Jobs / United States / Canonical USA INC
Ubuntu Security Engineer
Canonical USA INC · 🇺🇸 Home based - Worldwide
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 1 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Feb 2026) — the step every H-1B hire needs first. USCIS also records 1 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- 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. 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.
- Confirmed live todayWhen a source last listed this job as open.
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.
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Sponsor Radar — Canonical USA INC
The US Department of Labor certified 1 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Feb 2026) — the step every H-1B hire needs first. USCIS also records 1 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Canonical USA INC →
About the role
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. Canonical is building a team dedicated to providing security coverage across a wide range of ecosystems and environments, working to make the world a better, safer place. We are hiring an Ubuntu Security Engineer to join an industry-leading security engineering team and help protect the open source community and Ubuntu users from emerging threats. We are looking for candidates across all levels of experience, from Graduate to Senior. As part of the Ubuntu Security Team, you will work with some of the best and brightest people in technology to monitor, triage, respond to, and document new and existing vulnerabilities in open source software. You will collaborate with internal teams and external partners to identify issues, prioritize them, and coordinate remediation. This is an engineering-focused role that may also involve activities such as producing security assessments, building features, conducting code reviews, developing internal tools, engaging with the open source community, and participating in industry initiatives and events. This role requires international travel at least twice a year, usually for one week. It also requires the ability to be productive in a globally distributed team through self-discipline and self-motivation. Location: Worldwide, this is a globally remote role The role entails • Analyzing, fixing, and testing vulnerabilities in open source packages • Keeping track of vulnerabilities in the Ubuntu ecosystem as they are discovered, researched, and fixed, leveraging internal tools • Collaborating with other teams in the Ubuntu community and upstream developers, as needed, to exchange or develop vulnerability patches and ensure that Ubuntu includes the most robust security features • Auditing source code for vulnerabilities • Building features and tools to help teams strengthen the security of their products and contribute to the overall security of Ubuntu What we are looking for in you • You have a thorough understanding of the common categories of security vulnerabilities and techniques for fixing them • You are familiar with coordinated disclosure practices • You are familiar with open source development tools and methodologies • You are skilled in one or more of C, Python, Go, Rust, Java, Ruby, PHP or JavaScript/TypeScript • You have excellent logic, problem-solving, troubleshooting, and decision-making skills • You can clearly and effectively communicate with the team and Ubuntu community members • Experience with Linux (Debian or Ubuntu preferred) • Excellent interpersonal skills, curiosity, flexibility, and accountability • Appreciative of diversity, polite, and effective in a multi-cultural, multi-national organization • Thoughtfulness and self-motivation • Result-oriented, with a personal drive to meet commitments What we offer colleagues We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to