Sr. Signal Integrity Engineer

Amphenol Communications Solutions; Nashua (NH); On-site; USD 110,000 - 150,000; Full time

Job summary

Amphenol Communications Solutions in Nashua, NH is seeking a Senior Signal Integrity Engineer to design, simulate, and validate high‑speed connectors and interconnects for data‑center and telecom applications. You will collaborate with multi‑disciplinary teams to ensure robust signal integrity in next‑generation products.

The ideal candidate holds an Electrical Engineering degree and 5+ years of SI experience, with hands‑on expertise in testing (TDR, VNA) and measurement equipment, and

Qualifications

• Bachelor of Science in Electrical Engineering required or equivalent
• 5+ years of industry experience with electromagnetic principles for digital SI
• Experience with high-speed connectors in communications equipment is a plus
• Experience with SI measurements and debugging with TDR, VNA, pattern generators and error detectors
• Experience with SI tools (HFSS, Designer, CST, HSPICE, MatLab, ADS) and circuit characterization methods

Responsibilities

• Design, simulation, characterization and application of high-speed connectors and interconnects
• Component development and customer support on new product introductions
• Collaborate with multi-disciplinary teams to improve signal integrity
• Share knowledge and pursue continuous improvement in methods and workflows
• Assist Sales Engineers with product break-in strategies based on SI expertise
• Identify and resolve signal integrity issues in PCB layouts
• Design and measure boards for verification of products
• Apply circuit theory and high-speed transmission principles to design

Skills

Signal integrity

Electromagnetic principles

High-speed connectors

Test & measurement (TDR, VNA)

SI tools (HFSS, Designer)

Circuit characterization

Education

Bachelor of Science in Electrical Engineering

MS/PhD in Electrical Engineering preferred

Tools

HFSS

CST Microwave

HSPICE

MatLab

ADS

Ansys Designer

Job description

Location: Nashua, NH Department: Engineering Posted: 9/21/2026 Location Name: HSIO-Nashua

Wage: Depends on Experience

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: Senior Signal Integrity Engineer

Location: Nashua, NH

Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile Networks, Storage, Servers, Routers, Switches, etc.). Our products help to enable the electronics revolution and remain a key enabler for all the major Tier 1 OEMs globally. Our global headquarters are located in Nashua, NH and we have design, sales and manufacturing locations globally. We are currently seeking a Senior Signal Integrity Engineer with our HSIO Connectors Team. The position will be located in Nashua, NH.

Responsibilities

• Design, simulation, characterization, and application of high speed electrical connectors and cable-based interconnects
• Component development as well as customer support on new product introduction
• Contribute to an established team of dedicated signal integrity engineers and engineers of other disciplines
• Share knowledge and pursue continuous improvement in methods and workflows
• Collaborate multi-disciplinary teams in the development of next generation high speed I/O interconnect products
• Assist with providing solutions to customers across a wide range of sectors with their high speed data transmission requirements
• Support the internal Sales Engineers to develop strategies for product break-in at existing and new accounts based on signal integrity and electrical engineering expertise
• Identify and resolve signal Integrity issues in PCB layout
• Design, build, and measure circuit boards for the measurement and verification of products
• Apply circuit theory and high-speed digital transmission, PCB layout principles for high-speed digital design

Qualifications

• BS in Electrical Engineering, MS/PhD in Electrical Engineering is preferred
• 5+ years of industry experience with an understanding of electro-magnetic principles for digital signal integrity
• Experience in component design and application of high speed connectors into communications equipment is a plus
• Experience with signal integrity measurements and debugging with TDR,VNA, pattern generators, error detectors and similar measurement equipment
• Experience with signal integrity and simulation/analysis tools such as Ansys HFSS and Designer, CST Microwave, HSPICE, MatLab, and ADS
• Hands-on experience with frequency-domain and time-domain components and circuit characterization including understanding of test and calibration methods

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/