451 to 475 of 642 Network Security Jobs in the UK

Clearance: Active SC Role Description: SIEM Deployment & Management - Set up, configure, and maintain SIEM tools like ArcSight, Splunk, or QRadar. Threat Detection & Analysis - Monitor security logs, detect anomalies, and investigate potential threats. Incident Response - Work with security teams to analyze and mitigate security incidents. Custom Rule Creation … Develop and fine-tune detection rules and alerts to identify malicious activities. Security Reporting - Generate reports on security events, trends, and system performance. Collaboration - Work with IT and security teams to improve overall cybersecurity posture. Required Skills & Qualifications Technical Expertise - Strong knowledge of SIEM platforms, network ...

+ Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution centres and operational sites running around the clock. This is a rare hybrid … enterprise IT security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with real influence: you'll set technical direction, raise engineering standards and build out the organisation ...

+ Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution centres and operational sites running around the clock. This is a rare hybrid … enterprise IT security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with real influence: you'll set technical direction, raise engineering standards and build out the organisation ...

huge amount of experience in a short space of time and will also have the opportunity to be put through a range of security certifications. In this role we are looking for a person who can demonstrate strong technical background, experience in incident response and digital forensics … improve both your management and technical skills. Strong technical competency and experience of managing a range of complex cyber incidents; from ransomware to advanced network intrusions is a pre-requisite. Our clients expect that cyber-incidents will be tackled with urgency, therefore, there is an expectation that you will ...

Network Engineer (Cisco ISE & Wireless) Contract | Hybrid | Defence Sector Our client, a leading UK defence technology organisation, is seeking an experienced Network Engineer to support the design, implementation and optimisation of secure enterprise network infrastructure. This is a hands-on engineering role focused on Cisco Identity Services … Engine (ISE) , Cisco Catalyst 9800 Wireless LAN Controllers , secure network access and enterprise wireless technologies. You'll work on critical infrastructure projects, helping to modernise and secure highly available network environments. Key Responsibilities Deploy and optimise Cisco ISE and Catalyst 9800 wireless solutions. Lead wireless infrastructure upgrades ...

qualifications: Bachelor's degree in Computer Science, Engineering, a related technical field, or equivalent practical experience 5 years of experience with data center or network infrastructure planning, evaluation and negotiations including new region launches. Experience evaluating technical cloud infrastructure requirements (e.g., power density, thermal/cooling specifications, fiber network connectivity, or latency) to recommend data center or network footprint solutions. Experience driving cross-functional programs and influencing C-level executives and stakeholders across global organizations. Preferred qualifications: Experience leading data center expansion or network infrastructure planning in a hyperscale cloud environment. Experience leading technical site evaluation ...

Senior Security Engineer - IT & OT (39810) London or Nuneaton | Full-time | Hybrid We offer hybrid working, with an expectation that you'll attend one of our Holland & Barrett offices in London or Nuneaton (or another designated location) on an ad hoc basis, as required for business needs. Back your … operational environments running securely. Working at the intersection of enterprise IT and Operational Technology (OT), you'll lead the design and delivery of security solutions that safeguard business-critical systems while enabling innovation. This is an opportunity to shape our IT and OT security capability, influence technical direction ...

Senior Systems Engineer (Network Technologies Specialist) Location: Ringwood, Hampshire Salary: £45,000 - £55,000 Hours: 37.5 hours per week The Role We are looking for an experienced Senior Systems Engineer (Network Technologies Specialist) with a keen interest in designing and delivering high-quality network solutions. You will … firewalls, and routing solutions. Strong knowledge of enterprise networking technologies, including switching, routing, firewalling, and wireless infrastructure. In-depth experience working with enterprise-grade network hardware. Solid understanding of network protocols and services, including TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, and MPLS. Experience with cloud networking ...

. Bachelor's degree in Computer Science, Engineering, a related technical field, or equivalent practical experience 5 years of experience with data center or network infrastructure planning, evaluation and negotiations including new region launches. Experience evaluating technical cloud infrastructure requirements (e.g., power density, thermal/cooling specifications, fiber network connectivity, or latency) to recommend data center or network footprint solutions. Experience driving cross-functional programs and influencing C-level executives and stakeholders across global organizations. Preferred qualifications: Experience leading data center expansion or network infrastructure planning in a hyperscale cloud environment. Experience leading technical site evaluation ...

+ Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution centres and operational sites running around the clock.This is a rare hybrid of enterprise … security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with real influence: you'll set technical direction, raise engineering standards and build out the organisation ...

Management Center (SMC). Experience with other SaaS based Secure Gateway vendor e.g. Zscaler, Netskope etc Ability to build, test and deploy proxy-based security solutions Good understanding of network infrastructure, network security concepts and application layer protocols (http/https) and vulnerability mitigation Good understanding … automation of a Proxy environment and understanding and comfortable working on shell/python scripts and Ansible playbooks. Expertise of networking fundamentals including Network topology, VLANs, Routing, Switching, Global/Local Load Balancing and Firewalls. Flexible to work off hours and weekends in 24x7 on-call rotation. Preferred Qualifications ...

Network & Systems Engineer Watford | £52,000 | Permanent | Onsite Experis are working with a client based in Watford who are looking to recruit an experienced Network & Systems Engineer into their established IT team. This is a broad, hands-on infrastructure role covering both networking and Microsoft technologies, with … will support a business-critical infrastructure environment and work across a mixture of on-premise and cloud technologies. Key responsibilities Support and maintain Cisco network infrastructure Provide 3rd line support across server and network environments Support Windows Server and Active Directory technologies Support Azure and Microsoft 365 environments ...

+ Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution centres and operational sites running around the clock. This is a rare hybrid … enterprise IT security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with real influence: you'll set technical direction, raise engineering standards and build out the organisation ...

focused Systems Engineer to support our UK Service Provider business, working alongside our sales teams to engage directly with leading telecommunications service providers and network operators. In this customer-facing pre-sales role, you'll partner directly with customers to design, position and demonstrate Fortinet's market-leading cybersecurity … solutions across large-scale, carrier-grade environments.Our roles span specialisms including multi-tenant security architectures, SOC technologies, cloud security, SASE, SD-WAN, and broader cybersecurity design for service delivery. We are committed to building a team that reflects the diversity of the partners and customers we support.As ...

technical infrastructure setup for new store openings, refits, relocations, and brand pop-ups across Europe. This includes configuring and deploying POS hardware, network printers, scanners, mobile tablets, and payment terminals. Store Network Connectivity: Deploy and optimize local in-store networks, focusing on stable retail WiFi, localized LAN environments … technology failures, proactively monitoring uptime and troubleshooting device, data feed, and connectivity drops to minimize commercial downtime. 2. Warehouse Tech Readiness & 3PL Coordination Logistics Network Engineering: Act as the primary technical point of contact during third-party logistics (3PL) partner onboarding, warehouse moves, and facility expansions. Secure Environment Bridging ...

Product Manager for Business Partner (B2B) Connectivity you will own the strategy, roadmap, lifecycle, risk posture, and stakeholder outcomes for the enterprise network product that enables secure connectivity with external business partners, financial market participants, financial exchanges, vendors, and other third-party ecosystems. The role requires a rare blend … product leadership, deep network architecture credibility, financial-services domain awareness, and the ability to lead cross-functional teams through complex, regulated, high-availability connectivity outcomes.• Business Partner Connectivity is a service-based external networks product that sits at the intersection of lines of business, network architecture and engineering ...

critical infrastructure services that underpin business operations. This role offers the opportunity to work across complex server, virtualisation and platform technologies, driving operational excellence, security, automation and continuous improvement. The successful candidate will play a key role in maintaining the reliability, performance and security of production infrastructure whilst … virtualised infrastructure environments. Coordinate and deliver regular operating system and application patching activities. Identify, assess and remediate infrastructure and application vulnerabilities in line with security requirements. Drive automation initiatives to improve efficiency, consistency and service reliability. Support infrastructure lifecycle management, including upgrades, refreshes and decommissioning activities. Monitor system performance ...

critical infrastructure services that underpin business operations. This role offers the opportunity to work across complex server, virtualisation and platform technologies, driving operational excellence, security, automation and continuous improvement. The successful candidate will play a key role in maintaining the reliability, performance and security of production infrastructure whilst … virtualised infrastructure environments. Coordinate and deliver regular operating system and application patching activities. Identify, assess and remediate infrastructure and application vulnerabilities in line with security requirements. Drive automation initiatives to improve efficiency, consistency and service reliability. Support infrastructure lifecycle management, including upgrades, refreshes and decommissioning activities. Monitor system performance ...

AdvertDo you have a mixture of Infrastructure and Cyber Security skills? Would you like to join a large (45,000 and counting) growing global organisation? If so we could have the job for you...Role - IT Infrastructure Engineer - Cyber aka : IT Security Engineer, Infrastructure Engineer, Network Security … role where you’ll help design, maintain, and secure a mix of on-premise and Azure environments.You’ll work across servers, networks, storage, and security tools, contributing to infrastructure projects as well as cyber initiatives such as vulnerability management, incident response, and enhancing security controls. You’ll also ...

personally, we ensure a bright future for NTT DATA and for the people who work here.NTT DATA is currently looking for an IBMz Network Engineer (hybrid: remote + Sheffield or remotely UK-wide or across Europe) for our growing team in UK and rest of Europe.Job DescriptionIn this role … technical professionals supporting a large-scale z/OS systems platform. This position requires an experienced systems programmer supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining the integrity and data/IP security of the Mainframe's host communication subsystems and associated program ...

Senior technologist with deep expertise in designing, building, and governing network and infrastructure tooling platforms that enable scalable, reliable, and compliant enterprise environments. Proven experience defining automation strategy, control frameworks, and operating models that abstract complex network and infrastructure estates into consumable, repeatable services. Strong background in financial … strategy and reference architectures aligned with platform engineering and DevOps principles. Design modular, API-driven tooling layers that decouple intent, policy, and execution across network and infrastructure domains. Establish standards for tool selection, integration, versioning, and lifecycle management. Align tooling strategy with regulatory, risk, and operational resilience requirements. Network ...

Network Consultant & Engineer - Cisco Lan Enterprise - Cisco, Juniper and/or Aruba Certs - £55K - £75K - Homebased, office, hybrid - North West - 2 days per week in the office Do you want to work for a leading Network Security Solutions Provider? Do you want to be part … Design & Implementation Consultant? Are you a Project Implementation Engineer that wants to step up into Design & Implementation? You will be joining a leading Networking Security Solutions Provider as a Snr Network Design & Implementation Engineer OR as a Network Project Engineer. Design, implement and support network infrastructure ...

Line Network Engineer (24/7 Shift) Solihull, West Midlands £30,000 - 32,000 + 20% Shift Allowance (£38,400 OTE) Permanent | 4 on/4 off Shift Pattern 12-hour shifts (7am-7pm & 7pm-7am) We're seeking a talented 2nd Line Network Engineer to join … troubleshooting complex connectivity issues, restoring services quickly, and ensuring customers receive exceptional support around the clock. What You'll Be Doing Taking ownership of network-related incidents through to resolution. Providing technical support via phone, monitoring platforms, and ticketing systems. Troubleshooting routing, switching, firewall, wireless, and connectivity issues. Accessing ...

Subject Matter Expert (SME) in Windows-based enterprise infrastructures. You'll play a central role in the design, deployment, and support of high-security systems that underpin key defence and aerospace operations.This role is based full-time on site in London and requires DV clearance.What you will … minimal disruption to services.Deploy and integrate secure Windows Server environments (Active Directory, Group Policy, DNS, DHCP) using industry best practices.Implement and maintain infrastructure security measures such as patching, access controls, and hardening to align with compliance and internal governance.Use monitoring tools to proactively optimize system performance and ensure high ...

Subject Matter Expert (SME) in Windows-based enterprise infrastructures. You'll play a central role in the design, deployment, and support of high-security systems that underpin key defence and aerospace operations. This role is based full-time on site in London and requires DV clearance. What you will … disruption to services. Deploy and integrate secure Windows Server environments (Active Directory, Group Policy, DNS, DHCP) using industry best practices. Implement and maintain infrastructure security measures such as patching, access controls, and hardening to align with compliance and internal governance. Use monitoring tools to proactively optimize system performance ...