15 of 15 Network Security Jobs in the City of London

Network and Security Specialist London (Moorgate) – Onsite – Permanent Competitive Salary VIQU have partnered with a global trading organisation looking to hire a Network and Security Specialist to take ownership of network and cyber security across a critical London-based environment. This is a hands … technically led role where the Network and Security Specialist will be responsible for protecting systems, ensuring high availability, and strengthening security posture while supporting day-to-day operations and future growth. Key Responsibilities: • Design, implement, and maintain secure network and security infrastructure to meet current ...

will be required to undergo vigorous onboarding checks - UK Only. Sponsorship NOT available. The main purpose of this job mainly focusses on information security, cybersecurity, and data security from a Greenfield perspective. We are on a journey to secure Cyber Essentials plus and ISO27001 certification. You MUST have … experience working with banking/financial services regulations, FCA, PRA etc. Liaison with the Head Office, Security Operation Centre or Data Centre for implementing security policies, procedures, projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure ...

Cyber Security Engineer Contract duration: 3 months Location: London Paying inside IR35 Join our client's Information Security (‘InfoSec’) team, where you will play a crucial role in establishing and driving the security engineering capability. This position offers the opportunity to work within a dynamic environment, ensuring … security of our IT infrastructure and contributing to the overall safety of our operations. Day-to-day of the role: Capture and refine information security requirements and ensure their integration into information systems through proper configuration. Work collaboratively with stakeholders across the organisation to embed adequate security ...

Senior Security Analyst/Security Engineer London (City) | £80,000–£90,000 | PermanentIf you’re the kind of security engineer who can spot an active threat, contain it calmly, and then harden the environment so it doesn’t happen again — this role is built for you.We … hiring a hands-on Senior Security Analyst/Security Engineer to strengthen a Microsoft-centric security posture across detection, response, tooling, and infrastructure hardening. Not a one-lane SOC role. Not governance-heavy. This role blends incident response with security engineering and hardening and ideal ...

About the Role We are seeking an experienced Infrastructure Project Manager to lead a large network security programme. The role involves managing an in-house infrastructure project while coordinating with external suppliers, to help set up for future cloud migration, so understanding cloud environments is essential. Hybrid … London-based office Rate - up to £850pd inside IR35 via umbrella Duration - initial 6 months Key Responsibilities Manage a technical programme to deliver network security across both infrastructure and applications. Scope and plan the project, engaging with SMEs and wider teams. Manage two smaller application upgrade initiatives alongside ...

Title: Network Specialist (SC Cleared) Location: London (Hybrid - 1-2 days per week onsite) Contract: 6 months Rate: £650 - £700 per day (Inside IR35) About the Role: 83zero is partnered with a leading bank seeking an SC Cleared Network Specialist to join their team. This role will focus … design, deployment, and support of cutting-edge network solutions, particularly Cisco SD-Access and Cisco SD-WAN technologies. As part of this contract, you will play a key role in enterprise-scale network delivery, ensuring high availability, security, and performance across a complex IT landscape . ...

Network Installation Engineer - Cisco London & Home Counties | £35,000-£45,000 DOE + vehicle + benefits We're looking for a hands-on Network Installation & Commissioning Engineer to join a leading home automation and AV integrator in London. This is a site-based role focused on deploying, configuring … commissioning Cisco-based network infrastructure for luxury residential and commercial projects. This is not an IT support or service desk role. You'll be on-site, physically installing and configuring networks, ensuring performance, reliability, and integration with client systems. The role You'll take ownership of network installations ...

Extensions and APIs? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which … have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR/EDTR You have VPN client or security experience You're collaborative with great communication skills You have experience ...

Cyber Practice. You will work with high-profile clients to ensure effective cyber incident detection, response, and threat mitigation across cloud, endpoint, and network environments. Key Responsibilities: Develop, maintain, and enhance security detection content for SIEM platforms (e.g., Splunk) to detect threats across diverse environments. Collaborate with security … improve SecOps standards and capabilities, highlighting optimization opportunities. Monitor, triage, and investigate triggered alerts, suggesting improvements where necessary. Respond to and investigate cyber security incidents, acting as a point of escalation for junior analysts. Serve as a technical subject matter expert on client engagements, presenting findings to senior stakeholders. ...

based in London, with hybrid working in place. This team underpins highly available, low-latency platforms that operate across international markets and demand exceptional network performance and stability. The role centres on the design, delivery, and optimisation of complex enterprise networks spanning data centres, campus environments, and cloud platforms. … will be trusted as a senior technical authority, taking ownership of routing architecture, contributing to strategic decisions, and ensuring the network can support real-time, high-throughput workloads. Key Responsibilities: Design and operate resilient network architectures across LAN, WAN, data centre, and cloud environments Own and optimise routing ...

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 - 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 ...

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 - 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 ...

Remote Overview: I am currently recruiting for a Technical Pre-Sales Engineer with one of my clients who are a global, innovative OT Cyber Security Consultancy. Backed by research and led by innovation, my client is committed to exceeding expectations by tailoring solutions to their client’s industry-specific … conferences and trade shows Essential Skills & Experience: 3+ years’ experience in a pre-sales/customer support position 3+ years’ experience in the cyber security domain – network security implementation, SOC analytics, etc. Hands-on technical experience is a must – TCP/IP, Layer 2 and Layer ...

Gateway, ExpressRoute, Application Gateway, Azure Firewall, Load Balancer, Front Door, Traffic Manager). A strong understanding of TCP/IP, routing, DNS, VPNs, and network security concepts is also essential. Practical experience of managing Azure Key Vault (network-restricted vaults, policies, integrations) & Azure Databricks (VNet injection, private ...

guardrails, and reusable blueprints for solution teams. Lead end-to-end solution designs including API contracts, integration patterns (Azure Functions, Logic Apps, Event-driven), security boundaries, and observability. Architect document intelligence pipelines (classification/extraction/OCR/validation) and integrate with downstream systems (CRM/ERP/ITSM … requirements (availability, latency, throughput, cost, DR/RTO-RPO) and ensure solutions meet them. Implement identity & access (Entra ID), data isolation, Key Vault secrets, network security (Private Endpoints), and content filtering. Embed Responsible AI practices: safety filters, prompt/content governance, data privacy, red-teaming guidance, and human ...