Senior Penetration Tester (RED TEAM)

Company Description

BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. We provide enterprises with evidence-based risk across their entire attack surface to determine how they will respond to an attack. Our services include Attack Surface Management, Penetration Testing, and Red Teaming.

We're Hiring: Red Team Specialist UK (Remote) | BreachLock Inc.

Join BreachLocks elite offensive security team, where we dont just simulate threats we emulate real adversaries.

As aRed Team Specialist , you'll be at the frontlines of BreachLocks offensive security operations, conducting advanced adversary emulation, bypassing modern defenses, and helping Fortune 500 clients improve their cyber resilience.

What Youll Do:

• Plan and execute full-scope red team engagements (TIBER-style, MITRE ATT&CK aligned)
• Perform focused penetration tests on web applications, mobile apps (iOS/Android), APIs, and backend services , as well as traditional network/cloud infrastructure and specialised targets (IoT/OT) when required.
• Simulate APTs using custom tooling and native techniques
• Bypass EDR/XDR and evade detection controls
• Work closely with Blue Teams for purple teaming and adversarial validation
• Deliver executive reports and technical debriefs with precision

What You Bring:

• 3+ years in red teaming or offensive security
• Proficiency with C2 frameworks (Cobalt Strike, Sliver, Mythic)
• Deep understanding of Windows/Linux internals, AD, and cloud (AWS/Azure)
• Knowledge of OPSEC, evasive TTPs, and threat intelligence integration
• Strong scripting skills (Python, PowerShell, Bash)
• OSCP, CRTO, OSCE, or similar certs
• Published exploits or open-source tools

Why BreachLock:

• 100% remote-first culture
• Cutting-edge work in PTaaS, AEV, and CTEM
• Clients include global enterprises and governments
• Fast-paced, growth-focused, no-BS environment

Why are we a Global Leader in Offensive Security

Analyst Endorsements: Recognized again by Gartner , GigaOm , and SANS for advancing automated, AI-enhanced offensive security testing.

CTEM & AEV Leadership: Launched industry-first AI-powered CTEM and Adversarial Exposure Validation platforms, setting new benchmarks in exposure management.

GigaOm Leader (2025): Ranked as a Leader and Fast Mover for the second consecutive year in the GigaOm Radar for PTaaS and CTEM.

Media Spotlight: Featured in Reuters , Cybercrime Magazine , and SecurityWeek for driving measurable outcomes for Fortune 500 clients.