Security Engineer at Assembled | CA, US | Rezi

Security Engineer at Assembled

Security Engineer

Assembled · CA, US

1 months ago

Security Engineer

Assembled · CA, US

2 months ago
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About the Role

Lead application security across Assembled's SaaS and AI products, establishing security practices, influencing architecture, and building tooling to manage vulnerabilities. This is a high-ownership role with broad scope to reshape security at Assembled.

Responsibilities

  • Lead threat modeling, secure design reviews, and vulnerability management across SaaS and AI products and underlying infrastructure.
  • Integrate and automate controls for secrets, access, and dependency security within engineering workflows and CI/CD pipelines.
  • Establish and maintain code, dependency, and secrets scanning, alongside dynamic application security testing.
  • Partner with third-party penetration testers and manage external vulnerability reporting and triage.
  • Develop secure design and coding training for engineers.
  • Establish clear processes for routing security issues to engineering owners and following through on fixes.
  • Respond to security incidents involving application vulnerabilities, coordinating remediation efforts and post-incident improvements.
  • Bring technical depth to customer security conversations and partner with Finance/Ops on the technical side of SOC 2 and assurance work.
  • Turn recurring customer needs into better product and engineering decisions.

Requirements

  • 5+ years of hands-on application security experience, including threat modeling, security code reviews, and vulnerability remediation.
  • Experience writing and reviewing production code in a complex codebase.
  • Understanding of the tradeoff between security and shipping velocity.
  • Experience operating in programs that preserved speed or ability to speak to why past programs destroyed it.
  • Ability to evaluate AI tools' limitations.
  • Ability to evaluate how AI changes product threat models and evolves the security role.
  • Background with large-scale, multi-tenant SaaS applications handling sensitive customer data.
  • Experience securing AI/ML applications, including prompt injection, unauthorized tool use, and adversarial input protections.
  • Familiarity with the tech stack.
  • Knowledge of enterprise compliance requirements (SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS).
  • Experience as a first or early security hire, or building security practices without a large team or established playbook.

Skills

  • Application Security
  • Threat Modeling
  • Security Code Reviews
  • Vulnerability Remediation
  • Software Engineering
  • Risk Judgment
  • AI Tools for Security
  • DevSecOps
  • Infrastructure Security
  • Technical Consulting
  • TypeScript
  • React
  • Go
  • Python
  • AWS
  • Kubernetes
  • AI/ML Security
  • Prompt Injection
  • Unauthorized Tool Use
  • Adversarial Input Protections
  • SOC 2
  • ISO 27001
  • GDPR
  • HIPAA
  • PCI DSS

Location

  • San Francisco
  • New York
  • London

Work Type

  • Full-time

Experience Level

  • 5+ years of hands-on application security experience

About the Company

  • Assembled helps companies scale great customer support.
  • Assembled gives support leaders the tools to manage complexity, from AI agents that resolve customer issues to software that forecasts demand, builds schedules, and makes intraday adjustments.
  • More than 400 companies, including DoorDash, Salesforce, Stripe, and Sephora, trust Assembled.
  • Raised $71M from NEA, Emergence Capital, Stripe, and Basis Set Ventures.
  • Offices in San Francisco, New York, and London.

Equal Opportunity

  • We value diverse perspectives and are committed to building an inclusive workplace where everyone feels like they belong and has the opportunity to do their best work.
  • Assembled participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the United States.
  • Assembled is required to verify your right to work in the UK and will conduct a Right to Work check prior to employment in accordance with applicable law.