Senior Principal Engineer - Signal Integrity

Senior Principal Engineer - Signal IntegrityCelestica Engineering is seeking a highly motivated and self-driven candidate qualified for the position of 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.Define and develop next generation technologies for Networking, server and storage products.

Provides innovative solutions to unusually complex and sensitive problems requiring ingenuity and creativity. Serve as technical consultant and technical leader for their team. Engage with customers and suppliers on product roadmaps and support. Communicates progress toward projects and program goals.

Strong ability to lead, motivate and direct a workgroup. Proficiency in hardware systems environments and detail oriented. Strong organizational skills. Cross-functional capabilities.

Customer focused.Knowledge/Skills/Competencies: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 50GbpsExperienced working with component models (touchstone files) and cascading models to generate complete system models for simulationSimulation 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 matchingFamiliar 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 PAM4Proficient with Allegro or similar layout tool and schematicsPCB Stack up design and familiar with fabrication limitations and cost trade-offsHigh Frequency board material experienceSignificant experience with measuring signal performance in the lab: TDR measurements and VNA measurementsAble 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 constraintExperience with flex circuit design for high speed signalingEducation:Typical Experience 12+ 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.). Typical Education Bachelor's degree in Electrical Engineering, Master's is preferredSalary $200,000- $351,000Celestica is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.