C

Security Hardening Engineer

Canonical • Latin America
Full Remote
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Join Canonical's Security Hardening team to build and maintain Ubuntu's security foundation, ensuring compliance with FIPS 140-3 and Common Criteria standards. Extend Linux cryptographic components (OpenSSL, Libgcrypt, GnuTLS), develop audit/remediation automation for DISA-STIG and CIS benchmarks, and collaborate with kernel and engineering teams. Requires hands-on C development, low-level Linux cryptography APIs expertise, Linux system administration, shell scripting, and strong open source experience.

Key Highlights
Build and maintain Ubuntu's security foundation for FIPS 140-3 and Common Criteria compliance
Develop Linux cryptographic components and automation for DISA-STIG and CIS benchmark audits
Collaborate with kernel team and external partners across a fully remote, distributed environment
Key Responsibilities
Collaborate with Security Hardening team to achieve and retain security certifications
Extend Linux cryptographic components (OpenSSL, Libgcrypt, GnuTLS) for FIPS and CC certification
Collaborate with external security consultants to test and validate kernel and crypto modules
Develop security hardening benchmarks and audit/remediation automation for Ubuntu
Contribute to Ubuntu mainline and upstream open source projects
Communicate and collaborate internally and externally to improve security posture and deliver solutions
Technical Skills Required
C Development Linux System Administration Cryptography
Benefits & Perks
USD 2,000 annual personal learning and development budget
Performance-driven annual bonus
Twice-yearly in-person team sprints
Maternity and paternity leave
Annual compensation review and recognition rewards
Employee Assistance Programme
Travel opportunities and Priority Pass for long haul events
Nice to Have
Prior experience with FIPS/Common Criteria certified products
Experience with DISA-STIG or CIS benchmarks and Compliance as Code tooling
Experience working with Linux Kernel
Prior experience with Python, OVAL, and Ansible
History of contributions to open source projects

Job Description

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.

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