Sr. Signal Integrity Engineer Senior Signal Integrity Engineer PCB Systems & Test Boards

Senior Signal Integrity Engineer -

PCB Systems & Test Boards Location:

Nashua, NH Position Summary The Senior Signal Integrity Engineer will be responsible for owning, developing, and supporting signal integrity (SI) test boards and customer-facing SI activities for high-speed interconnect and cable products. This role serves as a key technical interface between customers, internal SI teams, PCB vendors, and product engineering, ensuring SI solutions meet both performance and schedule requirements. Key Responsibilities SI Test Board Ownership & Lifecycle Management Own assigned SI test boards and PCB assets, including revision control, availability, and usage guidance. Maintain and update SI board inventory tracking and documentation. Coordinate PCB reorders, Gerber updates, and PO support with internal teams and external vendors. Support urgent build prioritization and resolve schedule or supply constraints. Customer-Facing SI Support Act as a primary SI technical contact for strategic customers. Support customer requests related to padstack optimization, footprint review, and stackup alignment. Participate in customer meetings to present SI progress and explain technical tradeoffs. SI Analysis, Measurement & Reporting Perform and support SI measurements, including VNA, TDR, and S-parameters. Generate customer-ready technical reports and presentations. Review customer PCB layouts and CAD files for SI compliance. Cross-Functional Collaboration

• Work with global SI, layout, product, and manufacturing teams.
• Interface with PCB fabrication vendors to resolve technical issues. Required Qualifications
• Ph.D. or M.S. in Electrical Engineering or related field (or equivalent experience).
• Strong background in high-speed signal integrity for connectors, cables, and PCBs.
• Hands-on experience with SI measurements (VNA, TDR, S-parameters).
• Experience reviewing PCB layouts, padstacks, vias, and stackups.
• Strong customer-facing communication skills. Preferred Qualifications
• Experience supporting SI test boards for hyperscale or networking customers.
• Familiarity with Allegro or similar PCB design tools.
• Experience working across global engineering and manufacturing teams.

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