Jobs / United States / mozilla

mozilla

Staff Software Engineer, Firefox Enterprise

Location unlisted Posted today

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Skills this job asks for

Social mediaLeadershipProduct managementRustJavaScriptSQLKubernetes

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Sponsorship verdict

Sponsorship possible

One solid signal, not two. Worth applying, and worth asking about sponsorship early.

  • Employer is on a government sponsor recordThe US Department of Labor certified 2 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first.
  • The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
  • No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area.
  • What mozilla paid sponsored hires in similar roles1 certified filing for “Senior Director of Machine Learning, Firefox” (Computer and Information Systems Managers) in WA: $413k–$413k, median $413k.
  • Confirmed live todayWhen a source last listed this job as open.
Details and sources
Employer is on a government sponsor record
The US Department of Labor certified 2 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. Source: LCA disclosure data (US Department of Labor (OFLC)).
No salary bar for this route
H-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
What mozilla paid sponsored hires in similar roles
1 certified filing for “Senior Director of Machine Learning, Firefox” (Computer and Information Systems Managers) in WA: $413k–$413k, median $413k. Most were filed at wage level IV (100%) — 4 lottery entries, ≈61% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).

US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).

A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.

About the role

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. 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 team and role: The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! The Enterprise team is a cross-disciplinary team in charge of improving and maintaining Firefox support for large Enterprise deployments. As part of the team, you will be responsible for all things related to services and infrastructure for our Enterprise products. A Staff Software Engineer is the next level up from a Senior Software Engineer. At Mozilla this role can vary, but typically a staff engineer supports an engineering team, providing technical leadership, building cross-team relationships, and helping the team deliver on their objectives. What You'll Do: • Improve the ease of use and security of Firefox in large deployments by developing better administration and monitoring tools. • Improve Firefox functionality by better integration with remote services. • Assess what work supports the team and product roadmap and make insightful recommendations in regards to priorities. • Work with a geographically-distributed development team. What You’ll Bring: • 8+ years of professional experience in software development. • Experience developing robust services according to modern best practices. • Strong software engineering fundamentals: modularity, abstraction, data structures, and algorithms. • Proficiency in Rust and JavaScript. • Proven understanding of database systems (SQL and/or non-relational databases). • You are an excellent communicator and have participated effectively on a distributed team. • You’re pragmatic about how to move things forward in specific timeframes including trade-offs and safeguards when implementing new functionality. • Curiosity and interest in learning new things. • Commitment to our values: • Welcoming differences • Being relationship-minded • Practicing responsible participation • Having grit Bonus Points • Front-end development experience. • Experience with kubernetes. • Experience with OIDC/OAuth2. • You have previously successfully contributed to an open source project. What you’ll get: • Generous performance-based bonus plans to all eligible 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 b

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