Latest Network Security Jobs

Site Reliability Engineer

This role involves deep technical ownership of a core reliability domain such as observability, performance, data infrastructure, security, or networking within a cloud-native environment. The engineer will design scalable solutions, lead incident response efforts, and drive adoption of reliability best practices across engineering teams. Emphasis is placed on automation, cross-team collaboration, and improving system resilience at scale.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Technical Services Implementation Consultant

This role involves managing end-to-end customer integrations for Entrust’s IDV platform, with a primary focus on networking and secure connectivity projects such as IP allow-listing, firewalls, and VPN setup. The consultant acts as the technical delivery lead, coordinating between customer infrastructure teams and internal stakeholders, while also providing guidance on API and SDK integrations. The position emphasizes project coordination over hands-on configuration, requiring strong client-facing and cross-functional collaboration skills.

Entrust London, United Kingdom

Hybrid Permanent

Senior C++ Software Engineer

Design and develop high-performance, low-latency C++ systems for AI-driven cybersecurity solutions, focusing on innovation, memory safety, and scalability. Work within a cross-functional R&D team to build secure, production-grade native tooling that defends against unknown cyber threats. Specialise in modern C++ (C++17/20+), systems programming, and performance optimisation in Linux and cloud environments.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Senior SOC Analyst / London

This role involves end-to-end investigation of security incidents, proactive threat hunting, and detection engineering within a modern Microsoft security environment. The analyst will monitor cloud, endpoint, identity, and network telemetry, using tools like Microsoft Sentinel and Defender XDR to detect and respond to threats. The position supports vulnerability management, security posture improvement, and compliance, operating in a 24/7 hybrid shift pattern with a strong focus on proactive cyber defence.

Interface Recruitment London, United Kingdom £58,600 pa

Hybrid Permanent Clearance Required

Senior SOC Analyst

Senior SOC AnalystFarnborough UK | Fully On-Site24/7 Shift PatternCompetitive Salary + Shift AllowanceDV Clearance Eligible – British Citizens OnlyThis SOC role is on the frontline of cyber defence.I'm looking for a Senior SOC Analyst to join a high-performing Security Operations...

Fynity Farnborough, Hampshire, GU14 7JT, United Kingdom £48,000 – £58,000 pa

Sr. AI Threat Researcher

A senior individual contributor role focused on researching how threat actors exploit AI across the attack lifecycle, including LLM-powered social engineering, AI-generated malware, and attacks on agentic AI systems. The role involves analyzing telemetry and OSINT to detect adversarial AI use, developing detection strategies, automating research workflows using AI, and producing actionable intelligence for internal and external dissemination. Works cross-functionally with threat researchers, malware analysts, and engineers to integrate findings into protections and operational systems.

Sophos United Kingdom

Remote Permanent

Change & Adoption Lead (fixed-term)

This role focuses on transforming the IT service experience by leading change management and technology adoption initiatives across a global workforce. The person will map user journeys, identify productivity barriers, and design improvement initiatives using customer feedback and data analysis. They will create communication and training campaigns, drive stakeholder alignment, and advocate for user-centred design in IT service development, ensuring new technologies and processes are effectively adopted across the organization.

Sophos United Kingdom

Remote Temporary

Penetration Tester

This role involves conducting comprehensive penetration tests across networks, web and mobile applications, APIs, and cloud environments using both manual and automated techniques. The tester will simulate real-world cyberattacks, identify vulnerabilities, and produce detailed technical and executive reports with actionable remediation advice. A key focus is translating complex security findings for non-technical stakeholders while adhering to strict ethical and compliance standards in a security-cleared context.

SmartSourcing Ltd United Kingdom £60,000 – £80,000 pa

Remote Permanent Clearance Required

SOC Analyst - DV Cleared

This role involves maintaining a unified operational view across cyber, network, infrastructure, and physical security domains within a secure, live operations centre. The SOC Analyst will lead incident coordination, perform real-time alert triage, and ensure effective communication and decision-making during high-pressure situations. It is a hybrid position emphasizing operational leadership while requiring solid technical awareness to manage and escalate incidents across multiple teams.

CBSbutler Holdings Limited trading as CBSbutler Hanslope, Buckinghamshire, United Kingdom £60,000 – £65,000 pa

On-site Permanent Clearance Required

IT System Technologist

This role involves maintaining and modernising the organisation's Microsoft, cloud, and infrastructure systems, with a focus on improving resilience, security, and performance. The technologist will support critical systems, lead infrastructure projects, and introduce new technologies in collaboration with the Head of IT and third-party suppliers.

Spectrum IT Recruitment Birmingham, United Kingdom £50,000 – £55,000 pa

Hybrid Permanent

Incident Response Consultant - Weekend Shift , GBR)

Lead and conduct incident response engagements for high-profile cybersecurity breaches, performing forensic analysis across Windows, Mac, and Linux systems. Hunt for advanced threats using AI-native tools, analyze network and host data, and produce detailed reports for legal and executive stakeholders. Work weekends in a collaborative, mission-driven environment focused on stopping breaches at scale.

CrowdStrike United Kingdom

Remote Permanent Shift-work

Sr. Analyst, Falcon Complete , GBR)

Conduct real-time monitoring, analysis, and incident response for enterprise clients using advanced threat detection tools and AI-driven platforms. Perform malware analysis, forensic investigations, and remote remediation across Windows, Mac, and Linux environments. Develop security processes, mentor junior analysts, and contribute to thought leadership through technical communication and public speaking.

CrowdStrike United Kingdom

Remote Permanent

Splunk SIEM Engineer

Role Title: Splunk SIEM EngineerDuration: contract to run until 30/11/2026Location: Knutsford. Hybrid, 3 days per week onsiteRate: up to £587.33 p/d Umbrella inside IR35Role purpose / summaryJoin us as Splunk SIEM Engineer where you must design, develop and improve software,...

Experis Knutsford, Cheshire, United Kingdom

2nd Line Support Engineer

Provide 2nd line technical support for a global customer base, troubleshooting issues across Microsoft infrastructure, cloud services, and security platforms. Focus on resolving incidents related to Azure, Microsoft 365, Active Directory, and endpoint security while collaborating with internal teams and customers. Gain hands-on experience with modern technologies including Azure Virtual Desktop, Microsoft Sentinel, and Defender in a hybrid working environment.

IMT Resourcing Solutions Bromsgrove, Worcestershire, United Kingdom £30,000 – £40,000 pa

Cryptographic Operations Technician

Monitor and maintain cryptographic systems including key management, HSMs, PKI, and certificate services to ensure data confidentiality, integrity, and availability. Perform operational support, security assessments, and incident management within a global 24/7 security team. Develop documentation, training, and security controls while collaborating with stakeholders across technology and security functions.

Barclays Knutsford, WA16 9EU, United Kingdom