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Security Engineer, Application

Serval· Engineering
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San Francisco$200k - $325kFull-timePosted 4mo ago

About the role

Role to build and scale Serval's product and application security program, leading secure SDLC, vulnerability management, threat modeling, and security architecture across the platform and agentic systems.

Responsibilities

  • Design, implement, and operate Serval's application security program, including secure SDLC practices, threat modeling, secure design review, code review, and remediation of vulnerabilities across services, agent platform, integrations, and customer-facing surfaces.
  • Build, lead, and directly mentor a team spanning product security, secure software development, and vulnerability management, hiring and scaling these functions as the platform grows.
  • Establish world-class engineering rigor through secure coding standards, libraries/frameworks, and scalable security design patterns.
  • Improve security coverage and signal quality by building and tuning automated tooling (SAST, DAST, SCA, secrets scanning, dependency and supply-chain controls, CI/CD security gates) and partnering with engineering to make findings reliable and actionable.
  • Own the vulnerability lifecycle end-to-end: intake, triage and severity assessment, SLAs and remediation tracking, coordinated disclosure.
  • Partner across Engineering, Product, and Infrastructure to embed security into systems by design, driving strong authentication/authorization, tenant isolation, data protection, secrets management, and security of agentic workflows.
  • Build a security program capable of withstanding sophisticated adversaries, addressing AI agent-specific challenges (prompt injection, unsafe tool use, data exfiltration, abuse of autonomous actions) using Serval's own agents.

Qualifications

  • 10+ years in cybersecurity with deep expertise in application security, secure software development, and vulnerability management.
  • Deep experience building and leading application/product security, secure-SDLC, and vulnerability-management functions.
  • Strong leadership skills with a track record of durable, continuous improvements to programs, processes, and people.
  • Solid software engineering fundamentals; ability to read, write, and review production code as a peer.
  • Exceptional written and verbal communication skills; ability to influence engineering and product decisions across diverse teams.
  • Deep expertise in modern application security tooling (SAST, DAST, SCA, secrets detection, fuzzing, software supply-chain security) and cloud-native/distributed-system security.
  • Understanding of modern adversary tradecraft and translating weaknesses into practical secure-design guidance.
  • Mission-oriented with integrity; passion for secure software in a fast-paced environment. Bonus for interest in AI agent security challenges.

Skills

Required:Application securityThreat modeling

Benefits

  • comprehensive health coverage
  • flexible PTO
  • daily lunches and snacks
  • onsite gym access
  • regular team events and offsites
Last updated Aug 19, 2026. Interested? Apply on the company site.

About Serval

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