1 to 25 of 144 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 ❯

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 ❯

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 ❯

Network & Security L2 Administrator 6 Month contract initially Based: Onsite - West Drayton Rate: £400 - £425 p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We a great … opportunity for a number of Network & Security L2 Administrators. Key Responsibilities: * Candidates should have a strong working knowledge of 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 … 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 ❯

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 ❯

Role: Network Engineer Location & Travel: Work from home. However, will need to go to London for some customer meetings 3-4 times a month Employment Type: Contract Outside of IR35 Duration: 2 to 3 Months Candidate Should be able to start immediately Clearance: Should be SC cleared or Eligible About Company: Prodapt is the largest & fastest growing specialized firm … and digital platform companies in the business of connectedness. Prodapt builds, integrates, and operates solutions enabling next-generation technologies and innovations. Role Details: Overview Seeking a skilled and motivated Network Engineer for a high-priority Network Migration Project. The ideal candidate will have extensive experience in networking and security, with expertise in migration, configuration, and troubleshooting across … Cisco LAN/WAN environments, F5 load balancing, and Checkpoint firewalls. The Network Engineer will work closely with customer and third-party consulting team to design, implement, and optimize network infrastructure while ensuring the security, scalability, and reliability of the systems during the migration process. As part of the migration project, candidate will be responsible for providing 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 Security Project Manager wanted for a 3 -6 month contract based in central London £450 a day Inside IR35 5 days in office , may go hybrid working. Must be a highly organized , hands on and technically proficient Project Manager with a strong background in network security to lead and coordinate critical infrastructure and cybersecurity projects. … This role operates on a 24/7 shift rotation , ensuring continuous oversight of security initiatives and incident response coordination. Key Responsibilities and skills Lead and manage end-to-end delivery of network security projects, ensuring alignment with business goals and compliance standards. Coordinate with cross-functional teams including SOC, NOC, IT operations, and external vendors. Oversee … implementation of firewalls, intrusion detection/prevention systems, VPNs, LAN/WAN and other network security technologies. Monitor project progress during all shifts, ensuring timely escalation and resolution of issues. Maintain detailed project documentation, including risk assessments, change logs, and status reports. Support incident response efforts and post-incident reviews during off-hours. Ensure adherence to cybersecurity frameworks 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 ❯