Celestica

The Signal Integrity Engineer will play a critical role as the subject matter expert in the planning of digital PCB designs, simulation, lab verification, and troubleshooting signal integrity issues on completed designs.. This includes both signal integrity within a PCB and off the board (board to board connectors, ribbon cables, coaxial cable, etc. PCB design fundamentals (single ended and differential signals). + Simulation of analog paths through a combination of PCB, connector, and cable (signal driver to DUT). + Proficient with 2D and 3D simulation tools (examples include ADS, ANSYS HFSS, Sigrity)

design engineering

Req ID: 120983 Region: Americas Country: USA State/Province: New Hampshire City: Remote Employee US **Summary** Celestica Engineering is seeking a highly motivated and self-driven candidate qualified for the position of Senior Signal Integrity Engineer to help design and build market leading Hardware Platform Solutions. The Signal Integrity Engineer will play a critical role as the subject matter expert in the planning of digital PCB designs, simulation, lab verification, and troubleshooting signal integrity issues on completed designs. They will also be expected to help with design review of critical PCBs for signal integrity concerns. Good communications skills and ability to work with physically dispersed teams is a strong requirement **Skills & Experience Requirements** + 15+ years experience with High Speed Signal Delivery Design and Evaluation. This includes both signal integrity within a PCB and off the board (board to board connectors, ribbon cables, coaxial cable, etc.). + PCB design fundamentals (single ended and differential signals) + Signal loss Impedance control Crosstalk (near end and far end) + Experienced with single-ended and differential signaling up to 50Gbps + Experienced working with component models (touchstone files) and cascading models to generate complete system models for simulation + Simulation of digital interfaces (FPGA to DRAM, SERDES interfaces) + Simulation of analog paths through a combination of PCB, connector, and cable (signal driver to DUT) + Proficient with 2D and 3D simulation tools (examples include ADS, ANSYS HFSS, Sigrity) + Electrical length calculations for signal matching + Familiar with looking at signals in both frequency (S-parameter) and time domain and understand how to interpret results when it comes to suitability for a particular application. + Very familiar with generating and interpreting data-eye diagrams up to 50Gbps: NRZ and PAM4 + Proficient with Allegro or similar layout tool and schematics + PCB Stack up design and familiar with fabrication limitations and cost trade-offs + High Frequency board material experience + Significant experience with measuring signal performance in the lab: TDR measurements and VNA measurements + Able to develop test fixtures for making measurements (both custom design test boards as well as making ad hoc probing solutions to troubleshoot existing PCBs) + Expert in cost vs performance tradeoffs when designing signal paths as cost is key design constraint + Experience with flex circuit design for high speed signaling Education **Typical Education** + Bachelors degree in Electrical Engineering, Masters is preferred + Educational Requirements may vary by Geography **Notes** This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Occasional overnight travel is required All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Celesticas policy on equal employment opportunity prohibits discrimination based on race, color, creed, religion, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status, or other characteristics protected by law. This policy applies to hiring, promotion, discharge, pay, fringe benefits, job training, classification, referral and other aspects of employment and also states that retaliation against a person who files a charge of discrimination, participates in a discrimination proceeding, or otherwise opposes an unlawful employment practice will not be tolerated. All information will be kept confidential according to EEO guidelines. **COMPANY OVERVIEW:** Celestica (NYSE, TSX: CLS) enables the worlds best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers. Celestica would like to thank all applicants, however, only qualified applicants will be contacted. Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services. #J-18808-Ljbffr

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