Lightmatter Logo

Lightmatter

Sr. Staff Hardware/Software Simulation Engineer

Posted 11 Days Ago
Be an Early Applicant
Easy Apply
In-Office
2 Locations
216K-276K Annually
Senior level
Easy Apply
In-Office
2 Locations
216K-276K Annually
Senior level
Develop simulation methodologies for hardware performance, focusing on mixed-signal design and co-simulation tools. Collaborate with teams to enhance simulation processes and maintain models in digital, analog, and photonics domains.
The summary above was generated by AI

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.

Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!

If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.

Lightmatter is (re)inventing the future of computing with light!

We are hiring a Sr. Staff Hardware/Software Simulation Engineer. As a Simulation Engineer, you will develop  simulation methodologies that predict the performance of our hardware. This will require a solid understanding of mixed-signal design & simulation, multiple programming languages, and clear communication skills.

In this role, you will focus on the development and maintenance of tools to simulate hardware from digital, analog, and photonics domains. This role involves working with device models from these domains and creating a framework that allows for co-simulation, mixed-signal design and simulation. These mixed-signal simulation environments integrate both RTL (Register Transfer Level) and circuit-level simulations.

You will work closely with our digital, analog, photonic, and software teams. We are particularly looking for someone with expertise in modeling and simulation of digital and analog circuits by using their programming experience in hardware description languages (Verilog, VHDL), verification languages (System Verilog), and object oriented programming languages (Python).

Join a tight-knit team where each individual’s contributions directly influence the success of the company and product. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized.

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.
Qualifications:
  • 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 Qualifications:
  • 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.

We offer competitive compensation. *We are currently hiring for multiple levels for this role. Your level and compensation will be determined by your experience, education, and location.

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.
$216,000$276,000 USD
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)

Benefits eligibility may vary depending on your employment status and location. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.

Export Control

Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws. 

Top Skills

C++
Cocotb
Matlab
Python
System Verilog
Verilog
Vhdl
HQ

Lightmatter Boston, Massachusetts, USA Office

At Lightmatter, we have a flexible work structure; employees work remotely and work from our physical offices located in Boston, MA, and Mountain View, CA

Similar Jobs

12 Hours Ago
Hybrid
Framingham, MA, USA
84K-102K Annually
Mid level
84K-102K Annually
Mid level
Cloud • HR Tech • Information Technology • Software
The Social Media Manager will lead Workhuman's organic social media strategy, creating impactful content and collaborating with cross-functional teams to enhance brand presence across various platforms.
Top Skills: AnalyticsLinkedInMeta
16 Hours Ago
Hybrid
Framingham, MA, USA
110K-130K Annually
Senior level
110K-130K Annually
Senior level
Cloud • HR Tech • Information Technology • Software
As a Senior Data Analyst, you will analyze data to provide insights for marketing and sales strategies, build data models, and create dashboards.
Top Skills: Cloud Data WarehousesData Visualization ToolsDbtSalesforceSQL
16 Hours Ago
Hybrid
Framingham, MA, USA
100K-120K Annually
Mid level
100K-120K Annually
Mid level
Cloud • HR Tech • Information Technology • Software
This role involves overseeing competitive intelligence and market strategies, collaborating with various teams to enhance product positioning and go-to-market efforts.
Top Skills: AlphasenseB2B SaasCompetitive Intelligence ToolsCrayonHr TechKlue

What you need to know about the Boston Tech Scene

Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.

Key Facts About Boston Tech

  • Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
  • Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
  • Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
  • Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account