<p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;"><a href="https://calyxinstitute.org/" target="_blank">The Calyx Institute</a> is seeking a skilled and motivated Android BSP Engineer to join the CalyxOS team. This role will focus on maintaining and integrating new devices into our custom operating system, CalyxOS, ensuring long-term support for existing devices and troubleshooting device-specific issues; particularly for those that have reached the end of official vendor or manufacturer support. As part of our mission to provide secure, privacy-focused mobile solutions, you'll play a key role in making sure that devices, both new and old, run smoothly, are regularly updated, and remain part of the CalyxOS ecosystem. This role will report to the CalyxOS Technical Project Manager, and regularly coordinate with other Calyx team members and across other program areas.</span></p><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">Calyx values a diverse range of experiences and are open to candidates who may not meet all listed requirements but have the potential to thrive in this role. </span></p><p><span style="font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;"><strong>Essential Duties and Responsibilities</strong></span></span></p><ul><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Perform regular maintenance and updates on devices already supported by CalyxOS (including Pixels, Fairphone, Motorola, Shift, etc.).</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Update device tree and kernel sources for all CalyxOS supported devices.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Develop and implement device-specific solutions, including handling platform bugs and firmware issues.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Implement CalyxOS support for new devices, including managing the bring-up process, troubleshooting hardware functionality, resolving integration issues, and ensuring compatibility.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Collaborate closely with upstream projects and contributors.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Contribute to team knowledge by documenting new findings, troubleshooting steps, and solutions to common device-specific issues.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Other duties as assigned. </span></span></p></li></ul><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;"><strong>Key Skills and Competencies</strong></span></p><ul><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Strong experience in Android device bring-up, Board Support Packages (BSP), and AOSP-based development.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Familiarity with the Android build system, device trees, bootloaders, recovery, and kernel customization.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Proficiency in Linux systems, embedded development, and command-line tools.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Experience working with Git, Gerrit, and other version control systems.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Ability to diagnose and troubleshoot complex hardware/software integration issues.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Comfortable collaborating with upstream projects and working on long-term support for devices.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Experience with reverse engineering or working around limited vendor documentation is a plus.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Clear communication skills, and ability to document processes, patches, and troubleshooting steps clearly.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Self-directed and able to work in a remote-first, asynchronous, fast-paced, open-source development environment.</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">Relevant experience in embedded systems, Android OS development, or mobile hardware integration strongly preferred.</span></span></p></li></ul><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;"><strong>Preferred Qualifications and Experience</strong></span></p><ul><li style="font-size: 12pt;"><p lang="en"><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">Four-year degree (or equivalent)</span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: Arial, sans-serif; font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;">1-3 </span><span style="font-family: Plus Jakarta Sans;">years professional experience in similar roles</span></span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">Familiarity and/or experience with FOSS and/or the Internet freedom and digital rights ecosystem a plus</span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">Ability to communicate in spoken and written English</span></p></li></ul><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;"><strong>Details & To Apply</strong></span></p><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">This is a full-time, salaried, exempt, remote position, requiring work authorization in the U.S. Calyx operates in the following states: Washington, Virginia, New York or Florida. Preference will be given to candidates residing in the states where Calyx operates, and occasional travel will be required. The salary range is <strong>$80,000-$90,000</strong>, commensurate with experience and qualifications. </span></p><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">Calyx offers health, vision, and dental insurance, HRA and Transportation FSA options, unlimited vacation, and 401k retirement plan options with up to 10% employer matching contribution. Additionally, Calyx operates on a four-day work week. This position is included in a union-represented collective bargaining unit (CWA Local 1101), and specific employment terms and conditions are subject to collective bargaining. </span></p><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">To apply, submit your required application materials via the link to Greenhouse below. No applications submitted via email will be considered. Applications will be reviewed on a rolling basis until the deadline.</span></p><p><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;"><strong>Required materials:</strong></span></p><ul><li style="font-size: 12pt;"><p lang="en"><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">1-page cover letter in PDF format</span></p></li><li style="font-size: 12pt;"><p lang="en"><span style="font-family: 'Plus Jakarta Sans'; font-size: 12pt;">1-2 page resumé in PDF format</span></p></li></ul><p><span style="font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;"><strong>Application Deadline</strong></span><span style="font-family: Plus Jakarta Sans;">: 5PM EST on Monday, December 1, 2025</span></span></p><p><span style="font-size: 12pt;"><span style="font-family: Plus Jakarta Sans;"><strong>Start Date</strong></span><span style="font-family: Plus Jakarta Sans;">: on or around February 1, 2026 </span></span></p><p> </p>