Jobs / United States / Canonical USA INC
Software Engineer, Sustaining Engineering
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.
Or apply yourself on the official page →
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. We are hiring a Software Engineer, Sustaining Engineering for ... ...a fast-paced engineering role in Linux-based software-defined infrastructure and applications, covering all layers of the stack, including bare metal, virtualization (KVM) and containerization (Docker/LXC/LXD), storage (Ceph and Linux filesystems), networking (OVS, OVN and Core networking), up to OpenStack and Kubernetes, and the open source applications running on top of them. It will challenge you to show the breadth of engineering skill needed to work on almost any aspect of Ubuntu and the open source things people run with it. This role is an opportunity for a technologist with a passion for Linux and open source to build a career with Canonical and drive success for our customers, community and the company. If you have an affinity for open source development, great communication skills, and a passion for troubleshooting and fixing issues in technology used by millions across the world, then you will enjoy working with some of the best people in the industry at Canonical. Location: This is a remote role, we have teams in all time zones. This role deals with critical issues in the open source stack that require software engineering for upstream bug fixes. Our engineers have to be able to work productively at any level of the stack above the kernel, in a wide range of languages, to understand and address the software issues at hand. Our group is critical to the success of our enterprise customers, partners and Ubuntu itself. You will help with troubleshooting and driving issues to resolution with workarounds, guidance, and bug fixes to be released upstream and in Ubuntu. This role entails • Resolving complex customer problems related to Ubuntu, Kernel, Ceph, OpenStack, or Kubernetes and other open source software • Maintaining a close working relationship with Canonical's Field, Support and product engineering teams • Participating in upstream communities • Developing bug fixes, backporting patches, and working with upstream for inclusion • Reviewing code produced by other engineers • Demonstrating good judgement in technical methods and techniques • Prioritizing work and managing your time effectively against those priorities • Participating in team discussions to improve processes, tools, and documentation • Maintaining clear, technical and concise communications • Working from home and travel internationally up to 10% of work time for team meetings, events and conferences What we are looking for in you • Professional experience as a software engineer • Background in Computer Science, STEM or similar • Strong experience with Linux, and at least one of the following: • Ceph, OpenStack, Kubernetes or other cloud technologies • Strong development-level experience with at least one of Python, Go, C or C++ on Linux • Ability to troubleshoot with debugging tools like gdb • Familiarity with git source code repositories and branches • An exceptional academic track record • Willingness to travel up to 4 times a year for internal events Nice-to