Block
Principal Security Engineer
$319K–$479K
Bay Area, CA, United States of America +1 · Remote · Principal · Full-time · Posted Jun 30, 2026
- Location
- Bay Area, CA, United States of America
US - CA - San Francisco City - Remote - Experience
- 10+ years developing and shipping production software and critical services, with a minimum of 5 years focused on establishing and scaling security practices.
About the job
Provides technical leadership for Block’s software security strategy, architecture, and engineering solutions across products and infrastructure.
What you'll do
- Set software security technical strategy and lead development of high-leverage security solutions across business units.
- Guide security architecture, Secure SDLC practices, and threat modeling for critical systems; drive security engineering excellence and resilience.
- Lead high-priority security initiatives, make technical decisions, and mentor engineers.
What they ask for
- 10+ years developing and shipping production software and critical services, including at least 5 years establishing and scaling security practices in a large, modern technology environment.
- Track record of technical leadership and decision-making at Principal or equivalent level.
- Deep understanding of security vulnerabilities, risks, countermeasures, and compensating controls, particularly in high-volume, real-time transaction processing.
- Ability to write production-quality code/script for security automation and tooling.
Nice to have
- Experience leading technical initiatives across multiple teams, organizations, and products.
- Experience in financial technology, payments, or cryptocurrency/bitcoin; or improving security standards and building scalable security systems.
Pay
$319,000 — $478,600 USD (Zone A; base salary); $319,000 — $478,600 USD (Zone B; base salary); $319,000 — $478,600 USD (Zone C; base salary); $319,000 — $478,600 USD (Zone D; base salary)
AI focus
No AI work specified for the role; the posting states that automated AI tools may be used to evaluate job applications.
Model-written summary · the original posting is authoritative