Simulation Software Engineer - Digital Twins & Networking

020 Cisco Systems, Inc.; Milpitas (CA); On-site; USD 155,000 - 223,000; Full time

Job summary

Cisco Systems, Inc. in Milpitas, CA seeks a Software Engineer to define, design, and develop advanced simulation models for Cisco IOS XR and related platforms. You will build virtual board models, FPGA/ASIC integrations, and scalable distributed systems while contributing to AI fabric digital twins and open-source projects.

The role emphasizes C++ in Linux, CI/CD, and Python for test automation, with responsibilities spanning design, debugging, and deployment of high-fidelity simulations.

Qualifications

• Bachelor + 5 years of related experience or Masters + 3 years or PhD + 0 years in Computer Science, Computer Engineering, Electrical Engineering, or related field.
• Two years of experience as a Software Engineer developing simulation models.
• Experience with system-on-chip (SoC) design and architecture.
• Experience developing software using C++ in Linux environments.
• Experience with CI/CD processes.
• Experience using Python for test automation.
• Experience debugging models, drivers, and operating systems.

Responsibilities

• Developing virtual board models for next-generation routing platforms.
• Modeling FPGA ASICs, devices, sensors, and related hardware components.
• Integrating hardware component models into virtual board environments.
• Designing, implementing, and optimizing simulation software and development tools.
• Developing digital twins of router and AI fabric products.
• Building and maintaining reliable, large-scale distributed systems.
• Developing automated tests and executing regression testing to validate end-to-end system functionality.
• Debugging simulation models, drivers, and network OS software.
• Providing timely technical support to engineering teams.
• Contributing to open-source projects and technologies.

Skills

C++ in Linux

CI/CD

Python scripting

Debugging

System modeling

Education

Bachelor's degree in CS/CE

MS/PhD in related field

Tools

SoC design tools

FPGA

Linux

Job description

Cisco Systems, Inc. in Milpitas, CA seeks a Software Engineer to define, design, and develop advanced simulation models for Cisco IOS XR and related platforms. You will build virtual board models, FPGA/ASIC integrations, and scalable distributed systems while contributing to AI fabric digital twins and open-source projects.

The role emphasizes C++ in Linux, CI/CD, and Python for test automation, with responsibilities spanning design, debugging, and deployment of high-fidelity simulations.