Senior Red Team Operator (Remote Adversary Simulations)

3761 Barclays - BX - UK; United States; Remote; GBP 90,000 - 130,000; Full time

Job summary

Barclays in the United Kingdom is seeking a Senior Red Team Operator to plan and lead full-scope security engagements across cyber, physical, and social engineering domains. You will shape testing methodologies, drive improvements, and communicate findings to stakeholders.

You will mentor operators, develop new tooling and tradecraft, and stay ahead of evolving threats in a fully remote role with occasional travel.

Qualifications

• Hands-on penetration testing and red team experience.
• Hands-on ability matters more than acronyms; certifications are welcome but not required.

Responsibilities

• Scoping and leading full-scope Red Team engagements across cyber, physical, social engineering, and process attack surfaces.
• Leading on methodology: shaping how the team scopes, runs and reports engagements and driving continuous improvement.
• Designing and delivering phishing and social engineering campaigns end to end, with supporting infrastructure and payloads.
• Operating and tuning Command and Control frameworks (e.g. Cobalt Strike, Nighthawk, or equivalent) through initial access, post-exploitation, and lateral movement.
• Developing custom tooling, tradecraft, and EDR/defence-evasion techniques to emulate realistic threat actors.
• Turning engagements into clear, compelling attack narratives for engineers and executives.
• Contributing to detection and resilience improvements with defensive teams.
• Researching emerging TTPs and tooling and updating team methodologies.
• Setting the technical bar and mentoring the team.

Skills

Coding language

Problem solving

Critical thinking

Mentoring

Tools

Cobalt Strike

Nighthawk

Job description

Barclays in the United Kingdom is seeking a Senior Red Team Operator to plan and lead full-scope security engagements across cyber, physical, and social engineering domains. You will shape testing methodologies, drive improvements, and communicate findings to stakeholders.

You will mentor operators, develop new tooling and tradecraft, and stay ahead of evolving threats in a fully remote role with occasional travel.