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Linux Cryptography and Security Engineer

Remote, Home based - Worldwide·Added 2 months ago (last checked 19 Oct)

Canonical

234 open roles

Our summary

Work mode
Remote (Home based - Worldwide)
English
Required

Visa options

  • The ad doesn’t mention sponsorship

    No sponsorship mentioned, and this kind of work is rarely sponsored in Spain.

  • May fit the digital nomad visa

    A remote job for a company outside Spain: you apply yourself, no sponsor needed. It asks for about €2,849 a month in remote income.

More jobs that may fit the digital nomad visa

Skills

Requirements

What we're looking for

  • 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

Nice to have

  • 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 Linux Kernel
  • Prior experience with Python, OVAL (Open Vulnerability Assessment Language), and Ansible
  • History of contributions to open source projects

Pay & benefits

What you'll get

We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognise outstanding performance. In addition to base pay, we offer a performance-driven annual bonus. We provide all team members with additional benefits, which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally.

  • Distributed work environment with twice-yearly team sprints in person - we've been working remotely since 2004!
  • 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 from your team and others
  • Priority Pass for travel and travel upgrades for long haul company events

The 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.

What you'll do

  • 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

Hiring process

6 steps5 interviewsa task to doabout 3 months in all
  1. Application

  2. Written interview

    In your own time

    A written submission tailored to the role presenting your academic and professional accomplishments; you choose format and length, and two domain experts grade it.

  3. Psychometric assessment (GIA)

    Online test · 30–45 min

    A cognitive-ability test measuring aptitude, problem solving and speed of learning, required for all applicants.

  4. Technical assessment

    Not every role

    A domain-specific assessment for some roles, graded by domain experts and discussed in later interviews.

  5. Early stage interviews

    With future colleagues and stakeholders · 3 sessions

    Three interviews with future colleagues and stakeholders focused on technical and domain skills.

  6. Talent interview

    With Talent Science team

    Interview with the Talent Science team including a 10-minute Personality Profile Analysis; compensation is first discussed here.

  7. Late stage interviews

    With potential manager, Hiring Lead and senior stakeholders

    Meet your potential manager, the Hiring Lead and senior stakeholders; management and leadership candidates also meet the CEO.

  8. Offer and onboarding · With a Hiring Lead

  • After application review you get a personal dashboard showing your assessment and interview plan.
  • The written interview is submitted anonymously to reduce bias early on.
  • You may apply to a single job once, or to four different jobs, in any 180-day period.

About Canonical

Canonical is the publisher of Ubuntu, the world's most widely used open-source operating system for cloud, IoT, and enterprise environments. Founded in 2004, the company is a global leader in open-source software, providing secure, supported Ubuntu solutions to enterprises, developers, and device manufacturers. With a distributed workforce spanning over 80 countries, Canonical drives innovation in areas like AI, edge computing, and cloud-native technologies, making it a key player in the open-source ecosystem.

Canonical has a strong presence in Spain, with a significant number of open roles across engineering, product, marketing, and sales. The company is known for its fully remote-first culture, allowing employees to work from anywhere, including Spain. For international professionals, Canonical offers a unique opportunity to contribute to world-class open-source projects, collaborate with a global team, and enjoy flexible work arrangements. The company values autonomy, excellence, and a passion for open-source, making it an attractive employer for those seeking a dynamic, remote-friendly environment.

Industry
Cloud/Ubuntu
Founded
2004
Employees
1,000–5,000
Headquarters
London, UK

Good to know if you are moving

  • Canonical is a remote-first company, allowing employees to work from anywhere, including Spain, with no requirement to relocate to a central office.
  • The company offers a diverse, international work environment with colleagues from over 80 countries, providing a global perspective.
  • Canonical is a major contributor to open-source projects, offering opportunities to work on widely-used technologies like Ubuntu, Kubernetes, and OpenStack.
  • Employees often receive a competitive salary and benefits, including home office setup allowances and professional development opportunities.
  • The company values autonomy and self-motivation, making it ideal for professionals who thrive in a flexible, results-driven culture.

In their own words

About the company & team

Canonical is a pioneering tech firm that is at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform for AI, IoT and the cloud, we are changing the world on a daily basis. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence - in order to succeed, we need to be the best at what we do.

Canonical has been a remote-first company since its inception in 2004. Work at Canonical is a step into the future, and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical provides a unique window into the world of 21st-century digital business.

Additional information

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.

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pqShield
pqShield
1w ago

Lead Software Engineer

Remote, (within the countries we operate from); UK, France, Netherlands, Spain, or Belgium. Some travel to our offices will be required from time-to-time

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