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Senior/Lead Hardware Engineer

Ajax Systems
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Hybrid (Shenzhen), Hybrid (Dongguan), Hybrid (Guangzhou), Hybrid (Foshan)full-timePosted 6mo ago

About the role

Senior/Lead Hardware Engineer at Ajax Systems to lead architecture and design of hardware for mass-produced devices, bridging concepts to manufacturing and mentoring R&D in China.

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.

Qualifications

  • Advanced Circuit Design: Expert-level calculation of circuit elements and high-fidelity simulations of device behavior.
  • EDA Mastery: Proficiency in Altium Designer (experience with managed libraries and 3D modeling 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 required for technical documentation and international collaboration.

Skills

Required:Advanced circuit designAltium DesignerDfX (DFM/DFT) for LVD/EMCPower managementDocumentation & BOMEnglish communication
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About Ajax Systems

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Ajax alarm system includes everything you need to protect your property | Professional home security system that combines CCTV, fire alarm and automation

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