Red Team Lead - £100k - £125k + 20% Bonus - London (Hybrid) - Investment Banking Overview: A market leading Investment Banking organization are searching for an experienced Red Team Lead to join the business at VP level and take responsibility for the EMEA region. Role & Responsibilities: Lead the design, planning, and execution of sophisticated Red Team engagements simulating advanced persistent … adversary emulation, lateral movement, privilege escalation, and persistence operations in diverse environments Reverse engineer proof-of-concept exploits and assess their relevance and impact within infrastructure Partner with Blue Team, Detection Engineering, and Threat Intelligence to validate findings and enhance detection logic and response workflows Deliver clear, actionable reporting of findings, attack paths, and remediation strategies to both technical … and executive stakeholders Lead the development and maintenance of internal Red Team tools, scripts, and infrastructure to support scalable operations Mentor and coach junior Red Team members, fostering a culture of continuous learning and technical excellence Stay at the forefront of emerging threats, vulnerabilities, and offensive security methodologies to inform team strategy and tooling Collaborate with SOC More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
4Square Recruitment Ltd
Reports to: Senior Penetration Tester About the Organisation A high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation work for clients across the UK, US, and Europe. With a strong learning culture, excellent retention, and a track record of delivering … cutting-edge work, this is an opportunity to develop quickly in a technically challenging environment. Role Overview We’re looking for a Penetration Tester/Red Team Consultant with 1–3 years’ experience who thrives on variety, problem-solving, and continuous learning. You’ll deliver offensive security assessments, red team operations, and threat-led simulations across a wide … often on weekly, part-time client engagements. The role is remote, with occasional client visits — though none have been required in the last five years. Key Responsibilities Deliver red team, purpleteam, and wider offensive security engagements. Conduct attack simulations, threat modelling, and targeted technical testing. Carry out occasional physical security assessments. Produce high-quality penetration More ❯
Stevenage, Hertfordshire, England, United Kingdom Hybrid/Remote Options
MBDA
Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)— including Red and PurpleTeam activities The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). Salary : £50,000 - £60,000 depending on experience Dynamic … Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)— including Red and PurpleTeam activities. The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). This is a Next step role for an experienced … across SOC, EDR, SIEM, and XDR platforms. Translate threat intelligence into testable hypotheses and simulation exercises in collaboration with Threat Intelligence teams. Utilise adversarial emulation tools (Caldera, Atomic Red Team, AttackIQ, SCYTHE, Cobalt Strike, etc.) to replicate realistic attacker behaviours. Research and integrate emerging threats and TTPs into adversary emulation and validation methodologies. Produce detailed reporting and metrics on More ❯
Stevenage, Hertfordshire, South East, United Kingdom Hybrid/Remote Options
MBDA
Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)- including Red and PurpleTeam activities The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). Salary : £50,000 - £60,000 depending on experience Dynamic … Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)- including Red and PurpleTeam activities. The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). This is a Next step role for an experienced … across SOC, EDR, SIEM, and XDR platforms. Translate threat intelligence into testable hypotheses and simulation exercises in collaboration with Threat Intelligence teams. Utilise adversarial emulation tools (Caldera, Atomic Red Team, AttackIQ, SCYTHE, Cobalt Strike, etc.) to replicate realistic attacker behaviours. Research and integrate emerging threats and TTPs into adversary emulation and validation methodologies. Produce detailed reporting and metrics on More ❯
Bolton, Greater Manchester, North West, United Kingdom Hybrid/Remote Options
MBDA
Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)- including Red and PurpleTeam activities The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). Salary : £50,000 - £60,000 depending on experience Dynamic … Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)- including Red and PurpleTeam activities. The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). This is a Next step role for an experienced … across SOC, EDR, SIEM, and XDR platforms. Translate threat intelligence into testable hypotheses and simulation exercises in collaboration with Threat Intelligence teams. Utilise adversarial emulation tools (Caldera, Atomic Red Team, AttackIQ, SCYTHE, Cobalt Strike, etc.) to replicate realistic attacker behaviours. Research and integrate emerging threats and TTPs into adversary emulation and validation methodologies. Produce detailed reporting and metrics on More ❯
manchester, north west england, united kingdom Hybrid/Remote Options
MBDA
Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)- including Red and PurpleTeam activities The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). Salary : £50,000 - £60,000 depending on experience Dynamic … Incident Responder is responsible for leading digital forensics and incident response (DFIR) readiness. While also advancing the organisation's Adversarial Exposure Validation (AEV)- including Red and PurpleTeam activities. The role ensures detection, response, and control validation against real-world threat actor tactics, techniques, and procedures (TTPs). This is a Next step role for an experienced … across SOC, EDR, SIEM, and XDR platforms. Translate threat intelligence into testable hypotheses and simulation exercises in collaboration with Threat Intelligence teams. Utilise adversarial emulation tools (Caldera, Atomic Red Team, AttackIQ, SCYTHE, Cobalt Strike, etc.) to replicate realistic attacker behaviours. Research and integrate emerging threats and TTPs into adversary emulation and validation methodologies. Produce detailed reporting and metrics on More ❯
Stevenage, Hertfordshire, South East, United Kingdom Hybrid/Remote Options
MBDA
for paternity leave, neonatal leave and fertility testing and treatments Facilities : Fantastic site facilities including subsidised meals, free car parking and much more... The opportunity: Join our forward thinking team as a Network Security Engineer, where you will play a key role in safeguarding our organisations' network infrastructure as part of the 24x7 Internal Security Response (ISR) team. When … not involved in incident response and triage activity with the SOC team, you will be responsible for designing, implementing and maintaining robust security solutions to protect against evolving threats. Collaborating with cross-functional teams, you will work on implementing changes securely, identifying vulnerabilities, managing security incidents and ensuring compliance with industry best practices. The role will be involved in … the optimisation of network security tools to remediate "purpleteam" highlighted areas identified for improvement. You will also have the opportunity to immerse your time into the standardisation of network tools. This is a dynamic opportunity to contribute to security initiatives, solve complex challenges, and have a direct impact on the overall resilience of our IT environment. More ❯