1 to 25 of 131 Permanent Network Security Jobs in London

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Network and Endpoint Security Pre-Sales Architect Location: London Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK address history at the point of application. Accenture is a leading global … technology to each business challenge. We believe in inclusion and diversity and supporting the whole person. Our core values comprise of Stewardship, Best People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. “Across the globe, one thing … impact we have with our clients and with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO As a Network and Endpoint Security Pre-Sales Architect, you will: Act as the technical lead in customer-facing engagements, translating complex security needs into effective solution architectures Design Zero More ❯

Network and Endpoint Security Pre-Sales Architect Location: London Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK address history at the point of application. Accenture is a leading global … technology to each business challenge. We believe in inclusion and diversity and supporting the whole person. Our core values comprise of Stewardship, Best People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. “Across the globe, one thing … impact we have with our clients and with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO As a Network and Endpoint Security Pre-Sales Architect, you will: Act as the technical lead in customer-facing engagements, translating complex security needs into effective solution architectures Design Zero More ❯

Job Title: Senior Cyber Security Engineer Job Ref: SCSE-443 Closing Date: 25th July 2025 Summary We are seeking a Senior Cyber Security Engineer to join our London-based team. This role is critical in safeguarding our IT infrastructure and ensuring the resilience of our systems. You will be responsible for implementing and maintaining security protocols, managing … threat detection tools, and supporting the broader IT team in delivering secure and reliable services. You will play pivotal role in improving company security posture and internal best practices adoption. This is technical hands-on role. Senior Cyber Security Engineer will report to Director of Technology. Responsibilities Monitor, detect, respond, and manage security incidents across on-prem … cloud environments, and social media services, on multiple platforms and operating systems, Manage relationships and work closely with third-party cyber security service providers. Manage and optimize security tools, including endpoint protection, Microsoft Intune, Entra, Azure, and external detection and response tools. Conduct vulnerability assessments and coordinate patch management cycles. Collaborate with infrastructure and support teams to ensure More ❯

Job Title: Senior Cyber Security Engineer Job Ref: SCSE-443 Closing Date: 25th July 2025 Summary We are seeking a Senior Cyber Security Engineer to join our London-based team. This role is critical in safeguarding our IT infrastructure and ensuring the resilience of our systems. You will be responsible for implementing and maintaining security protocols, managing … threat detection tools, and supporting the broader IT team in delivering secure and reliable services. You will play pivotal role in improving company security posture and internal best practices adoption. This is technical hands-on role. Senior Cyber Security Engineer will report to Director of Technology. Responsibilities Monitor, detect, respond, and manage security incidents across on-prem … cloud environments, and social media services, on multiple platforms and operating systems, Manage relationships and work closely with third-party cyber security service providers. Manage and optimize security tools, including endpoint protection, Microsoft Intune, Entra, Azure, and external detection and response tools. Conduct vulnerability assessments and coordinate patch management cycles. Collaborate with infrastructure and support teams to ensure More ❯

where you will be making an impact on the financial lives of thousands of savers. We're regulated by the Financial Conduct Authority in the UK. As a Senior Security Engineer, you will play a key role in protecting our systems, networks, and data while ensuring compliance with industry leading security standards such as ISO 27001. Your contributions … will be essential in maintaining customer trust and safeguarding critical information assets. This role sits within thePlatform Engineering Teamand requires a strong technical background, hands-on experience with security tools, and a collaborative mindset to work effectively across teams. The role will involveplatform engineering activities, contributing to the design, implementation, and optimisation of scalable infrastructure. If you're motivated … by solving complex problems in a dynamic, fast-paced environment, this position is for you. What you will do: Develop and implement proactive security strategies, policies, and procedures to protect our systems, networks, and data assets. Lead regular security assessments, including vulnerability scans and penetration tests, identifying risks and driving remediation efforts. Monitor infrastructure for security incidents More ❯

underrepresentation of black women in tech. We are a non-profit organisation with the aim to grow and inspire the community of black female developers. We are the largest network of black female developers in the UK. Mission Our mission is to grow the community of black women in software development and technical roles, from entry level to executive … Cybersecurity Bootcamp, tailored for individuals looking to gain practical, job-ready skills in protecting digital assets and systems. The bootcamp aims to enhance participants' abilities in areas such as network security, ethical hacking, incident response, and security operations, enabling them to secure new or higher-value opportunities in the cybersecurity field. You will be responsible for delivering … engaging and interactive sessions, guiding learners through complex security concepts, and helping them build practical, defensive, and offensive security skills. The ideal candidate will be confident teaching a range of cybersecurity topics, adaptable to different learner needs, and passionate about supporting underrepresented individuals in building successful careers in cybersecurity. The majority of course content will be provided, but More ❯

Job Overview: As a Network Security Engineering team member, the Senior Network Security Engineer will specialise in firewalls and routing. The ideal candidate is a flexible, self-motivated individual who excels at multitasking and thrives in a fast-paced, challenging environment. This self-starter will bring ingenuity and expertise to design, implement, and maintain secure, scalable … high-performing network solutions that connect on-premises and public cloud environments. The role emphasizes driving automation through Infrastructure-as-Code (IaC) and GitOps methodologies, ensuring optimal network performance, and integrating robust security measures. Responsibilities: Network Design and Implementation: Design and implement secure, scalable, and high-performing network solutions bridging on-premises and public cloud … environments. Leverage routing and switching expertise (e.g., BGP, OSPF, MPLS) to ensure network performance and reliability across diverse environments. Analyze operational needs and proactively develop creative network solutions to address security challenges. Security and Firewall Management: Manage firewall configurations for the CyberEnergianetwork based on operational requirements. Develop and implement network security tools, produce threat More ❯

and resilient technology solutions. Our team builds and maintains robust infrastructure that safeguards OpenAI's data and systems while ensuring employees are well-equipped and seamlessly connected. By prioritizing security, reliability, and user-centric solutions, we empower OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a Network Security Engineer … at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable, and high-performing network solutions that bridge on-premises environments with public cloud environments. Your expertise in routing and switching will ensure optimal network performance and reliability across diverse environments. You will … drive automation initiatives through Infrastructure-as-Code (IaC) and GitOps methodologies, streamlining network provisioning, enforcing configuration consistency, and optimizing IT workflows. Your responsibilities will also include developing CI/CD pipelines tailored for IT infrastructure, enhancing deployment efficiency, and integrating robust network security measures. You will establish comprehensive observability and proactive issue resolution strategies. We are seeking More ❯

In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise. You will also provide technical leadership to team/vendor …/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment. Responsibilities: Independently perform highly complex assignments. Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks. Lead proper execution of network changes & updates in accordance with corporate security policies to meet … business requirements. Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs. Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management. Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth. Where possible, introduce automation for daily routine administrative More ❯

The Role: The Vulnerability Management Analyst is a global role within ION's central services division and will support the Group Security strategy and operational excellence through the identification, mitigation and remediation of information security vulnerabilities, misconfigurations and risks to the business. This role reports to the Vulnerability Management Manager who reports to the Global Head of IT … Security. As a member of the ION Security team, you will build and lead a team of Security professionals specialising in Vulnerability Management along with managing the partners and technology vendor deliverables and of course building and owning the strategy to deliver a world class Vulnerability Management program. The candidate must understand their role in the broader vulnerability … will regularly perform discovery scanning, risk/exposure assessments, mitigation support activities, continuous validation assessments, and lessons learned workshops and improvement projects to continuously improve our process across Group Security and all other Verticals. We are looking for a diligent, dedicated, creative and motivated individual. Excellent communication skills are a must, and the role holder will be expected to More ❯

Network Engineer - MSP Location: West London Salary: £42,000 - £50,000 DOE Job Type: Full-time | Permanent Industry: Managed Service Provider (MSP) Overview: We are a growing Managed Service Provider based in West London seeking a skilled and motivated Network Engineer to join our technical team. You'll work across a diverse client base, managing and supporting network … to work in dynamic environments and further your career in a fast-paced MSP setting. Key Responsibilities: Deploy, configure, and support routers, switches, firewalls, and wireless access points Troubleshoot network issues across Layer 1-3 in client environments (on-site and remote) Configure VPNs (site-to-site and client-to-site), firewalls, and network security appliances Monitor … network health using RMM tools (e.g., Auvik, ConnectWise, N-able) Implement VLANs, manage routing, and optimise network performance Design and support Wi-Fi networks, ensuring signal strength and stability Assist with cloud network integration (Azure/AWS), including hybrid setups Document client networks, changes, and project work to a high standard Provide occasional on-site support across More ❯

Senior Cyber Security Engineer Excellent opportunity for an experienced Cyber Security Engineer with MSP experience to join a high-performing team delivering security solutions across Microsoft technologies and supporting compliance frameworks. Full-time, permanent position based in London with hybrid working (3 days in office, 2 remote), offering up to £60,000 depending on experience. Immediate start … available - candidates with hands-on Microsoft Security experience and relevant certifications are highly encouraged to apply. To apply, please email Who are the client? Our client is a recognised UK-based Managed Services Provider with strong accreditations and a reputation for excellence in technology and employee development. They are an IASME certification body and work with a broad client … base across sectors to deliver robust cyber security strategies. The company is growing and offers an outstanding culture of innovation, development, and recognition. What will you be doing? This senior, client-facing cyber security position is ideal for someone who enjoys both technical implementation and supporting security frameworks such as Cyber Essentials. You will play a key More ❯

Senior Cyber Security Engineer Excellent opportunity for an experienced Cyber Security Engineer with MSP experience to join a high-performing team delivering security solutions across Microsoft technologies and supporting compliance frameworks. Full-time, permanent position based in London with hybrid working (3 days in office, 2 remote), offering up to £60,000 depending on experience. Immediate start … available - candidates with hands-on Microsoft Security experience and relevant certifications are highly encouraged to apply. To apply, please email Who are the client? Our client is a recognised UK-based Managed Services Provider with strong accreditations and a reputation for excellence in technology and employee development. They are an IASME certification body and work with a broad client … base across sectors to deliver robust cyber security strategies. The company is growing and offers an outstanding culture of innovation, development, and recognition. What will you be doing? This senior, client-facing cyber security position is ideal for someone who enjoys both technical implementation and supporting security frameworks such as Cyber Essentials. You will play a key More ❯

Senior Cyber Security Engineer Excellent opportunity for an experienced Cyber Security Engineer with MSP experience to join a high-performing team delivering security solutions across Microsoft technologies and supporting compliance frameworks. Full-time, permanent position based in London with hybrid working (3 days in office, 2 remote), offering up to £60,000 depending on experience. Immediate start … available - candidates with hands-on Microsoft Security experience and relevant certifications are highly encouraged to apply. To apply, please email Who are the client? Our client is a recognised UK-based Managed Services Provider with strong accreditations and a reputation for excellence in technology and employee development. They are an IASME certification body and work with a broad client … base across sectors to deliver robust cyber security strategies. The company is growing and offers an outstanding culture of innovation, development, and recognition. What will you be doing? This senior, client-facing cyber security position is ideal for someone who enjoys both technical implementation and supporting security frameworks such as Cyber Essentials. You will play a key More ❯

Looking to take your next step in your career? A leading provider of comprehensive IT solutions is currently seeking for a skilled Senior Network Wireless Engineer. The Gold Partner of top class hardware producers specializes in delivering innovative and reliable technology services to businesses across the world. They focus solely on providing Guest Internet Access, also known as GIA … and network solutions to business centers, resorts and hotels. As certified and/or preferred partners of renowned global hotel chains, the company differentiates themselves from competition through their unique tailored solutions and continue pushing the standards higher within the industry. If you would like to learn more about this opportunity, feel free to reach out and apply today … Responsibilities: Deployment and configuration of wireless network solutions using Ruckus and Aruba amongst other technologies Configure and maintain wireless network infrastructure, including access points, controllers, and associated network devices. Perform site surveys, RF planning, and coverage analysis to ensure optimal wireless network performance. Troubleshoot and resolve wireless network issues, including interference, connectivity, and performance problems. More ❯

Location: Hybrid (London office/remote) Responsible to: Technical Delivery Manager & Security Controller Job purpose: Technical support of customer and internally delivered environments, to ensure services meet or exceed expectations and contractual commitments. This is a hands-on technical support role requiring a varied skill set and a willingness to get involved in technologies outside your current skill set. … Technical Knowledge base with new and amended fixes Adhering to change management process for all supported environments Ensuring Standard Operating Procedures are in place and followed Server infrastructure configuration, security and maintenance. Capacity and performance management Software configuration, updates, deployment and management Security assessment and vulnerability mitigation of hardware and software estate. Hardware installation and configuration in corporate … Essential Active directory Systems & Tools: Microsoft Exchange, Windows Server (2019+), SharePoint (On-Premise), SQL Server, Microsoft Certificate Authority & Patch Management tools (e.g. ManageEngine Patch Manager) Infrastructure Management: Ideally VMWare Network & Security: LAN, WAN, VPN, DNS and network routing Ticketing system use Understanding of SLAs Desirable VMware Cloud Foundation VDI Environment Administration, Horizon preferred NSX Management Firewall administration 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 ❯

Job Title: Senior Network Engineer Delivery & Migrations Location: England (Home based with client visits across England). Salary: Up to £55,000 basic salary plus great benefits package Sector: Consultancy/Solution Provider The Company Our client is a professional services consultancy who specialise in providing businesses with software defined solutions, network assurance, network automation and managed … interesting projects in both the public and private sectors. Technology Partners Cisco/Meraki VM Ware Palo Alto Fortinet Juniper Aruba/HPE Microsoft AWS Role Snapshot As Senior Network Security Engineer you be an integral member of the delivery and migrations team. The role will entail assisting with migrations, day-to-day delivery tasks and providing ongoing … looking to take a step up from a BAU role, with the ambition to widen their remit in projects and delivery. Key Responsibilities Assisting with delivery and migration of network, data centre and security solutions. Provide exceptional customer services. Contribute to knowledge centre and keep documentation up to date. Be willing to work in a vendor agnostic environment More ❯