Lightmatter · 2 days ago
Sr. Staff Hardware/Software Simulation Engineer
Mountain View, CA
Full-time
Hybrid
Senior Level, Lead/Staff
$216K/yr - $276K/yr
5+ years expLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. As a Sr. Staff Hardware/Software Simulation Engineer, you will develop simulation methodologies that predict the performance of hardware, focusing on mixed-signal design and simulation across various domains.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
Responsibilities
Develop, enhance, and maintain models in digital, analog, and photonics domains
Integrate, and maintain a mixed-signal, co-simulation framework built on top of multiple simulators (e.g., Xcelium, Spectre, Python + cocotb)
Write and maintain code in Python and System Verilog to support modeling and simulation across multiple domains
Develop automated testbenches and verification scripts using Python and HDL simulation framework
Work closely with cross-functional teams, including design engineers, verification teams, and photonics specialists, to understand tool requirements and deliver effective solutions
Provide technical support and troubleshooting for simulation tools, addressing issues promptly to minimize downtime
Create and maintain comprehensive documentation for tool development processes, user guides, and technical specifications
Analyze and optimize simulation performance, including identifying bottlenecks, reducing simulation time, and improving accuracy of large-scale simulations
Implement enhancements to improve simulation speed, accuracy, and resource utilization
Conduct training sessions and workshops to educate team members on tool usage and best practices
Stay updated with the latest advancements in simulation technologies, programming languages, and industry best practices
Propose and implement improvements to existing tools and workflows to enhance productivity and quality
Qualification
Required
5 years of related experience with a PhD, or 8 years with a Master's degree in Electrical Engineering, Computer Engineering, Physics, or related disciplines
Highly proficient in digital and/or analog modeling in software
2+ years of experience in Python, MATLAB, C++ or other scripting/coding language
Familiar with hardware description and/or verification languages such as Verilog, VHDL, SystemVerilog, or VerilogA
Expertise in verification and testing methodologies, including the development and execution of comprehensive hardware and software testing activities
Demonstrated strong problem solving skills, specifically pertaining to problems that do not have obvious solutions
Tech lead experience, including gathering user requirements, planning sprints, and ensuring simulation tools meet the needs of design and verification teams, verifying value delivery to end customers
Experience with version control systems, particularly Git, and issue tracking tools like JIRA
Preferred
Experience with cocotb or other coroutine-based cosimulation testbench environment for verifying verilog, VHDL, verilogA and/or SystemVerilog using Python
Experience with design verification methods for IC and/or SoC design
Proven track record in developing robust and maintainable software
Excellent written and verbal communication skills
Benefits
Comprehensive Health Care Plan (Medical, Dental & Vision)
Retirement Savings Matching Program
Life Insurance (Basic, Voluntary & AD&D)
Generous Time Off (Vacation, Sick & Public Holidays)
Paid Family Leave
Short Term & Long Term Disability
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants (applicable to full-time employees)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase