1. Should have worked on the entire PD Flow from netlist to GDS (Floor-planning, Power Planning, Placement & Optimization, CTS, Routing, ECO steps, Timing/SI).
2. Should have very good idea about OCV/MM/MC and multi power designs (Level shifters, Isolation cells etc).
3. Should have worked extensively on XTalk/SI/EM.
4. Should be familiar with DSM topics like OPC/CMP etc for 65nm and lower technologies.
5. Should be very strong on CTS constraints and skew fixing.
6. Tool specific knowledge: Talus, ICC, SOC, depending on the background.
7. Good understanding of library preparation in any environment (Synopsys, Magma or Cadence)
8. Knowledge of DRC/LVS, IR Drop, Formal Verification and Synthesis an added advantage.
9. Job would require complete ownership from netlist to GDS for blocks. Should have done similar job well in the past.