21 of 21 Network Security Jobs in the City of London

Senior Network Engineer (Cisco/ISE/Palo Alto/Nexus) Hybrid working: 3 days per week required in the office. DGH Recruitment are currently recruiting on behalf of a leading global professional services firm who are looking for a Senior Network Engineer to join the team … office. The role will be Responsible for maintaining the existing LAN/WAN infrastructure as well as working on projects and Changes to the network infrastructure. Responsibilities: - Design, implement and manage complex network infrastructure using Cisco campus networking 9300 series and Cisco Nexus switches. - Configure and optimise Cisco ...

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 ...

Network Security Architect London - hybrid 6 months - potential for extension Inside IR35 - Umbrella only Active SC clearance required Required Skills Must be a UK National with minimum 5 years unbroken residency SC Clearance Strong experience as: Network/Security Architect High-level designer Providing 3rd-line … support SME-level technical support Strong documentation & communication skills Experience mentoring and coaching SMEs Technical leadership in developing network solution blueprints Working knowledge of industry standards: ITU ETSI 3GPP ORAN Ability to operate across multiple telecom domains: 4G/LTE 5G Core IMS 3G/4G/ ...

Network Security Architect London - hybrid 6 months - potential for extension Inside IR35 - Umbrella only Active SC clearance required Required Skills Must be a UK National with minimum 5 years unbroken residency SC Clearance Strong experience as: Network/Security Architect High-level designer Providing 3rd-line ...

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 ...

Security Administrator 6 months London - hybrid Inside IR35 - Umbrella only Role overview: Palo Alto Networks expertise to support and enhance our security operations. Palo Alto Networks provides a comprehensive, AI-powered SASE (Secure Access Service Edge) solution known as Prisma SASE. It is designed to converge networking … security into a single cloud-delivered platform to support hybrid workforces and modern, distributed enterprises You will be responsible for the administration, configuration, policy management, monitoring, and optimisation of Palo Alto security controls, ensuring secure and resilient network operations across enterprise environments. This role is hands ...

Security Architect - Cloud (Azure & AWS) London Based onsite £85,000 A high profiled consultancy firm is looking for a Security Architect to design and implement robust security frameworks for major clients. you will act as the primary authority on cloud security. You will bridge the gap between … business strategy and technical execution, ensuring that every project is resilient, compliant, and cost-effective. Leading Security Design: Architecting secure infrastructure solutions for Azure and AWS environments. Risk & Vulnerability Management: Conducting deep-dive analyses and risk assessments to identify and mitigate integration issues. Strategic Planning: Developing hardware and software ...

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 ...

high availability, disaster recovery, and business continuity design. Familiarity with infrastructure automation and IaC tools (e.g. Terraform, ARM, CloudFormation). Strong understanding of security principles (identity, access, encryption, network security). Excellent stakeholder communication and documentation skills Nice to have: Experience with container platforms (Kubernetes, Docker). ...

Scale/AI Ops My global telecoms company is looking fro a senior programme manager who has has global experience of working on infrastructure & network transformation programmes on a global scale Due to high profile of this at CEO level, we require somebody with gravitas and clear leadership presence … client can offer better service, more flexibility, and quicker responses to what its customers need, whether that's connecting to the cloud, switching network services, scaling up bandwidth, or improving security. The scope for the programme includes: A NaaS-based networking platform providing customers a single pane of glass ...

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 ...

days per week required in the office in London. Overview The role will focus on designing, implementing, and evolving identity, access, and infrastructure security capabilities across hybrid environments. Key Responsibilities - Monitor and evaluate emerging IAM trends (e.g., passwordless authentication, decentralised identity, adaptive access controls). - Lead automation and governance … Kerberos, LDAP). - Embed Zero Trust and least-privilege principles across systems and applications. - Own global firewall architecture and contribute to micro-segmentation and network security strategy. - Enhance privileged access management (PAM), including workflow and monitoring capabilities. - Ensure audit readiness and contribute to compliance frameworks (e.g., ISO standards ...

boutique private bank and leading electronic brokerage is looking to hire a SOC Analyst to join a pro-active team that in a maturing security environment. This person will focus on building out the firm's SOC incident management and response capabilities, amidst a wider security transformation … firm. A great opportunity to put your stamp on the security landscape of a financial institution for years to come. If you: are self sufficient and have improved a SOC environment in a financial services institution, have a proven track record implementing/using the MITRE Attack framework ...

customers. This is a client-facing leadership role owning the technical strategy and execution across endpoint modernisation, Microsoft 365 collaboration, and Microsoft E5 security and compliance. You will operate as a trusted advisor to senior technology and business stakeholders, shaping a secure, compliant, and high-performing employee experience across … migration from readiness and app compatibility through pilot and global rollout Define the global target-state architecture for endpoint management, collaboration, identity controls, security, and compliance Design and implement modern management using Microsoft Intune, Autopilot, Windows Update for Business, and device compliance policies Drive the Microsoft 365 workplace stack ...

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 ...

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 … 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 ...

companies, 80% of the largest banks in the US and India, and numerous innovators across the healthcare ecosystem. About Position and details: Role: Network Consultant Location: Harbour Exchange Square, London Mode: Hybrid(2 to 3 days to office) Experience: 6 to 15 years Job Type: Permanent role Knowledge, skills … engineering function in line with existing IT service management processes.Act as an escalation point, for the managed service, for problems pertaining to network technology and with a view to re-engineering. Successfully transition the support of new network technologies to the support team. This will include preparing written ...