Linux Cryptography and Security Engineer

Overview Canonical is seeking a Linux Cryptography and Security Engineer to help build and maintain the security foundation for Ubuntu, ensuring compliance with international information security standards such as FIPS 140-3 and Common Criteria. You will apply 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 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 solutions. In this role you will 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.

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

Communicate and collaborate within and outside Canonical to identify opportunities to improve our security posture, rapidly resolve issues, and deliver high-quality solutions on schedule

Qualifications

Hands-on experience with low-level Linux cryptography APIs and debugging

Excellent software engineering fundamentals, including prior experience with C development

Hands-on experience with Linux system administration and shell scripting

Demonstrated knowledge of security and cryptography fundamentals plus 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

Additional Skills That You Might Also Bring

Prior experience working on FIPS / Common Criteria certified products and in-depth knowledge of the underlying standards

Prior experience working directly with DISA-STIG or CIS benchmarks, including related audit + remediation tooling (e.g., Compliance as Code)

Experience working directly with the Linux Kernel

Prior experience with Python, OVAL (Open Vulnerability Assessment Language), and Ansible

History of contributions to open source projects

What we offer

Distributed work environment with twice-yearly team sprints in person

Personal learning and development budget of USD 2,000 per year

Annual compensation review and performance-driven bonus

Employee benefits and welfare programs aligned with Canonical values

Annual holiday leave, maternity and paternity leave, and Employee Assistance Programme

Opportunity to travel to new locations to meet colleagues

About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, we enable AI, IoT and cloud platforms and recruit on a global basis with a high standard for excellence. Canonical has been a remote-first company since 2004.

Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration.

Job details

Seniority level : Entry level

Employment type : Full-time

Job function : Information Technology

Industries : Software Development

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