Firmware Engineer - HSIO Cables

Amphenol Communications Solutions; Nashua (NH); On-site; USD 90,000 - 120,000; Full time

Job summary

Amphenol Communications Solutions (ACS) in Nashua, NH is expanding its software team and seeking a Firmware Engineer for High Speed Cables. The role focuses on firmware for active and passive cable products, including CMIS interfaces, with on-site work in Nashua.

Responsibilities include design, debugging, and supporting firmware across product qualification and manufacturing, and mentoring teammates. Strong I2C and ARM experience required, with global team collaboration.

Qualifications

• BS in Computer Science or Computer Engineering with 5+ years of firmware development experience.
• Experience with ARM Cortex-M0/M0+ and embedded subsystems.
• Strong understanding of I2C, including debugging and bit-banged buses.
• Experience designing host interfaces for I2C Slaves and CMIS-like interfaces.
• Proficient in SWD debugging and source control practices.
• Able to work in a collaborative, code-sharing environment with peer reviews.
• Regular code check-ins using a version control system.
• Excellent English reading and writing skills; self-starter and curios
• Willingness to travel to manufacturing plants as needed.

Responsibilities

• Design, develop, debug, and support firmware for high-speed cables and loopback products.
• Contribute to product teams turning concepts into manufacturable hardware.
• Provide firmware support for qualification, testing, and manufacturing stages.
• Collaborate with manufacturing applications developers.
• Mentor teammates as needed and document firmware for support.
• Visit manufacturing plants during ramp-up as required.

Skills

Firmware development

ARM Cortex-M0

I2C interface

I2C Slaves

SWD debugging

Team collaboration

Version control

English skills

Self-motivated

Problem solving

Education

BS in Computer Science or Computer Engineering

Tools

Keil

SVN

Visual Studio

Linux

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.

Title: Firmware Engineer - High Speed Cables

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 expanding our team software team. We are currently seeking a Firmware Engineer for High Speed Cables to join our team. The position is located on-site, in Nashua, NH.

Our collaborative software team develops firmware, manufacturing applications, and various specialty software tools for our hardware engineering teams. The focus of this position is on firmware that goes into our various cable and thermal loopback products, including active copper, passive copper and active optical. This area is rapidly evolving to support ever more complex communication chips, including DSPs, as well as richer host interfaces, notably CMIS.

Responsibilities

• Design, develop, debug and support of firmware for active high speed IO cables and thermal loopbacks. This includes working with customers as well as manufacturers of communication chips chosen
• As a key firmware resource, be contributing member of product teams that turn high speed IO cable concepts into products that then get handed off to manufacturing.
• Provide engineering support to team members working on fine tuning of communication settings by opening up back doors or interfaces as needed.
• Work hand-in-hand with developers responsible for manufacturing applications
• Provide firmware support to product qualification, testing, and manufacturing
• Mentor other members as needed
• Ensure that all firmware is well documented and can be supported by other team members
• Visit Amphenol manufacturing plants during product ramp up, as needed

Qualifications

• BS in Computer Science or Computer Engineering and 5+ years of industry experience with firmware development on bare metal or equivalent
• Hands on experience with ARM Cortex-M0/M0+ and embedded solutions from sub 32KB of Flash and up, including the use of GPIO pins, ADCs, Interrupts.
• Good understanding of I2C, including how to debug and support a bit-banged bus
• Experience in developing page-based host interfaces for I2C Slaves, such as is used by Small Form Factor devices or CMIS
• Working knowledge of SWD style debugging
• Comfortable working in a team that shares code and with peer reviews of code
• Hands-on experience with source code control systems, including a habit to make regular check-ins
• Excellent interpersonal communication skills, strong English reading and writing ability
• Self-starter, able to work efficiently without having all details or requirements laid out on the table
• Dynamic and adaptable personality, able to think out of the box

Preferred Qualifications

• Work experience in multi-disciplinary engineering teams
• Accustomed to working in a global, hybrid environment, using tools such as Teams and Zoom
• Experience with I2C and SPI buses
• Experience working with a logic analyzer
• Understanding of Signal Integrity theory and practice
• Familiarity in working with low level hardware interfaces and reading chip data sheets
• Experience working with high-speed communication equipment, including knowledge about SFF standards
• Working experience with Digital Signal Processors
• Experience working with prototype hardware and lab settings
• Ability to improvise testing setups with bread boards and jumpers
• Hands on experience with Keil
• Working knowledge of C8051 8-bit MCUs
• Comfortable working in C++, preferably using Visual Studio
• Experience using SVN
• Familiarity with Linux and traditional command line interfaces

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/