Latest penetration tester Jobs

Red Team Engineer

This role involves hands-on technical delivery of red team engagements, including attack path design, threat scenario planning, and phishing campaigns. You'll work closely with a Technical Director to develop your skills in offensive security, focusing on real-world attacker techniques and client reporting.

Oscar Technology London, United Kingdom £55,000 – £60,000 pa

On-site Permanent

Red Team Lead

As a Red Team Lead, you will design and execute sophisticated adversary emulation engagements, researching emerging threats and translating real-world attacker behavior into impactful red team operations. You will lead complex engagements, develop realistic attack scenarios, and support client advisory, while maintaining high technical and ethical standards.

Oscar Technology London, United Kingdom £70,000 – £90,000 pa

Remote Permanent

Manager, Red Team Services , GBR)

The Red Team Manager will lead a team of cybersecurity experts in simulating threat actor activities to help customers improve their security defenses. This hands-on role involves designing and delivering red team assessments, coordinating with senior leadership, and mentoring team members.

CrowdStrike Bigton, Alba / Scotland, ZE2 9GA, United Kingdom

Remote Permanent Clearance Required

Manager, Red Team Services , GBR)

The Red Team Manager will lead a team of cybersecurity experts in simulating threat actor activities to help customers improve their security defenses. This hands-on role involves designing and delivering red team assessments, coordinating with senior leadership, and mentoring team members.

CrowdStrike Windsor, SL4 4BQ, United Kingdom

Remote Permanent

Head of Information Security

Leads and develops a modern, security-first function within a technology business, combining strategic governance with hands-on technical execution. Embeds security across engineering through DevSecOps, secure-by-design principles, and AI-driven operations. Responsible for cyber risk, compliance, incident response, and building a security team in a cloud-first, hybrid environment.

Comtecs W45Ta, W4 5TA, United Kingdom £100,000 pa

Hybrid Permanent

Operational Security Officer

This role involves coordinating travel security, managing deployment readiness, and supporting high-risk operations for Saab UK. The officer will conduct security risk assessments, deliver training, and act as in-country coordinator in high-risk areas. Responsibilities include managing IVCO processes, supporting TSCM activities, and conducting security investigations in collaboration with global teams.

Saab Fareham, United Kingdom

Hybrid Permanent Clearance Required

Senior Security Engineer - AI Products & Platforms - Citi

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow...

eFinancialCareers London, United Kingdom

Principal Security Sales Specialist, AWS UKI Specialist Team

This role involves leading high-stakes sales cycles for AWS security solutions, engaging CxO-level stakeholders to identify critical security use cases and position end-to-end technical solutions. The specialist will act as a trusted advisor, delivering technical demonstrations and proofs of concept while collaborating with engineering and product teams to align customer needs with AWS services like GuardDuty and Security Hub. The position focuses on driving adoption of cloud security technologies through consultative selling and strategic account planning.

Amazon Talent Acquisition Sw1A2Dx, SW1A 2DX, United Kingdom

Hybrid Permanent

Senior Cyber Security & Network Analyst - Morgan McKinley

This role involves leading network engineering and cybersecurity projects, including infrastructure installations, system build-outs, and defensive security protocols. You will collaborate with internal and external teams, mentor junior staff, and ensure the client's digital ecosystem remains resilient and aligned with business objectives.

eFinancialCareers Epsom, KT19 8DX, United Kingdom

On-site Permanent

Cyber Security Engineer

This role involves designing, developing, and maturing the company's cyber security capabilities, including the selection and management of security tools and technologies. You will work closely with technology and business teams to deliver security processes, maintain security solutions, and support key cyber security processes like incident response and vulnerability management.

Transact London, United Kingdom £70,000 pa

On-site Permanent

Mandarin speaking Information Security Manager (Banking)

The Information Security Manager will establish and maintain the bank’s information security framework, ensuring compliance with regulatory requirements and industry best practices. Key responsibilities include policy development, risk management, security oversight, and promoting security awareness across the London Branch.

People First Ec4N1Sa, EC4N 1SA, United Kingdom

On-site Permanent

Incident Response Consultant , GBR)

This role involves performing host and network-based forensics, conducting malware analysis, and leading incident response engagements. You will work with high-profile clients, produce detailed reports, and contribute to industry thought leadership through public speaking and writing.

CrowdStrike United Kingdom

Remote Permanent

Manager, Red Team Services , GBR)

The Red Team Manager will lead a team of cybersecurity experts to perform red team activities, simulating threat actors to help customers improve their security defenses. This hands-on role involves designing and delivering Red Team offerings, coordinating assessments, and mentoring team members while maintaining strong relationships with third-party vendors.

CrowdStrike United Kingdom

Remote Permanent