Kape is a leading force in digital privacy, security, and performance solutions, serving millions of users worldwide. We operate with the agility and energy of a startup, yet with the resources and ambition of a global tech company. At Kape, innovation and impact are core to our mission, and we are expanding our R&D team to push the boundaries of what’s possible in secure and high-performance infrastructure.

Job Description

We are looking for a Staff/Principal Linux Infrastructure Engineer with deep expertise in Linux kernel development, network driver creation, and performance optimization. In this hands-on, high-impact role, you will work directly with our CTO, with no intermediary reporting, to create and refine the core systems that drive Kape’s infrastructure. This role is ideal for a Linux expert with a record of notable contributions to the kernel community and a history of published research in the field.

Key Responsibilities

• Kernel Development & Community Contribution: Lead advanced kernel development projects and maintain active contributions to the Linux community, with a focus on optimizing network drivers and enhancing system performance.
• Performance Testing & Optimization: Create and maintain dedicated environments and labs to rigorously test and optimize system performance; analyze results and implement improvements that increase system speed, resilience, and scalability.
• Network Driver Development: Develop and refine custom network drivers tailored to the high-demand needs of our digital privacy and performance solutions.
  
  

Educational Background

• Degree in Computer Science, Computer Engineering, or a related field is required.
  
  

Professional Experience

• Minimum of 7 years in Linux infrastructure and kernel development, with documented contributions to kernel repositories.
• Extensive experience in network driver development, performance testing frameworks, and significant contributions to the Linux kernel community.
  
  

Technical Skills

• Mastery in programming, Linux kernel architecture, and network protocol optimization.
• Advanced capabilities in performance tuning and development of testing frameworks.
  
  

Benefits

Health and happiness go hand in hand, and we make every effort to support our team members in all facets of their lives—both inside and outside the office. Learn more about our employee benefits by visiting our careers page.

Before you apply

• At the moment, we do not sponsor visas in the EU. For Hong Kong, we require at least two years of working experience and a university degree in a related field. For Singapore and the UK, we can only sponsor visas for mid-career or above.
• Please upload your resume as a PDF and do not include any salary or compensation information in it.
  
  

ExpressVPN is one of the world’s leading providers of online privacy and security services for consumers. Started in 2009, we’ve grown to have millions of active paying customers, a team of more than 700 people worldwide, and a brand recognized by hundreds of millions of people in 18 languages and more than a hundred countries. We see huge growth in our industry, and are gaining market share through strong execution.

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