6 of 6 Permanent Network Security Jobs in the City of London

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 ...

Position: Service Delivery Engineer (Network) Located: 10 Dominion Street, London, EC2M 2EF Reporting to: Solution Engineering Team Lead About Us We are a fast-growing Managed Services Provider delivering connectivity, networks, firewalls, Microsoft cloud, and cybersecurity solutions. We partner with UK SMEs, commercial real estate landlords, and high-growth … solving complex infrastructure challenges with precision, speed, and a deep understanding of our customers needs. As we continue to evolve our services including modern security and automation-led delivery we are building a team that thrives on ownership, continuous improvement, and technical excellence. Our culture is driven ...

Security Consultant Location: London/Flexible Hybrid Working (3 days onsite per week) Salary: £50,000 - £65,000 + Competitive Benefits Package & Signing on Bonus Security Clearance Requirements Please note that any offer of employment is subject to successful BPSS and SC security clearance checks. Applicants must … outside of the UK. Full British nationality is also required for this position. About the Team Join a collaborative and innovative team delivering complex security solutions across the UK public sector, healthcare, defence, and central government environments. You'll work alongside experienced professionals on high-profile transformation programmes, using ...

call compensation We are seeking an accomplished Senior Cyber Operations Analyst to join a high-performing Blue Team operating at the forefront of modern security operations. This is a technical role suited to an experienced analyst with strong engineering instincts, hands-on coding capabilities, and a deep understanding … caveated UK SC Clearance. Key Responsibilities Develop, maintain, and optimise detection content (primarily within Splunk SIEM) to identify threats across cloud, endpoint, and network environments. Collaborate across security functions to identify gaps in logging, alerting, and detection coverage aligned to business risk. Improve SecOps processes by recommending enhanced ...

landing zone readiness, cutover planning, and decommissioning. * Own core Azure networking design and operations, including vNETs/subnets, routing, peering, private endpoints, NSGs, and network security patterns. * Manage hybrid connectivity concepts such as ExpressRoute, vWAN, VPN gateways, and integration with on-prem network services. * Support hybrid identity … across Active Directory and Microsoft Entra ID, including Conditional Access and identity governance controls aligned with Zero Trust principles. * Implement and maintain Azure security and governance controls (Policy/initiative, RBAC, logging/monitoring, and automated compliance guardrails). * Maintain working knowledge and provide escalation support of VMware vSphere ...

from generation to analytics Manage containerized deployments, CI/CD, and infrastructure as code Ensure reliability, observability, and cost efficiency across the platform 4. Security, Compliance & AI Safety Implement IAM, encryption, and network security best practices Manage secrets and audit logging Enforce multi-tenant isolation across agents ...