Sr Site Reliability Engineer

$96,000 - $115,000 yearly
  • Mozilla
  • Remote (Canada)
  • 01 Jun, 2024
Full time, Remote System Administration

Job Description

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.
  • Knowledge of email protocols and/or experience running email servers (SMTP, IMAP).
  • Previous experience with an Open Source project, or participation in an Open Source community.
  • Dedication to open source and open standards.
  • Passionate about our mission - you care deeply about user privacy and control over one’s data

What you’ll get:

We benchmark our base salaries to local markets and target the 60th percentile of the peer market. The salary ranges for this role are:

  • Canada: $96,000 - $115,000 CAD 

In addition to competitive salaries, we offer a comprehensive benefits package designed to support your whole self.

Work & Career

  • Fully remote work & schedule flexibility
  • Latest Laptop and accessories 
  • Annual Remote Work Stipend
  • Monthly Internet Stipend
  • Professional Development Stipend
  • Industry Conferences
  • Annual Global Team Offsite

Rest & Play

  • 24 days PTO per year (prorated) 
  • Your Birthday
  • Year-end Company Shutdown
  • Pilot 4 Day Work Week (July & August 2024)
  • Public Holidays
  • Other Paid Leave
  • Wellbeing Stipend for Personal / Family Activities

Health & Family

  • RRSP Contributions
  • Health, Dental, & Vision Insurance
  • Disability/Income Protection Insurance
  • Life Insurance
  • Employee Assistance Program 
  • Paid Parental Leave
  • Paid Sick Days 

*Applicants must reside in and have work authorization for one of the country locations specified above. We are unable to consider applicants outside of these markets at this time. And we are unable to provide visa sponsorship

About Mozilla 

At Mozilla, we have big ambitions for the future, we want to build impactful products that are different — that are built with more respect for the people using them and help us explore new forms of openness. It’s going to take hard work that Mozilla is uniquely suited to take on. It’s why we’re here. It’s who we are. And it’s our future.

Bring your passion, your creativity, your big ideas, and your new perspectives to make the difference we’re aiming for.

MZLA Technologies Corporation (MZLA) Commitment to diversity, equity and inclusion

Mozilla believes in the value of diverse creative practices and forms of knowledge, and knows diversity, equity and inclusion are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities and expressions.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose. 

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at to request accommodation.