Senior Embedded Engineer (Wireless)
At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity.
Join forces with us on our mission to build a better IT industry. We are currently looking for a highly skilled Senior Embedded Engineer (Wireless) to our team in Stockholm, Sweden.
Responsibilities
- Work as part of the global team of firmware, digital hardware and RF hardware engineers
- Develop cutting edge wireless broadband products and technologies
- Build firmware for new Wi-Fi 6/6E/7 (802.11ax/be) access points and routers
- Work with Qualcomm and MediaTek vendors to report bugs, perform investigations and apply patches to our WiFi driver as needed
- Develop and maintain user-space services and libraries (hostapd, wpa_supplicant integration, management daemons)
- Maintain and improve existing product firmware (stability, performance, security)
- Optimize wireless performance: roaming (802.11k/v/r), mesh/EasyMesh, airtime fairness, OFDMA/MU-MIMO, DFS/ACS, QoS/WMM
- Diagnose complex field issues using logs, packet captures, and on-device tracing/profiling
Requirements
- 5+ years embedded firmware development experience with C / C++, Linux / Unix platform
- Strong networking fundamentals: TCP/UDP, routing (static/dynamic), traffic control (tc)
- Experience with Wi-Fi stack concepts (802.11 a/b/g/n/ac/ax/be), WPA2/WPA3 security, EAP/SAE
- Experience with ARM/MIPS processors, embedded Linux, Linux device driver development
- Comfortable with Git and typical embedded build systems (OpenWrt/Yocto/Buildroot, cross-compilation, toolchains)
- Ability to work productively and autonomously, whether on a small team or solo
- Excellent analytical and problem-solving skills
- BS degree in computer Science, or related engineering degree
- Highly proficient in English (written and spoken)
Nice to have
- Hands-on with hostapd/wpa_supplicant customization and control interfaces
- Experience with chipset SDKs (Qualcomm Atheros, MediaTek) and board bring-up
- Experience working with cross compilers
- Basic understanding of electronic circuits
Benefits
- International work environment
- Competitive compensation package including wellness allowance, occupational pension, medical insurance, private health insurance, life insurance and work-injury insurance
- Five weeks of holiday per year
- Flexible work hours and hybrid work model
- Modern office space located in Epicenter (Hötorget)
- Access to all the latest Ubiquiti products and prototypes for home use and tests