Signal Integrity Engineer

Cornelis Networks delivers the world’s highest performance scale-out networking solutions for AI and HPC datacenters. Our differentiated architecture seamlessly integrates hardware, software and system level technologies to maximize the efficiency of GPU, CPU and accelerator-based compute clusters at any scale. Our solutions drive breakthroughs in AI & HPC workloads, empowering our customers to push the boundaries of innovation. Backed by top-tier venture capital and strategic investors, we are committed to innovation, performance and scalability - solving the world’s most demanding computational challenges with our next-generation networking solutions.

We are a fast-growing, forward-thinking team of architects, engineers, and business professionals with a proven track record of building successful products and companies. As a global organization, our team spans multiple U.S. states and six countries, and we continue to expand with exceptional talent in onsite, hybrid, and fully remote roles.

Cornelis Networks is hiring a talented Signal Integrity (SI) Engineer with some experience in system and printed circuit board (PCB) development and design. The SI engineer will be involved in the high-speed interface design, from conception through end-of-life, of the next generation Cornelis Networks Fabric platforms.

• Perform SI simulation including modeling, pre/post-data processing and analysis

• Support high-speed interface interconnects/channel simulation and analysis

• Work in lab with various equipment to perform SI measurements, Ser Des test, cable evaluation and qualification, and correlation of the measurements with the SI simulations
• Provide design guidelines for platforms based on simulation and 3D modeling activities
• Work with platform mechanical, electrical design, software, system test, and manufacturing teams to assist in moving the product into production
• Review platform designs to ensure that signal paths are laid out to meet design specifications for high-speed interfaces such as PCIe and Ethernet.

• 3+ years of experience in the usage of electromagnetic (EM) simulation tools
• BS or MS in Electrical Engineering, Computer Engineering or Electrical and Computer Engineering
• Understand transmission line theory and electromagnetic (EM) field concepts such as S-parameter and impedance match
• Knowledge of SI fundamentals in modeling complex structures such as packages, BGA, connectors, and PCB boards
• Scripting languages such as Matlab and Python
• Develop technical documents, including design guidelines and simulation/test correlation reports
• Strong communication and interpersonal skills

• 2D/3D EM field solver tools, such as Ansys HFSS, CST, Sigrity, or Keysight SI/PI/EM Pro
• Channel simulation tools for frequency domain and time domain analysis such as Keysight ADS
• High-speed interface design and analysis concepts, such as PCIe, Ethernet IEEE
  802.3, etc.
• Hand-on experience for lab equipment such as Oscilloscope, Vector Network Analyzer (VNA), Bit Error Rate Tester (BERT), Time Domain Reflectometry (TDR), etc.
• The concepts of PCB layout, which may include experience with tools such as Candence Allegro PCB designer or other PCB designer tools
• Strong problem-solving and analytical skills to diagnose and resolve SI/PI failures
• Knowledge of optical and active copper cable technologies is a plus

This position follows a hybrid work model and is based at the Chesterbrook Corporate Center in Wayne, PA. The ideal candidate will reside within a reasonable commuting distance.

We offer a competitive compensation package that includes equity, cash, and incentives, along with health and retirement benefits. Our dynamic, flexible work environment…