Jellyfish

Staff Security Engineer

Jellyfish
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1 month ago
USA (city not specified)Staff+

Base Salary

$185k - $270k/yr

Responsibilities

  • Define and drive the security strategy and roadmap in alignment with business objectives and organizational risk.
  • Design and mandate scalable security architectures across infrastructure, platform, and product systems.
  • Define, implement, and govern the company-wide Secure Development Lifecycle, including automated threat modeling and continuous risk assessments.
  • Establish secure development and governance practices for internal AI tools and customer-facing AI features.
  • Lead AI threat and risk modeling addressing prompt injection, data poisoning, and sensitive data leakage.
  • Develop automated remediation workflows, vulnerability management processes, and software composition analysis solutions.
  • Mentor engineers, advise executive leadership, and promote a strong security culture.
  • Direct critical security incident response and set strategy for threat modeling, penetration testing, and bug bounty programs.

Requirements

  • Extensive experience owning, building, and scaling application security programs in SaaS or fast-paced startup environments.
  • Deep software engineering expertise in languages such as Python, JavaScript/TypeScript, Rust, and C/C++, with architectural understanding of reliability, safety, and security.
  • Practical experience securing internal AI infrastructure and customer-facing AI applications, with deep knowledge of AI and LLM security challenges.
  • Ability to balance AI product innovation with security, compliance, and data privacy requirements.
  • Demonstrated ability to build cross-functional consensus, influence engineering leadership, and execute large-scale performance, testing, and security initiatives.
  • Strong business judgment and ability to balance user needs, product velocity, and enterprise security.
  • Recognized computer security expertise, including complex security research and technical knowledge sharing.
  • Ability to work autonomously, identify gaps, set direction, and execute with a distributed team.
  • Eligibility to work in the U.S. for any employer.
  • Preferred expert-level experience with Python, Django, Postgres, AWS, Terraform, CircleCI, GitLab, GitHub Actions, Semgrep, or LLVM.
  • Preferred contributions to open-source security projects, standards, or industry working groups such as OpenSSF or Mozilla.
  • Preferred experience improving collaboration between security and engineering teams or leading security at a high-growth startup.

Benefits

  • Located in the EST or CST time zone is preferred.
  • Occasional travel may be required.
  • Jellyfish emphasizes diversity, inclusion, humility, performance, teamwork, and a collaborative company culture.

Tech Stack

Categories

Jellyfish

About Jellyfish

201-500 employees

Jellyfish is the leading intelligence platform for AI-Integrated engineering, helping more than 1,000 companies including DraftKings, Box and Blue Yonder, leverage AI to transform how they build software. By combining the industry's deepest engineering dataset with context-rich intelligence, Jellyfish helps R&D organizations understand what's driving impact, adopt proven industry best practices, and make smarter decisions across AI adoption, planning, delivery, and engineering performance. Learn more at jellyfish.co

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