13 of 13 Network Security Jobs in the City of London

Your new role - Permanent - ON SITE 5 Days per week. You will be required to obtain security clearance and undergo vigorous onboarding checks - UK Only. Sponsorship NOT available. The main 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 phrases, terminal security, backup security, third party and supply chain security of IT service provider. Liaison with the Head Office, Security Operation Centre or 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 systems, ensuring compliance with regulatory requirements, and conducting thorough security audits. You More ❯

Senior Platform Engineer (Network & Security) Central London, Hybrid (2-3 days) | £70,000-£80,000 + excellent benefits About the company We’re proud to be partnering with a leading international bank, renowned for its commitment to digital transformation, sustainability, and innovation. With operations spanning multiple continents, they’re investing heavily in modernising their technology landscape; driving automation … the heart of this transformation, helping to build secure, scalable platforms that power global banking operations. About the role As the Senior Platform Engineer, you’ll take ownership of network infrastructure design, automation, and security and work with both internal teams and third party partners to drive enterprise-level transformations. You’ll work across cloud and on-prem … environments, utilising a range of cloud, network, and security technologies, developing Infrastructure as Code (IaC), and embedding security controls to deliver seamless, secure platform connectivity. About you An experienced Network & Security Engineer with at least 5+ years of relevant experience in designing, implementing, and securing enterprise-grade network platforms. You’ll bring strong technical More ❯

as quantum computing and AI. Systems, including distributed and operating systems, machine learning systems, networking, storage, cloud and edge computing, data systems, real-time systems, and high-performance computing. Security, including cryptography and post-quantum security, usable security and human factors, security for AI and AI for security, blockchain and distributed ledger technologies, systems and … network security, software and malware security, privacy. Software Engineering, including AI-assisted software development, software architecture and design, formal methods, testing, empirical software engineering, human factors, and software evolution. Computer Architecture, including neuromorphic computing, processor and memory system design, new computer architectures for efficiency and scalability, parallel and multi-core systems, domain-specific accelerators (e.g., for AI More ❯

Senior Information Security Analyst DGH Recruitment are currently recruiting on behalf of a leading client in the professional services industry who require an Senior Information Security Analyst to join the firm in London. Key Responsibilities: * Develop and deliver the firm's information security strategy and roadmap. * Provide subject matter expertise and guidance on information security to … fostering professional growth and development. * Lead the implementation and ongoing management of ISO 27001, including policy and control implementation and stakeholder engagement. * Lead the development, implementation, and review of security policies, standards, and procedures. * Own and manage the relationship with the firm's Managed Security Operations Centre (SOC), acting as the primary point of contact, ensuring service levels … are met, and coordinating incident response. * Oversee operational security including server and endpoint protection, M365 security, identity and access management, vulnerability assessments, patching, and system hardening. Required Experience: * Extensive experience in information security management, ideally within professional services environments. * Proven management capabilities, including team management and effective stakeholder engagement. * Hands-on expertise in ISO 27001 implementation and More ❯

We are seeking a Network Engineer to be responsible for the support and maintenance of a clients enterprise network infrastructure. Reporting into the Network Engineering Manager the role holder will have a thorough understanding of the companys technologies and systems as well as be able to understand both the business and technical requirements for new products that … engineered and implemented by the group. This is an office based role at the company's central London offices (City). Primary responsibilities: Day to day technical support of network infrastructure at data centres and at the office premises, ensuring a high level of efficiency in problem resolution and uptime Monitor network performance and integrity; analyse trends and … SLAs Troubleshoot/issue management of network infrastructure Perform network maintenance, upgrades and refreshes Skills and experience required: A minimum of 5 years Network Engineering experience in a corporate environment and performing exempt-level duties Exhibiting analytical and critical thinking in day-to-day tasks Proven ability to design, implement, and support complex LAN, WAN, WLAN, and More ❯

I'm currently looking for an experienced Senior Network/Network Services Manager to join a global organisation on a 4-6 month contract, supporting a major SD-WAN and network modernisation initiative.Needing someone who thrives in a fast-paced environment and has led complex network transformation projects.What you'll do: Own day-to-day network operations (LAN/WAN/SD-WAN, firewall, wireless). Lead and mentor the network team, providing guidance during major incidents. Drive the SD-WAN migration and LAN modernisation project, ensuring operational readiness. Manage vendors and third-party MSPs, holding them to SLAs and performance requirements. Oversee patching, upgrades, and ensure best practice network security standards. … Work closely with IT leadership to prioritise technical debt and shape future network strategy.What we're looking for: Strong background in global enterprise networking - WAN/LAN, MPLS, VPN, QoS. Demonstrable experience leading SD-WAN rollout/migration projects (HPE SD-WAN exposure desirable). Expertise across Cisco switching/routing (Nexus 3K/9K, BGP/OSPF/ More ❯

Network Manager - Financial Services - hybrid working - contract - London or Glasgow A leading financial services business based in the UK are looking to hire a Network Manager to join the business on an initial contract to work on a modernisation project. The ideal candidate will have worked as a Network Manager within financial services and will have previously … able to work in a fast paced environment, its essential that you have worked on Cisco/Palo Alto or similar. What you'll do: Own day-to-day network operations (LAN/WAN/SD-WAN, firewall, wireless). Lead and mentor the network team, providing guidance during major incidents. Drive the SD-WAN migration and LAN … modernisation project, ensuring operational readiness. Manage vendors and third-party MSPs, holding them to SLAs and performance requirements. Oversee patching, upgrades, and ensure best practice network security standards. Work closely with IT leadership to prioritise technical debt and shape future network strategy.What we're looking for: Strong background in global enterprise networking - WAN/LAN, MPLS, VPN More ❯

Cisco Network Engineer - City of London - Large financial services company - Salary up to £70,000 plus bonus and benefits - Hybrid working (3 times a week in London office) A large financial services company are currently looking for an experienced Network Engineer to join their growing team. The role will have responsibility for managing and designing the enterprise network which stretches globally. Duties will include: - Assisting architects with implementations - Guiding team members on network technologies - Driving enhancements to networks - Modernising infrastructure - Level 3 network technical support - Routing/Switching/Firewall implementations - Integration of switches, routers, wireless controllers, SDN, load balancers, NAC servers and cloud infrastructure - On call rotation support - Network security To be … considered suitable for this Senior Network Engineer role you will need the following skills and experience: - Experience in design and implementation of networks in a large user environment - Strong Cisco background (ideally CCNP/CCIE) - Knowledge of Layer 2 LAN technologies (VLANs, VTP, STP) - Understanding of high availability technology (VPC, SVL, HSRP) - Routing protocols - SDWAN technologies - CIsco Wireless technology More ❯

Act as an escalation point for the Service Desk Team * Set up and configure Local Area Networks (LANs), including hardware deployment and support * Coordinate with third-party MSPs for network and infrastructure management * Manage firewall operations and connectivity with ISPs * Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site … connectivity solutions, including 4G routers * Monitor network health and performance, ensuring high availability and resilience * Maintain inventory and configuration records for infrastructure and software * Collaborate with the Security Operations Center (SOC) on network security * Support software licensing and upgrades * Support data privacy and security audits * Provide technical support and mentoring * Maintain server rooms and ensure … operational efficiency * Develop and implement business processes and documentation Requirements: * Strong knowledge of Azure infrastructure management * Strong in network protocols (TCP/IP, DHCP, DNS, etc.), ideally candidates must hold a CCNA/CCNP etc. * Experience with FortiGate Firewalls and Windows Operating Systems * Familiarity with WAN, LAN, VPN, and wireless networks 4 days per week onsite initially, dropping to More ❯

Data centre migrations and hybrid cloud transitions (AWS, Azure, private cloud). End User Computing refresh programmes - Windows 10/11 upgrades, VDI rollouts, Office 365/M365 migrations. Network & security upgrades - WAN/LAN refresh, SD-WAN, firewall/security infrastructure enhancements. Cybersecurity initiatives - IAM (Identity and Access Management), SIEM integration, encryption, vulnerability management. Infrastructure for More ❯

Act as the senior escalation point for complex 3rd-line infrastructure, cloud, and networking issues. Lead and govern technical delivery across: Azure, Office 365, Windows Server SonicWall firewalls, VPN & security VMware/Hyper-V 3CX VoIP & supporting network infrastructure Own patching, maintenance standards, security alignment, and DR strategies. Ensure high-quality documentation, deployments, and configuration practices. Team … Support recruitment, onboarding, and long-term progression within the technical team. Project Delivery Lead and deliver internal and client-focused technical projects including: Cloud migrations Infrastructure upgrades VoIP deployments Network/security improvements Define scope, risks, timelines, and outcomes, ensuring delivery within agreed parameters. Work cross-functionally with leadership, service delivery, and commercial teams. Systems, Workflow & Process Development More ❯

advance precision healthcare. As a Cloud DevOps Engineer/Cloud Infrastructure Engineer , you will focus on building, automating, and managing scalable cloud infrastructure while ensuring the highest standards of security and availability. This is a contract-based role (6-12 months) offering hybrid/remote working options, a salary range of £500 - £600 per day (Inside IR35) and benefits. … Responsibilities: Develop and automate infrastructure for cloud-native networks, integrating APIs for seamless operations. Work with virtual cloud firewall appliances (e.g., CheckPoint, Cisco) to ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best practices, including unit testing, code reviews, and troubleshooting. Support … teams to deliver robust solutions. What We Are Looking For: Previously worked as a Cloud DevOps Engineer, DevOps Engineer, Platform Engineer, Cloud Infrastructure Engineer, Cloud Engineer, Infrastructure Engineer, Cloud Network Engineer, Cloud Platform Engineer, Cloud Operations Engineer,or in a similar role. Technical expertise in virtual cloud firewalls (CheckPoint, Cisco) and cloud security best practices. Strong Python programming More ❯

advance precision healthcare. As a Cloud DevOps Engineer/Cloud Infrastructure Engineer , you will focus on building, automating, and managing scalable cloud infrastructure while ensuring the highest standards of security and availability. This is a contract-based role (6-12 months) offering hybrid/remote working options, a salary range of £500 - £600 per day (Inside IR35) and benefits. … Responsibilities: Develop and automate infrastructure for cloud-native networks, integrating APIs for seamless operations. Work with virtual cloud firewall appliances (e.g., CheckPoint, Cisco) to ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best practices, including unit testing, code reviews, and troubleshooting. Support … teams to deliver robust solutions. What We Are Looking For: Previously worked as a Cloud DevOps Engineer, DevOps Engineer, Platform Engineer, Cloud Infrastructure Engineer, Cloud Engineer, Infrastructure Engineer, Cloud Network Engineer, Cloud Platform Engineer, Cloud Operations Engineer,or in a similar role. Technical expertise in virtual cloud firewalls (CheckPoint, Cisco) and cloud security best practices. Strong Python programming More ❯