Senior PCB Stackup & Signal Integrity Lead

L3Harris Technologies, Inc.; Herndon (VA); On-site; USD 111,000 - 205,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Flexible spending accounts

Employee Assistance Program (EAP)

Education assistance

Parental leave

Paid time off

Company holidays

Job summary

L3Harris Technologies, Inc. is seeking a Lead, PCB Design – Signal Integrity/Stackup Specialist to own stackup definitions and impedance planning for high-speed, RF, and power PCBs.

You will partner with electrical, mechanical, and manufacturing teams to deliver production-ready designs with tight tolerance and cost objectives. The role requires deep knowledge of controlled impedance, material properties, and fabrication processes, with collaboration across design and fabrication partners to

Qualifications

• Bachelor’s degree with 9+ years of relevant experience; graduate degree with 7+ years; in lieu of degree, 13+ years experience.
• Design rigid, rigid-flex, multilayer PCBs for SI/PI, impedance control, EMI/EMC, thermal, manufacturability.
• Translate SI/PI requirements into practical routing, return-path, reference-plane, grounding guidance.

Responsibilities

• Design and document stackups for high-speed, mixed-signal, RF, and power PCBs.
• Define controlled-impedance structures, materials, copper weights, layer assignments, and vias.
• Collaborate with engineers to derive routing rules and stackup guidance for reliable designs.
• Review layouts and fabrication packages for stackup-related risks and provide corrective guidance.
• Maintain stackup drawings, impedance tables, and material specs with revision history.

Skills

Siemens Xpedition

HyperLynx Z-planner

DDR/PCIe/USB/Ethernet/SerDes/RF

Cadence Allegro

Altium PCB

DFM

DFT

3D mechanical integration

EMC considerations

PLM systems

CID/CID+

Education

Bachelor’s Degree

Graduate Degree

Tools

Siemens Xpedition

Siemens HyperLynx

Cadence Allegro

Altium PCB

Job description

L3Harris Technologies, Inc. is seeking a Lead, PCB Design – Signal Integrity/Stackup Specialist to own stackup definitions and impedance planning for high-speed, RF, and power PCBs.

You will partner with electrical, mechanical, and manufacturing teams to deliver production-ready designs with tight tolerance and cost objectives. The role requires deep knowledge of controlled impedance, material properties, and fabrication processes, with collaboration across design and fabrication partners to