18 of 18 Network Security Jobs in the City of London

Network Engineer/Network Analyst - Cisco, CCNP, LAN/WAN, SD-WAN, CheckPoint, Zscaler/NetScaler, Cisco ISE, Meraki WiFi, SIEM, BAU/Projects. 12 Month FTC. London Hybrid. c.£70k-£80k + Oncall + Bonus + Excellent Benefits Global Law Firm seeks an experienced Network Support … Engineer to join its IT Infrastructure Operations team, supporting a global, 24x7 enterprise network across multiple international offices. Working as part of a specialist network engineering team , you'll provide 3rd Line BAU support across a mid-sized Cisco network, maintain mission-critical network services ...

Security Solutions Architect London | Hybrid A leading global financial services organisation is seeking an experienced Security Solutions Architect to join its Architecture function, shaping and delivering secure, resilient technology solutions across a complex enterprise environment. The Role You will be responsible for designing and governing security architecture … will produce high-level designs, conduct threat modelling and risk assessments, and provide architectural leadership throughout project lifecycles. Key Responsibilities Develop high-level security architecture and solution designs for enterprise technology initiatives. Evaluate emerging technologies and security tooling, providing recommendations and business justification. Conduct threat modelling, security ...

Markets is looking for an experienced Senior Network & Security Engineer to join our Technology team. This role plays a key part in designing, building and supporting our global network infrastructure, ensuring high performance, resilience and security across on-premise and cloud environments. You will work across … operations, supporting critical trading platforms in a fast-paced, regulated environment. Key Responsibilities Design, implement and maintain CMC Markets global LAN, WAN and cloud network infrastructure Deliver network engineering and design for new initiatives, alongside ongoing BAU growth and optimisation Monitor network performance, capacity and availability, providing ...

Senior Network Engineer (12 month Fixed Term Contract) Hybrid working: 3 days per week required in the office in City of London. The role will take responsibility for all operational monitoring, support and administration of my clients global 24x7 mission critical IT systems. Responsibilities: - Take the lead on network and network security operations - Daily System Monitoring of network systems and key processes - Reviewing system and application logs - Perform regular performance monitoring - Liaison with 3rd party suppliers on system issues - Operational responsibility for the network, WAN and Internet connections. - Update BCP\DR documentation and topologies ...

Your role at a glance The Senior Security Platform Engineer (m/f/d), is an advanced subject matter expert, responsible for facilitating problem resolution and mentoring for the overall Global Data Centers Office of Information Security (GDC-OIS) team. This role is critical in improving, developing … maintaining IT/OT vulnerability management programs and processes. This role performs and leads important tasks specialized at threat hunting, SIEM/SOAR, Network Security and other operational security tasks such as performance and availability monitoring, log monitoring, security incident detection and response, security event ...

Contract – Senior Network Security Architect Location: Kensington & Chelsea (onsite 3 days per week) Contract: 6 months | Inside IR35 Rate: Up to £800/day (dependent on experience) Start: ASAP Overview We’re looking for a Senior Network Architect (Security) to act as the Council’s senior … technical advisor across security, applications, infrastructure, data and networks . You’ll help define and govern a pragmatic enterprise architecture that supports organisational objectives, while also making rapid, high-quality design decisions to enable a safe and accelerated rebuild following a recent cyber incident. A core part ...

Markets is looking for an experienced Senior Network & Security Engineer to join our Technology team. This role plays a key part in designing, building and supporting our global network infrastructure, ensuring high performance, resilience and security across on-premise and cloud environments. You will work across ...

Council seeks a Senior Network Security Architect to advise across security, applications, infrastructure, data and networks, and to shape a pragmatic enterprise architecture after a recent cyber incident. This onsite role collaborates with the Cyber Recovery Programme Director and chairs the Technical Design Authority to guide major ...

ready design specifications. Define user access flows, privileged account onboarding models, workstation access patterns, and integration requirements. Design PAM onboarding processes for privileged accounts, network devices, platforms, and administrative users. Define PAW configuration requirements, including device hardening, access restrictions, connectivity, monitoring, and support processes. Work with network, security … design documents, interface specifications, workflow diagrams, and configuration guides. Support test planning, defect resolution, and design clarification during implementation.Ensure the design is compliant with security policies, audit requirements, and regulatory expectations. Required Skills and Experience Strong technical design experience in security, identity, infrastructure, or network environments. Practical ...

ready design specifications. Define user access flows, privileged account onboarding models, workstation access patterns, and integration requirements. Design PAM onboarding processes for privileged accounts, network devices, platforms, and administrative users. Define PAW configuration requirements, including device hardening, access restrictions, connectivity, monitoring, and support processes. Work with network, security … documents, interface specifications, workflow diagrams, and configuration guides. Support test planning, defect resolution, and design clarification during implementation. Ensure the design is compliant with security policies, audit requirements, and regulatory expectations. Required Skills and Experience Strong technical design experience in security, identity, infrastructure, or network environments. Practical ...

sites, office and home-based) I'm recruiting for an experienced Cyber Governance Consultant to join a leading cybersecurity consulting team delivering high-impact security and governance solutions across government and secure-sector clients. This is an excellent opportunity to work on complex cyber governance, risk and compliance programmes … helping organisations strengthen their security posture while meeting regulatory and business requirements. What you'll be doing You'll work closely with clients to assess, design and improve cybersecurity governance frameworks, providing strategic advice across areas including: Cyber governance, risk and compliance (GRC) Gap analysis against recognised security ...

Senior Network Engineer (12 month Fixed Term Contract) Hybrid working: 3 days per week required in the office in City of London. The role will take responsibility for all operational monitoring, support and administration of my clients global 24x7 mission critical IT systems. Responsibilities: - Take the lead on network and network security operations - Daily System Monitoring of network systems and click apply for full job details ...

Clearance is vital (non-negotiable) Duration: 18+ months | Start: ASAP IR35: Outside IR35 | Rate: £600/day Overview We’re seeking an experienced Network Architect to support a high‐profile, highly secure programme delivering mission‐critical network capabilities. This is a hands‐on architecture role requiring strong technical … depth across data centre and WAN networking , delivered in a controlled environment. Key Responsibilities Design and evolve secure network architectures across enterprise‐scale environments Produce HLD/LLD , implementation plans, and supporting technical documentation Lead architecture decisions across data centre, campus, and WAN domains Provide technical assurance and governance ...

Insurance client is currently seeking for a Network Demand Manager to take ownership of the demand, forecasting, financial planning and stakeholder engagement activities for Global Network Services. Key Responsibilities Own and manage the Network demand pipeline, ensuring requirements from affiliates, operations, engineering and architecture teams are captured … assessed and prioritised. Develop and maintain network financial forecasts, budgets and cost allocation models to support business growth and integration activities. Partner with vendors, technical teams and business stakeholders to evaluate requirements, optimise spending and support procurement and renewal activities. Coordinate onboarding and readiness activities for new affiliates, managing ...

Insurance client is currently seeking for a Network Demand Manager to take ownership of the demand, forecasting, financial planning and stakeholder engagement activities for Global Network Services. Key Responsibilities Own and manage the Network demand pipeline, ensuring requirements from affiliates, operations, engineering and architecture teams are captured … assessed and prioritised. Develop and maintain network financial forecasts, budgets and cost allocation models to support business growth and integration activities. Partner with vendors, technical teams and business stakeholders to evaluate requirements, optimise spending and support procurement and renewal activities. Coordinate onboarding and readiness activities for new affiliates, managing ...

December 2026 | Hybrid (3 days onsite, Central London) We're looking for an experienced Technical Project Manager to join a major programme delivering critical network infrastructure across a high-profile central London client. You'll take ownership of multiple infrastructure workstreams, leading projects from planning through to implementation … engineers, subcontractors and suppliers to ensure successful delivery Overseeing technical deployments including LAN/WAN, enterprise Wi-Fi, CCTV, Cat6/Cat6A, fibre and network security technologies Producing project reporting, executive updates and ensuring quality, compliance and H&S standards are met What we're looking for Proven ...

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 ...

will suit someone who has built, engineered, migrated and supported enterprise DDI environments, not someone whose DNS/DHCP experience has come purely through network security or firewall products. Key Responsibilities: Engineer, deploy and maintain enterprise DDI platforms, including Infoblox, Cygna Labs QIP and/or VitalQIP. Design ...