26 to 50 of 82 Network Security Jobs in London

Network & Infrastructure Engineer Location: London/Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate … building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. … The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls. Configure and manage network segmentation, VLANs More ❯

Network & Infrastructure Engineer Location: London/Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate … building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. … The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls. Configure and manage network segmentation, VLANs More ❯

Network & Infrastructure Engineer Location: London/Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate … building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. … The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls. Configure and manage network segmentation, VLANs More ❯

Network & Infrastructure Engineer Location: London/Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate … building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. … The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls. Configure and manage network segmentation, VLANs More ❯

Director to lead our Software Firewall Sales Specialist team in EMEA. You will drive business development, customer engagement, and execute the sales process for our growing portfolio of AI security solutions in the EMEA market. You will be a key player in identifying and converting high-potential opportunities, accelerating adoption, and positioning Palo Alto Networks as the go-to … customers and partners, driving consultative sales cycles from initial engagement to close as needed Identify and understand customer requirements and articulate the value proposition of Palo Alto Networks’ AI security and Software and Cloud Firewall offerings and use cases to meet those requirements. Evangelize the importance and value of securing AI across industry events, executive briefings, and thought leadership … LLMs) Strong grasp of firewall fundamentals, including the ability to discuss how modern software firewalls help customers secure traffic in the cloud, prevent advanced threats from spreading across their network, gain visibility and control over applications, and enable a secure hybrid workforce. Deep understanding of cybersecurity fundamentals, including data security, network security, and cloud security More ❯

Director to lead our Software Firewall Sales Specialist team in EMEA. You will drive business development, customer engagement, and execute the sales process for our growing portfolio of AI security solutions in the EMEA market. You will be a key player in identifying and converting high-potential opportunities, accelerating adoption, and positioning Palo Alto Networks as the go-to … customers and partners, driving consultative sales cycles from initial engagement to close as needed Identify and understand customer requirements and articulate the value proposition of Palo Alto Networks’ AI security and Software and Cloud Firewall offerings and use cases to meet those requirements. Evangelize the importance and value of securing AI across industry events, executive briefings, and thought leadership … LLMs) Strong grasp of firewall fundamentals, including the ability to discuss how modern software firewalls help customers secure traffic in the cloud, prevent advanced threats from spreading across their network, gain visibility and control over applications, and enable a secure hybrid workforce. Deep understanding of cybersecurity fundamentals, including data security, network security, and cloud security More ❯

Systems Engineer with extensive experience in Microsoft Exchange Server 2016 and above, Microsoft Remote Desktop Services (RDS), Hyper-V, VMware, high availability (HA) scenarios, DFS, and Windows Server 2022 network infrastructure across multiple domains and Active Directory environments. The ideal candidate will also have hands-on experience with Cisco Routers and demonstrate a strong understanding of enterprise network … business continuity and system reliability. Key Responsibilities: Microsoft Exchange Server Administration: Deploy, configure, manage, and optimize Microsoft Exchange Server 2016 and above. Troubleshoot email flow, transport rules, and mail security issues. Ensure high availability (HA) and disaster recovery mechanisms for Exchange. Microsoft Remote Desktop Services (RDS) Administration: Deploy, configure, and manage Microsoft Remote Desktop Services (RDS) environments. Maintain Remote … Desktop Session Hosts (RDSH), RD Gateway, RD Connection Broker, and RD Licensing. Optimize performance, scalability, and security of RDS infrastructure. Troubleshoot user connectivity, application performance, and remote access issues. Ensure load balancing and high availability (HA) configurations for RDS farms. Virtualization & High Availability (HA): Manage and maintain Hyper-V and VMware environments. Implement high availability (HA) and disaster recovery More ❯

CYBER SECURITY ANALYST | SECURITY OPERATIONS CENTER (SOC). Summer-Browning Associates is supporting our client in the Central Government who is seeking a Cyber Security Analyst for an initial 12-month assignment, with the possibility of extension. Location: London | Hybrid| Remote The ideal candidates will hold active DV clearance and have a proven background in Cyber Security, with the following skills and experience: Experience in SOC operations, incident response, and forensic analysis. Proficiency in Security Information and Event Management (SIEM), including tools such as Splunk, Defender, and Tenable Threat Modelling System solutions, as well as with IDS/IPS and vulnerability scanners. Ability to perform triage of security events to determine their scope, priority … and impact, while making recommendations for efficient remediation. Experience in network security principles, firewalls, and access control mechanisms. Preferred Qualifications: - Industry certifications such as CompTIA Security+, CISSP, CISM, CEH, or GIAC are highly desirable. To apply, please submit your latest CV for review. More ❯

Microsoft Azure Lead Software Security Engineer with Development Background, .NET, Microsoft Stack Developer, DevSecOps, CISSP, CEH, CSSLP, Mainly Remote Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote and the expectation is to go into the office circa twice a week. Please … Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to have strong Azure skills, NOT AWSalthough a blend would be acceptable. Rather than someone from a bog-standard IT … Operations, Network Security or Security Infrastructure background, we NEED you to have come from a Development background and you MUST have a good grounding within Software Development as you will mainly working with Developers and need to be able speak their language and develop trust with them. This role was very successfully introduced into this company More ❯

Contract Network Engineer London 3 days PW Rate: £500 PD (Inside IR35) 6-12 Month Contract Overview We are seeking a skilled Network and Systems Engineer on a contract basis to join our clients IT Operations team. In this role, you will ensure the reliability, performance, and security of critical network infrastructure across the company, data … on systems administration tasks as needed, making you a versatile contributor in a fast-paced, collaborative environment supporting cutting-edge technology. Role and Responsibilities Administer, operate, and maintain enterprise network infrastructure, including LAN/WLAN, VPNs, DNS/DHCP/IPAM, firewalls, and cloud networking (AWS, GCP). Proactively monitor and troubleshoot performance, availability, and connectivity issues, taking ownership … of incident resolution end-to-end. Support systems administration tasks when required, including account provisioning, server patching, storage, and backup troubleshooting. Strengthen network security through policy enforcement, configuration audits, and adherence to best practices. Collaborate with IT Engineering on network design reviews, ensuring smooth handoffs into production. Document configurations, standard operating procedures, runbooks, and network diagrams More ❯

Are you looking for a career where your IT network expertise keeps one of the UKs busiest rail networks connected, secure, and moving every day? We are seeking an IT Network Manager to join our team based from our Head Office in London Bridge (hybrid working). 2025 is the 200th anniversary of the first-ever passenger rail … journey, so were celebrating our proud history and our bright future. Can you move people? Apply now. What youll do You will provide inspirational leadership to your network team responsible for keeping Southeasterns mission-critical network running smoothly across over 200 sites in the South East including stations, depots, offices, and data centres. Our train operations depend on … this network, so reliability and performance are key. As we finalise our transition from a legacy setup to a modern Fortinet SD-WAN infrastructure, youll play a vital role in shaping the future of our connectivity. This is your chance to be part of a major transformation journey ensuring that the new technology is fully optimised and deployed. Supporting More ❯

A leading consultancy is seeking a Network Support Technician, starting ASAP paying between £28-30K. This position would require you to undergo SC Clearance and will require 5 days a week On-Site work in London. The Network Support Technician will provide on-site technical assistance and support for network infrastructure. This role involves troubleshooting, equipment … handling, and performing basic network tasks under the guidance of remote engineering teams. The ideal candidate will have a strong understanding of networking principles and excellent communication skills. If you are offered this position, you will go through a series of pre-employment checks, including: identity, nationality (single or dual) or immigration status, employment history dating back 3 continuous … years, and unspent criminal record check (known as Disclosure and Barring Service) Your Role Respond to requests for on-site support and assistance with network equipment and infrastructure. Perform equipment installations, configurations, and decommissions as directed. Assist with troubleshooting hardware and connectivity issues. Execute standard network tasks, such as cable management, patching, and rack management. Document actions taken More ❯

CYBER SECURITY ENGINEER | SECURITY OPERATIONS CENTER (SOC). Summer-Browning Associates is supporting our client in the Central Government who is seeking a Cyber Security Engineer for an initial 12-month assignment, with the possibility of extension. Location: London | Hybrid| Remote The ideal candidate will hold an active DV clearance and have a solid background in Cyber … Security working within a high-threat government environment, with the following skills and experience: Proficiency in Security Information and Event Management (SIEM), including tools such as Splunk, Defender, and Tenable Threat Modelling System solutions, as well as with IDS/IPS and vulnerability scanners. Experience in SOC operations, incident response, and forensic analysis. Ability to perform triage of … security events to determine their scope, priority, and impact, while making recommendations for efficient remediation. Experience in network security principles, firewalls, and access control mechanisms. Preferred Qualifications: - Industry certifications such as CompTIA Security+, CISSP, CISM, CEH, or GIAC are highly desirable. To apply, please submit your latest CV for review. More ❯

Alto Networks and position the industry's most comprehensive SASE platform.You will be at the forefront of securing the modern hybrid workforce, representing a solution that offers the broadest security and compliance coverage for all applications, wherever users work - in the office, at home, or on the go. In this role, you will be responsible for managing a territory … focusing on customers in the UK and Nordics - working closely with business partners, and driving sales for our Enterprise Browser security solution into new and existing customers. You will be responsible for creating and executing a strategic territory plan to consistently meet or exceed your sales targets for new business and renewals (ACV & TCV), and in alignment with the … Collect and share “Voice of Customer” feedback and competitive intelligence with the regional and global Prisma SASE organization Champion Palo Alto Networks' position as the number one enterprise SASE security company Travel as necessary within your territory, and for company-wide meetings Qualifications Your Experience Proven track record of exceeding sales quotas in an Account Manager role within a More ❯

coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in … twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You're degree educated in More ❯

of developing and integrating Apple Mac Extensions and APIs? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in … twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR/EDTR You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You More ❯

of developing and integrating Apple Mac Extensions and APIs? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in … twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR/EDTR You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You More ❯

complex business challenges with confidence. With a strong presence in the UK, we partner with companies across industries to deliver best-in-class advisory services in accounting, risk, cyber security, technology, and business transformation. We pride ourselves on combining technical expertise with a practical, hands-on approach, helping our clients strengthen resilience, meet regulatory requirements, and stay ahead in … an increasingly digital and risk-driven landscape. Technical and Domain Experience: Conduct cybersecurity maturity and risk assessment and for clients. Practical experience implementing security controls, in areas such as MDR, IAM, Network Security, Cloud Deployments. Advise clients on cybersecurity strategy, metrics and reporting for various levels of stakeholders, including Audit Committees and Board of Directors. Build risk … management practices for clients, including policies, procedures, Risk Register, etc. Previous experience as a systems administrator, systems engineer, or security analyst. Understanding of operating system hardening principles, network design principles, and systems security. Guide clients in establishing cybersecurity policies, standards, and procedures. Manage cybersecurity training & awareness services for clients from design to implementation. Understanding of security analysis More ❯

Do you have experience developing and integrating Mac software? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in … twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR/EDTR You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You More ❯

A leading fintech company is seeking a Lead AppSec Engineer to join their established team. Youll be instrumental in embedding security into every stage of the software development lifecycleguiding engineers, shaping best practices, and driving secure, scalable solutions across our platform. Key Responsibilities: Security Advisory : Serve as the go-to expert for application security across engineering teamsproviding … hands-on guidance, resolving concerns, and fostering a security-first mindset. DevSecOps Enablement : Promote and implement secure development practices across CI/CD pipelines, secrets and key management, dependency management, and secure design. Vulnerability Management : Lead vulnerability remediation effortstriaging findings, prioritizing risks, and partnering with teams to deliver effective, pragmatic fixes. Tooling & Automation : Integrate security tools (e.g., SAST … DAST, SCA, secrets scanning) into developer workflows, ensuring automation is both scalable and developer-friendly. Cloud Security Collaboration : Work alongside infrastructure teams to ensure secure configuration of AWS and Azure environments, with a focus on IAM, network security, encryption, and observability. Architecture & Design Reviews : Provide input and recommendations to ensure new services and features are secure by More ❯

Sales Engineer (Network/Security)£50,000 - £60,000 + Bonus (£5,000) + Hybrid Working (3 Days In Office Per Week) + Training + Progression + Expenses Covered + Other Great BenefitsOffice Based In Aldgate (London) Need To Be In Office 3 Days Per WeekAre you a Sales Engineer or an Engineer with knowledge or experience with … Networks or Security, that is looking to step into a highly autonomous role working for an industry leading firm that provides full technical training and development with the scope of you to become a go-to technical expert in your field On offer is a hybrid, days based role where you will be able to maintain a great work … the public and private sector. They are going through a period of exponential growth as a group so looking to bring on new staff.This role would suit a Networking, security expert or a strong Technical Sales Engineer that is looking to further develop their career within an industry leading business that provides the best personal development and progression, alongside More ❯

Sales Engineer (Network/Security) £50,000 - £60,000 + Bonus (£5,000) + Hybrid Working (3 Days In Office Per Week) + Training + Progression + Expenses Covered + Other Great Benefits Office Based In Aldgate (London) Need To Be In Office 3 Days Per Week Are you a Sales Engineer or an Engineer with knowledge or … experience with Networks or Security, that is looking to step into a highly autonomous role working for an industry leading firm that provides full technical training and development with the scope of you to become a go-to technical expert in your field? On offer is a hybrid, days based role where you will be able to maintain a … public and private sector. They are going through a period of exponential growth as a group so looking to bring on new staff. This role would suit a Networking, security expert or a strong Technical Sales Engineer that is looking to further develop their career within an industry leading business that provides the best personal development and progression, alongside More ❯

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

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

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