Sr Site Reliability Engineer

Why Thunderbird?

MZLA Technologies Corporation (MZLA), a wholly-owned subsidiary of Mozilla Foundation, runs the Thunderbird Project and develops related software and services. Thunderbird is a global, free, and open source email client that has grown significantly in donations, staff, and aspirations since its launch 20 years ago. We are expanding our team as we broaden our product and service offerings, committed to delivering best-in-class productivity solutions independent of big tech influence. This new role is an opportunity for an experienced engineer who is excited to design and implement infrastructure & automation to support Thunderbird’s ongoing growth.

The Opportunity:

Thunderbird is looking for a multi-skilled self-starter to work on site reliability engineering. As a Senior SRE, you will play a critical role in ensuring the reliability, scaleability, and performance of our systems. You will work closely with cross-functional teams to design and implement solutions that enhance our infrastructure and optimize our processes.You will be a foundational member behind Thunderbird's exciting new web services. You bring production-hardened IaC knowledge and experience to plan and implement the processes to deliver our new product offerings.The ideal candidate will excel in collaboration and possess strong communication skills, ensuring clear and open dialogue across all levels of the organization. Additionally, you will have a proven track record of successfully completing projects from start to finish.

You will be working in close cooperation with our current SDEs and SREs, other staff, and community members. The Sr Site Reliability Engineer is an individual contributor and will report directly to the Manager, Web Services. 

We’re committed to creating an amazing experience for our users, and you’ll play a key part in this effort. You will be working with our existing staff and community members from all over the globe to support the mission and objectives of MZLA Technologies Corp and the Thunderbird Project.

This is a remote, full time position. We expect excellent written communication skills so as to foster strong work coordination over email, video conferencing, Matrix, and and GitHub issues.

What you’ll do: 

• Set up and deploy the infrastructure and monitoring for current alpha and beta projects.
• Design and develop the CI/CD systems developers use and the infrastructure for all current and future websites and services.
• Diagnose and debug production incidents and then improve systems to prevent the problem from recurring.
• Collaborate with SDEs and fellow SREs to ship, maintain and monitor new builds of our websites and services.
• Occasionally assist with Thunderbird desktop CI/CD and releases.
• Work with a geographically-distributed development team.

What you’ll bring: 

• Seasoned professional with 10+ years of work experience
• Minimum 5 years professional experience in a tech infrastructure role, ideally in cloud-scale environments.
• Minimum 2+ years of experience in a senior DevOps or SRE role and experience acting as a technical lead, team lead or line manager.
• Ability to self-direct work, handle less structured environments, and communicate effectively with staff and community members in many different roles.
• Professional experience programming in Python, shell scripting, etc.
• Experience setting up reliable infrastructure-as-code deployments in one of the major cloud platforms such as AWS or GCP, using tools like Terraform, Helm, Cloudformation, or Ansible.
• Experience with industry standard web development CI/CD tools such as Jenkins, CircleCI, TeamCity, GitHub Actions, etc.
• Excellent English written and verbal communication, with the ability to clearly and concisely interact with an international audience.
• Proven track record of scoping and finishing projects.
• A mission of making a concrete positive impact on the day to day communication experience for tens of millions of users.
• Commitment to our values:
  • Passionate about fostering openness and transparency within an open-source community
  • Demonstrates a collaborative and team-oriented approach
  • Motivated by curiosity and creativity
  • Embraces and champions diversity
  • Brings a hearty dose of scrappy grit and resilience to our lively and spirited team.

Bonus points for:

• Experience with database administration and performance optimization.
• Experience with data science & analytics software such as Redshift, Presto, EMR, Kinesis, etc.
• Experience with web development.