Senior Offensive Security Tester

4 days ago

London, Greater London, United Kingdom CovertSwarm Full time £60,000 - £120,000 per year

The Mission

At CovertSwarm, we're redefining offensive security through constant, relentless attack. As a Senior Hive Member, you'll lead sophisticated operations that push beyond traditional boundaries, mentoring fellow operators while discovering new attack vectors that others miss.

The Opportunity

This isn't just another testing role. You're an experienced operator who thrives on finding creative ways to breach sophisticated defences and can find previously unknown vulnerabilities. You'll lead complex operations, mentor rising talent, and help shape the future of offensive security.

The Arsenal (Core Responsibilities)

  • Perform specialized security assessments across multiple domains
  • Guide clients through complex security challenges, from technical teams to C-suite executives
  • Mentor and elevate fellow Hive members, sharing your expertise to strengthen the Swarm
  • Pioneer new attack methodologies and automated tooling that benefit the entire team
  • Own and evolve key aspects of our operation (tooling / methodology / repositories / process)
  • Shape our community through regular technical content creation and knowledge sharing
  • Build strong relationships with stakeholders while maintaining our high standards of client communication

The Operator (What Makes You Great)

  • Proven experience in one or more cybersecurity testing domains
  • Strong foundation in network and/or application security
  • Expertise with both manual and automated security tools
  • Ability to think creatively and adapt attack methodologies

The Human Element

  • Sharp analytical mind with keen attention to detail
  • Natural problem solver who thrives on complex challenges
  • Clear communicator who can translate technical concepts for any audience
  • Self-driven learner committed to continuous professional development
  • Team player who contributes to the collective knowledge of the Swarm

The Credentials

We'd like to see one or more of the following:

  • CCT-INF (CREST Certified Tester – Infrastructure)
  • CCT-APP (CREST Certified Tester – Application)

We'd also like to see you having a couple of the following - though this isn't mandatory:

  • OSCP (Offensive Security Certified Professional)
  • OSWE (Offensive Security Web Expert)
  • CSTL (Cyber Scheme Team Leader)
  • CREST CRT (CREST Registered Penetration Tester)
  • CSTM (Cyber Scheme Team Member)
  • CRTO (Certified Red Team Operator)
  • GPEN (GIAC Penetration Tester)
  • LPT (Licensed Penetration Tester Master)
  • Offensive Security Certified Expert 3 (OSCE3)
  • CompTIA PenTest+

The Perks

  • Join a team that values both excellence and balance:
  • True remote flexibility – work from anywhere
  • No report writing drudgery – we use our custom portal
  • Unlimited training to keep your skills sharp
  • Unlimited vacation – because burnout helps no one
  • Private medical insurance and pension scheme
  • Conference speaking bonuses
  • Hardware, software, and research materials you need to excel
  • A culture of radical candor and continuous improvement

The Culture

At CovertSwarm, we take pride in pushing the boundaries of offensive security. Our team consists of passionate and humble professionals who value creativity, technical excellence, and delivering results that matter. We embrace collaboration, innovation, and a relentless drive to improve. If you share these values and want to be part of a team disrupting the industry, we want to hear from you.

Ready to join the Swarm?

Take the next step in your cybersecurity career by applying today. Let's talk about how your skills, passion, and potential align with CovertSwarm's mission to redefine offensive security.

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