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Astrome

Senior Signal Integrity / Power Integrity Engineer

Reposted 2 Hours Ago
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In-Office
Bengaluru, Bengaluru Urban, Karnataka, IND
Senior level
In-Office
Bengaluru, Bengaluru Urban, Karnataka, IND
Senior level
Lead SI/PI analysis for high-speed PCBs: perform SIwave and HFSS simulations, PDN DC/AC analysis, optimize decoupling, define PCB stack-ups and routing guidelines, and correlate simulation with lab measurements.
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As a Senior SI/PI Engineer, you will be the ensuring the high-speed performance and reliability of our next-generation hardware. You will lead the analysis of complex PCB stack-ups, high-speed SerDes interfaces (PCIe Gen 5/6, DDR4/5, Ethernet), and power distribution networks (PDN). Your mission is to bridge the gap between theoretical EM physics and physical hardware manufacturing.

Key Responsibilities

● Use Ansys SIwave to perform automated SYZ-parameter extraction for complex, high-density interconnects (HDI).

● Conduct DC IR-drop analysis, AC impedance profiling of PDNs, and decoupling capacitor optimization to meet target impedance goals.

● Define PCB layer counts, dielectric materials and trace geometries to manage impedance and minimize insertion/return loss.

● Use SIwave’s near-field and far-field solvers to identify resonance issues and radiation "hotspots" on the PCB before lab testing.

● Translate simulation findings into actionable routing guidelines (width, spacing, length matching, voiding) for the Layout team.


Requirements

Technical Requirements

  • Looking for 6–7 years of experience
  • Education: MS or PhD in Electrical Engineering or Electromagnetics (preferred).
  • Tool Proficiency: Ansys SIwave: Expert level (Crosstalk, PDN, Virtual Compliance,Solver selection).

○ Ansys HFSS: Ability to perform 3D component modeling (vias, connectors, BGA breakouts) for high-accuracy SI extraction.

  • High-Speed Standards: Deep understanding of DDR4/5 (Read/Write training, Vref) and SerDes (PCIe Gen 5/6, USB4, or 100G Ethernet) specifications.
  • Laboratory Skills: Hands-on experience with high-bandwidth Oscilloscopes (Real-time/Sampling) and TDR for correlation between simulation and measurement.

Benefits

We offer great career growth, ESOPs, Gratuity, PF and Health Insurance.

Top Skills

100G Ethernet
Ansys Hfss
Ansys Siwave
Ddr4
Ddr5
Hdi Pcb
High-Bandwidth Oscilloscope
Pcie Gen5
Pcie Gen6
Power Distribution Network (Pdn)
Serdes
Time-Domain Reflectometry (Tdr)
Usb4

Astrome Bengaluru, Karnataka, IND Office

3rd Floor, MRK Tower, #69/B, Chord Rd,, 2nd Stage, Basaveshwar Nagar, Bengaluru, KARNATAKA , India, 560086

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