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Memory Senior Circuit Engineer
Silvaco · Hai Chau, Da Nang, Vietnam
About The Role
Circuit Design & Implementation  
- Design and own memory circuit blocks at transistor level — row/column decoders, wordline drivers, pre-charge, sense amplifiers, write drivers, self-timed replica/tracking paths, control logic, level shifters, and IO — to the performance, power, and area targets defined in the specification. 
- Support instance and compiler development : implement and update designs so they remain correct and margin-clean across the configuration range of the compiler. 
- Execute ECOs and design changes for device sizing, connectivity, and margin fixes, and drive them through to clean re-verification. 
- Own a complete memory instance or compiler sub-family end to end, including its architecture choices, margin strategy, and PPA trade-offs. 
Simulation & Verification  
- Run pre- and post-layout SPICE simulation across all required PVT corners; verify function, timing, power, and leakage against specification. 
- Perform margin and statistical analysis — Monte-Carlo, bitcell read/write/hold margin, sense-amplifier offset, VMIN and retention analysis — and document the results for design review. 
- Close post-layout issues with the Layout team: parasitic impact, EMIR violations, coupling, and power-integrity findings. 
- Debug design mismatches and drive root-cause analysis together with the Modeling, Layout, and CAD teams. 
- Define the verification and corner strategy for the blocks under ownership, and review the simulation work of other engineers. 
Automation & Methodology  
- Develop scripts and automation (Perl/Python/TCL/Shell/SKILL) to accelerate simulation, data collection, and regression tasks, and integrate them within the memory compiler / view-generation environment. 
- Follow and contribute to the design checklists, review gates, and sign-off criteria used by the Memory team. 
- Introduce and implement methodology improvements that enhance design quality and overall team efficiency. 
Collaboration & Support  
- Work in close cooperation with Memory Layout, Modeling, DFT, Physical Design, and STA teams to deliver on time and according to required specifications, and escalate technical risks early. 
- Generate the required documentation , support characterisation and silicon correlation, and contribute to the validation and debugging of fabricated silicon. 
- Participate actively in design reviews — present your own work, and give and receive technical feedback constructively. 
- Provide mentorship and technical guidance to junior circuit engineers and interns. 
Essential Requirements  
- BS/MS in Electronics Engineering, Telecommunications, Microelectronics, Computer Engineering, Physics, or a related field. 
- Minimum 4 years of hands-on custom/analog circuit design experience for IC or IP design
- Proficient in schematic capture (Cadence Virtuoso or equivalent). 
- Proficient with spice simulators (hspice, spectre or equivalent) and multi-corner PVT simulation. 
- Working knowledge of statistical analysis for circuit design: Monte-Carlo, process variation, margin and yield concepts. 
- Experience with post-layout simulation, parasitic extraction, and basic EMIR analysis. 
- Experience with FinFET or advanced planar technologies. 
- Strong scripting/programming skills (Perl, Python, TCL, Shell) on Unix/Linux. 
- English Language Proficiency: Fluency, written and verbal. 
- Strong communication, analytical, and problem-solving skills. 
Desirable Requirements  
- Direct experience on embedded memory (SRAM, DPRAM, ROM, Register File, or TCAM)
- Master’s degree in Electronics / Microelectronics Engineering. 
- Hands-on experience with memory compilers and view-generation flows. 
- Understanding of memory bitcell behaviour and assist techniques (wordline boost, negative bitline, VDD collapse). 
- Familiarity with CCS/NLDM characterisation, Liberty (.lib) model generation, and SPICE correlation, or with DFT/MBIST for memories. 
- Understanding of memory architectures (SRAM/ROM/Register File), RTL modelling (Verilog, VHDL, Verilog-A), and STA concepts. 
- Knowledge of functional safety (ISO 26262) and quality (ISO 9001) processes. 
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