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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. 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 This Role

Mozilla’s Cloud Engineering team seeks a Senior Software Engineer to mature, maintain, and build features for our Internal Developer Infrastructure Platform. You will work on creating standardized, scalable systems for CI/CD, Observability, Kubernetes optimization, environment bootstrapping, cost optimization, and more. Supporting the Infrastructure needs of the organization and identifying new opportunities to mature the path to production in a safe, cost effective way will also be an integral part of this role.

What You’ll Do Support infrastructure that development teams use to own and operate their services at Mozilla. Guide technical decision-making and adoption of user-centric solutions.

Create

Claude skills and design agentic workflows that improve developer productivity Guide team members and promote engineering standard methodologies, with a focus on usability and maintainability. Facilitate cross-functional collaboration for productive and cohesive platform delivery. Write proposals and decision briefs for current policies, processes, and platform functionality.

Create new features for the platform with a meaningful value proposition Be trusted to resolve unclear but urgent tasks. What You’ll Bring 5+ years experience in software engineering with expertise in at least one of (Platform Engineering,



Cloud Engineering, SRE, DevOps) Proven technical leadership experience. Expertise in several of the following (ArgoCD, Grafana, K8s, GitHub, Terraform, Helm, Backstage, Cloud Cost Optimization) Proficient in Python, JavaScript, or Go.

Strong expertise in cloud-native technologies (GCP preferred; AWS also acceptable). Excellent communication skills aligning technology with user needs and organizational goals. Self-starter who thrives in ambiguity.

Curiosity and interest in learning new things Commitment to our values: Welcoming differences Being relationship-minded Practicing responsible participation Having grit Bonus points for… Experience with distributed systems architecture and design Knowledge of cloud security and governance principles Experience designing agentic workflows Database expertise Experience building Internal Developer Platforms 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 Req ID: R3164 Hiring Ranges Canada Tier 1 Locations $104,000—$139,000 CAD Canada Tier 2 Locations $95,000—$126,000 CAD Remote Canada Applicant Privacy Notice Why Mozilla? At Mozilla, we’re serving humanity—by maintaining a safe, open internet—while also helping the individual humans employed here to reach their personal and professional goals. With a relatively small team serving hundreds of millions of people, a culture of exploration, and a commitment to mentorship, opportunities abound to learn and grow at Mozilla.

Our values drive our actions Purpose is built into our work, with our mission driving every decision We challenge assumptions, the status quo, ourselves, and each other We are transparent: in our code, our business partnerships, and our everyday interactions We seek out people from diverse backgrounds and with perspectives different from our own We pair purpose with performance and put people ahead of profit Our impact is global 1000+ paid staff from over 30 countries Thousands of volunteer contributors across six continents 2 global offices: Berlin and Toronto 9 coworking space locations: San Francisco, San Mateo, London, Paris, Portland, Tulsa, Vancouver, Chicago, and Bellevue Hundreds of home offices globally Our benefits are world-class Flexible work environment (majority of Mozillians work remotely) Industry-leading paid parental leave (up to 26 weeks of fully paid leave for childbearing parents and up to 12 weeks for non-childbearing parents) Reimbursement for professional development (up to $3,000/year) A work setup including the latest hardware and software of your choice Company Leadership Press Center Careers Merch Store Contact Support Product Help File a Bug Localize Mozilla Security Developers Developer Edition Enterprise Tools MDN Firefox Release Notes Follow @Mozilla Bluesky (@mozilla.org) Instagram (@mozilla) LinkedIn (@mozilla) TikTok (@mozilla) Spotify (@mozilla) Follow @Firefox Bluesky (@firefox.com) Instagram (@firefox) YouTube (@firefoxchannel) TikTok (@firefox) Donate All languages Language English (Canadian) English (British) English Donate to the not-for-profit Mozilla Foundation. Portions of this content are ©1998–2026 by individual mozilla.org contributors. Content available under a Creative Commons license.

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