We're seeking an exceptional Offensive Security Engineer to join our fast-growing startup and help shape the future of security testing. This role uniquely combines traditional penetration testing excellence with cutting-edge AI/LLM security expertise. You'll conduct sophisticated manual penetration tests while also working alongside our automated agentic red teaming systems, bridging the gap between human expertise and AI-driven security assessment.
Our mission is to make all software effortless secure. We believe the future of security testing lies at the intersection of human expertise and AI capabilities. Our offensive security engineers don't just find vulnerabilities—they help build the next generation of security assessment tools. You'll work in an environment that values both deep technical skills and creative problem-solving, where your insights directly shape how we approach security challenges.
Casco performs autonomous security testing for your web apps, APIs, infrastructure, and AI systems. Human supervision optionally available. Use Casco for year-round security and get a penetration test report for your SOC2 and ISO27001 compliance certifications.
Trusted by 100+ companies from enterprises to fast-moving startups, such as Gusto, CrewAI, Novig, and Accrual.
Hack yourself at: https://casco.com
We already secure software deployed in 60% of Fortune 500 companies and are default alive. [1]
Salary
$200,000 - $200,000
Location
Remote
Experience
3+ years
Last stage
Seed
Investors
No applications, no recruiter spam. Just the intro.
A few questions to make sure this role is the right shape for you. Two minutes.
I write the intro, send it to the founder, and handle the back-and-forth.
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.