Senior Penetration Tester (RED TEAM)
Senior Penetration Tester (RED TEAM)

Senior Penetration Tester (RED TEAM)

Gloucester Full-Time Home office possible
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At a Glance

  • Tasks: Join our elite team to simulate real-world cyber threats and enhance security for top clients.
  • Company: BreachLock, a global leader in offensive security and penetration testing.
  • Benefits: 100% remote work, cutting-edge projects, and a fast-paced, growth-focused environment.
  • Why this job: Make a real impact in cybersecurity while working with innovative technologies and top-tier clients.
  • Qualifications: 3+ years in red teaming, proficiency in C2 frameworks, and strong scripting skills.
  • Other info: Recognised by industry leaders for advancing automated offensive security testing.

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 BreachLock’s elite offensive security team, where we don’t just simulate threats — we emulate real adversaries.

As a Red Team Specialist, you\’ll be at the frontlines of BreachLock’s offensive security operations, conducting advanced adversary emulation, bypassing modern defenses, and helping Fortune 500 clients improve their cyber resilience.

🔧 What You’ll 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

đź§  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.

Senior Penetration Tester (RED TEAM) employer: BreachLock, Inc.

BreachLock is an exceptional employer for those seeking to make a significant impact in the field of offensive security. With a 100% remote-first culture, employees enjoy the flexibility to work from anywhere while engaging in cutting-edge projects that challenge their skills and foster professional growth. The company prioritises a fast-paced, growth-focused environment, offering opportunities to collaborate with global enterprises and governments, making it an ideal place for passionate individuals looking to advance their careers in cybersecurity.
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Contact Detail:

BreachLock, Inc. Recruiting Team

We think you need these skills to ace Senior Penetration Tester (RED TEAM)

Red Teaming
Penetration Testing
Adversary Emulation
C2 Frameworks (Cobalt Strike, Sliver, Mythic)
Windows/Linux Internals
Active Directory (AD)
Cloud Security (AWS/Azure)
OPSEC
Evasive TTPs
Threat Intelligence Integration
Scripting Skills (Python, PowerShell, Bash)
TIBER-style Engagements
MITRE ATT&CK Framework
Technical Reporting
Collaboration with Blue Teams
Senior Penetration Tester (RED TEAM)
BreachLock, Inc.
Location: Gloucester
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