Demo

Principal Hardware Engineer

Haystack
Concord, NH Full Time
POSTED ON 8/23/2026
AVAILABLE BEFORE 9/20/2026
We're hiring on behalf of a Haystack partner!

The Role

  • Lead the design and development of 3U and 6U VPX SBC, FPGA, switch, and I/O cards.
  • Design custom form-factor systems with software, firmware, and hardware security elements.
  • Collaborate with cross-functional teams to meet demanding customer requirements.
  • Provide technical leadership, introduce best practices, and improve product performance.
  • Support business development and program managers in translating requirements into designs.
  • Direct and conduct tests for new or modified equipment, systems, or processes.

What You'll Need

  • Bachelor's degree in Electrical Engineering (Master's preferred).
  • Minimum 15 years of experience in DoD embedded systems and hardware design (SBC, FPGA, switch, I/O cards).
  • Extensive experience designing mixed-signal, high-speed digital, analog, and low-power circuits.
  • Proficient in designing high-density interconnect (HDI) PCBs with 26 layers.
  • Hands-on experience with Siemens Expedition DX Designer (SCH) and Siemens Expedition PCB tools.
  • US Citizenship required; active DoD security clearance preferred.

What's On Offer

  • Paid Time Off and 401K with Employer Match and Profit Sharing.
  • Health and Wellness Benefits, Learning and Development Opportunities.
  • Competitive Pay, Referral Program, and Employee Stock Purchase Plan.
  • Inclusive and Supportive Culture.

Apply via Haystack today!

Salary : $144,100 - $190,000

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