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we're seeking a highly skilled Physical Design CAD Engineer specializing in CAD Automation and Signoff to join our local engineering powerhouse from the ground up.

This is a unique opportunity to take on meaningful technical ownership in a new site, implementing the backend execution environment and methodologies for chips that power the world's largest AI clusters. As a foundational member of the team, you will be responsible for the physical implementation environment. Your primary mission is to develop, optimize, and support automated flows from RTL to manufacturable GDSII tape-out, ensuring a methodical and efficient work environment for the entire PD team.


Key Responsibilities


Develop and maintain automated flows for Synthesis, Place & Route (P&R), and Floor-planning to ensure seamless design transitions
Implement and manage robust environments for Static Timing Analysis (STA), Power Analysis, and Physical Verification (DRC/LVS/ERC)
Write and maintain custom plug-ins and scripts (Tcl/Python) to extend vendor tool capabilities, tailoring them to specific process node constraints
Build automated "dashboards" and feedback loops to track and improve Power, Performance, and Area (PPA) metrics across design iterations
Own the design database structure and version control to ensure team alignment and data integrity
Collaborate directly with EDA vendors (Synopsys, Cadence, Siemens/Mentor) to troubleshoot flow issues and analyze tool results
Provide technical support to the broader PD team, helping them optimize individual blocks for power, performance, and timing

we're seeking a highly skilled Physical Design CAD Engineer specializing in CAD Extraction to join our local engineering powerhouse from the ground up.

This is a unique opportunity to take on meaningful technical ownership in a new site, implementing the parasitic extraction (PEX) methodologies and flows for chips that power the world's largest AI clusters. As a foundational member of the team, you will be responsible for the accuracy and efficiency of our extraction environment, ensuring that our high-speed designs are modeled with the highest precision from RTL to GDSII.

Key Responsibilities

Develop, qualify, and maintain automated RC extraction flows for high-performance AI SoCs
Own the setup and validation of foundry technology files (e.g., StarRC/Quantus techfiles, TLU+, ITF) across various process corners
Perform correlation studies between different extraction tools and 3D field solvers (e.g., Raphael, QuickCap) to ensure modeling accuracy
Collaborate closely with the Signal Integrity (SI) and Power Integrity (PI) teams to provide accurate parasitic data for critical high-speed nets and power grids
Implement automated scripts (Tcl/Python) to streamline extraction regressions, data parsing, and PEX-to-STA (Static Timing Analysis) handoffs
Analyze the impact of layout effects (LDE) and parasitics on timing and power, providing feedback to the implementation team to optimize PPA
Interface with EDA vendors and foundries to resolve extraction tool bugs and methodology gaps related to advanced nodes (5nm/3nm)

we're seeking a highly skilled Physical Design Engineer specializing in EMIR & Power Integrity to join our local engineering powerhouse from the ground up.

This is a unique opportunity to take on meaningful technical ownership in a new site, executing the backend power methodologies for chips that power the world's largest AI clusters. As a Physical Design Engineer, you will be a core technical contributor ensuring the power robustness and long-term reliability of our high-performance connectivity silicon.

You will execute the Electro-Migration and IR Drop (EMIR) analysis and sign-off from block level to full-chip, working closely at the intersection of Physical Design, Analog/Mixed-Signal design, and Package Engineering. You will be responsible for validating power grid architectures to ensure our products meet aggressive voltage drop and reliability targets in advanced FinFET process nodes, directly impacting the performance and yield of chips operating in the worlds most demanding AI and cloud environments.

Key Responsibilities

Execute static and dynamic IR drop analysis, signal/power electromigration (EM) verification, and self-heat analysis from the block level through to full-chip sign-off
Implement and maintain robust EMIR flows and methodologies using industry-standard tools (Ansys RedHawk-SC, Cadence Voltus, or equivalent)
Work with Physical Design teams to implement optimal power grid structures, via pillars, and strap distributions to minimize voltage drop while maximizing routing resources
Collaborate closely with Analog/SerDes designers to analyze current profiles and ensure robust power delivery to sensitive high-speed IP blocks
Partner with Package Design engineers to perform Chip-Package-System (CPS) co-analysis, optimizing bump patterns and package routing for superior Power Integrity
Perform root-cause analysis for voltage drop violations and EM risks, proposing and implementing layout fixes alongside the PD team
Verify current density rules for ESD protection networks and ensure compliance with strict foundry reliability constraints
Support silicon bring-up by correlating simulation results with actual silicon measurements and yield data

As a Staff Physical STA Expert , you will hold the keys to silicon success. You will be leading the STA activities end-to-end from Chip partition, Time budgeting through signoff of all the chips we develop. You will build and lead the STA team to run several chips signoffs in parallel. In addition, You will define the sign-off methodology for chips that power the worlds most advanced AI clusters. You will act as the central nervous system of the design process, bridging the gap between Architecture, Design, DFT, and Physical Design to ensure our high-performance silicon meets the aggressive timing targets required for next-generation connectivity.

Key Responsibilities

Take full ownership of the STA flow and sign-off methodologies. You will establish the rigorous criteria that ensure our products succeed in the most demanding data center environments
Collaborate closely with Architecture, Design, DFT, and Backend teams. You will lead timing reviews and work closely with block owners to navigate the path to sign-off convergence
Develop, optimize, and manage complex SDC constraints from the ground up, ensuring they are robust across multi-scenario environments
Tackle the challenges of cross-chip clock distribution networks and sophisticated margining techniques, ensuring robust silicon across all process corners
Have a passion for better workflows? Youll participate in design methodology improvements and tool automation, utilizing both industry-standard EDA tools and in-house automation to make our sign-off process faster and smarter

We are seeking a motivated Software Development to join our team and assist in developing and maintaining Software for our cutting-edge products.
Job Description:
Develop automation tools for multidisciplinary systems based on the customers specifications and requirements.
Collaborate closely with multiple interfaces - R&D, production engineering and system testing with company cross products and be part of the R&D team.
Develop QT and various applications in a Windows environment.
Engage in Software development for Hardware components, working with complex multidisciplinary systems and using variety communication protocols.
Design, write Software documentation, develop code, and perform code reviews.

In the Hybrid Cloud, Zerto drives the innovation agenda and technology roadmap for cutting-edge solutions in data lifecycle management, cyber resilience, replication, ransomware recovery, and seamless migrations. Our mission is to empower businesses with advanced hybrid cloud technologies that ensure data resilience, business continuity, and operational efficiency. With a focus on delivering state-of-the-art solutions, Zerto helps organizations protect, manage, and optimize their data across its entire lifecycle while maintaining robust defenses against evolving cyber threats. By working with customers, we help them reimagine their disaster recovery and data protection strategies, ensuring they achieve their business goals with confidence. Join us to redefine whats next in the hybrid cloud, data protection, and cyber resilience-and for yourself.

Roles and Responsibilities

Design, develop, and enhance I/O subsystems, virtualization, kernel programming, and memory management for cutting-edge system software products.
Drive performance optimization, and efficient memory management.
Perform in-depth debugging, triaging, and resolution of user and kernel-level, performance profiling, and memory-related issues.
Develop innovative solutions, addressing challenges in virtualization, multithreading, and hardware-software interaction.
Explore and implement new methodologies fostering continuous improvement and innovation.
Proactively identify bottlenecks in system design, and recommend and implement robust, scalable solutions.
Stay updated on evolving trends in kernel development, design, and virtualization technologies to bring innovative practices to the team.
Troubleshoot and optimize complex I/O and kernel features to enhance performance, scalability, and reliability.
Collaborate with cross-functional teams to align on design goals and ensure seamless integration with the system architecture.
Exhibit flexibility in taking on new or related tasks, showcasing adaptability and a proactive, problem-solving mindset.
Provide technical leadership in architecture design, problem-solving, and decision-making across complex technical domains.
Lead technical discussions, design reviews, and decisions on critical system challenges, driving the adoption of innovative solutions and best practices.

Design, implement, and test a state-of-the-art optimizing compiler for Cisco Silicon One
Evaluate and optimize code performance, including debugging, code generation improvements, and pipeline analysis
Develop, optimize, and enhance the compiler backend to fully leverage cutting-edge hardware capabilities
Solve complex resource management challenges across hardware pipelines
Design and implement new P4 language features that empower network application developers
Build and maintain the compiler toolchain for custom networking applications
Contribute to libraries, analysis tools, and supporting infrastructure
Collaborate with cross-functional hardware and software teams
Work closely with ASIC engineers on next-generation IC design, influencing hardware through compiler insights prior to tape-out

We push the boundaries of technology, developing innovative DFT solutions that drive industry-leading programmability, scalability, and performance. Our team operates in a hybrid model, with three days a week in the office in Midtown Tel Aviv or Caesarea, fostering collaboration and technical excellence in a startup-like atmosphere within a stable, global corporation.

Your Impact

As an Experienced DFT Engineer, you will:

Own and drive DFT execution across the full product lifecycle, from pre-silicon design through post-silicon debug and production qualification.

Define and align DFT architecture and strategy in close collaboration with chip architects, design, and verification teams.

Oversee and contribute hands-on to the implementation of DFT features, including ATPG, scan insertion and compression, and memory BIST.

Lead silicon debug activities and root-cause analysis, driving corrective actions to improve yield, reliability, and test quality.

Establish, standardize, and evolve DFT methodologies and best practices across projects.

Develop PHY firmware and system-level features for advanced networking ASICs
Participate in post-silicon validation, including lab bring-up, debugging, and performance analysis
Collaborate closely with PHY, system, firmware, and silicon design teams
Contribute to defining system operation modes and end-to-end device behavior
Help drive the development of next-generation, high-scale networking solutions using cutting-edge silicon technologies

Join the PHY system team , a pivotal part of silicon development. Our team focuses on the PHY and system aspects of our devices, including PHY firmware, calibrations, system definitions, operations, and post-silicon validation.

Key responsibilities include:

Working with the latest silicon technologies and processes to build large-scale, complex devices at the forefront of feasibility.
Contributing to the development of PHY firmware and system calibrations.
Participating in system definitions, operations, and post-silicon validation activities.

What Youll Do:

Youll be part of the group driving next-generation network devices-within a startup-like atmosphere inside a well-established, leading corporation.

Our unique design center integrates all silicon hardware and software development disciplines under one roof. We are revolutionizing the industry by building a new internet for the 5G era, with a unified, programmable silicon architecture that will underpin future routing products. Our devices are designed for adaptability across service providers and web-scale markets, delivering high speed without compromising programmability, buffering, power efficiency, scale, or feature flexibility.

seeking a highly motivated and experienced Senior Software Engineer for a position focused on developing innovative network device monitoring and visualization solution.

Meet the Team

This position is part of Silicon One organization, based in Israel. Silicon One is the foundation of industry-leading networking hardware products, pushing the boundaries of technology and driving the next generation of high-performance, scalable solutions.

Your Impact

Design and develop visualization capabilities within our SDK environment
Lead the development of a brand-new comprehensive self-monitoring system for network devices from the ground up
Implement a comprehensive model for capturing and managing network state information
Drive cross-team collaboration and technical strategy
Work closely with senior technical leadership
Create and refine technical requirements and system designs
Build new systems and frameworks from the ground up

In this role, you will be part of the Silicon One Switch ASIC Post-Silicon Electrical Validation (EPSV) team.
* Ensure the ASIC operates according to specifications and reliably over time by performing extensive, high-precision measurements using advanced test equipment and procedures.
* Conduct deep-dive investigations, integrating knowledge across hardware, software, and system domains to identify root causes of observed device behavior.

* Handle all chip validation aspects, including:
* Building validation plans.
* Deloping ASIC software test infrastructure.
* Writing tests in Python/C++ over device SDK.
* Executing tests and analyzing results.

seeking a highly skilled and experienced PCIe Validation Engineer to join our Silicon and System Validation team, playing a key role in the companys core products. This position involves building a complex validation environment from scratch for pre and post silicon, defining test plan execution and debugging failures while collaborating with cross-functional teams. In this role, you will take ownership of the validation from Emulation thru bring-up to product release in quality that meets Next silicons standards.

We are seeking an experienced technical leader to head our collective communication library development team. This role involves leading a team of engineers in developing high-performance collective communication implementations for multi-NPU and multi-node AI workloads.
Key Responsibilities
Lead the design and development of collective communication primitives (All-Reduce, All-to-All, Gather/Scatter and etc)
Architect scalable communication protocols for multi-NPU and multi-node systems
Optimize communication performance for NPU architectures
Provide technical leadership to the team members in NPU programming, distributed systems, and communication protocols
Work with a success-driven worldwide international team (Network, NPU, QA, AI, DL/ML Framework)
Define project milestones, deliverables, and technical roadmaps
Ensure compatibility with major AI frameworks (PyTorch, TensorFlow, JAX).

Come help lead the design and development of one of the most ambitious products at the forefront of compute technology!

Responsibilities
Lead a physical design team responsible for all stages of the physical design process-floor planning, placement, clock tree synthesis, routing, timing, and power optimization at both block and subsystem levels.
Mentor and guide a team of physical design engineers through all stages of the design flow.
Collaborate closely with project managers and other technical leads to ensure timely delivery and successful completion of projects.
Drive the technical direction of the physical design process to ensure efficient, high-quality outcomes.
Develop and implement best practices for physical design and continuous improvements of design workflows.
Optimize designs for performance, power, and area (PPA) to meet project goals.
Ensure compliance with DRC (design rule checking) and LVS (layout versus schematic) requirements. .
Drive timing analysis and closure, working closely with the RTL design team to resolve timing violations.