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Digital Menu Board (DMB) Engineer at Checkmate. We are looking for a Digital Menu Board (DMB) Engineer to help manage, maintain, and evolve our Linux-based in-store systems. This role combines deep Linux expertise with hands-on experience in packaging, troubleshooting, and device monitoring, while also leveraging web development skills to support interactive and dynamic menu board experiences. . Essential Job Functions . • Design, package, and distribute software for Linux-based Digital Menu Board (DMB) devices. . • Troubleshoot system-level issues (using syslog, journalctl, etc.) to ensure device stability and uptime. . • Manage and optimize graphical systems (X, Wayland) and desktop environments (GNOME,KDE). . • Collaborate with frontend and backend teams to integrate dynamic menu board features. . • Implement and maintain monitoring solutions (Prometheus, Grafana, Datadog, or similar) with custom metrics for device performance and health. . • Contribute to the hardening, security, and update processes for in-store Linux devices.. • Experience Range: 4–8 years of professional experience in Linux systems engineering, device management, or a related field. . • Strong expertise in Linux (Debian/Ubuntu) and package management. . • Hands-on experience creating packages for distribution (e.g., .deb, Snap). . • Familiarity with Linux logging and troubleshooting tools (syslog, journalctl). . • Working knowledge of Linux graphical subsystems (X, Wayland) and desktop environments (GNOME, KDE). . • Some frontend and backend web development experience — ideally with React, Python, or Ruby. . • Experience with monitoring tools (Prometheus, Grafana, Datadog) and building custom metrics. . • Flexibility to work until 5:00 PM ET to ensure alignment with cross-time-zone teams. . • Comfortable with a permanent work-from-home (WFH) arrangement. . • Ok with BYOD (Bring Your Own Device) setup, ensuring a secure and reliable working environment. . Preferred Qualifications . • Experience building production Linux images for distributed devices. . • Knowledge of device hardening, security, and OTA update processes. . • Prior work in retail technology, digital signage, or in-store device ecosystems.. Company Location: India.