Security Software Engineer

Overview Security Software Engineer role at Canonical . Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. The company is founder-led, profitable, and growing. Canonical is a remote-first company with 1200+ colleagues in 75+ countries and very few office-based roles.

Canonical is looking for exceptional security-focused software engineers to be integrated across product teams. Their primary focus is to challenge the entire team to think more deeply about security through state-of-the-art practices such as threat modeling, architecture and design reviews, static analysis tools, fuzzing, and related security activities. These roles encompass all aspects of product security, including feature development, vulnerability response, proactive security, and open source community participation. Engineers collaborate closely with other Canonical teams, customers, and partners across the open source ecosystem.

Location : Worldwide, this is a globally remote role. This role requires the ability to be productive in a globally distributed team and involves mandatory international travel at least twice a year, typically for one week.

What you’ll do Define, implement, and document new security features

Lead security-focused initiatives within a product engineering team

Analyze, fix, and test vulnerabilities in open source software

Contribute to Ubuntu and upstream open source projects to benefit the community

Audit and analyze source code for vulnerabilities

Integrate new tools into security infrastructure, pipelines, and processes

Achieve and retain various security certifications

Extend and enhance Linux cryptographic components to meet country-specific compliance requirements (e.g., FIPS, Common Criteria)

Work with external partners to develop Center for Internet Security (CIS) benchmarks

Design and develop hardening automation for Ubuntu

Stay up to date with trends and developments in the security industry

Develop, test, and maintain new software capabilities

Provide guidance and support to other engineering teams on security best practices

What we are looking for in you An exceptional academic track record from both high school and university

Undergraduate degree in Computer Science or STEM, or a compelling narrative about an alternative path

A track record of going above and beyond expectations

Thorough understanding of common security vulnerability categories and how to fix them

Knowledge of modern software engineering techniques

Familiarity with open source development tools and methodologies

Skill in one or more of C, C++, Python, Go, Rust, Java, Ruby, PHP, or JavaScript / Typescript

Experience as a security champion

Experience driving security within a wider SSDLC process

Professional written and spoken English

Experience with Linux (Debian or Ubuntu preferred)

Excellent interpersonal skills, curiosity, flexibility, and accountability

Passion, thoughtfulness, and self-motivation

Excellent communication and presentation skills

Results-oriented, with a personal drive to meet commitments

Optional skills we also value Clear and effective communication with both the team and Ubuntu community members

Experience working with the Linux kernel

Experience with security certifications and knowledge of FIPS and / or Common Criteria (CC)

Experience with OVAL (Open Vulnerability Assessment Language)

Knowledge of cryptographic modules such as OpenSSL and Libgcrypt

Knowledge of low-level Linux cryptography APIs

Demonstrated ability to learn quickly

Performance engineering experience

What we offer you We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually and offer a performance-driven annual bonus, plus additional benefits that reflect our values and local needs. We balance programs to ensure fairness globally.

Distributed work environment with twice-yearly team sprints in person

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

Annual compensation review

Recognition rewards

Annual holiday leave

Maternity and paternity leave

Employee Assistance Programme

Opportunity to travel to new locations to meet colleagues

Priority Pass and travel upgrades for long-haul company events

About Canonical

Canonical is a pioneering tech firm at the forefront of the global move to open source. As the publisher of Ubuntu, we are changing the world by enabling AI, IoT, and cloud innovation. We recruit on a global basis and maintain remote-first practices. Canonical has been remote-first since its inception in 2004. We expect excellence and challenge you to think differently, work smarter, and continuously raise your game. 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.

Seniority level Entry level

Employment type Full-time

Job function Engineering and Information Technology

Industries : Software Development

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