Senior Site Reliability Engineer

  • Los Angeles, CA, United States
  • Full-time

Company Description

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

Job Description

Client Platform Engineering architects, develops, and operates a mission critical platform used by all Blocks: the employee laptops. Following current best practices, CPE operates this platform using an infrastructure as code approach, often in innovative ways. We are dedicated to a CI/CD workflow where all changes are tested, promoted, and deployed through automated processes to ensure reliability, and security while minimizing operational cost. CPE follows a site reliability approach to service ownership, with a focus on instrumenting our services for data-driven decision making and alerting. We support a growing five-figure fleet consisting of macOS, iOS, Windows, Chrome OS, and Linux clients


We are looking for an engineer to join our team who either comes from an SRE background and wants to learn about client management, or an experienced client engineer who is looking to take their device automation skills to the next level. We are an agile team who loves to pair program, learn new technologies, and push the boundaries of our field. We contribute to open source, present at conferences, and shape the industry discourse through innovation and experience.


As a member of our team, you will:

  • Manage the entire employee device lifecycle while working with partner teams in information security, logistics, and help desk to ensure a seamless environment for Blocks.

  • Build and maintain CI/CD pipelines for integrating changes and deploying to production in progressively tested environments.

  • Automate the software patching and deployment process

  • Deliver configurations and maintain state using configuration management tools

  • Instrument services with an aim for automated monitoring and alerting

  • Support data-driven policy by shipping and querying streams of fleet data


You have:

  • Demonstrated excellence in building and owning highly scalable backend services

  • Experience with cloud platforms (we use AWS)

  • Experience with modern infrastructure as code tools (Terraform, Docker, Saltstack, CI/CD)

  • Experience with management/automation tools such as Puppet/SALT.

  • Experience designing and building APIs

  • A desire to be directly responsible for the lifecycle of engineering solutions.  This includes leading the design and implementation of projects and organizing the team to achieve a remarkable solution.

  • A love of automation, abstracting complexities away from customers, and making things that “just work”

  • A strong desire to see your work have direct impact on the business

  • Experience in at least one of the following programming languages: Python, Go, Ruby, Swift.

  • Consistent track record of coordinating or leading small cross-team technical projects.

Technologies we use and teach:

  • AWS

  • Saltstack

  • Python, Swift, Go, Powershell, Bash

  • Munki, Chocolatey

  • macOS, Win, Chrome, MDM

  • Snowflake

  • Apache Airflow

  • Humio

Additional Information

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page

Additionally, we consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.


We want you to be well and thrive. Our global benefits package includes:

  • Healthcare coverage
  • Retirement Plans
  • Employee Stock Purchase Program
  • Wellness perks
  • Paid parental leave
  • Paid time off
  • Learning and Development resources

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

Privacy Policy