22 of 22 Network Security Engineer Jobs in London

Job Description - Senior Infrastructure Security Engineer (Network) (047748) Senior Infrastructure Security Engineer (Network) 047748 Organisation Organisation - Customers, Communication and Technology Job Position Type - Full Time Location: North Greenwich, London/Hybrid Salary: £62,000 - £70,000 plus fantastic benefits UK Sponsorship availablehowever, candidates are … cent of time split between the office and home over a 4-week period.Hybrid working arrangements can evolve subject to business requirements. Key Technologies: Network Security (inc. Firewalls), Routing and Switching (WAN/LAN/Datacentre), SDN, Wi-Fi and Cloud Networks. About Us The Networks and Hosting … Data is responsible for maintaining existing infrastructure, which underpins the majority of our services across TfL. It is an exciting time to join the Network team, as you'll be working on large scale network improvement projects such as: network security (firewall) upgrades, network consolidation 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 More ❯

Job Title: Network and Security Engineer Location: London (UK) On site Job Type: Full Time We are seeking a talented and experienced Network and Security Engineer to join our team. The ideal candidate will have a strong background in networking and security, excellent … problem-solving skills, and a passion for learning and developing new skills. You will be responsible for designing, implementing, and managing networks and security measures to safeguard our networks and systems against current and emerging cyber threats, with a particular focus on Datacentre, 3GPP mobile network CORE and … Responsibilities: Networking, Segmentation, Optimization and Maintenance Design, configure and implement highly scalable L2/L3 networks using varieties of protocols and vendor equipment. Monitor network traffic and analyse security incidents to detect and respond to threats within mobile network environments. Diagnose and troubleshoot network related issues More ❯

A leading logistics organisation is seeking a project-focussed Network Security Engineer to join their growing team. If you're passionate about networking and cybersecurity and thrive in fast-paced environments, this is a fantastic opportunity to work with modern technologies and make a real impact. We … re looking for a Network Security Engineer who has proven experience in implementing, deploying, administering, and maintaining network infrastructure, including routers, switches, wireless solutions, and firewalls. In addition to this, you will be managing Cisco-based network security (firewalls, VPNs, NAC) for peak reliability … and performance, in addition to the other responsibilities below! This is a project-focused role, so someone who has hands-on experience with Network Security projects like SGT’s, Azure Networking, and ICE Posturing is highly desirable. Key Responsibilities: Manage and maintain Cisco Firepower, Cisco ISE and Cisco More ❯

A leading logistics organisation is seeking a project-focussed Network Security Engineer to join their growing team. If you're passionate about networking and cybersecurity and thrive in fast-paced environments, this is a fantastic opportunity to work with modern technologies and make a real impact. We … re looking for a Network Security Engineer who has proven experience in implementing, deploying, administering, and maintaining network infrastructure, including routers, switches, wireless solutions, and firewalls. In addition to this, you will be managing Cisco-based network security (firewalls, VPNs, NAC) for peak reliability … and performance, in addition to the other responsibilities below! This is a project-focused role, so someone who has hands-on experience with Network Security projects like SGT’s, Azure Networking, and ICE Posturing is highly desirable. Key Responsibilities: Manage and maintain Cisco Firepower, Cisco ISE and Cisco More ❯

Senior Network Security Engineer Leading global manufacturing company is looking for a Senior Network Security Engineer to join their growing Network Security Engineering team. The successful candidate will design and implement network security solutions connecting on-premises and public cloud … focus on Infrastructure-as-Code (IaC) and GitOps methodologies. This is a very technical role and will play a key part in securing the network infrastructure. London 5 DAYS A WEEK. Responsibilities: Design and deploy network security solutions across cloud and on-premises environments. routing and switching … protocols network performance. Analyze operational needs and develop innovative solutions to strengthen network security. Required: Hands-on experience within enterprise network security solutions. Advanced knowledge of routing and switching protocols. Deep understanding of firewalls. More ❯

Senior Network Security Engineer Leading global manufacturing company is looking for a Senior Network Security Engineer to join their growing Network Security Engineering team. The successful candidate will design and implement network security solutions connecting on-premises and public cloud … focus on Infrastructure-as-Code (IaC) and GitOps methodologies. This is a very technical role and will play a key part in securing the network infrastructure. London 5 DAYS A WEEK. Responsibilities: Design and deploy network security solutions across cloud and on-premises environments. routing and switching … protocols network performance. Analyze operational needs and develop innovative solutions to strengthen network security. Required: Hands-on experience within enterprise network security solutions. Advanced knowledge of routing and switching protocols. Deep understanding of firewalls. More ❯

Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve … security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in … managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach. The team thrives in finding security issues and eradicating them and makes life hard for More ❯

We are looking for a highly skilled and dynamic Security Engineer to join our IT Security team.My client works across multiple sectors to include, Fintech, Health & energy. The ideal candidate will have a strong background in networking, cloud security, and hands-on experience with leading security technologies. You will be responsible for ensuring the security and integrity of our systems, providing proactive threat detection and response, and supporting the implementation of security controls and policies across cloud, on-premise, and hybrid environments. This role also involves working with SIEM solutions, automating security workflows, and contributing to the company's compliance with Cyber Essentials Plus and ISO 27001 standards. Key Responsibilities: Design, implement, and manage network security architectures, including firewalls, VPNs, and other perimeter security technologies. Configure, deploy, and manage Cisco Meraki solutions for network security and More ❯

We are looking for a highly skilled and dynamic Security Engineer to join our IT Security team.My client works across multiple sectors to include, Fintech, Health & energy. The ideal candidate will have a strong background in networking, cloud security, and hands-on experience with leading security technologies. You will be responsible for ensuring the security and integrity of our systems, providing proactive threat detection and response, and supporting the implementation of security controls and policies across cloud, on-premise, and hybrid environments. This role also involves working with SIEM solutions, automating security workflows, and contributing to the company's compliance with Cyber Essentials Plus and ISO 27001 standards. Key Responsibilities: Design, implement, and manage network security architectures, including firewalls, VPNs, and other perimeter security technologies. Configure, deploy, and manage Cisco Meraki solutions for network security and More ❯

Network Security Engineer Location: London | 4 Days Onsite Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide range of infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness … Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail More ❯

Mid-Level Network Security Engineer Location: London | 4 Days Onsite Per Week Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a … technically complex, security-driven environment supporting a wide range of infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security … Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail More ❯

Mid-Level Network Security Engineer Location: London | 4 Days Onsite Per Week Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a … technically complex, security-driven environment supporting a wide range of infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security … Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail More ❯

There are no silos here just passionate people working together to push the boundaries of technology. Your Role: Reporting directly to the Head of Security, you will play an individual contributor role for one of the most exciting tech driven firms globally. As a network security engineer you will manage the full network security from gathering requirements, implement robust solutions, and ensure the security of the cutting-edge trading infrastructure. Key Responsibilities: You will design, coordinate, and implement security controls, audit configurations, and design networks in a hybrid compute environment You will … assess, troubleshoot, and configure firewalls and VPNs You will automate security operational tasks where appropriate. Must-Have Skills: Proven experience in network security architecture, implementation, and support. Deep understanding of Firewalls – Palo preferred Strong understanding of Networking Fundamentals (TCP/IP More ❯

A Senior Network Security Engineer is required to join the London Deployment Team, responsible for the deployment and planning of the Bank’s network infrastructure in the UK, Middle-East, Africa and India. The team is responsible for the delivery and deployment of network/… security projects and requests to enhance the client’s infrastructure to meet current and future business demands:- Required skills Good level of Cisco Routing & Switching Strong CCNA or CCNP certification or equivalent experience Experience with Fortinet Firewalls Firewall Migration experience, FortiAnalyzer, FortiConverter, FortiManager. Ability to handle numerous separate projects … concurrently A very organised individual. Ability to work under pressure and to tight deadlines whilst maintaining attention to detail. Analyse, review and understand network topologies. Coordinate multiple projects, change management and governance efficiently working both independently and as a member of a team. Good understanding of networking principles, Good More ❯

A Senior Network Security Engineer is required to join the London Deployment Team, responsible for the deployment and planning of the Bank’s network infrastructure in the UK, Middle-East, Africa and India. The team is responsible for the delivery and deployment of network/… security projects and requests to enhance the client’s infrastructure to meet current and future business demands:- Required skills Good level of Cisco Routing & Switching Strong CCNA or CCNP certification or equivalent experience Experience with Fortinet Firewalls Firewall Migration experience, FortiAnalyzer, FortiConverter, FortiManager. Ability to handle numerous separate projects … concurrently A very organised individual. Ability to work under pressure and to tight deadlines whilst maintaining attention to detail. Analyse, review and understand network topologies. Coordinate multiple projects, change management and governance efficiently working both independently and as a member of a team. Good understanding of networking principles, Good More ❯

Job Description Senior Network Engineer with Security and Cisco - City London Our Client urgently requires a Senior Network Engineer with a heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. … Support IPS deployment for European branches. Develop, maintain and deliver global standards to all networking devices. Remediate Penetration Test results. Ensure seamless migration of network estate to newly adopted security framework. General Skills: Experience working within mission-critical environments. Experience in operational deployments. Datacentre cabling and racking of … 6500s. CISCO certification, ideally CCNP. CISCO CSM. VLAN segregation. McAfee HIPS, Trend Micro. Centralised authentication service (AAA). SafeNet Ethernet Encryptor. RADIUS/RSA. Security certification (advantageous). You will also need to have an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. More ❯

Network Security Engineer - Tufin - ThousandEyes – Outside IR35 Our client is a leading commodities trading and energy firm and are looking for an experienced Network Security and Firewall Engineer to join them. An initial 3 month contract, hybrid working, paying ~£700+ per day and outside More ❯

Network Security Engineer - Tufin - ThousandEyes – Outside IR35 Our client is a leading commodities trading and energy firm and are looking for an experienced Network Security and Firewall Engineer to join them. An initial 3 month contract, hybrid working, paying ~£700+ per day and outside More ❯

We are seeking an experienced Network and Information Security Engineer to join our team. In this role, you will be responsible for managing and configuration of network equipment (Cisco, Juniper,etc.) , and ensuring the smooth operation of our ZSTACK cloud environment. Key Responsibilities: (1) Strictly abide … by the local laws, regulations and company rules and regulations of the country or region to do the relative network maintenance or information security jobs; 1-3 years of experience in network maintenance, configuration, cyber security and information; Hardworking and quick learning. (2) Experience with the … and practical application of current data protection legislation, and possess an in-depth understanding of the GDPR. (3) Following the guidance of CTG HQ network and information security department to do the relative jobs, reports, support internal and external networks, including VPN setup, DNS management, AP management, firewall More ❯

We are seeking an experienced Network and Information Security Engineer to join our team. In this role, you will be responsible for managing and configuration of network equipment (Cisco, Juniper,etc.) , and ensuring the smooth operation of our ZSTACK cloud environment. Key Responsibilities: (1) Strictly abide … by the local laws, regulations and company rules and regulations of the country or region to do the relative network maintenance or information security jobs; 1-3 years of experience in network maintenance, configuration, cyber security and information; Hardworking and quick learning. (2) Experience with the … and practical application of current data protection legislation, and possess an in-depth understanding of the GDPR. (3) Following the guidance of CTG HQ network and information security department to do the relative jobs, reports, support internal and external networks, including VPN setup, DNS management, AP management, firewall More ❯

Halian Technology is searching for a skilled NetworkSecurity Engineer to join our client's Infrastructure team to help secure the systems and data powering cutting-edge analytics across pensions, energy, health, and financial services. This is a fantastic opportunity to work with an award-winning consultancy that fuses human … either London or Winchester, you'll play a critical role in protecting our clients cloud and physical infrastructure by developing and maintaining scalable, proactive security controls, processes, and tools. Key Responsibilities: Secure physical and Microsoft Azure cloud infrastructure using modern, risk-based approaches. Design, implement, and maintain security controls, templates, and baselines for cloud environments. Automate repetitive tasks to enhance security efficiency and consistency. Deploy and manage tools such as Microsoft Defender for Cloud, Defender for Endpoint, and Nessus. Collaborate with our outsourced SOC team to enhance Sentinel SIEM, runbooks, and threat detection. Lead investigations into More ❯