Principal Security Engineer

Block

Confirmed live 2 days ago High trust

Quick summary

Work type
On-site
Location
San Francisco, CA
Salary
$319,000–$478,600 / yr
Posted
73 days ago
Freshness
Confirmed live 2 days ago

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $180k
This role $399k
$89k most similar roles pay here $520k

This role pays more than 99% of similar roles. Most pay $151,475–$209,500 — the shaded band above. At the midpoint, this role pays about $399k versus about $180k for comparable roles.

Based on 240 similar postings.

Employer

About Block

Block, Inc. (formerly Square) is a financial technology company operating the Square merchant payments ecosystem, Cash App peer-to-peer payments, TIDAL music streaming, and Bitcoin-focused financial services. Industry: Financial Technology & Payments

Block currently has 53 open roles on FindRole.

Listed pay typically runs $217,800–$326,800 across 52 roles with salary data.

Most-posted roles

View all roles at Block

At a glance

TL;DR · Principal Security Engineer

Careers - Principal Security Engineer As a technical leader within the Information Security team, the Principal Security Engineer focuses on Software Security Engineering to establish high standards for security excellence. This role involves developing innovative software solutions to address complex problems like technology fragmentation and data sprawl while championing a "Secure by Design" culture across core products and infrastructure. Key responsibilities include defining multi-year technical strategies, overseeing architecture for critical systems like tokenization platforms, and spearheading security reliability engineering practices. The candidate will perform threat modeling, provide architectural reviews, and mentor engineers on system design and production-quality coding for automation tools. The role requires expertise in high-volume, real-time transaction processing environments, specifically within the financial technology, payments, or cryptocurrency domains. Essential skills include mastery of system architecture, security vulnerability analysis, and the ability to influence executive leadership regarding security roadmaps.

What does a Security Engineer earn in California?

Median $196000 from 31 postings across 16 companies.

See salary data

What you'll do

  • Develop innovative software solutions to address core security risks like technology fragmentation and post-facto security issues.
  • Define the multi-year technical strategy for software security and guide architectural decisions across the organization.
  • Lead the development of high-leverage security infrastructure to combat data sprawl and overpermissioning across business units.
  • Drive engineering excellence and reliability for critical systems including tokenization platforms and mobile software ecosystems.
  • Implement Security Reliability Engineering (SecRelEng) practices to improve the availability and resilience of security services.
  • Act as a technical decision-maker to lead planning and execution for high-priority security initiatives.
  • Provide security architecture reviews, threat modeling, and guidance to integrate security into the development lifecycle.
  • Mentor engineers on system design, technical execution, and documentation to foster internal knowledge sharing.

What we're looking for

  • Proven track record of exemplary technical leadership at a Principal or equivalent level (L8+).
  • 10+ years of experience developing and shipping production software and critical services.
  • Minimum of 5 years of experience establishing and scaling security practices in large, modern technology environments.
  • Mastery of system design and architecture to solve complex, domain-heavy problems.
  • Deep technical understanding of security vulnerabilities, risks, and countermeasures in high-volume transaction processing environments.
  • Ability to write production-quality code and scripts for security automation and tooling.
  • Experience leading significant technical initiatives across multiple team, organizational, and product boundaries.
  • Preferred experience in the financial technology, payments, or cryptocurrency domains.

More like this

Similar roles

Principal Security Engineer

Oracle

Switzerland 77 days ago $106,300$234,600
Hardware Security Firmware x86 ARM UEFI Root of Trust Secureboot Cryptography Intel SGX C C++ Java Python Ruby Go Rust Assembly CICD SPDM SmartNICs
8+ yrs exp

Lead Principal Security Engineer

Oracle

Switzerland 77 days ago $130,000$306,400
Hardware Security Firmware x86 ARM UEFI Root of Trust Cryptography Secureboot Intel SGX C C++ Java Python Ruby Go Rust Assembly CICD
10+ yrs exp

Principal Security Engineer

Microsoft

17 days ago $142,800$274,800
Threat Modeling Security Architecture Automation Distributed Systems APIs Risk Management Cyber Security Anomaly Detection Security Assessment Reference Architecture
6+ yrs exp

Senior Security Engineer, Platform Security

Block

San Francisco, CA 3 days ago $217,800$326,800
AWS GCP Terraform IAM Kubernetes CSPM DSPM EKS GKE Looker Snowflake Cloud Security Infrastructure-as-Code GitHub Copilot Claude Code Cursor
5+ yrs exp

Principal Security Engineer

JPMorgan Chase

Seattle, WA 25 days ago
AI Security Engineering Kubernetes Container Security CI/CD Endpoint Protection anti‑virus Product Management Automation