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