Latest Network Security Jobs

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UX/UI Product Designer - Enterprise Cybersecurity Platforms

Design intuitive, data-driven interfaces and visualizations for enterprise cybersecurity platforms used by organizations worldwide. Collaborate with cross-functional teams to simplify complex security workflows through wireframing, prototyping, and design system evolution. Conduct user research and usability testing to inform iterative improvements across desktop and mobile applications.

Darktrace Cambridge, CB2 3BJ, United Kingdom
Hybrid Permanent

Senior Threat Behavior Researcher (UK)

This role involves conducting in-depth behavioral analysis of Windows-based threats and developing real-time protection rules to detect and block malicious activities, including hands-on keyboard attacks, malware payloads, and APTs. The researcher will create behavioral and cleanup rules, improve sandbox detection by identifying evasion techniques, and produce technical reports. Collaboration with cross-functional teams and mentoring junior researchers are also key responsibilities, all within a remote-first, globally distributed security team.

Sophos United Kingdom
Remote Permanent

Senior Threat Researcher (UK)

Develops high-fidelity threat detections by analyzing malware and web attacks using multi-source telemetry and threat intelligence. Translates research into actionable alerts across Sophos' security platform with a focus on reducing noise. Works closely with threat intelligence and product teams to enhance detection accuracy for endpoint, cloud, and network environments.

Sophos United Kingdom
Remote Permanent
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Senior Cyber Infrastructure Engineer, Professional Services

This role involves leading the deployment, integration, and optimization of Darktrace’s AI-driven cybersecurity solutions across network, cloud, OT, and email environments. The engineer acts as a trusted technical advisor to customers, designing secure architectures, troubleshooting complex issues, and ensuring deployments meet high performance standards. The position also includes cross-team collaboration, mentorship of junior staff, and proactive support to maintain robust security postures.

Darktrace London, UB8 1LQ, United Kingdom
CrowdStrike logo

Sr. Security Researcher , DEU)

Conducts advanced vulnerability research and exploit development, focusing on analyzing patches, identifying zero-day vulnerabilities, and building automated tools for large-scale data analysis. Publishes findings internally and externally while supporting other teams with technical expertise. Works remotely within a global cybersecurity intelligence team.

CrowdStrike Alba / Scotland
Remote Permanent
CrowdStrike logo

Sr. Security Researcher , DEU)

Develop automated tools for large-scale data analysis, conduct vulnerability research, and reverse engineer exploits across Windows, Linux, and other platforms. Support threat intelligence efforts by identifying malicious infrastructure, analyzing patches, and reproducing 0-day exploits. Publish findings internally and externally while collaborating with intelligence teams to deliver actionable technical insights.

CrowdStrike England
Remote Permanent

Principal Software Engineer

Design and develop software solutions for Workload Identity challenges, spanning networking, security, and cloud technologies. Collaborate with stakeholders and lead technical implementation from prototyping to production. Mentor team members and guide engineering efforts in a high-impact cybersecurity environment.

Palo Alto Networks London, United Kingdom
Hybrid Permanent

Principal Consultant, Incident Response (Unit 42)

Leads high-stakes incident response engagements for clients, conducting forensic investigations across Windows, Linux, and macOS systems to identify breaches and attack vectors. Uses advanced tools like EnCase, FTK, and Splunk to analyze logs and memory artifacts, delivering actionable remediation strategies. Mentors junior consultants and collaborates with internal teams to strengthen client security postures.

Palo Alto Networks London, United Kingdom
Hybrid Permanent

Red Team Director

Leads a red teaming function to proactively identify and exploit vulnerabilities in Barclays' IT systems, enhancing cyber resilience through adversary emulation, purple teaming, and real-time collaboration with security operations. Develops offensive security strategy, integrates AI into testing, and strengthens organisational readiness against advanced threats. Works closely with senior stakeholders to influence security investment and control priorities.

Barclays United Kingdom

SOC Analyst

This role involves monitoring and securing IT and OT networks within a critical national infrastructure environment, focusing on threat detection, incident response, and compliance with regulatory standards. The analyst will act as a security subject matter expert, supporting security operations using tools like SIEM, SOAR, EDR, and cloud platforms such as AWS and Microsoft Sentinel. The position offers opportunities to develop expertise in industrial control systems and work within a forward-funded security transformation programme.

TRIA United Kingdom £53,000 – £53,800 pa
Hybrid Permanent Clearance Required

2nd Line IT Support - Training Course

About the opportunityNetcom Training’s government-funded IT Support course is your shortcut to breaking into IT and launching a career in tech. Learn the essentials - hardware, networks, cloud computing, troubleshooting and more - in an interactive online format and earn...

Netcom Training Birmingham, West Midlands (county), United Kingdom
Entrust logo

Principal Oracle Business Systems Analyst (Order Management & Pricing)

This role involves leading Oracle-based solutions for Order Management and Advanced Pricing within a global enterprise environment. The Principal Analyst will configure, optimize, and support Oracle EBS and Cloud ERP systems, working closely with business stakeholders to translate complex requirements into scalable technical solutions. Key responsibilities include system configuration, data integration, change management, and mentoring junior analysts across a hybrid working model.

Entrust London, United Kingdom US$129,427 – US$189,826 pa
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Principal Oracle Business Systems Analyst (Order Management & Pricing)

This role involves leading Oracle EBS and Cloud ERP solutions for Order Management and Advanced Pricing, with a focus on global supply chain processes. The Principal Analyst will configure complex pricing and order workflows, lead system integrations, and mentor junior team members. The position requires deep functional and technical expertise in Oracle SCM modules and strong collaboration with cross-functional stakeholders.

Entrust Cambridge, United Kingdom US$129,427 – US$189,826 pa

ITSM JiraSM Platform Engineer - Barclaycard Payments

Design and engineer ITSM change workflows in Jira Service Management, integrating with CI/CD, monitoring, and observability platforms to enable safe, automated, and auditable change control. Focus on platform-driven policy guardrails, automation, and service management integration within a regulated payments environment. Work closely with engineering teams to reduce friction while maintaining compliance and security.

Barclays London, E14 5RB, United Kingdom
Hybrid Permanent Clearance Required

IT Integrations Engineer

This role involves leading technical integration projects for businesses following corporate acquisitions, focusing on consolidating IT environments using Microsoft 365, Azure, and related security tools. The engineer will assess existing infrastructure across Windows, macOS, and Linux systems, design integration plans, and execute secure migrations—including tenant-to-tenant M365 moves. A key responsibility is developing reusable onboarding frameworks and documentation to streamline future integrations.

Searchability Sheffield, United Kingdom £50,000 – £55,000 pa