Senior Security Researcher

Cobalt

Remote regions

US

Salary range

$120,000–$150,000/yr

Benefits

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What You’ll Do:

  • Advanced Vulnerability Research: Conduct deep-dive vulnerability research, reverse engineering, and threat analysis across modern Web/API platforms, mobile OS, cloud infrastructures, and enterprise software.
  • Exploit Crafting & Proof-of-Concept Validation: Identify high-impact vulnerabilities and develop PoC exploit techniques to demonstrate real-world risk.
  • Methodology & Tradecraft Innovation: Research emerging threat vectors and maintain industry-leading testing guidelines across cloud, APIs, mobile, and AI/ML technologies.

You Must Have:

  • 5+ years of dedicated experience in offensive security, vulnerability research, penetration testing, red teaming, or reverse engineering.
  • Technical Depth across modern stacks: expertise in Node.js, Go, Python, Java, Rust, OS internals, and containerized environments.
  • Exploit Analysis & Crafting: ability to analyze binary, source code, or bytecode to construct reliable PoC exploits for complex vulnerability classes.

Why You Should Join Us:

  • Grow in a passionate, rapidly expanding industry at the forefront of pentesting.
  • Work directly with experienced senior leaders with ongoing mentorship opportunities.
  • Earn competitive compensation and an attractive equity plan, plus benefits like 401(k), medical, dental, vision, and flexible PTO.

Cobalt

Cobalt provides offensive security testing via a SaaS platform and a community of over 400 vetted testers. The company is fully remote and values diversity and inclusion.

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