Back to all jobs

Applicant-tracking source confirmed

Linux Cryptography and Security Engineer

Canonical

IT Helpdesk & Application SupportRemoteNot stated by employerQualification-specificHome based - WorldwideAfrica, Europe & Americas34d ago

Opportunity overview

What you should know

We checked this opportunity from Canonical. It is listed as Africa, Europe & Americas.

The work location is Home based - Worldwide. Employer-stated compensation: Salary not included in the job posting.

Job description

About this role

This is a unique opportunity to use your software engineering and cryptography skills to build and maintain the security foundation that enables Ubuntu and its users to operate securely and remain compliant to international information security standards such as FIPS 140-3 and Common Criteria. You will use your applied cryptography, Linux Security, and coding skills to enhance the Ubuntu distribution and work with organizations such as DISA and CIS to draft and implement security hardening benchmarks for Ubuntu. As a member of the Security Hardening team you will work with and develop automation tooling to audit deployed systems for DISA-STIG and CIS benchmark compliance. You will interact with internal and external stakeholders to identify gaps in our frameworks, and develop new solutions to address these challenges. In this role you will have the opportunity to influence team and security culture, facilitate technical delivery, and help drive team direction and execution. You’ll collaborate closely with Canonical’s kernel team as well as the wider engineering organization to drive features impacting all Ubuntu users. Day-to-day responsibilities • Collaborate with other engineers in the Security Hardening team to achieve and retain various Security certifications • Extend and enhance Linux cryptographic components (OpenSSL, Libgcrypt, GnuTLS, and others) with the features and functionality required for FIPS and CC certification • Collaborate with external security consultants to test and validate kernel and crypto module components • Work with external partners to develop security hardening benchmarks and audit + remediation automation for Ubuntu • Contribute to Ubuntu mainline and upstream projects to land solutions and benefit the community • Communication and collaboration within and outside Canonical to identify opportunities to improve our security posture, rapidly resolve issues, and deliver high-quality solutions on schedule What we are looking for in you • Hands-on experience with low-level Linux cryptography APIs and debugging • Excellent software engineering fundamentals, including prior experience with C development, and the ability to demonstrate such • Hands-on experience with Linux system administration and shell scripting • Demonstrated knowledge of security and cryptography fundamentals + direct experience writing secure code and implementing best practices • Significant development experience working with open source libraries • Excellent verbal and written communications to enable efficient collaboration with internal and external partners in a remote-first environment A Job description: Home based - Worldwide

Confirm the latest details with the employer

The description, responsibilities and qualifications used for this page and its JobPosting data appear above. Use the application action in the Job snapshot to confirm any later changes before applying.

Why you may be eligible

The source lists Africa, Europe & Americas as the eligible location. Confirm that you meet any work-authorization, time-zone and experience requirements.

About the employer

Canonical

Canonical publishes Ubuntu and develops open-source technology used across cloud, enterprise, IoT and AI environments.

This opportunity was checked against a direct Canonical careers listing.

Career Studio · Early access

Want help preparing your application?

Use this job to tailor your CV and prepare a focused cover letter based on the employer’s requirements.

  • Job-specific CV guidance
  • Focused cover-letter draft
  • You review, edit and submit it yourself
Get application helpCareer Studio prepares drafts only. It never applies or contacts anyone for you.

How this listing was checked

Source status
Applicant-tracking source confirmed
Employer or source
Canonical
Source checked
September 8, 2026
Application destination
Employer or official applicant-tracking website
Work setup and location
Remote · Home based - Worldwide
Who can apply
Africa, Europe & Americas · Confirmed by source
Pay
Not stated by employer
Deadline
Not stated by employer

We check the source and visible requirements, but the employer controls changes and the final hiring decision. Confirm the latest requirements before applying.