{"id":55498,"url":"https://alion.io/job/ubiquiti-embedded-firmware-engineer-access","title":"Embedded Firmware Engineer (Access)","company":{"id":16273,"name":"Ubiquiti","domain":"ui.com","url":"https://alion.io/company/ubiquiti","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":155,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":137,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Hardware","role_family":"Hardware","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Prague, Czech Republic"],"countries":["CZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":37000,"max_usd":84000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":843},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"RTOS","optional":false},{"name":"TCP/IP","optional":false},{"name":"WebSockets","optional":false},{"name":"ESP-IDF","optional":true},{"name":"Go","optional":true}],"status":"live","first_seen_at":"2026-03-12T12:42:53Z","employer_posted_date":"2026-08-14","last_verified_at":"2026-10-29T12:05:25Z","board_verified":true,"closed_at":null,"days_open":231,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":230},"description":"About Ubiquiti\nAt 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.\nUbiquiti Prague R&D team is looking for experienced Embedded Firmware Engineer (Access).\nCandidates should be prepared to work from our Prague office at least two times per week.\nResponsibilities:\nWork as part of a global, cross-functional team of firmware, hardware, and product engineers to develop cutting-edge access control products and technologies\nDesign, implement, and maintain embedded firmware for current and next-generation access devices (readers, hubs, controllers)\nEnhance and optimize existing firmware for performance, stability, and security\nParticipate in code reviews to ensure adherence to best practices and maintain high code quality standards\nCollaborate closely with BSP, Hardware, Backend, Mobile, and Product Assurance (PA) teams throughout the product development lifecycle\nDiagnose, troubleshoot, and perform root-cause analysis of firmware and system-level issues\nSupport manufacturing and production validation by resolving firmware-related issues and assisting with firmware update pipelines\nRequirement (Must-Haves):\n3+ years embedded firmware development experience with C\nGood knowledge of network protocols (TCP/IP, HTTP, Websocket, TLS/SSL)\nExperience with microcontrollers, SoCs, embedded Linux and RTOS\nExperience with access control systems (e.g., card readers, NFC, mobile unlocking)\nKnowledge of Git version control system\nPreferred Qualifications:\nExperience with Linux application development and OpenWRT/Yocto build systems\nGood understanding of Layer 2 networking and device-to-device communication\nFamiliarity with security best practices for IoT and access control firmware (secure boot, encrypted communication, key management)\nKnowledge of NFC, BLE, cryptographic algorithms, Golang, and MCU architecture is a plus\nProficiency with hardware interfaces and protocols: GPIO, USB, UART, PWM, Flash, SPI, I²C, etc.\nContributions to open-source embedded projects (e.g., OpenWRT, ESP-IDF, Zephyr) are a strong advantage\nBenefits:\nCompetitive salary and 5 weeks of vacation per year\nDiscretionary bonuses based on individual performance\nFlexible working hours, home office\nAccess to all the latest Ubiquiti products and prototypes for home use and tests\nTop floor office with terrace and amazing view of Prague\nKitchen packed with coffee, food, snacks & sodas, meal allowance, etc.\nA collective of developers who want to make the best product. 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