Senior Hardware Engineer

Nix; Boston (MA); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Flexible working format

Competitive salary

Career growth

Education reimbursement

Team events

Job summary

N-iX is seeking a Senior Hardware Engineer (Analog/Digital) to join a long-term project for a leading European tech company. You will develop a compact, multi-board device for audio communication, combining analog and digital circuits with power electronics, focusing on signal integrity and EMC/ESD protection.

The role covers full hardware lifecycle from architecture and schematic design to PCB layout, prototyping, validation, and cross-functional collaboration with engineering teams.

Qualifications

• 5+ years of hardware development experience.
• Low-noise analog audio design experience.
• Multilayer PCB design experience.
• English: Upper-Intermediate or higher.

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 Altium libraries.
• Ensure signal integrity, low-noise performance, and EMC/ESD robustness.
• Collaborate with customer's hardware, firmware, and mechanical engineering teams.
• Work with 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 activities.

Skills

Hardware design

Analog design

Digital design

Signal integrity

EMC/ESD

Tools

Altium Designer

Job description

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