Who We Are
The Cobalt Core is a community of highly skilled security pentesters who are passionate about what they do and strive to deliver quality work. This curated community is made up of security professionals with years of experience as well as talented pentesters who are eager to hone their trade and showcase their skills. They all have a strong drive to keep up-to-date on the latest vulnerabilities and exploits, and the tools and methodologies to find them.
Cobalt Core members believe that sharing ideas and collaborating with peers is the best way to achieve great results.
If you believe you would be a good fit to join the Cobalt Core, and are eager to contribute to the community and participate in the pentests running on the Cobalt platform, please apply.
If you are currently residing outside of the USA, please apply here
Who You Are
What You'll Do
Why You Should Join Us
Application Process
Applicants need apply only once, applications are reviewed on a rolling basis.
Please note that this is a freelance, part-time position available only to Pentesters residing within the USA. Applicants outside of the US will not be considered if you apply through this job posting.

Cobalt is the pioneer in pentesting as a service and a leader in offensive security services. We are focused on combining talent and technology with speed, scalability, and expertise. Thousands of customers and hundreds of partners rely on the Cobalt Offensive Security Platform, along with 450+ trusted pentesters, to find and fix vulnerabilities across their environments. By enabling faster pentest launches, real-time collaboration with pentesters, and seamless integration with remediation workflows, we help organizations identify critical issues and accelerate risk mitigation so they can operate fearlessly and innovate securely.