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THE ROLE

You will own complex, high-speed board design in the phased-array signal chain - and see your designs through the lab. The team runs design and validation in parallel: while one board revision is being validated at the bench, the next is in design. You'll design boards (schematic capture, component selection, layout ownership), personally bring up newly fabricated hardware, debug to root cause, and feed findings into the next revision. This is a design-first seat with real lab ownership - not a test role, and not a documentation role.

WHAT YOU'LL DO

Design high-complexity, high-speed digital boards: schematic capture, component selection, and layout ownership on 20+ layer, thousands-of-components designs built around custom silicon. Architect power delivery for boards carrying hundreds of high-performance chips - rail generation, sequencing, budgeting, and protection. Design and validate multi-gigabit interfaces (SerDes-class links, JESD204, PCIe, DDR) with disciplined signal- and power-integrity practice. Bring up newly fabricated boards in the lab: first power-on, section-by-section checkout, root-cause debug with oscilloscopes and high-speed instrumentation. Run validation campaigns proving designs meet requirements, and feed every finding into the next board revision. Select components with reliability, thermal, vibration, and radiation considerations in partnership with specialist review teams.

REQUIRED EXPERIENCE

8+ years of board-level design ownership - complex boards you can point to and say "mine": schematic, component selection, and layout. High-speed digital design: SerDes, JESD204, PCIe, and/or DDR, with hands-on signal-integrity practice (controlled impedance, length matching, stackup design). Power-architecture design for dense, high-power boards. Genuine lab fluency: you bring up and debug your own designs at the bench - scopes, analyzers, and methodical root-cause work. U.S. citizenship or permanent residency (export-controlled program - required).

NICE TO HAVE

Space, aerospace, or defense high-reliability experience - DO-254/DO-160, MIL-STD, derating, worst-case analysis, radiation-aware design. Experience with Siemens Xpedition (Altium or Cadence Allegro equally welcome). Phased-array, radar, satellite, or other RF-system board experience (the boards, not the antennas). Experience working design/validation in parallel across board revisions.

GCS is acting as an Employment Business in relation to this vacancy.

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Senior Hardware Design Engineer - PCB Board Satellite Payload - Design & Lab

Location: Bellevue, WA
Contract: 12+ months, extendable; C2H opportunity
Work Arrangement: 5 days onsite

About the Role

We are seeking a Senior PCB Hardware Design Engineer / Senior Hardware Development Engineer to support the development of advanced satellite payload hardware. This is a hands-on role focused heavily on board bring-up, hardware debug, design verification, validation, and supporting the transition of validated designs into subsequent hardware revisions.

The ideal candidate will have strong board-level design experience combined with extensive laboratory expertise and the ability to troubleshoot complex hardware issues from initial power-on through root-cause identification and resolution.

ResponsibilitiesLead bring-up of newly fabricated circuit boards, including power-on, section-by-section checkout, and first-time hardware debug through root cause.Plan and execute design verification and validation campaigns, including high-speed link testing, power measurements, functional testing, and detailed documentation of results.Partner closely with hardware design engineers to identify issues and drive corrective actions into subsequent board revisions.Contribute to schematic capture and PCB layout activities for next-generation hardware as project priorities and bandwidth allow.Support RF and antenna engineering teams with validated hardware and assist with their measurement and characterization requirements.Troubleshoot board-level hardware issues using systematic debug methodologies and laboratory instrumentation.Support the complete hardware development lifecycle from design and fabrication through bring-up, validation, and manufacturing support.Required Qualifications8+ years of electrical engineering experience in board-level hardware design.Strong experience with schematic capture and complex, dense multilayer PCB designs.Solid understanding of power delivery, power distribution, and sequencing.Extensive hands-on laboratory experience with board bring-up, hardware debug, and validation.Proficiency with oscilloscopes, logic/protocol analyzers, and high-speed test and measurement equipment.Experience with high-speed digital interfaces and multi-gigabit SerDes technologies such as JESD204, PCIe, 25G+ Ethernet, DDR, or similar.Strong understanding of signal integrity and power integrity considerations.Demonstrated experience across the full hardware lifecycle: design → build → bring-up → validation → manufacturing support.BSEE, MSEE, or equivalent practical engineering experience.

GCS is acting as an Employment Business in relation to this vacancy.

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