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Full Chip Design & Timing Closure Lead - 28nm FDSOI full chip Role Summary We are seeking an experienced
Full Chip Lead
to own end-to-end
physical implementation and timing closure
of a complex
28nm FDSOI full chip
. The role requires deep hands-on expertise in
large-scale static timing constraints (SDCs) , multi-mode multi-corner (MMMC) flows, and cross-functional coordination from RTL handoff through
signoff and tape-out .
Key Responsibilities Full-Chip Ownership
Own
full-chip integration, physical implementation, and signoff
for a 28nm FDSOI SoC from netlist freeze to GDS. Drive
floorplanning, power planning, clocking architecture, and chip assembly
across multiple subsystems and IPs. Act as the
technical owner
for full-chip quality, risk management, and delivery. Timing Constraints & SDC Leadership (Critical)
Own and maintain
large, complex SDC environments
including:
Multiple clock domains (PLL, Client, async, low-power clocks) Generated clocks, clock grouping, false paths, multicycle paths IO constraints, DFT constraints, and mode-specific constraints
Lead
SDC strategy, development, validation, and cleanup
across block and top levels. Ensure
SDC consistency and correctness
across RTL, synthesis, P&R, STA, and signoff tools. Debug and resolve
constraint-related timing issues , over-constraining / under-constraining risks, and tool mismatches. Timing Closure & STA
Drive
MMMC timing closure
across all functional, test, LP, and voltage modes. Hands-on ownership of
setup/hold, clock reconvergence pessimism (CRPR), SI-aware timing , and OCV/AOCV/POCV. Lead
pre- and post-route STA , ECO strategy, and late-stage closure. Coordinate timing signoff with foundry, IP vendors, and customers. Low Power & FDSOI-Specific Aspects
Drive power intent implementation (UPF/CPF), including:
Multi-Vt, power domains, isolation, level shifters, retention
Leverage
FDSOI body biasing (BB)
techniques for PPA optimization. Collaborate closely with power and architecture teams to meet aggressive power targets. DFT, IO, and Signoff Collaboration
Coordinate with DFT teams on:
Scan, at-speed test modes, test clocks, and test-specific SDCs
Work closely with:
Packaging / IO teams for pad constraints and SI awareness Signoff teams for DRC/LVS, EM/IR, noise, and reliability
Technical Leadership
Mentor block-level leads on
SDC best practices, timing closure strategy, and ECO flows . Drive
flow standardization , checklists, and automation scripts (Tcl/Perl/Python). Provide
clear status, risk assessment, and mitigation plans
to program management and stakeholders.
Required Technical Skills Must-Have
12+ years
of experience in
ASIC Physical Design / Full Chip Integration Proven experience as
Full Chip Lead
on advanced nodes (≤28nm preferred) Deep expertise in SDC authoring, review, and debugging at scale Strong hands-on experience with:
PrimeTime / PrimeTime SI ICC2 / Innovus MMMC flows and signoff methodology
Solid understanding of:
Clocking architectures, CDC concepts, and async design Hold closure, ECO strategies, and late-stage timing fixes
FDSOI / Low Power (Highly Preferred)
Direct experience with
28nm FDSOI Knowledge of body-biasing, low-Vdd operation, and leakage optimization Strong UPF/CPF understanding in complex SoCs Scripting & Automation
Strong Tcl scripting (mandatory) Perl/Python for flow automation and analysis (preferred)
Soft Skills & Leadership
Ability to act as
single-threaded owner
for full-chip timing and P&R Strong cross-team communication with RTL, DFT, signoff, and program teams Comfortable in
customer-facing technical discussions and escalations Calm under schedule pressure; structured problem solver
Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.
Compétences linguistiques
- English
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