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Principal Mixed‑Signal Hardware Engineer (Scientific Instruments)
Principal Mixed‑Signal Hardware Engineer (Scientific Instruments)LECO Corporation • Portage, MI, US
Principal Mixed‑Signal Hardware Engineer (Scientific Instruments)

Principal Mixed‑Signal Hardware Engineer (Scientific Instruments)

LECO Corporation • Portage, MI, US
22 hours ago
Job type
  • Full-time
Job description

Job Description

Job Description

Principal Mixed‑Signal Hardware Engineer (Scientific Instruments)

Join LECO in St. Joseph, Michigan—an 80+ year, family‑owned innovator in world‑class laboratory instrumentation. We value long‑term stability, loyalty, trust, and shared purpose, and our products support scientists around the globe.

Schedule : Monday–Friday, 8 : 00 a.m.–5 : 00 p.m., on‑site

A day in the life

You’ll start your morning reviewing your engineering notebook and latest test data from a precision measurement board. By midday, you’re collaborating with mechanical and software peers to refine a subsystem architecture for a next‑generation instrument. In the afternoon, you’ll implement design updates, run bench evaluations, and capture findings for design reviews—operating with a high degree of technical independence throughout.

Role overview

As a senior engineer, you will own the design of advanced electrical components and sub‑assemblies with minimal oversight. You will report to the Manager, Electronics Research & Engineering, or the Manager, RF Products.

What you’ll own

  • End‑to‑end design of electrical components and sub‑assemblies, from concept through release
  • Researching, building, and testing prototypes to validate performance
  • Diagnosing and resolving production issues in partnership with manufacturing
  • Authoring and maintaining design artifacts (schematics, BOMs, specifications) and keeping a logbook
  • Preparing documentation packages for formal design reviews
  • Contributing within cross‑disciplinary teams while accounting for system‑level tradeoffs
  • Investigating emerging technologies to drive product innovation
  • Leading specialty electrical design efforts independently

What you bring

  • Depth across a broad spectrum of electrical engineering topics, including :
  • Mixed‑signal design (ADC / DAC) for precision measurement systems

  • Microcontroller‑based hardware design
  • Analog circuit design
  • Closed‑loop temperature control
  • AC power design (single‑phase and three‑phase)
  • High‑voltage design (≥1 kV, typically low power)
  • Motor control
  • Human‑machine interface (HMI) design
  • System‑level architecture
  • PCB / PWB design and PWA practices
  • Wire harness design
  • Clear written and verbal communication with strong documentation discipline
  • Effective collaboration and facilitation skills; sensitivity to multi‑disciplinary stakeholder needs
  • Awareness of design impacts across the broader team and product lifecycle
  • Education & experience

  • Master’s degree, or Bachelor’s degree with substantial related experience
  • 7+ years of relevant, hands‑on electrical engineering experience
  • Reporting

    This role reports to the Manager, Electronics Research & Engineering, or the Manager, RF Products.

    EOE M / F / Vet / Disability

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    Instrument Engineer • Portage, MI, US

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