Hybrid Hardware Engineer

at Ajax Systems

• Job title: Hardware Engineer
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Assembly
• Location requirements: Hybrid, Hsinchu, Taiwan

About the role

• Senior Hardware Engineer designing circuits for Ajax Systems, largest security systems manufacturer in Europe. Leading hardware projects and guiding cross-department optimizations in Taiwan.

Responsibilities

• Architecture & Design: Develop sophisticated schematic solutions and PCB layouts for new Ajax devices, ensuring high reliability and scalability.
• Strategic Optimization: Proactively identify opportunities for cost reduction and performance enhancement through component unification and innovative architectural shifts.
• Project Oversight: Lead complex hardware projects from initial concept through to mass production (10,000+ units/month), ensuring all technical risks are mitigated.
• Cross-Functional Consultation: Act as a subject matter expert for the firmware and supply chain teams to optimize the hardware-software interface and manufacturing yield.
• Prototype Lifecycle: Lead the “bring-up” process, debugging complex issues and defining rigorous testing protocols for design validation.

Requirements

• Advanced Circuit Design: Expert-level calculation of circuit elements and high-fidelity simulations of device behavior.
• EDA Mastery: Professional proficiency in Altium Designer (experience with managed libraries and 3D modeling is preferred).
• Design for Excellence (DfX): Proven track record of designing for LVD/EMC compliance and mass manufacturing (DFM/DFT).
• Power Management: Deep expertise in designing both battery-powered and mains-powered (85–265 VAC) devices.
• Full Lifecycle Ownership: Experience preparing comprehensive production documentation (BOM management, Gerber files, assembly drawings) using Git for version control.
• Communication: Fluent English is required for technical documentation and international collaboration.
• Supply Chain Leadership: Direct experience working with vendors and manufacturers for high-volume production.
• High-Speed Design: Advanced understanding of Signal Integrity (SI) and Power Integrity (PI). Experience with S-parameters, PDN impedance modeling, and TDR measurements.
• System-Level Thinking: Ability to write or review embedded software (C/C++, STM32) to facilitate deep-level debugging and hardware-software co-design.
• Regulatory Mentorship: Experience guiding products through global certifications (UL, CE, RED), beyond basic compliance.