Sierra
Security Engineer
San Francisco, CA. Posted 18 months ago
The role
The Security Engineer builds foundations to protect customer data and trust. You will design secure systems, partner with product teams to threat model designs, and automate security workflows.
What you will do
- Design and ship systems and controls for product, infrastructure, enterprise, identity, and detection and response
- Partner with product, platform, and infrastructure teams to threat model designs
- Review code and architectures
- Implement and evolve security primitives
- Identify vulnerabilities and investigate suspicious behavior
- Improve detections and response workflows
- Create developer-friendly tooling to automate security checks in CI/CD
- Build secure paved paths and improve vulnerability discovery
Required qualifications
- Strong security fundamentals and depth in at least one domain such as product security, platform or cloud security, enterprise security, identity, detection and response, or offensive security
- Ability to apply expertise across unfamiliar systems and emerging threats
- Comfortable reading and writing code
- Ability to understand how production systems fit together
- Ability to build pragmatic software solutions to security problems
- Ability to reason about system design and contribute to APIs, services, and security controls
Nice to have
- Worked across more than one of product security, infrastructure security, enterprise security, detection and response, or offensive security
- Built security frameworks, platforms, or solutions that engineers and responders rely on
- Exposure to AI systems or designing secure-by-default LLM applications and agentic systems
- Think like an attacker
- Found or fixed real security issues in production
- Thrive in 0→1 environments
Benefits
- Flexible (unlimited) paid time off
- Medical, dental, and vision benefits for you and your family
- Life insurance and disability benefits
- Retirement plan dependent on country of employment
- Parental leave
- Fertility and family building benefits
- Lunch, delicious snacks and coffee when working onsite
- Discretionary benefit stipend
- Free alphorn lessons
- Equity plans for eligible full-time employees
About the company
Sierra is a platform for customer-facing AI agents working with brands like The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank. The company is primarily an in-person company based in San Francisco.