Latest security architect Jobs

Senior Hardware Engineer

Design and develop high-quality Hardware Security Modules (HSMs) with a focus on security, reliability, and manufacturability. Engage in hardware prototyping, integration, and validation within an Agile framework, while supporting certification requirements and mentoring junior engineers. Work across electronic, digital, and mechanical domains in a multidisciplinary team.

Entrust Cambridge, United Kingdom

Principal Cloud DevOps Engineer

Design and manage scalable cloud infrastructure for an ML-powered identity verification platform using AWS, Kubernetes, and GitLab CI/CD. Automate deployment pipelines, enhance system reliability, and collaborate with security and product teams to improve platform resilience. Work in a technology-agnostic environment with tools like Terraform, Helm, Vault, and FluxCD.

Entrust

Hybrid Permanent

Account Executive (Romanian Speaking)

This role involves driving full-cycle enterprise sales for Darktrace's AI-powered cybersecurity platform, focusing on the Central and Eastern European market. You'll prospect, engage CISOs and security leaders, demonstrate solutions, and close high-value deals with support from SDRs and technical teams. The position requires strong sales acumen, fluency in Romanian and English, and a tech-savvy interest in cybersecurity.

Darktrace London, UB8 1LQ, United Kingdom

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

Network Engineer III - Backbone , London)

Design and operate large-scale, fault-tolerant hybrid cloud networks connecting data centers and edge locations across multiple cloud providers. Focus on IP and optical technologies, automation via infrastructure-as-code, and improving network reliability, scalability, and security. Lead initiatives from concept to deployment while participating in on-call support for critical systems.

CrowdStrike London, United Kingdom

Hybrid Permanent

Automation Engineer II, Falcon Complete

This role focuses on building and maintaining security automation workflows, SOAR playbooks, and AI-powered response systems to enhance detection and triage efficiency within a managed detection and response (MDR) environment. The engineer develops Python and PowerShell scripts, integrates REST APIs, and incorporates LLMs and AI services into automated pipelines while ensuring reliability through testing and optimization. Work emphasizes collaboration with SOC teams, version control, and innovation in AI-driven cybersecurity operations.

CrowdStrike

Remote

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

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

FPGA Firmware Electronics Engineer - Defence - Cambridge

This role involves working on cutting-edge defence technologies, including communications, sensors, and detection systems. You will collaborate with multidisciplinary teams to develop and innovate, with opportunities for skill development and career advancement.

Newton Colmore Cambridge, United Kingdom

On-site Permanent Clearance Required

Senior Cybersecurity Lead

Lead the development and execution of cybersecurity strategy across Five Guys' European operations in a hands-on, greenfield role. Define security policies, strengthen cloud and identity security, lead incident response, and ensure compliance with GDPR, PCI-DSS, and ISO 27001. Collaborate with IT and leadership in a lean environment while building security capabilities from the ground up.

We Love Alfa London, United Kingdom £90,000 – £110,000 pa

EUC Engineer (London)

EUC Engineer – MacOS / Apple DevicesWe are seeking an experienced and proactive EUC Engineer to join our IT team. This role is ideal for someone with strong hands-on experience supporting MacOS environments, Apple devices, and modern workplace technologies.Key ResponsibilitiesProvide...

Pearson Whiffin Recruitment Group London, United Kingdom £32,000 – £40,000 pa

Service Desk Engineer - EUC

EUC Engineer – MacOS / Apple Devices / Cloud TechnologiesBased onsite in GloucesterWe are seeking an experienced and proactive EUC Engineer to join our IT team. This role is ideal for someone with strong hands-on experience supporting MacOS environments, Apple...

Pearson Whiffin Recruitment Group Gloucester, United Kingdom £30,000 – £35,000 pa

Infrastructure Cloud Engineer

This role involves managing and enhancing Azure cloud infrastructure, including IaaS, networking, and security, with a focus on operational reliability and compliance. The engineer will administer Microsoft Entra ID and Microsoft 365, provide advanced technical support, and contribute to cloud initiatives. Key responsibilities include patching, lifecycle management, and remediation of security vulnerabilities.

ARC IT Recruitment London, United Kingdom £65,000 pa

Penetration Tester - CHECK Team Member

Conduct thorough penetration tests on web applications, networks, and IT infrastructure using both manual and automated methods. Translate technical findings into clear, actionable insights for clients and deliver risk-based remediation advice. Work within a collaborative security team while traveling to client sites across the UK as needed.

F5 London, United Kingdom £65,000 – £80,000 pa

IT Support Engineer

The role involves providing 2nd line IT support, resolving incidents, managing service desk requests, and performing field-based technical maintenance. Key responsibilities include troubleshooting Microsoft 365, managing backups, maintaining system documentation, and ensuring compliance with IT policies and security standards. The engineer will work with a range of technologies including virtualization platforms, Active Directory, and networking protocols in a hybrid working environment.

Oscar Technology Dartford, United Kingdom £32,000 – £38,000 pa