Senior Hardware Engineer

N-iX is looking for a Senior Hardware Engineer (Analog/Digital) to join a long-term project for a leading European technology company specializing in professional communication and conference systems. In this role, you will contribute to the development of a compact, multi-board electronic device for audio communication, combining sensitive analog audio circuits, digital components, and power electronics. The product includes interconnected four-layer PCBs and requires a strong focus on signal integrity, noise reduction, EMC/ESD protection, and mechanical integration. You will be involved in the full hardware development lifecycle, from architecture and schematic design to PCB layout, prototyping, manufacturing support, validation, and collaboration with cross-functional engineering teams. Responsibilities Develop hardware architecture, schematics, and multilayer PCB layouts Design and optimize analog audio, digital, and power circuits Select electronic components and maintain designs using customer Altium libraries Ensure signal integrity, low-noise performance, and EMC/ESD robustness Collaborate closely with the customer's hardware, firmware, and mechanical engineering teams Work together with the N-iX firmware team on hardware-software integration Support PCB manufacturing, prototype bring-up, debugging, testing, and validation Prepare technical documentation and contribute to compliance-related activities Requirements 5+ years of experience in hardware development Strong expertise in analog circuit design, preferably for low-noise audio applications Advanced proficiency in Altium Designer Hands-on experience with mixed-signal and multilayer PCB design Strong knowledge of EMC, EMI, ESD protection, grounding, filtering, and signal integrity Experience with hardware prototyping, testing, debugging, and validation Ability to drive technical decisions independently and collaborate within multidisciplinary engineering teams Upper-Intermediate or higher level of English Nice to Have Experience with professional audio equipment or microphone systems Knowledge of audio measurements, including SNR, THD+N, and crosstalk Experience with EMC compliance testing and CE certification activities Familiarity with STEP models, thermal analysis, and DFM/DFA principles We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers