Senior Application Engineer

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Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About The Role

Mozilla is seeking a Senior Application Engineer to join our IT team and play a pivotal role in supporting SaaS tools and defining requirements for integrations and automation across our enterprise application stack—including, but not limited to, Google Workspace, Slack, Atlassian Suite, and other critical business platforms. This role is ideal for someone who excels at understanding business challenges, translating them into technical solutions, and collaborating with multi-functional teams to drive scalable outcomes.

If you thrive in a dynamic, collaborative environment, are highly organized, and bring deep experience with SaaS ecosystems and enterprise applications, this could be the ideal fit.

What You'll Do

• Partner with our business and technical teams to define and document requirements for application integrations and workflow automation
• Translate complex business needs into clear, actionable technical specifications
• Support, maintain, and optimize key enterprise platforms including Google Workspace, Slack, Jira, Confluence, and Zoom
• Assist in the evaluation, deployment, and configuration of SaaS tools to ensure alignment with business objectives and security standards
• Coordinate with development and operations teams to ensure integrations and tools are built, tested, and deployed effectively
• Monitor application health and user feedback to identify and drive improvements
• Contribute to internal knowledge bases and documentation to support scalable operations
• Stay ahead of industry trends and new technologies, and make informed recommendations for adoption and innovation
• Work independently in a fast-paced, remote-friendly environment, while collaborating closely with cross-functional teams
• Be challenged with identifying and presenting innovative ideas and proof of concepts that align with customer needs and Mozilla’s engineering standards
  
  

What You'll Bring

• 5+ years of experience supporting and leading SaaS applications in organizations with 1,000+ users
• Deep expertise in Google Workspace administration (GAM experience is a plus), Slack, and other collaboration and productivity platforms
• A proven ability to assemble, document, and translate technical requirements for new application onboarding, integrations, and automation initiatives
• Familiarity with API-based integration concepts and platforms
• Experience or familiarity with scripting languages such as Python or PowerShell for automation use cases
• Excellent interpersonal and communication skills with the ability to clearly articulate technical concepts to non-technical audiences
• Strong organizational and project management skills; able to manage multiple priorities and initiatives simultaneously
• A proactive, collaborative approach and a passion for enabling efficient, user-centric systems
  
  

What You’ll Get

• Generous performance-based bonus plans to all regular employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)
  
  

About Mozilla

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge 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 certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.

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 [email protected] to request accommodation.

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.

Group: D

ReqID: R2789

Hiring Ranges

Canada Tier 1 Locations

$104,000—$139,000 CAD

Canada Tier 2 Locations

$94,000—$126,000 CAD