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Principal, Design Engineering - Signal Integrity
Company: Celestica
Location: Merrimack, TX
Employment Type: Full Time
Date Posted: 01/06/2026
Job Categories: Engineering, Healthcare, Practitioner and Technician, Human Resources, Information Technology, Manufacturing and Production, Military, Aviation/Aeronautics, Broadcasting/Communications, Research & Development, Medical, Energy / Utilities
Job Description
Principal, Design Engineering - Signal Integrity
Req ID: 130433
Region: Americas
Country: USA
State/Province: Texas
City: Austin

Summary

Celestica 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

Detailed Description

  • 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 and 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 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 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

Bachelors degree in Electrical Engineering, Masters is preferred

Salary

$171,000 - $268,000 USD/yearThe salary range described in this posting is an estimate by the Company, and may change based on several factors, including by not limited to a change in the duties covered by the job posting, or the credentials, experience or geographic jurisdiction of the successful candidate.

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. Job duties and the % of time identified for any function are subject to change at any time.
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.
Contact Information
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