EMIR Engineer

1 hour ago

Bengaluru Karnataka India, Karnataka LeadSoc Technologies Pvt Ltd Full time

Job Description: EMIR Engineer (Electromigration & IR Drop) – VLSI


Role Overview

The EMIR Engineer is responsible for analyzing and ensuring the reliability of integrated circuits by performing Electromigration (EM), IR Drop, and Power Integrity analysis during physical design and sign-off stages. The role involves working closely with physical design, power, and timing teams to validate power delivery networks, identify reliability risks, and propose design optimizations to meet sign-off requirements.


Key Responsibilities

  • Perform EM/IR (Electromigration & IR Drop) analysis at various design stages (pre-route, post-route, ECO, sign-off).
  • Execute static and dynamic IR drop analysis using industry-standard EDA tools (e.g., Ansys RedHawk, Voltus, Totem).
  • Analyze power grid strength, identify weak areas, and recommend fixes such as metal width adjustments, via insertion, and power grid re-design.
  • Collaborate with Physical Design (PD) teams to implement optimizations related to routing, floorplanning, and power grid design.
  • Maintain Power Integrity (PI) throughout the design by validating current density, thermal profiles, and voltage drop.
  • Work with circuit design teams to understand current consumption patterns and switching activity.
  • Generate EMIR sign-off reports and document findings with actionable recommendations.
  • Run vector-based and vectorless power analysis using SAIF/VCD/FSDB activity files.
  • Support timing closure and ECO cycles with EM/IR-driven design constraints.
  • Ensure compliance with foundry guidelines, design rules, and reliability standards (TSMC, Samsung, Intel, etc.).
  • Investigate failures, perform root-cause analysis, and drive corrective actions across teams.


Required Skills & Qualifications

  • Bachelor’s or Master’s degree in Electrical Engineering, Electronics, VLSI, or related fields.
  • Strong knowledge of VLSI physical design, power delivery network concepts, and sign-off methodologies.
  • Hands-on experience with EMIR tools such as:
  • Ansys RedHawk / RedHawk-SC
  • Cadence Voltus
  • Synopsys PrimePower / PrimeRail
  • Understanding of:
  • Power grid design and floorplanning
  • Current density & electromigration physics
  • IR drop mechanisms (static & dynamic)
  • Clock and power gating concepts
  • Advanced-node challenges (FinFET, GAAFET)
  • Familiarity with scripting languages like TCL, Python, Perl for automation.
  • Strong problem-solving and debugging skills.
  • Good communication and cross-team collaboration abilities.


Preferred Qualifications

  • Experience range between 3 to 8 years.
  • Experience with advanced process nodes (5nm/3nm/2nm).
  • Knowledge of multi-domain power architectures (UPF/CPF).
  • Exposure to timing sign-off (PrimeTime) and physical verification flows (DRC/LVS).
  • Prior involvement in full-chip EMIR sign-off on production tape-outs.


Job Titles This Role May Align With

  • EM / IR Drop Engineer
  • Power Integrity Engineer
  • Sign-off Engineer – EMIR
  • VLSI Reliability Engineer
  • Physical Sign-off Engineer

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