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

Senior Penetration Tester (RED TEAM)

Newport Full-Time 48000 - 84000 £ / year (est.) Home office possible
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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.

Join BreachLock’s elite offensive security team, where we don’t just simulate threats — we emulate real adversaries. As a Red Team Specialist, you will 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
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 top-tier clients and be at the forefront of innovation 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 Tactics, Techniques, and Procedures (TTPs)
Threat Intelligence Integration
Scripting Skills (Python, PowerShell, Bash)
Technical Reporting
Collaboration with Blue Teams
Experience with APT Simulation

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the role of a Red Team Specialist. Highlight your experience in red teaming, offensive security, and any relevant certifications. We want to see how your skills align with what we do at BreachLock!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about offensive security and how your background makes you a perfect fit for our team. Let us know what excites you about working with BreachLock.

Showcase Your Skills: Don’t just list your skills; demonstrate them! If you’ve published exploits or created open-source tools, mention them. We love seeing practical examples of your work that show us what you can bring to the table.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re serious about joining our elite offensive security team!

Senior Penetration Tester (RED TEAM)
BreachLock, Inc.
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  • Senior Penetration Tester (RED TEAM)

    Newport
    Full-Time
    48000 - 84000 £ / year (est.)

    Application deadline: 2027-11-05

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    BreachLock, Inc.

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