Cyber Security Jobs

• Romania
• Remote
• Senior

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, operating and extending honeypots, performing vulnerability research, and reproducing emerging vulnerabilities. The position also involves publishing research on the blog or at conferences and building GenAI/LLM workflows to support analysis and security research.

CrowdStrike · Python · Android +4

• Germany
• Remote
• Senior

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, operating and extending honeypots, performing vulnerability research, and reproducing emerging vulnerabilities. Involves reverse engineering, Linux/Windows internals, Python tooling, and GenAI/LLM workflows, with published research on the CrowdStrike blog or at conferences.

CrowdStrike · Python · Android +4

• London
• £65,000 – £79,000 pa
• Senior · manages people
• Permanent

Hands-on security leadership role managing the technical cyber security environment and SOC, owning policies, ISO 27001 implementation and incident response. Works with the Head of IT on the Cyber Security Roadmap, manages a third-party SOC and one direct report, and uses tools such as Rapid 7, Sophos MTR, Solarwinds and ServiceNow. Based at Marylebone with travel across the Chiltern network and CTC clearance required.

Rapid7 · Sophos MTR · SolarWinds +4

• Corsham
• Hybrid
• £56 – £600 pd
• Mid-level
• Contract

Coordinate security governance, risk management and compliance across MOD OpNET environments, ensuring systems meet Secure by Design and JSP 440/604 requirements. Conduct NIST-based risk assessments, produce assurance evidence and SyOPs, and coordinate CHECK penetration testing and remediation. Chair Security Working Groups and support security architects and engineers on a critical Defence programme.

NIST 800 · JSP 440 · JSP 604 +4

• Manchester
• Remote
• £60,000 – £80,000 pa
• Mid-level
• Permanent

Deliver penetration testing and consultancy across networks, web and mobile apps, APIs and cloud environments, using manual and automated techniques to simulate real-world attacks. Produce technical reports and executive summaries for technical and non-technical stakeholders, and contribute to service development and research. Requires CHECK Team Member certification and SC clearance eligibility.

Kali Linux · Burp Suite · Metasploit +6

• London
• Hybrid · 3 days in office
• £349 – £465 pd
• Lead
• Contract

Lead end-to-end AI and cyber security transformation embedded within technology teams, acting as SME on AI frameworks and defining guardrails as capabilities evolve. Design secure-by-default hybrid and cloud architectures aligned to NIST and ISO 27001, drive automation across IAM, network, endpoint and data security, and translate technical risk for C-suite stakeholders.

NIST · ISO 27001

• Nottingham
• Hybrid
• £60,875 – £81,543 pa
• Senior
• Permanent

Independently manage operational cybersecurity activities including incident response, risk and vulnerability assessments, and security control implementation across cloud, network and endpoint environments. Maintain regulatory compliance, support audits and governance, and join an out-of-hours incident response rota.

SIEM

• 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

• Working From Home, UK
• Remote
• Senior
• Permanent

Lead full-scope red team engagements spanning cyber, physical, social engineering and process attack surfaces, emulating real-world adversaries. Build phishing infrastructure and payloads, operate C2 frameworks like Cobalt Strike, and develop custom tooling and EDR evasion tradecraft. Set methodology and mentor operators while working closely with defensive teams.

Cobalt Strike · Nighthawk

• Wolverhampton
• Lead · manages people

Lead physical, cyber, personnel and supply-chain security across multiple UK aerospace and defence manufacturing sites, reporting to the global CISO. Build and manage a security team, act as Common Responsible Person for EASA Part-IS, and drive governance, compliance and incident response in a highly regulated environment.

CCTV · EASA Part-IS · AirCyber +7

• London
• Remote
• Senior

Technical pre-sales role covering the UK&I region, driving the technology evaluation stage of the sales cycle for the Idira Identity Security Platform. You will run solution demonstrations, architecture reviews and customer proof-of-concepts, designing Zero-Trust access approaches for human and non-human identities across cloud and datacenter environments, and mentoring other solutions engineers.

Azure · AWS · Google Cloud +6

• London
• Remote
• Senior

Senior technical product engineer role advising partners, customers and internal teams on cloud-native security, Cortex capabilities and SOC automation. Involves cross-functional projects, product roadmap feedback, and building playbooks and integrations across AWS, Azure and GCP.

AWS · Azure · GCP +3

• Birmingham
• £500 – £560 pd
• Contract

Support the design, development, operation and optimisation of an Elastic-based SIEM platform, strengthening threat detection, security monitoring and incident response. Configure Elasticsearch pipelines to ingest security data including from Kafka, refine queries, rules, alerts and dashboards, and work with security analysts, architects and Security Operations across transitions and transformations.

Elasticsearch · Logstash · Kibana +7

• St Albans
• Director · manages people

Owns the global information security strategy as acting CISO, reporting to the CIO and advising the PLC Board on cyber risk. Leads a security function spanning IT and OT, including ICS, SCADA and IoT, with responsibility for NIST-aligned frameworks, incident response, threat intelligence and SOC capability.

NIST Cybersecurity Framework · ISO 27001 · GDPR +7

• Royston
• Hybrid
• £55,000 – £65,000 pa
• Mid-level

Join a small, highly skilled team building advanced cyber security products, including hardware-enforced data diodes for secure cross-network data transfer. Day to day you'll work in modern C++ and STL, Python automation, Linux application and embedded development, real-time networking and secure data transfer, with a strong emphasis on clean code, TDD and pair programming.

Linux · RTOS