{"id":3466324,"url":"https://alion.io/job/uniotech-pcb-engineer-sensor-systems","title":"PCB Engineer (Sensor Systems)","company":{"id":4486797,"name":"UnioTech","domain":"uniotech.org","url":"https://alion.io/company/uniotech","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Khmelnytskyi, Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":15000,"max_usd":43000,"period":"year","method":null,"sample_n":21788},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Altium Designer","optional":false},{"name":"KiCad","optional":false},{"name":"Wi-Fi","optional":false}],"status":"live","first_seen_at":"2026-10-13T16:40:02Z","employer_posted_date":null,"last_verified_at":"2026-10-13T16:40:02Z","board_verified":false,"closed_at":null,"days_open":21,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":21},"description":"UnioTech is a contract engineering company delivering hardware and embedded systems for clients across Europe. We are looking for a Hardware Development Engineer whose primary focus is the design of PCBs and hardware for a wide range of sensor systems — microcontroller- and single-board-computer-based platforms integrating diverse sensors and low-power wireless communication. Strong experience in high-power power electronics (isolated DC/DC converters) is highly valued: this person will also be expected to contribute to, and ideally lead, power-stage design work.\n\nResponsibilities:\n\nSensor system hardware (primary focus)\n\nDesign, develop, and test hardware for sensor systems built around microcontrollers (MCU + sensors) and single-board computers (SBC + sensors).\n\nTranslate system requirements into modular and scalable schematics, PCB layouts, and Bill-of-Material (BoM) selection.\n\nDesign mixed-signal PCBs interfacing to a broad range of sensors, including analog front-ends and digital buses (I2C, SPI, UART, 1-Wire, CAN, RS-485).\n\nSpecify signal-conditioning and data-acquisition chains: amplification, filtering, ADC/DAC selection, voltage references, and noise management.\n\nIntegrate low-power radio communication into sensor nodes — typical transmit power up to ~10 W, operating frequencies up to 5 GHz (e.g., sub-GHz ISM, BLE / 2.4 GHz, Wi-Fi, LoRa). This includes RF front-end, impedance matching, and antenna integration and placement.\n\nDesign power-supply and power-management sub-systems for sensor nodes (LDOs, switching regulators, battery / charge management, low-power and sleep-mode design).\n\nEnsure signal integrity, EMC/EMI robustness, sound grounding, and predictable thermal behavior across the layout.\n\nPerform prototype bring-up, hardware debugging, testing, and laboratory validation across the specified environmental operating range (e.g., −20 °C to +70 °C).\n\nRequired Qualifications & Hard Skills\n\n3+ years of professional hardware/PCB design experience: schematic capture and multi-layer PCB layout for mixed-signal systems.\n\nHands-on experience designing MCU-based and SBC-based hardware and interfacing it to sensors over analog and digital interfaces.\n\nExperience integrating low-power RF/wireless links (up to 5 GHz, up to ~10 W): RF-aware layout, controlled impedance (50 Ω), matching networks, and antenna integration.\n\nStrong grasp of mixed-signal PCB layout: minimizing noise coupling, grounding strategy, power distribution, and EMC/EMI mitigation.\n\nExperience bringing up and debugging prototype hardware with standard lab equipment (oscilloscope, multimeter, spectrum analyzer, VNA, etc.).\n\nFamiliarity with EMC and electrical-safety considerations and pre-compliance testing.\n\nProficiency with a professional EDA toolchain (e.g., Altium Designer, KiCad, or equivalent).\n\nWorking proficiency in English (client-facing role).\n\nWe offer:\n\nOpportunity to work in an office in Khmelnitsky or ability to work remotely (only in Ukraine);\n\nCompetitive remuneration;\n\nConstant professional growth and development;\n\nProvision of equipment as needed;\n\nA dynamic and supportive work environment, with access to cutting-edge tools and resources;\n\nThe ability to work with the latest modern tools and technologies on different projects;\n\n8-hour working day with flexible schedule;\n\nThe company pays taxes, provides accounting and legal support;\n\nOpportunity to attend courses (English lessons or other related to professional activities)","description_format":"text","description_chars":3475,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule"],"hiring_locations":[{"name":"Ukraine","iso":"UA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-29T15:24:45Z"}],"visa":[],"liveness":{"score":51,"band":"ok","label":"Likely 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