{"id":3104344,"url":"https://alion.io/job/sigma-software-group-senior-embedded-software-developer-networking-security-2","title":"Senior Embedded Software Developer (Networking, Security)","company":{"id":6266,"name":"Sigma Software Group","domain":"sigma.software","url":"https://alion.io/company/sigma-software-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lviv, Ukraine"],"countries":["UA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":30000,"max_usd":69000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1777},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Docker","optional":false},{"name":"FreeRTOS","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"GitLab CI","optional":false},{"name":"Linux","optional":false},{"name":"MQTT","optional":false},{"name":"PKI","optional":false},{"name":"RTOS","optional":false},{"name":"TCP/IP","optional":false},{"name":"WebSockets","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Zigbee","optional":false}],"status":"live","first_seen_at":"2026-10-22T15:48:29Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-23T20:49:02Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Join our Embedded Development team at Sigma Software and contribute to the development of next-generation connected IoT devices and edge solutions!\nWe are looking for a Senior Embedded Software Developer with strong networking and cybersecurity expertise to design and implement secure, reliable embedded systems with cloud connectivity and remote device management capabilities.\nCUSTOMER\nOur Customer is a global technology company specializing in climate technologies and energy management solutions. The company develops connected products and intelligent control systems for commercial, industrial, and residential environments, helping improve energy efficiency, operational reliability, and sustainability through modern smart infrastructure technologies.\nPROJECT\nThe project focuses on developing secure, connected embedded systems that integrate with cloud platforms, support remote device management, and ensure reliable communication in real-world environments. The solution combines embedded software engineering, networking technologies, and cybersecurity principles to deliver scalable and reliable IoT solutions for modern edge devices.\n Design and implement embedded software components and device functionality for connected IoT systems\nDevelop, optimize, and maintain networking capabilities for cloud-connected embedded devices\nImplement telemetry, monitoring, remote provisioning, and Firmware-Over-the-Air update mechanisms\nIntegrate and troubleshoot communication technologies including Ethernet, Wi-Fi, BLE, LTE, Zigbee, and Thread\nDevelop secure communication mechanisms following embedded cybersecurity best practices\nDesign and maintain bootloaders, firmware update systems, and device lifecycle management functionality\nPerform debugging, troubleshooting, and root-cause analysis on real hardware platforms\nConduct unit, integration, and system-level testing\nCollaborate with architects, hardware engineers, QA specialists, and security experts\nParticipate in technical discussions, estimations, planning sessions, and Customer communication\nPrepare and maintain technical documentation\nEnsure compliance with engineering standards, security requirements, and quality processes\nContribute to continuous improvement of development practices and engineering workflows\n 5+ years of commercial experience in embedded software development using C/C++\nStrong experience with ARM-based microcontrollers such as STM32, NXP, TI, or Silicon Labs\nStrong understanding of embedded systems architecture, RTOS concepts, and hardware-software interaction\nPractical experience with wireless technologies including BLE, Wi-Fi, LTE, Zigbee, or Thread\nSolid networking knowledge including TCP/IP, UDP, DHCP, DNS, IPv4/IPv6, MQTT, HTTP/HTTPS, and WebSockets\nExperience with cloud-connected embedded devices and IoT ecosystems\nExperience implementing OTA/FOTA firmware update mechanisms\nUnderstanding of embedded cybersecurity concepts including secure boot, TLS/SSL, certificate management, authentication, and cryptographic fundamentals\nExperience with communication interfaces such as UART, SPI, I2C, CAN, and Ethernet\nExperience with FreeRTOS, Zephyr, Embedded Linux, or similar platforms\nStrong debugging and troubleshooting skills using J-Link, ST-Link, GDB, or equivalent tools\nExperience with Git-based development workflows\nUpper-Intermediate or higher English level\nWILL BE A PLUS\nExperience with cybersecurity standards and secure development practices for IoT products\nPractical experience with networking stacks such as lwIP\nExperience with secure bootloader development and device provisioning\nKnowledge of PKI, certificate-based authentication, and hardware security modules\nFamiliarity with Docker, GitLab CI/CD, and automated testing frameworks\nExperience with AWS IoT, Azure IoT, or Google Cloud IoT\nBasic hardware design and debugging knowledge\nExperience with secure manufacturing and device onboarding 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