Cyber Security Jobs in London

CrowdStrike · London

Internship on CrowdStrike's Technical Analysis Cell, researching nation-state and criminal intrusions through reverse engineering, malware analysis and automation tooling. Interns build host- and network-based detection signatures and produce finished threat intelligence reporting for varied audiences.

CrowdStrike · Germany

Internship on CrowdStrike's Technical Analysis Cell, researching nation-state and criminal intrusions through reverse engineering of malware and tooling. The role involves building automation for malware analysis, creating host- and network-based detection signatures, and producing finished threat intelligence reporting for customers.

Michael Page · Liverpool · £60,000 – £65,000 pa

Investigating and responding to escalated security incidents, performing detailed event analysis and threat detection while working with external security providers. Acts as a subject matter expert supporting cyber incident response, optimising SIEM, IAM and DLP platforms, running phishing simulations and security reviews across the technology estate.

Real · Devon · £600 pd

Hands-on operational support for identity and access management in a busy Higher Education IT team, covering Active Directory and Microsoft Entra ID. Day-to-day work includes user lifecycle management, group memberships and permissions, troubleshooting identity incidents, and cloud authentication administration, freeing senior specialists for project delivery.

Oscar Technology · London · £60,000 – £65,000 pa

Hands-on penetration tester owning engagements end to end across web applications, infrastructure, cloud platforms and APIs, from scoping through testing, reporting and client debriefs. Works alongside experienced testers, contributing to methodologies and tooling, with scope to develop in AI security assessments, assumed breach and red teaming.

Darktrace · Cambridge

Backend engineering role focused primarily on TypeScript, prototyping and building new features for AI-driven cybersecurity products. You'll work with a cross-functional team of engineers, designers and strategists, using Docker and cloud environments, with opportunities to specialise across languages like Python, Rust and C++. Hybrid, requiring at least two days a week in the Cambridge office.

Elevate Recruitment Limited · London · £38,000 – £50,000 pa

Data Engineering Lead required by our client an international educational establishment to provide the technical engine for the Value Management Office automating the visibility of portfolio performance and benefit realization across the organization. It is responsible for building and maintaining...

Cloudflare · London

Acts as primary technical responder for premium enterprise customers, autonomously investigating complex threat telemetry and handling live incident response for volumetric DDoS and application-layer attacks. Implements mitigation across OSI Layers 3, 4 and 7 using Cloudflare's security suite, performs packet and traffic flow analysis, and advises customers during active incidents. Requires 24x7 rotating shifts.

Cloudflare · London · €68,000 – €94,000 pa

Owns the strategic roadmap for Cloudflare's Email Security product, driving differentiation against legacy incumbents and integrating with the Zero Trust stack (Gateway, CASB, DLP). Works closely with Threat Intelligence and Detections teams, engages customers directly, and evangelizes the platform internally and externally.

Darktrace · Cambridge

Contributes to security research projects spanning rapid prototyping and open-ended initiatives, with a focus on generative AI systems. Investigates attacker tradecraft such as prompt injection, poisoning and extraction attacks, and provides feedback to product, development and machine learning teams. Hybrid role requiring two days a week in the London or Cambridge office.

Maxwell Bond · London · £115,000 – £135,000 pa

Owns security end to end for a confidential investment-data platform and its AI agents, split roughly 60% hands-on product and cloud security and 40% assurance and client-facing work. Sets AWS IAM, encryption and detection patterns, defines agent authorisation and prompt-injection defences, and drives SOC 2, ISO 27001 and AI Act readiness with penetration testing and client due diligence.

Michael Page · Liverpool · £60,000 – £65,000 pa

Act as the escalation point for an external MSSP, investigating and responding to security incidents and performing detailed event analysis to identify threats. Drive hands-on remediation, detection engineering, and security reviews across cloud and enterprise collaboration environments, using frameworks like MITRE ATT&CK. A one-year fixed-term contract with strong extension potential, hybrid across Liverpool, Glasgow, or London.

Next Best Move · London · £32,000 – £37,000 pa

Day-to-day IT support role within a charity's established IT team, covering Microsoft 365 and SharePoint administration, cloud systems, and IT asset management. Acts as main contact for external suppliers, delivers staff training, and contributes to IT policy and data security compliance. Hybrid working with involvement in technology working groups shaping IT strategy.

eFinancialCareers · London

Hands-on third-party risk assessments across the full vendor lifecycle, from due diligence and onboarding through periodic review and exit, with a focus on technology suppliers. Reviewing vendor evidence such as questionnaires, SOC reports and policies, challenging responses and tracking remediation to closure. Output feeds directly into risk committees and governance forums, with high volumes tied to PRA SS2/21, FCA SYSC 8, DORA and EBA outsourcing requirements.

HAYS Specialist Recruitment · London

Client-facing consulting role helping major organisations assess cyber risk, shape strategy and deliver transformation programmes. You lead multidisciplinary teams and work with senior stakeholders such as CISOs and CIOs, applying frameworks including NIST CSF, ISO 27001, NCSC CAF, CRI and NIS2. Senior Manager level adds business development, proposition and practice growth responsibility.