26 to 46 of 46 Network Security Jobs in the City of London

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 ❯

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

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 ❯

Cyber Security Project Manager required for education sector client. You will lead and coordinate delivery of key initiatives across our Group Cyber Security Programme. This is a multi-region role, managing projects in areas such as endpoint protection, vulnerability management, IAM, network security, data protection, and cloud security. Key Responsibilities: Oversee and deliver cyber security … Monitor and report project progress, manage risks, and provide delivery assurance. Chair governance forums, escalate critical issues, and ensure visibility of project outcomes. Support testing, handover, and embedding of security controls in operations. Maintain project documentation, RAID logs, and support audits and compliance activities. Skills & Experience: Proven experience managing complex cyber security projects in multi-region/federated … organisations. Strong technical knowledge: endpoint protection, vulnerability management, IAM, network and cloud security. Experience coordinating stakeholders, vendors, and regional IT teams. Excellent project management, organisational, and communication skills. Familiarity with PRINCE2, PMP, or Agile delivery methodologies. Security/cloud certifications (CISSP, CISM, CompTIA Security+, AWS/Azure Security) desirable. Knowledge of NIST CSF, ISO 27001, or CIS More ❯

end-to-end Cisco-based solutions across a wide range of enterprise and SMB clients. You'll be client-facing, hands-on focused on consulting, designing, and delivering complex network and security solutions. You'll work closely with architects, project managers, and sales teams to bring high-impact projects to life – from discovery to implementation. Key Responsibilities: Lead … technical design, implementation, and migration of Cisco network and security solutions. Act as a subject matter expert and escalation point for complex deployments. Deliver client workshops, technical documentation (HLDs, LLDs, SoWs), and solution demonstrations. Support pre-sales and bid processes through technical input, solution shaping, and documentation. Collaborate with cross-functional teams to ensure successful project delivery. Provide … technical governance across projects and mentor junior consultants. Required Skills & Experience: Active CCNP (Enterprise & Security) certifications are essential. 5+ years’ experience delivering enterprise Cisco network/security solutions. Cisco Catalyst & Nexus switching (traditional and SDA) Cisco SD-WAN Cisco Secure Firewall, ISE, and SASE/SSE Advanced routing (BGP, OSPF, MPLS, VxLAN EVPN) VPN (IPsec, SSL), NAC More ❯

Leadenhall Search and Selection are recruiting on behalf of a fast-growing, PE backed advisory firm in the US. They are seeking a Cyber Security Manager to lead risk and maturity assessments, implement security controls, advise on strategy and governance, develop risk management frameworks, and apply hands-on technical expertise to enhance clients’ cybersecurity posture. Responsibilities Conduct cybersecurity … maturity and risk assessments, advising clients on strategy, metrics, and board-level reporting. Implement and manage security controls across MDR, IAM, network security, and cloud environments. Develop and operationalize risk management frameworks, including policies, procedures, and risk registers. Provide guidance on cybersecurity governance, including policy, standards, and awareness training programs. Leverage hands-on experience in system administration … network design, and security analysis to enhance client defences. Mentor junior team members. Requirements 5+ years in technology or security related fields. Strong interpersonal and communication skills. What's on offer Competitive salary Hybrid work model and flexible time off. Career development opportunities across industries. Collaborative, growth-focused culture. Interested? Apply directly or connect with me on More ❯

Role : Security Architecture Lead Location : London HQ 2 days p/w Salary : £130,000 + 20-30% bonus Industry : Law/Professional Services A strong, well-respected and innovative Law Practice are seeking a Security Architecture Lead to strengthen the security design of its growing technology estate and ensure robust protection of sensitive client and case … data. The role will champion modern security patterns, uplift technical controls, and guide teams toward secure, resilient solutions. Responsibilities Define and maintain the firm’s security architecture roadmap. Lead design of secure integrations across case management, collaboration, and cloud services. Review major technology initiatives and provide architectural approval. Drive adoption of modern identity, endpoint, and network security patterns. Work closely with suppliers to ensure external solutions meet firm standards. Provide expert input into audit responses, client assurance, and certification efforts. Requirements Experience leading security architecture in complex, multi-vendor environments. Strong understanding of data protection, access governance, and secure service design. Ability to translate risks into practical design guidance for engineers and project teams. Familiarity More ❯

Wireless Engineer to join our innovative technology team. As a Cisco Meraki Wireless Engineer, you will be responsible for the end-to-end lifecycle of our clients' cloud-managed network infrastructures, with a primary focus on designing, deploying, and optimizing enterprise-grade wireless solutions. You will collaborate closely with network architects, project managers, and client stakeholders to deliver … leveraging cloud technologies to solve complex business challenges Key Skills And Responsibilities ● Lead the design, implementation, and optimization of enterprise-grade Cisco and Meraki wireless, SD-WAN, switching, and security solutions. ● Configure, monitor, and maintain the full suite of Meraki devices, including wireless access points (MR series), switches (MS series), and security appliances (MX series), utilizing the Meraki … and reliability for high-density environments. ● Apply expert-level knowledge of modern wireless protocols and standards, including Wi-Fi 6/6E/7 (802.11ax/be), and advanced security mechanisms such as 802.1x, WPA3, and RADIUS authentication. ● Provide high-level consulting support for clients on Meraki cloud adoption strategies, demonstrating the value of a centralized, cloud-managed architecture. More ❯

Job Title : Network Infrastructure Design Engineer – Smart Buildings & Construction Why Join Us? Step into a dynamic technical role at a UK-leading specialist delivering fully integrated network infrastructure solutions across high-profile construction and commercial projects. Here's why this opportunity stands out: Work on Iconic Projects – Play a key role in delivering Smart Building-ready networks across … some of the UK's most prestigious developments. Hands-On Impact – Own the end-to-end design and commissioning of converged network systems, from blueprint to build. Smart Technology Focus – Engage with cutting-edge IP-based building systems including Wi-Fi, security, IoT, AV, and BMS integration. Professional Growth – Access ongoing development and Cisco training within a high … team. Supportive Environment – Collaborate with a knowledgeable, forward-thinking technical and project delivery team that values innovation and precision. Key Role Responsibilities Translate construction drawings and technical specs into network design deliverables; raise and manage RFIs as needed. Develop high-level (HLD) and low-level (LLD) designs for complex, converged IP networks. Prepare Bills of Materials (BOMs) to support More ❯

Senior Cloud Network Engineer 👔 Crypto 📍 London (2-3 days p/w) 💵 £100-140k Do you want to work for a rapidly scaling Crypto startup who are backed by one of the top global banks? Do you want to play an integral role in the tech team, utilising both AWS Cloud and Core Networking skillsets? My client are … who's cutting edge approach to Trading and Asset Management is making big waves in the wider Crypto space. They now have an imminent requirement for a Senior Cloud Network Engineer to help with the ongoing support and optimisation of their platform. Their ideal candidate would have good knowledge of: Cloud (AWS) Core Networking (LAN/WAN, routing/… switching, firewalls, load-balancing, DNS) Network Security (Perimeter Networks/FWs, Proxies, Remote Access, SASE/VPN, DDoS) Palo Alto Firwalls Automation (Terraform) Data Centres/OnPrem Support/Troubleshooting experience In return they would be offering a competitive salary along with a number of top benefits: Generous salary Annual Bonus Private Medical 25 days AL (+ public More ❯

MDR MSSP Hybrid 2/3 days in their London Office £90-100k base A leading provider of managed cybersecurity services committed to protecting organisations with their comprehensive security solutions is currently seeking an experienced and dynamic Presales Solution Architect to join their team. This senior role requires a blend of deep technical expertise, strong business acumen, and … need to have: Minimum of 5 years of experience in a presales, solution architect, or similar role within the cybersecurity industry. Extensive knowledge of cybersecurity technologies and solutions (e.g., network security, endpoint protection, SIEM, cloud security). Strong business acumen with the ability to align technical solutions with business objectives. Excellent presentation, communication, and negotiation skills. Proven 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 ❯

willing to review delivery plans, represent the team and be willing to challenge in a constructive way. Through the project you will work alongside other teams, such as Cyber Security, Testing the Application Team and the Cloud Operations team. You must be familiar with good change control processes. If you are a passionate and results-focused Senior SRE with … Door, SQL, and Load Balancers to support secure and high-performing cloud environments Assess networking requirements and help design appropriate solutions, including load balancing, firewalls, routing, application gateway and network security Troubleshoot and resolve complex issues related to cloud infrastructure and applications Experience of Azure monitoring, performance management and testing Collaborate with stakeholders to gather requirements, work with More ❯

site duties, eg Manual Handling, Working at Height, Health and Safety training. Other duties assigned as needed Skills and Abilities: Provide technical leadership for the onsite maintenance team. Perform network troubleshooting to diagnose static and dynamic IP addresses Edit software code using audio mixer software to calibrate digital signal processor technology and eliminate echo and feedback. Gather and analyse … certifications (e.g., AVIXA CTS, Creston, Dante, Biamp, Cisco Collaboration Devices) Formal education in Electronics or related field preferred Minimum of a High School Diploma or equivalent preferred Basic IT network security & protocols AVI-SPL is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy More ❯

protect, and manage data outputs, including Data Loss Prevention (DLP) and Rights Management. Conduct 3rd party risk analysis, controls, audit, and cyber resilience and recovery assessments. Review cloud and network security posture, including mobile data and device protection. Manage policy and procedure lifecycle, including development, testing, review, and compliance audit participation (internal and external). Support business development … or implementing secure solutions based on regulatory frameworks such as ISO, NIS, NIST, TISAX, DORA, NCSC CAF, or IEC62443. Background in GRC consulting or cybersecurity governance. Ability to balance security, compliance, usability, agility, and cost considerations. Experience creating business cases, roadmaps, or strategic recommendations for regulatory compliance. Strong communication skills and the ability to work effectively with clients and More ❯

on engineering, troubleshooting, and integration within a complex global network. Key Skills: Strong experience with Zscaler Internet Access (ZIA) and/or Zscaler Private Access (ZPA) Solid background in network security, firewalling, and proxy technologies Experience integrating Zscaler with identity and access solutions (e.g. Azure AD, Okta) Scripting or automation knowledge advantageous (Python, PowerShell, etc.) Zscaler certifications (ZCCA More ❯

on engineering, troubleshooting, and integration within a complex global network. Key Skills: Strong experience with Zscaler Internet Access (ZIA) and/or Zscaler Private Access (ZPA) Solid background in network security, firewalling, and proxy technologies Experience integrating Zscaler with identity and access solutions (e.g. Azure AD, Okta) Scripting or automation knowledge advantageous (Python, PowerShell, etc.) Zscaler certifications (ZCCA More ❯

Infrastructure & Cloud Projects (MSP) • Fantastic opportunity for an experienced Senior Infrastructure Engineer to join a fast-growing and technically driven Managed Service Provider delivering enterprise-grade infrastructure, cloud, and security solutions. • Full-time, permanent role based in London with hybrid working options and a competitive salary (DOE). • Immediate start available – professionals with strong experience in Microsoft infrastructure, Azure … include: • Acting as the technical escalation point for complex infrastructure issues across servers, networking, cloud, and security. • Leading end-to-end project delivery – including migrations, virtualisation, Azure deployments, and network upgrades. • Designing and implementing infrastructure solutions tailored to client requirements. • Delivering high-quality documentation and project handovers. • Mentoring junior engineers and promoting best practices within the technical team. • Implementing … and maintaining strong security measures across infrastructure and cloud environments. What will you need? • Minimum 3+ years’ experience in a senior infrastructure or 3rd-line engineering role. • Experience working within a Managed Service Provider (MSP) or multi-client environment. • Proven expertise in the Microsoft tech stack: Windows Server, Active Directory, DNS, DHCP, GPOs, WDS, Azure AD, Azure Virtual Machines More ❯

Infrastructure Engineer • Fantastic opportunity for an experienced Infrastructure Engineer to join a fast-paced and technically driven Managed Service Provider delivering enterprise-grade infrastructure, cloud, and security solutions. • Full-time, permanent role based in London with hybrid working options and a competitive salary (DOE). • Immediate start available – professionals with strong experience in Microsoft infrastructure, virtualisation, and networking within … and virtualisation platforms (Hyper-V/VMware). • Implementing and maintaining enterprise-level backup solutions using Veeam. • Supporting cloud technologies such as Microsoft 365, Azure, and Google Workspace. • Managing network configurations including DNS, DHCP, VLANs, IP routing, and VPNs. • Assisting in infrastructure upgrades, migrations, and security deployments. • Producing detailed technical documentation and contributing to project delivery. • Acting as More ❯

Contract Role: Cyber Security Delivery Manager Outside IR35 | Immediate Start | £500 per day Location: Central London (Hybrid) Duration: 6 months (with potential extension) About the Role We are seeking an experienced Cyber Security Delivery Manager to join a global organisation operating within a federated model. This is a technical delivery-focused role responsible for driving and overseeing a … range of technical cyber initiatives across multiple regions, ensuring alignment with global security objectives. While much of the role involves light-touch delivery oversight, you will also act as technical lead on several high-impact initiatives, including but not limited to: Global EDR consolidation (Microsoft Defender) MFA rollout Implementation of a new SIEM platform Key Responsibilities Lead the delivery … of cyber security projects such as endpoint protection, vulnerability management, identity & access management, and network security. Develop and manage project plans, milestones, risks, and budgets. Coordinate delivery across regional teams, ensuring consistency and practicality. Manage third-party vendors and partners to ensure timely, high-quality outcomes. Provide delivery assurance and proactively resolve barriers to progress. Essential Skills & Experience More ❯

or JAMF Pro for software deployment and patching. Develop, test, and deploy automated scripts ( PowerShell, Python, or Bash ) to streamline routine maintenance, provisioning, and configuration tasks. Manage and enforce security and group policies within Active Directory, Azure AD, and Okta for identity and access management. Oversee and standardize the configuration, deployment, and imaging process for all new hardware. Project … major IT projects, including large-scale OS migrations, enterprise application rollouts, and infrastructure upgrades impacting the end-user environment. Act as the subject matter expert (SME) for desktop standardization, security compliance, and VDI management. Collaborate with Infrastructure and Security teams to test, validate, and roll out security patches and system changes. Mentorship & Knowledge Transfer Serve as a … endpoint management tool (SCCM, Intune, or JAMF). Advanced scripting skills (e.g., PowerShell or Python) for automation and task efficiency. Deep understanding of enterprise networking protocols, VPNs, and advanced security configurations. Expert knowledge of Microsoft 365/Office 365 administration and advanced troubleshooting. Soft Skills: Proven ability to lead small projects, excellent communication and documentation skills, and experience in More ❯