Cyber Security Jobs

• United Kingdom
• Remote
• Mid-level

Lead incident response engagements, hunting adversaries across large data sets and conducting intrusion investigations under outside counsel. Perform host, network and cloud forensics across Windows, Mac and Linux, plus basic malware analysis, and deliver findings to executives, regulators and legal teams.

CrowdStrike · Zeek · Suricata +6

• United Kingdom
• Remote
• Lead

Serve as technical lead on front-page incident response engagements for Fortune 100 organisations, conducting intrusion investigations under outside counsel and performing host and network forensics across Windows, Mac and Linux. The role also involves hunting threat actors in large datasets, cloud IR in AWS, Azure or GCP, and communicating findings to executives, regulators and legal teams.

CrowdStrike · AWS · Azure +6

• Portugal - Field
• Hybrid · 3 days in office
• Senior

Builds and maintains iOS SDKs for document capture, working on camera capabilities, on-device image processing and machine learning to help end users prove their identity. Collaborates with designers, product managers and engineers in an agile team, using Swift and contributing to test automation and CI/CD pipelines.

iOS SDK · React Native · Flutter +3

• United Kingdom - Field (Onfido)
• Senior

Customer-facing role leading enterprise onboarding and implementation of identity and security solutions, guiding customer engineering teams through design, integration, testing and go-live. Involves hands-on troubleshooting of REST APIs, mobile and web SDKs, log and API traffic analysis, and advising on performance, scalability and security. Requires independently managing multiple concurrent engagements and mentoring junior team members.

REST APIs · Android Studio · Xcode +7

• Portsmouth
• On-site
• £50,850 – £56,500 pa
• Mid-level

Advises customers on cyber security vulnerability, risk, audit and compliance, applying NIST and ISO27001 frameworks to risk assessments and security assurance. Supports accreditation, governance and mitigation strategies across government, defence and critical national infrastructure, engaging stakeholders and presenting findings. Based on-site at least three days a week with customer travel required.

NIST · ISO 27001 · MITRE ATT&CK +1

• London
• £75,000 – £110,000 pa

This role involves conducting manual penetration testing and security assessments of web applications, APIs, and enterprise platforms. You will identify and exploit vulnerabilities, produce detailed technical reports, and work closely with application owners and security stakeholders to improve the organization's cyber resilience.

• Manchester
• Hybrid · 2 days in office

Owns the end-to-end lifecycle of security products such as IAM, EDR, SIEM and cloud security, defining roadmaps, backlogs and measurable outcomes around risk reduction and control coverage. Works with engineering, GRC and vendors to deliver usable, auditable controls, balancing risk, cost and usability while acting as the main stakeholder contact.

IAM · EDR · SIEM

• London
• Director · manages people

Lead and develop the organisation's cyber security strategy, owning the information security framework including ISO 27001 and Cyber Essentials Plus. Reporting to the CIO, you will run security operations, manage an outsourced SOC, oversee incident response and vulnerability management, and mentor the security team. Legal-sector experience is mandatory, and the role spans Microsoft/Azure cloud security and SaaS assurance.

Microsoft Azure · SOC

• Blackburn
• Hybrid · 1–2 days in office
• £60,000 – £65,000 pa
• Senior

Hands-on senior role owning the reliability, security and improvement of a mixed Linux and Microsoft infrastructure estate. Day to day covers server administration, Ansible automation, Docker and Kubernetes container platforms, MySQL/Galera and MSSQL databases, CI/CD pipelines, monitoring, patching and disaster recovery, working closely with the Software Development Team, IT Operations and third-party partners.

Ansible · Docker · CRI-O +7

• Warrington
• Hybrid
• £85 ph
• Senior
• Contract · Part time

Assess technical security controls and cyber risk across complex OT and Cloud environments, working with technical teams, architects and risk owners. The role centres on NCSC CAF, Cyber Essentials Plus, ISO 27001/27005 and NIST frameworks, covering third-party assurance and internal/external audits. It is a 12-month contract requiring one day a week travel to the North West.

NCSC Cyber Assessment Framework · Cyber Essentials · Cyber Essentials Plus +3

• Chichester
• Hybrid · 3 days in office
• £50,000 – £65,000 pa
• Mid-level

Hands-on role supporting and maintaining cloud-hosted production, development and test environments, with a strong focus on Microsoft Azure. Day to day involves troubleshooting infrastructure, application, database and networking issues, monitoring performance and security, remediating vulnerabilities, and improving processes through automation and documentation. Also supports disaster recovery planning and testing within a collaborative international software team.

Microsoft Azure · Windows

• London
• £124,000 – £186,000 pa
• Senior

Owns architectural direction for Mimecast's Email & Collaboration Security product line, spanning email threat detection, DMARC, data platforms and response capabilities. Works across product, engineering and the Architecture Leadership Team to define integration contracts, ADRs and NFR targets, with cost-per-outcome reasoning and daily AI tooling use.

AWS · Kafka · MCP +4

• Knutsford
• Senior · manages people

Hands-on engineering role safeguarding encryption keys and cryptographic services across 300+ enterprise platforms, working extensively with Thales and Entrust HSMs. Involves key management, certificate management, production support, and on-call rotation, with occasional off-site data centre work.

Thales · Entrust · SharePoint +5

• Chichester
• Hybrid · 3 days in office
• £50,000 – £65,000 pa
• Mid-level

Hands-on role supporting and maintaining cloud-hosted production, development and test environments, resolving infrastructure, application, database and networking issues. Focus on Microsoft Azure, Windows, monitoring, security vulnerability remediation, automation and disaster recovery planning within a growing international software organisation.

Microsoft Azure · Windows

• Farnborough
• Senior

Customer-facing Solution Architect shaping and winning strategic UK Central Government opportunities, working with account, capture and bid teams from early qualification through contract award. Leads solution development, discovery workshops and architecture reviews across Data & Analytics, Cloud, Cyber, AI/ML and Systems Integration, and supports handover into delivery.

Azure · AWS