Offensive Security Engineer

Remote, U.S. preferredvia Calif CareersPosted Sep 22, 2025
Match with my CV

Technical skills

AWSCloud platformsCybersecurity

About this role

We are looking for security engineers with an offensive security mindset that are willing to go above and beyond to help our clients defend their most critical digital assets.

You'll need to go through several challenging exercises and develop complex exploits. Including notable vulnerability findings or research in your application is recommended. If none are available, this position may not be a good fit.

Note: if you know any candidate and can refer us to a successful hire, you would be subjected to a $2,000 referral bonus when they stay at Calif for 6 months.

Work location

  • Remote, U.S. preferred; other countries considered case by case

Responsibilities

  • Conduct red team penetration testing exercises to simulate real-world attacks
  • Identify and exploit vulnerabilities in client’s systems, applications and infrastructure
  • Stay up-to-date with emerging threats and vulnerabilities
  • Develop automated systems to help spot known security exposures

Qualifications

  • Minimum 1 year of experience in red teaming, offensive security, or hacking competitions
  • Demonstrated history of finding and fixing vulnerabilities
  • Compensation
  • Competitive salary and equity, determined by role, level, and location
  • $5,000 USD equipment allowance
  • $500 USD/year fun allowance, $300/year Internet and data allowance, $300/year book allowance
  • Business class traveling
  • Premium healthcare for self and immediate family
  • Social security matching
  • 3 weeks paid time off plus public holidays
  • 2 weeks paid sick days, no questions asked
  • 8 weeks of paid parental leave, or 12 weeks of paid mothers bonding leave
  • Why work with us?
  • Calif is a fast growing tech startup founded by world-class experts from Google. Our client portfolio includes AWS, Google, SnapChat, Anthropic, and Let’s Encrypt.
  • We are hackers. We provide value to our clients not by following some checklist but by coming up with new technical ideas and methods that have never been used before.
  • We do our part in making the world a better place, by defending non-profit organizations, hospitals, and the world's forces for good.
  • We strive to provide top of the market compensation, equity, and benefits.

Before you apply

  • 1Which parts of your CV prove experience with AWS, Cloud platforms, and Cybersecurity?
  • 2Which recent work examples would make your application stronger for this role?
  • 3What details from the original source listing should you confirm before applying?

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