5 of 5 Contract Senior Security Engineer Jobs in London

Senior Security Engineer 1 Year Contract £650 - £700/Day Inside IR35 UK Wide locations, Hybrid Clearance: SC We are seeking a Senior Security Engineer for our Government client. This role can be based at whichever if your nearest of their hubs (UK wide … options), and will be office based 40%, and remote based 60%. The Senior Security Engineer role is an initial 1 year contract paying between £650 - £700/Day Inside IR35. This role is inside IR35 - Due to the service of the role it will ...

Senior Cloud Security Engineer (London, Bracknell or Bristol) We are HealthHero, Europe’s largest digital clinic. Join us at a pivotal moment as we scale our digital healthcare platform across Europe — giving you the chance to shape security at the heart of a fast-growing … driven business. We are recruiting an exciting Senior Cloud Security Engineer on an initial 12 month fixed term contract, with a view to becoming permanent – based in either our London or Bristol office two days per week. About the role This role will form a fundamental part ...

Senior Security Engineer Hybrid (2 days onsite - London)/12-month contract/Up to 700 PD (Inside IR35)/SC Cleared Role Overview: A prestigious public sector organisation is hiring two Senior Security Engineers with experience implementing Palo Alto Networks XSIAM within an enterprise … active SC clearance. You will play a key role in implementing, configuring, and managing Palo Alto Networks XSIAM to improve threat detection, incident response, security monitoring, and operational resilience. This is an excellent opportunity for a senior security professional to support a major cyber security initiative ...

Senior Security Engineer Hybrid (2 days onsite - London)/12-month contract/Up to £700 PD (Inside IR35)/SC Cleared Role Overview: A prestigious public sector organisation is hiring two Senior Security Engineers with experience implementing Palo Alto Networks XSIAM within an enterprise … active SC clearance. You will play a key role in implementing, configuring, and managing Palo Alto Networks XSIAM to improve threat detection, incident response, security monitoring, and operational resilience. This is an excellent opportunity for a senior security professional to support a major cyber security initiative ...

Senior Engineer - Identity & Token Security Rate: £550 day Outside IR35 Start Date: ASAP End Date: 18/12/2026 Active SC Clearance Location: Remote/Hybrid (UK-based) Responsibilities Design and implement OAuth 2.0 Token Exchange (RFC 8693) capabilities. Develop secure identity delegation and propagation patterns … strategies. Understanding of secure alternatives to shared-secret authentication mechanisms. Experience securing service-to-service communication within distributed microservice architectures. Understanding of zero-trust security principles. Knowledge of secure transit-layer protection and identity-based access controls. Identity Delegation & Token Management Experience implementing: Token down-scoping Audience restriction ...