Senior Linux Test Engineer

Hi! This is the Flipper team.

We are the creators of Flipper Zero - a portable device for tech enthusiasts and engineers. It's a gadget with an awesome community that brings together millions of people around the world.

We're building a new product - Flipper One. It's a full-featured ARM-based computer running Linux in a compact form factor, powered by the Rockchip RK3576 SoC.

We're looking for a Linux Test Engineer to ensure the quality of Flipper One by combining automated and hands-on hardware testing. You'll work closely with the firmware team to build reliable test automation while validating the product on real devices in our London office.

Responsibilities

• Validate firmware and software functionality on real hardware, identifying defects and ensuring reliable product behavior

• Investigate Linux system behavior, collect logs, analyze failures, and help engineers reproduce and resolve issues

• Design, develop, and maintain test suites for Flipper One using Python-based testing frameworks

Requirements

• Deep practical experience with Linux: shell, systemd/services, logs, permissions, networking, processes, cron, SSH, package managers

• Ability to write Bash scripts and use standard Linux tools: grep, awk, sed, curl, journalctl, netstat/ss, top/htop, ps, lsof, tcpdump or similar

• Understanding of networking stack at TCP/IP level: Ethernet, IP, TCP/UDP, routing, sockets, ports, DNS, DHCP, ARP, MTU, packet loss, retransmissions, latency, timeouts, and connection states

• Ability to work from our London office, especially during the initial stage of the project

Nice-to-haves

• Experience with IoT, embedded, networking, telecom, infrastructure, cloud, or device-related systems

• Experience with tools such as ModemManager, NetworkManager, mmcli, nmcli, QMI/MBIM, or AT commands

What we offer

• Workplace in our own stand-alone office located in Design District, London, near North Greenwich Station (Jubilee line).

• You will be provided with all the necessary equipment for a comfortable working environment.

• Benefits such as VHI, corporate sports, foreign language courses, and therapy sessions.

• A five-day workweek with a flexible start of the working day.