Latest Threat Detection Jobs

Sr. Security Researcher, TAC TBNA

This role involves conducting in-depth research on nation-state adversary operations and targeted intrusions, performing reverse engineering of malware, and developing tools and signatures for threat detection and tracking. The position is part of CrowdStrike's Technical Analysis Cell, a team dedicated to stopping advanced cyber threats and providing actionable intelligence to customers.

CrowdStrike Germany

Remote Permanent

Sr. Security Researcher, TAC TBNA

This role involves conducting in-depth research on nation-state adversary operations, reverse engineering malware, and developing tools to automate threat analysis. The position is part of CrowdStrike's Technical Analysis Cell, which plays a crucial role in enhancing the company's global threat intelligence and providing actionable insights to customers.

CrowdStrike

Remote Permanent

Cyber Security Engineer

This role involves monitoring and responding to security incidents, tuning security tools, and continuously improving the organization's cyber resilience. You will work with platforms like Microsoft Defender, Rapid7 SIEM, and Sophos Antivirus, and collaborate with IT teams to enhance security operations.

Required IT Br11Aa, BR1 1AA, United Kingdom £55,000 – £60,000 pa

Hybrid Permanent

Senior SOC Analyst Level 2

This role involves monitoring, triaging, and investigating real-time security alerts within a high-stakes SOC environment focused on national defence and critical infrastructure. The analyst will use SIEM tools, endpoint and network data to detect and respond to advanced threats, aligning detection strategies with MITRE ATT&CK. The position operates on a 24/7 shift pattern and plays a key role in incident response and threat improvement within a highly secure setting.

Fynity Hemel Hempstead, Hertfordshire, HP1 1EW, United Kingdom £50,000 – £58,000 pa

On-site Permanent Clearance Required

Network & Cyber Security Engineer

This role involves securing hybrid environments, on-site infrastructures, and cloud services, particularly Microsoft 365 and Fortinet/FortiGate firewalls. You will design and implement security frameworks, manage vulnerabilities, and support DevSecOps practices, working closely with engineering and operations teams.

GBR Recruitment Limited Lincoln, Lincolnshire, United Kingdom £55,000 – £60,000 pa

On-site Permanent Clearance Required

Network & Cyber Security Engineer

This role involves securing hybrid environments, on-site infrastructures, and cloud services, particularly Microsoft 365 and Fortinet/FortiGate firewalls. You will design and implement security frameworks, manage vulnerabilities, and support DevSecOps practices, working closely with engineering and operations teams.

GBR Recruitment Limited Newark on Trent, Nottinghamshire, NG24 1EA, United Kingdom £55,000 – £60,000 pa

On-site Permanent Clearance Required

Head of Product Security – CISO function - BPL

This role leads the Product Security pillar within the CISO function, embedding security into agile product development across Barclays' payments business. The focus is on shift-left security, developer collaboration, and secure-by-design practices—driving threat modelling, vulnerability management, and security tooling integration. It’s a technical leadership role that operates as a partner to engineering, not a gatekeeper.

Barclays London, E14 5RB, United Kingdom

Hybrid Permanent Clearance Required

Security Operations Centre Analyst

As a SOC Analyst, you will monitor, investigate, and respond to security events in a 24/7 onsite environment. You will handle incidents, improve detection capabilities, and produce clear reports for various stakeholders, working with technologies like Microsoft Sentinel and Splunk.

Searchability NS&D Watford, United Kingdom £50,000 – £60,000 pa

On-site Permanent Shift-work Clearance Required

Senior Security Engineer

The Senior Security Engineer will lead security engineering initiatives across FlexGen assets, focusing on NIS compliance, network security, and critical infrastructure protection. The role involves designing secure network architectures, detecting and responding to cyber threats, and supporting business continuity. Frequent travel to UK sites is required.

Appcast Enterprise Glasgow, Alba / Scotland, G2 1AL, United Kingdom

Hybrid Permanent Clearance Required

Cyber Security Analyst - Data Loss Prevention

This role involves operating and optimizing Data Loss Prevention (DLP) systems, primarily using Microsoft Purview and Zscaler, to detect and respond to potential data exfiltration across email, cloud, and web channels. The analyst will triage alerts, develop policies, and collaborate with SOC, Legal, and business teams to strengthen data protection. Success is measured by improved detection accuracy, reduced false positives, and fostering a strong data security culture across a large retail environment.

ASDA Ls115Ad, LS11 5AD, United Kingdom

Hybrid Permanent

Principal Cyber Analyst

As a Principal Cyber Analyst, you will analyze technical data to identify potential cyber threats and communicate the impact of Darktrace's products to clients. You will work closely with the SOC team, lead customer engagements, and mentor junior professionals while contributing to the organization's broader security initiatives.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

Principal Cyber Analyst

As a Principal Cyber Analyst at Darktrace, you will be deeply involved in analyzing technical data to identify and mitigate cyber threats, preparing customer-facing reports, and leading client engagements. You will work closely with the SOC team to provide real-time threat analysis and mentor junior professionals, contributing to the continuous improvement of Darktrace's cybersecurity solutions.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

AI Security Architect

This role involves designing and securing AI, LLM, and agentic systems within a large-scale enterprise transformation programme. You will lead the development of AI security standards, conduct threat modelling, and act as a subject matter expert across governance forums. The position requires close collaboration with engineering and security teams to ensure safe, scalable AI adoption using modern practices and emerging technologies.

Experis London, United Kingdom

Remote Contract

Sr. Security Engineer, Amazon Stores Security AppSec

As a Senior Security Engineer, you will collaborate with software development teams to ensure the security of Amazon's wide array of technology services, from e-commerce to machine learning pipelines. Responsibilities include threat modeling, secure code review, developing security automation tools, and providing security training and guidance.

Amazon London, United Kingdom

On-site Permanent

Security Architect

This role involves designing and assuring technical security architectures for high-threat government environments, focusing on secure system delivery and risk mitigation. You will work closely with security governance teams to influence design decisions, implement controls, and guide technical teams using both established and emerging technologies. The position requires active stakeholder engagement and the development of security frameworks, standards, and reference architectures across complex, sensitive systems.

TXP London, United Kingdom £700 – £750 pd

On-site Contract Clearance Required