Member of Technical Staff, Security Engineer
United States, CAFull-time$300–400K/yrPosted todayStill listed today
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At a glance
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Job overview
Mirendil is building a frontier AI research company and training its own models end-to-end. The Security Engineer works across cloud infrastructure, ML systems, and product surfaces to ensure privacy and security measures. The role addresses security challenges involving AI-generated code, agentic workflows, sensitive assets, and a novel threat surface.
Skills & qualifications
Skills
Full job description
Mirendil Mirendil is a tech-first company focused on solving core bottlenecks that unlock step-change acceleration across science and technology. Our first goal is to democratize frontier AI R&D across scientific disciplines. We are building a frontier AI research company and training our own models end-to-end.
The Role We are looking for a Security Engineer. You'll work across cloud infrastructure, ML systems, and product surfaces to ensure privacy and security measures. Some example areas you might work on (not limited to):
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Design and implement measures to protect against external threats
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Design and implement protective measures around data transfer, external attacks, secret management, identity verification
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Architect systems that protect sensitive assets including model weights, customer data, and training datasets
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Build secure sandboxed execution environments for AI-generated code and agentic workflows
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Develop frameworks for safely handling AI agent interactions with external systems and tools
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Investigate across the stack to respond to security incidents
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Conduct security design reviews for engineering teams, and implement/maintain security related features for a fast moving product
If you're excited about solving security problems at the frontier of AI - where the threat surface is novel and the stakes are high - we'd love to hear from you.
We offer a base salary of $300,000–$400,000 USD and a meaningful equity grant, depending on experience and background, along with competitive benefits.
How this job compares
Set against the 4,171 open Security Engineer jobs on Olive Jobs, counted November 5, 2026.
- Pay
- This posting$300–400K/yr
- California median$167–248K/yr644 salary ranges
- US median$131–205K/yr3,374 salary ranges
This range's midpoint, $350K, is 70% above the California median midpoint ($206K) — in the top quarter of Security Engineer salary ranges in California.
- Openings
- Olive Jobs lists 783 open Security Engineer jobs in California and 4,171 across the US. 9% of them nationwide are listed as remote or flexible.
- Experience
- Security Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 4 to 8 years (3,634 postings).
- Education
- 1,297 of the 4,171 open Security Engineer jobs (31%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 5, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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