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Lead Hardware Engineer

Ajax Systems· Device Division – Device HW Department
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Hybrid (Ho Chi Minh / Hanoi)Full-timePosted 2mo ago

About the role

Ajax Systems is expanding and looking for a Hardware Engineer to strengthen our team in Vietnam. The role involves leading hardware architecture and design, cross-functional collaboration, and overseeing mass production for Ajax devices, acting as a technical cornerstone for R&D 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.

Qualifications

  • 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.

Skills

Required:Circuit designAltium DesignerDfX (DFM/DFT)Power managementDocumentation & BOMEnglish communication

Benefits

  • (Not specified in provided description)
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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