Hardware Engineer

Amphenol TCS; Nashua (NH); On-site; USD 110,000 - 170,000; Full time

Job summary

Amphenol Communications Solutions in Nashua, NH is seeking an experienced Hardware Engineer to design, simulate, and validate next-generation HSIO cable products and AEC solutions for 400G+ applications. You will work with cross-functional teams to optimize cable, connector, PCB, and active equalization designs, leveraging advanced modeling and lab measurements.

The role emphasizes leadership in simulation methodologies and delivering robust interconnect solutions.

Qualifications

• BS or MS in Electrical Engineering.
• 5+ years of experience in high-speed interconnect, cable, connector, or signal integrity development.
• Strong understanding of: Signal Integrity, Transmission Line Theory, Electromagnetic Field Theory, High-Speed Serial Interfaces, PAM4 Signaling.
• Experience with channel simulation and system-level analysis.
• Proficiency with Ansys HFSS, Ansys SIwave, CST Studio Suite, Keysight ADS, Cadence Sigrity.
• Experience with S-parameter generation, analysis, and model correlation.
• Ability to analyze and optimize high-speed channels operating at 56G, 112G, and beyond.

Responsibilities

• Develop electrical architectures for next-generation High-Speed I/O cable products and AEC solutions.
• Perform channel simulations and system-level modeling of complete high-speed links.
• Create and maintain electrical models for cables, connectors, PCB transitions, and active components.
• Analyze insertion loss, return loss, crosstalk, skew, impedance discontinuities, jitter, and equalization performance.
• Simulate end-to-end channels to support 112G PAM4 and emerging 224G technologies.
• Generate design recommendations based on simulation results and channel compliance requirements.
• Collaborate with cable design, connector design, ASIC, firmware, mechanical, and manufacturing teams.
• Develop design guidelines, simulation methodologies, and best practices for HSIO cable development.

Skills

Signal Integrity

Transmission Line Theory

Electromagnetic Field Theory

High-Speed Serial Interfaces

PAM4 Signaling

Channel simulation

Education

BS or MS in Electrical Engineering

Tools

Ansys HFSS

Ansys SIwave

CST Studio Suite

Keysight ADS

Cadence Sigrity

Job description

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets. Amphenol Corporation is one of the world's largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable. ACS has an expansive global presence in research and development, manufacturing, and sales. We design and manufacture a wide range of innovative connectors as well as cable assemblies for diverse applications including server, storage, data center, mobile, RF, networking, industrial, business equipment, and automotive.

Position: Hardware Engineer

Location: Nashua, NH

We are seeking an experienced Hardware Engineer to support the design, modeling, simulation, and validation of next-generation High-Speed I/O (HSIO) cable products. This role will focus on Active Electrical Cable (AEC) solutions supporting AI, hyperscale data center, networking, and high-performance computing applications operating at 400G, 800G, 1.6T, and beyond.

The successful candidate will utilize advanced simulation and modeling techniques to optimize cable, connector, PCB, and active equalization designs while collaborating closely with cross-functional engineering teams throughout the product development lifecycle.

Key Responsibilities:

Electrical Design & Simulation

• Develop electrical architectures for next-generation High-Speed I/O cable products and AEC solutions.
• Perform channel simulations and system-level modeling of complete high-speed links.
• Create and maintain electrical models for cables, connectors, PCB transitions, and active components.
• Analyze insertion loss, return loss, crosstalk, skew, impedance discontinuities, jitter, and equalization performance.
• Simulate end-to-end channels to support 112G PAM4 and emerging 224G technologies.
• Generate design recommendations based on simulation results and channel compliance requirements.

Electromagnetic Modeling

• Perform 2D and 3D electromagnetic modeling of cable and connector structures.
• Develop S-parameter models and behavioral models for system-level analysis.
• Support model extraction, correlation, and optimization activities.
• Conduct studies to improve channel performance, signal integrity, and overall link margin.

Product Development

• Collaborate with cable design, connector design, ASIC, firmware, mechanical, and manufacturing teams.
• Drive simulation-based design decisions throughout product development.
• Evaluate new materials, cable constructions, connector technologies, and architecture concepts.
• Support product definition and development of next-generation AEC solutions.

Validation & Correlation

• Correlate simulation results with laboratory measurements and characterization data.
• Analyze VNA, TDR, oscilloscope, and BER test results.
• Investigate and troubleshoot channel performance issues.
• Support compliance testing and customer qualification efforts.

Technical Leadership

• Participate in design reviews and provide technical guidance on channel architecture and performance.
• Present simulation results and design recommendations to internal and external stakeholders.
• Develop design guidelines, simulation methodologies, and best practices for HSIO cable development.

Required Qualifications

• BS or MS in Electrical Engineering.
• 5+ years of experience in high-speed interconnect, cable, connector, or signal integrity development.
• Strong understanding of:
  • Signal Integrity
  • Transmission Line Theory
  • Electromagnetic Field Theory
  • High-Speed Serial Interfaces
  • PAM4 Signaling
• Experience with channel simulation and system-level analysis.
• Proficiency with one or more of the following:
  • Ansys HFSS
  • Ansys SIwave
  • CST Studio Suite
  • Keysight ADS
  • Cadence Sigrity
• Experience with S-parameter generation, analysis, and model correlation.
• Ability to analyze and optimize high-speed channels operating at 56G, 112G, and beyond.

Preferred Qualifications

• Direct experience developing Active Electrical Cable (AEC) products.
• Familiarity with Ethernet, InfiniBand, PCIe, and OIF specifications.
• Experience supporting AI and hyperscale data center interconnect solutions.
• Knowledge of DSP-based equalization techniques and channel optimization.
• Experience with Python, MATLAB, or scripting languages for simulation automation and data analysis.
• Familiarity with cable assembly manufacturing processes and qualification requirements.

Amphenol Corporation is proud of our reputation as an excellent employer. Our focus is to provide the highest level of support and responsiveness to both our employees and our customers, the world's largest technology companies. Amphenol Corporation offers the opportunity for career growth within a global organization. We believe that Amphenol Corporation is unique in that every employee, regardless of his or her position, has the ability to positively impact the business.

Amphenol is an "Equal Opportunity Employer" - Minority/Female/Disabled/Veteran/Sexual Orientation/Gender Identity/National Origin. For additional company information please visit our website at https://www.amphenol-cs.com/