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Join to apply for the Firmware Engineer - HSIO Cables role at Amphenol Communications Solutions Continue with Google Continue with Google 3 days ago Be among the first 25 applicants Join to apply for the Firmware Engineer - HSIO Cables role at Amphenol Communications Solutions Location: Nashua, New Hampshire Department: Engineering Posted: 6/30/2025 Location Name: Nashua Wage: Depends on Experience 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 main 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 Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Appliances, Electrical, and Electronics Manufacturing Referrals increase your chances of interviewing at Amphenol Communications Solutions by 2x Get notified about new Firmware Engineer jobs in Nashua, NH . 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