Principal Security Engineer

Block

Confirmed live yesterday High trust

Quick summary

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

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $183k
This role $399k
$100k $519k
below market most similar roles pay here above market

This role pays more than 99% of similar roles. Most pay $149,500–$216,000 — the blue band above. At the midpoint, this role pays about $399k versus about $183k 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 41 open roles on FindRole.

Listed pay typically runs $217,800–$326,800 across 40 roles with salary data.

Most-posted roles

View all roles at Block

At a glance

TL;DR · Principal Security Engineer

JOB TITLE: Careers - Principal Security Engineer As a Principal Security Engineer within the Software Security Engineering team, you will provide technical leadership to establish security excellence and develop innovative software solutions for complex problems. Reporting to the CISO, you will champion a Secure by Design culture by influencing the architecture of core products and infrastructure. Your daily responsibilities include defining multi-year technical strategies, leading the development of high-leverage security solutions to combat data sprawl, and overseeing security reliability engineering practices. You will perform threat modeling, mentor engineers on system design, and write production-quality code for security automation. This role requires mastery of system design, deep knowledge of security vulnerabilities in real-time transaction processing environments, and experience in financial technology, payments, or cryptocurrency domains to ensure scalable, secure innovation.

What does a Security Engineer earn in California?

Median $200125 from 42 postings across 15 companies.

See salary data

What you'll do

  • Define and execute the multi-year technical strategy for software security across the company.
  • Develop innovative software solutions to address high-priority risks like technology fragmentation.
  • Lead the design and implementation of high-leverage security infrastructure across all business units.
  • Drive engineering excellence for critical systems including tokenization platforms and mobile software.
  • Champion security reliability engineering practices to improve the resilience of security services.
  • Provide security architecture reviews and threat modeling for critical systems during the development lifecycle.
  • Mentor engineers on system design, technology choices, and technical execution.
  • Write production-quality code and scripts for security automation and tooling.

What we're looking for

  • 10+ years of experience developing and shipping production software and critical services.
  • Minimum of 5 years of experience establishing and scaling security practices in a large, modern technology environment.
  • Track record of exemplary technical leadership and decision-making at a Principal or equivalent level (L8+ technical capabilities preferred).
  • Mastery of system design and architecture to solve ambiguous, domain-heavy problems.
  • Deep technical understanding of security vulnerabilities, risks, countermeasures, and controls in high-volume, real-time 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 financial technology, payments, or cryptocurrency/bitcoin domains (preferred).

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