical skills, enhance your troubleshooting skills and work with colleagues, customers More ❯

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 ❯

manufacturer renowned for developing and delivering high-quality products and solutions, is seeking a Senior IT Technician to join their team. If you have strong experience in systems administration, network management, and end-user support, we'd love to hear from you! Main Duties of the Senior IT Technician: Provide 1st and 2nd line support for hardware, software and … network-related issues. Install, configure, and maintain servers, workstations, and networking equipment. Monitor system health to ensure optimal performance, availability, and reliability of IT services. Contribute to IT initiatives, including system upgrades, migrations, and new technology deployments. Create and maintain comprehensive documentation for systems, processes, and procedures. Uphold data security standards and ensure compliance with internal policies and … TCP/IP, DNS, DHCP, VPN, VLANs, firewalls, routing and switching Virtualization & Clustering: Microsoft Hyper-V Directory Services: Active Directory, Group Policy Email & Collaboration: Microsoft 365, Intune, SharePoint, Teams Security Tools: Endpoint protection, MFA Backup & Recovery: Veeam, Backup Exec, Windows Backup, cloud-based backup solutions Scripting & Automation: PowerShell ITSM Tools: ServiceNow Hardware: Servers, desktops, laptops, printers, mobile devices, VoIP More ❯

We are searching for an experienced IT Network Engineer to be responsible for ensuring IT networks and communications are well designed, secure, optimal and function consistently across all internal and external operations. The role is offered on a hybrid basis, 3-days in the office and 2-days from home, once probation has been successfully passed. You will therefore … and efficient IT networks and application systems to promote the use of technology throughout the business. In this role you will be responsible for the following: Designing and deploying network services in line with design and security policies. Monitoring and administering the installation and integration of corporate network communications, including routers, switches, firewalls, DMZ, servers, telephony and … the IP space across the organisation ensuring VLANs, IP Subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and optimised. Ensuring best practices are used for protecting network security. Planning lifecycle renewals, 'hotswap' procedures and emergency hardware failure protocols. Providing regular service status updates to line management and agree and monitor service availability targets. Ensuring the active More ❯

Our client is currently recruiting for the position of Senior Network Engineer, based onshore in Aberdeen. This has been released on a 12 month PAYE contract. Responsibilities: Design and deploy scalable and secure network solutions to support the company’s business operations onshore and offshore. Configure and maintain Cisco routing and switching infrastructure to ensure high availability, resilience … Configure and maintain Meraki wireless networks to ensure seamless connectivity onshore and offshore. Implement and maintain Palo Alto Firewalls and Global Protect VPN to ensure the highest levels of network security, access control, and advanced threat prevention. Excellent problem-solving, analytical, and creative thinking skills for diagnosing and resolving complex network issues. Collaborate with cross-functional IT … teams and other departments to support network-related projects, including cloud, complex application delivery, security, and infrastructure initiatives. Maintain up-to-date network diagrams, documentation, and ensure adherence to security best practices and industry compliance standards. Act as your own project manager to ensure your assigned tasks are delivered on-time and to specification. Contribute to More ❯

you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the Team We are the Global Enterprise Network Engineering team at Roku, responsible for designing, deploying, and maintaining a high-performance, secure, and resilient network that keeps our offices running and our engineers productive. We work … cutting-edge technologies, including advanced SD-WAN, high-density WiFi, next-gen firewalls, automation, and cloud networking, to ensure seamless connectivity and operational efficiency. Our team focuses on scalability, security, and performance, enabling Roku employees to innovate without network limitations. Everyteammember contributes to the success of the team,and every decision matters. We aim to make our products … easy and joyful to use for ourcustomers. We are looking for an accomplished Senior Network Engineer that possesses exemplary technical skills, passion for their craft, keen attention to detail, and is not afraid to take on a challenging task. In this role, you will be expected to be self-driven, willing, and capable of taking full ownership of features More ❯

utilise the best digital capabilities of the ServiceNow ITSM tooling product to provide the very best Experience to our Customers. We are seeking an experienced and results-driven Vulnerability & Security Compliance Lead who plays a critical role in ensuring the security and reliability of our customers IT infrastructure. This role is responsible for leading efforts to identify, assess … and mitigate vulnerabilities, ensuring systems and applications are updated with the latest patches and compliance requirements. The role combines technical expertise, process leadership, and strategic planning to maintain strong security hygiene and safeguard our customers technology assets from potential threats. As this is a leadership role, you will ensure the service desk team leader and their analysts have the … suitable tools, schedules and skills to perform the routine maintenance activities. The role will also look to support the development of the wider security operations capability under continual improvement. Vetting Requirements: SC Clearance/CTC Clearance level is mandatory for the role. Key Responsibilities: Develop and execute a comprehensive patch management strategy across all IT systems and applications. Coordinate More ❯

utilise the best digital capabilities of the ServiceNow ITSM tooling product to provide the very best Experience to our Customers. We are seeking an experienced and results-driven Vulnerability & Security Compliance Lead who plays a critical role in ensuring the security and reliability of our customers IT infrastructure. This role is responsible for leading efforts to identify, assess … and mitigate vulnerabilities, ensuring systems and applications are updated with the latest patches and compliance requirements. The role combines technical expertise, process leadership, and strategic planning to maintain strong security hygiene and safeguard our customers technology assets from potential threats. As this is a leadership role, you will ensure the service desk team leader and their analysts have the … suitable tools, schedules and skills to perform the routine maintenance activities. The role will also look to support the development of the wider security operations capability under continual improvement. Vetting Requirements: SC Clearance/CTC Clearance level is mandatory for the role. Key Responsibilities: Develop and execute a comprehensive patch management strategy across all IT systems and applications. Coordinate More ❯

mission to secure the Enterprise of Things with active defense by identifying, segmenting, and enforcing compliance of every connected thing in a real-time and at scale. Our unified security platform enables enterprises and government agencies to focus on Zero Trust segmentation, IT/OT convergence, and OT/ICS innovation, all supporting our mission and vision. Join us … We are looking for resourceful individuals to collaborate as one team while ensuring a world-class customer experience. We are cyber-obsessed about addressing the world's most challenging security problems. Innovation starts here, everyone's ideas are valued, visionaries welcomed! What You Will Do Forescout is seeking a highly experienced Senior Pre-Sales Engineer to join our sales … solutions that address complex customer challenges. The ideal candidate combines strong technical skills with strategic sales acumen and proven success in influencing complex buying decisions within the cybersecurity and network security markets . Key Responsibilities: Customer Engagement: Engage directly with enterprise customers to understand their business challenges and technical requirements, tailoring Forescout's solutions to meet those needs More ❯

will join a team of10 talented and welcoming colleagues. You will play a key role in offering high-quality end-user assistance by addressing and fixing intricate hardware, software, network, and infrastructure challenges - both onsite and online. Your special-ized knowledge will ensure the smooth operation of IT systems and infrastructure, high availability, performance, and security of all … network and infrastructure components, contributing to business conti-nuity, efficiency, scalability and user satisfaction. You will be responsible for the installation, configuration, and maintenance of desktops, laptops, printers, and mobile devices across the organization. You'll play a critical role in both onsite and remote monitor-ing of system, infrastructure and network performance, consistently tracking and addressing poten … access and security. In addi-tion to your technical duties, you'll be tasked with documenting procedures, troubleshooting steps, and best practices, as well as maintaining up-to-date network configuration records and operational docu-mentation to support scalability and continuity. You will be collaborating with vendors and external support providers on activities such as hardware pro-curement, implementing More ❯

client, a global manufacturing business whose UK site is based in North Wales, for their new Senior IT Technician. As the UK’s sole manufacturing facility within their global network, they have been at the forefront of developing and producing high-quality products and solutions for decades. Our client is looking for you to provide expert technical support, oversee … critical IT infrastructure, and mentor the junior member of the team to ensure seamless operations. To be successful, you will bring deep expertise in systems administration, network management, and end-user support, paired with a proactive mindset and a passion for continuous improvement. Main Duties and Responsibilities • Provide tier 2 and 3 technical support for hardware, software, and network issues. • Install, configure, and maintain servers, workstations, and network equipment. • Monitor system performance and ensure high availability and reliability of IT services. • Participate in IT projects, including system upgrades, migrations, and deployments. • Maintain and update documentation for systems, processes, and procedures. • Ensure data security and compliance with internal policies and external regulations. • Mentor junior technicians and provide More ❯

expert technical support, oversee critical IT infrastructure, and mentor the junior member of the team to ensure seamless operations.To be successful, you will bring deep expertise in systems administration, network management, and end-user support, paired with a proactive mindset and a passion for continuous improvement. Performance Objectives Provide tier 2 and 3 technical support for hardware, software, and … network issues. Install, configure, and maintain servers, workstations, and network equipment. Monitor system performance and ensure high availability and reliability of IT services. Participate in IT projects, including system upgrades, migrations, and deployments. Maintain and update documentation for systems, processes, and procedures. Ensure data security and compliance with internal policies and external regulations. Mentor junior technicians and … TCP/IP, DNS, DHCP, VPN, VLANs, firewalls, routing and switching. Virtualization & Clustering: Microsoft Hyper-V. Directory Services: Active Directory, Group Policy. Email & Collaboration: Microsoft 365, Intune, SharePoint, Teams. Security Tools: Endpoint protection, MFA. Backup & Recovery: Veeam, Backup Exec, Windows Backup, cloud-based backup solutions. Scripting & Automation: PowerShell. ITSM Tools: ServiceNow. Hardware: Servers, desktops, laptops, printers, mobile devices, VoIP More ❯

ensure that the Bank can operate efficiently. The Client would like the following key skills: CCNP level networking Solarwinds ?" Service Desk Software experience Experience of Pal Alto firewalls Firemon ?" Network Security Devices and Policy Management Experience of Avaya PABX systems Responsible for the maintenance of the IT infrastructure of the Bank by providing first line support of software … to enhance the existing IT infrastructure and also any applications required by the bank. End User Computing support for all staff. Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all … to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions Overall networking equipment monitoring (i.e. Network Switches, Firewall and other appliances) and support To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness To More ❯

A leading independent logistics provider is seeking a Network Security Engineer with expertise in Cisco DNA and Cisco Firepower to join its team. This role is 80% focused on network security, encompassing both project work and business-as-usual (BAU) operations to maintain a secure and efficient network infrastructure. Hybrid work model - work from home … with 2 days per month in Dartford. Ready to take on a key role in securing a dynamic network environment? Apply now and be part of a team driving innovation in logistics technology! Responsibilities Deploy, maintain, and optimize network and security platforms, including routers, switches, firewalls, IDS/IPS, and cloud technologies. Manage Cisco-based network security, including firewalls, VPNs, and NAC. Monitor network traffic, troubleshoot issues, and improve efficiency. Implement and manage secure remote access and VPN solutions. Oversee PKI management, certificate issuance, and revocation. Recommend and deploy network/security enhancements. Develop technical specifications, rollout plans, and provide BAU support. Collaborate with IT and cybersecurity teams and work with More ❯

Role: Network & Security Engineer Rate: Inside IR35 Location: Full time onsite in Harmondsworth, West Drayton Duration: 6-months initially The Role We are looking for Network L2 and L3 admins for one of the major airlines in the UK. This role is customer-facing and requires strong technical hands-on and good communication skills as outlined below. … OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines * Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware, software, and alerts events. * Triage or troubleshoot the issues & incident, within the defined areas. Follow Standard Operating Manuals and coordinate with … resolutions. * Develop strong relationships with the customer and all other support departments. * Experience in supporting the Cisco WLAN Controllers, SSID and Access Points * Experience on Implementing and troubleshooting Firewalls Security, VPN's, NAT policy, Software Patch management * Configuring and troubleshooting routing & switching protocols: Set up and troubleshoot protocols like OSPF, BGP, EIGRP, VLANs, STPs, VRF, MC-LAG, FHRP, DMVPN More ❯

Job Title: Network Engineer Level 3 Location: London, UK Duration: 6-month contract (Inside IR35) Working Mode: Hybrid Job Description: This position is responsible for supporting the design, configuration, monitoring, and maintenance of network hardware, systems, and software. It includes preparing documentation for future reference and ensuring timely communication regarding network security and other issues. Essential … Duties: Develop and implement detailed logical designs in areas such as routing and switching, network security and firewalls, multicast architecture, MPLS, and SD-WAN (preferably). Develop secure network designs, maximizing the usage of routers and switches. Analyze traffic behaviors, identify, and resolve congestion or traffic issues. Establish procedures and best practices for data backups and disaster … recovery operations. Monitor network performance and determine necessary adjustments and future changes. Collaborate with internal and external customers to fill information gaps and communicate architecture, technical solutions, and DC audits. Work closely with the HQ Network team, updating the HLD and LLDs as needed, with hands-on experience in MS-Visio. Manage lifecycle activities like patching, firmware and More ❯

Senior Network Engineer Cisco LAN WAN VPN Hybrid South Wales Location: South Wales Type: Permanent Working Pattern: Hybrid (one day per week or fortnight onsite) Salary: £47000 to £53600 plus 23.7 percent pension and excellent benefits We are seeking a highly skilled Senior Network Engineer with proven experience in Cisco networking technologies to join a progressive and collaborative … secure LAN WAN and VPN infrastructure across a large and complex environment. Key Responsibilities Lead operational management of enterprise-wide voice and data networks Configure, maintain, and support Cisco network infrastructure including switches, firewalls, and access points Deliver secure and efficient VPN WAN LAN and wireless networking solutions Support and maintain voice systems including VoIP platforms Collaborate with technical … teams and stakeholders on strategic digital transformation projects Ensure service continuity, system resilience, and cyber security best practices Required Skills and Experience Strong practical experience with Cisco technologies in a senior or lead role Deep understanding of network design configuration and troubleshooting Proficiency in managing LAN WAN and VPN environments Experience with network security including firewalls More ❯

IT Security Engineer - prem AD, EntraID, M365, IDAM solutions, SentinelOne, CrowdStrike, Defender, Routing/Switching, WAN, Wi-Fi, Cisco Our leading global law firm client are recruiting for an IT Security Engineer (prem AD, EntraID, M365, IDAM solutions, SentinelOne, CrowdStrike, Defender, Routing/Switching, WAN, Wi-Fi, Cisco) on a 12 month fixed term contract basis to support … the Information Security team to ensure continuous security improvement. The Security Engineer will report to Information Security Operations Manager and work with the Information Security Operations team for implementing and maintaining our security controls and tools. Work collaboratively with other departments to improve our security posture. They will be specifically responsible for completing … the implementation of a number of strategic based security solutions for new security tooling or existing. The engineer will also participate in security related service management processes (incident, change and problem management) and will participate in the planning, design, enforcement and review of security controls which protect the integrity of the firm. Essential Duties and Responsibilities 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 ❯