Signal Integrity Engineer

Posted 7 Hours Ago
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Hiring Remotely in USA
Remote
Senior level
Computer Vision • Information Technology
The Role
Performs electromagnetic, signal integrity, and power integrity simulations for high-speed digital interfaces up to 448Gbps. Analyzes PAM4 and NRZ links, eye diagrams, jitter, noise, S-parameters, PDNs, impedance control, transmission lines, and PCB stack-ups. Develops design guidelines, documents simulation results, correlates simulations with measurements, and collaborates with PCB layout engineers and fabrication vendors on server, data center, and networking hardware.
Summary Generated by Built In

About the job

Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications.

Overview

Drive advanced signal and power integrity initiatives for next-generation high-speed digital interfaces by leveraging deep simulation expertise and in-depth PCB design knowledge. This role is responsible for ensuring robust performance of interfaces up to 448Gbps through comprehensive electromagnetic modeling, analysis, and the development of practical design guidelines.

Responsibilities
  • Perform high-frequency electromagnetic simulations for high-speed interfaces (224Gbps, 448Gbps) using Ansys HFSS and Keysight ADS.
  • Execute comprehensive power delivery network (PDN) analysis using industry-standard simulation tools.
  • Analyze signal integrity for advanced interfaces such as PAM4 (56Gbps, 112Gbps) and NRZ (minimum 25Gbps), focusing on simulation-based validation and correlation with measurement data, including eye diagram analysis, jitter/noise analysis, and S-parameter correlation.
  • Apply and document impedance control, transmission line, and PCB manufacturing best practices in practical design guidelines.
  • Prepare thorough technical documentation of simulation methods, results, and recommendations to support hardware development processes.
  • Demonstrate familiarity with Ethernet high-speed interface standards (25G/100G/400G/800G) in simulation and analysis workflows.
  • Collaborate with PCB layout engineers to review and optimize board designs for signal and power integrity in server, data center, and network infrastructure hardware.
Minimum Qualifications
  • 5+ years of hands-on experience in signal integrity simulation for high-speed digital systems.
  • Proficiency with simulation tools such as Ansys HFSS, Cadence Sigrity, PowerSI, Ansys SIwave, and Keysight ADS.
  • Direct experience with high-speed interface technologies, specifically with PAM4 (56Gbps, 112Gbps) and minimum 25Gbps NRZ links.
  • Extensive knowledge of signal and power integrity concepts, PCB stack-up optimization, impedance control, and fabrication constraints.
  • Strong organizational skills and exceptional technical documentation abilities.
Preferred Qualifications
  • Master’s degree in Electrical Engineering, Physics, Mathematics, or a related discipline, or equivalent industrial experience.
  • 8+ years of experience in comprehensive signal and power integrity evaluation for high-performance electronic systems.
  • Advanced expertise in the development of design guidelines for ultra-high-speed interconnects.
  • Experience collaborating with PCB fabrication vendors to implement and verify complex impedance-controlled layouts.

Benefits

Delart provides competitive benefits and compensation across all regions where we operate. In the United States, our benefits package includes premium PPO and HMO medical insurance, dental and vision coverage, flexible spending accounts (FSA), life insurance, short- and long-term disability insurance, a company-matched 401(k) plan, and a generous paid time off policy.

Join us in shaping the future of technology. Apply today!

Delart is an equal opportunity employer. We celebrate diversity and are dedicated to fostering an inclusive workplace for all employees. We strictly prohibit discrimination or harassment of any kind based on race, color, religion, age, sex, national origin, disability, genetics, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.

Skills Required

  • 5+ years of hands-on experience in signal integrity simulation for high-speed digital systems
  • Proficiency with Ansys HFSS, Cadence Sigrity, PowerSI, Ansys SIwave, and Keysight ADS
  • Direct experience with PAM4 at 56Gbps and 112Gbps and NRZ links of at least 25Gbps
  • Extensive knowledge of signal and power integrity, PCB stack-up optimization, impedance control, and fabrication constraints
  • Strong organizational skills and exceptional technical documentation abilities
  • Master's degree in Electrical Engineering, Physics, Mathematics, or related discipline, or equivalent industrial experience
  • 8+ years of experience in comprehensive signal and power integrity evaluation for high-performance electronic systems
  • Advanced expertise developing design guidelines for ultra-high-speed interconnects
  • Experience collaborating with PCB fabrication vendors on complex impedance-controlled layouts
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The Company
HQ: Los Angeles, CA
81 Employees

What We Do

Since our start in 2017, our team of world-class system and software engineers have participated in designing some of the most advanced telecommunication and consumer products in the world, and have developed these products with the focus and agility of a startup. We provide a range of research, development, and engineering services, including systems engineering, hardware and software, and developing networking and wireless communications standards. Some of the biggest tech companies entrust us with embedding these technologies into their next generation of products: Technologies - All generations of Wi-Fi (IEEE 802.11) in all frequency bands (2.4, 5, 6 and 60 GHz) - Ultra-Wideband (IEEE 802.15.4z and WiMedia standards) - Cellular technologies (4G/5G covering UE, RAN, Core) - Millimeter-wave systems Engineering - Wireless systems architecture and design - Standards and Intellectual Property development - Hardware design and prototyping - Embedded software development - Application-level programming - Systems testing and automation Applications - Wireless connectivity solutions for augmented/virtual reality (AR/VR) and other wearable products - Fixed wireless access and backhaul, including millimeter-wave solutions - Next-generation cellular infra for 4G/5G based on Open-RAN

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