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Security Engineer

Security Engineer

Recruiting from ScratchSan Francisco, CA, United States
3 days ago
Job type
  • Full-time
Job description

Who is Recruiting from Scratch : Recruiting from Scratch is a specialized talent firm dedicated to helping companies build exceptional teams. We partner closely with our clients to deeply understand their needs, then connect them with top-tier candidates who are not only highly skilled but also the right fit for the company's culture and vision. Our mission is simple : place the best people in the right roles to drive long-term success for both clients and candidates.

Title of Role : Security Engineer

Location : San Francisco, CA (On-site)

Company Stage of Funding : Hyper-Growth, Highly Profitable Private Company

Office Type : On-site, Full-Time

Salary : Competitive (based on experience) + Equity

Company Description

We're representing one of the fastest-growing companies in the world , scaling from $1M to $500M in revenue run rate in just 17 months - with accelerating growth rates month over month. The company develops AI-powered systems trusted by the top 5 global AI labs , enabling faster and more accurate performance prediction in hiring and evaluation.

With a lean and profitable team, they're scaling rapidly and looking for engineers eager to take ownership of security in a high-impact environment.

What You Will Do

As a Security Engineer , you'll safeguard core systems, infrastructure, and data while ensuring security is integrated seamlessly into development and deployment processes. You will :

  • Design and implement security controls across infrastructure, applications, and networks.
  • Monitor for vulnerabilities, threats, and suspicious activity.
  • Conduct penetration tests, vulnerability assessments, and incident response.
  • Embed security practices into CI / CD pipelines and developer workflows .
  • Ensure compliance with frameworks (SOC 2, ISO 27001, GDPR).
  • Partner with engineers to make security a first-class part of system design .
  • Research and respond proactively to emerging threats .

Ideal Background

  • Strong knowledge of security principles, tools, and best practices .
  • Experience with SIEMs, IDS / IPS, firewalls, and vulnerability scanning.
  • Familiarity with cloud security (AWS, GCP, or Azure).
  • Solid understanding of encryption, authentication, and authorization systems .
  • Track record of securing distributed, high-scale environments.
  • Excellent collaboration and communication skills.
  • Ability to balance security rigor with speed in a hyper-growth environment.

    • Why Join

  • Impact : Own the security function that powers critical infrastructure for the world's leading AI labs.
  • Learning : Gain early exposure to frontier AI systems and emerging risks .
  • Growth : Take on both infrastructure and research-adjacent projects with fast paths to ownership.

    • Compensation and Benefits

  • Salary : Highly competitive (commensurate with experience)
  • Equity : Generous early-stage equity package
  • Work Setup : On-site in San Francisco
  • Other Benefits :

    • Direct ownership of security architecture and practices

  • Chance to shape security culture in a hyper-growth engineering environment
  • Work alongside senior engineers at the intersection of AI and infrastructure

    • This role is perfect for security engineers who want to build practical, scalable defenses in high-growth environments - balancing rigor with speed while safeguarding mission-critical AI infrastructure.

    Salary Range : $130,000-$500,000 base.

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    Security Engineer • San Francisco, CA, United States