Firmware Engineer III (Power Electronics)

Acumentrics

Walpole, MA

Acumentrics is seeking a Firmware Engineer III, to play a crucial role in ensuring the stability and quality of our power electronics systems. Working closely with our hardware and manufacturing teams, the Firmware Engineer III will be the primary owner of firmware for our released products, focusing on maintenance, bug resolution, and production support for our rugged uninterruptible power supplies (RUPS). You will also drive the development of our lab capabilities by developing automated test procedures.

This position is ideal for a motivated engineer with a background in computer engineering who is passionate about embedded systems and is eager to build deep product expertise while growing their skills in test automation. You will be expected to operate independently, lead moderately complex projects, contribute to team efficiency, and provide guidance to peers.

Firmware Engineer III Job Qualifications

• Bachelor’s degree in computer engineering, electrical engineering, mechatronics engineering, or a related field
• 5-7 years of experience in embedded systems development
• Proficiency in the C programming language for microcontrollers
• Experience developing automated test systems using National Instruments LabVIEW
• Hands-on experience with lab equipment, including oscilloscopes, multimeters, and logic analyzers
• A fundamental understanding of microcontroller architecture and common peripherals (e.g., GPIO, UART, SPI, I2C, ADC)
• Strong analytical and problem-solving skills with a detail-oriented mindset
• A basic understanding of power electronics concepts (e.g., DC/DC converters, inverters)

Preferred Qualifications

• Experience with a scripting language, particularly Python for test automation
• Familiarity with version control systems, especially Git
• Exposure to communication protocols like CAN bus or RS485
• Familiarity with Linux

Why you should apply

• Competitive salary paired with comprehensive benefits
• Tuition reimbursement to assist with developing skills and professional goals
• 401(k) retirement plan with a generous company match

Firmware Engineer III Job Responsibilities

• Investigate, diagnose, and resolve firmware defects reported from the manufacturing floor or the field
• Write, debug, and integrate targeted firmware fixes in C for existing product lines; manage the bug-tracking process
• Design and build automated test solutions using National Instruments LabVIEW
• Develop and execute comprehensive test plans and procedures to validate firmware fixes and product updates
• Act as the primary firmware resource for the manufacturing team; troubleshoot firmware-related issues on the production line
• Maintain production test fixtures and programming tools
• Assist hardware engineers with functional verification of updates and revisions to existing printed circuit board assemblies (PCBAs)
• Utilize lab equipment such as oscilloscopes, logic analyzers, and power supplies to perform debugging and validation tasks
• Clearly document code changes and contribute to technical specifications, test reports, and release notes; practice use of version control systems like Git

About Acumentrics (www.acumentrics.com)

Headquartered in Walpole, Massachusetts, Acumentrics has been a trusted market leader in critical power solutions used in military and commercial applications, since 1994. Ruggedized Uninterruptible Power Supplies, (“RUPS™”), provide power, conversion, conditioning, and battery backup when reliability is mission critical. Acumentrics, is a strategic supplier of US-made Mil Std Certified COTS Power Solutions to many of the world’s largest defense contractors and rugged industrial OEM’s who depend on power assuredness under any condition.

Leveraging our power expertise, Acumentrics also provides hand carried smart portable power solutions and power distribution units (“PDU”) that meet the demands of the rapidly growing mobile/remote markets such as, Soldier Worn, Telemedicine, Telehealth, First Responders, Disaster Relief or anyone needing a smart portable, compact solution. These hardware and software solutions allow the user to remotely control the power distribution and circuit protection levels along with monitoring other electrical system characteristics using an Acumentrics proprietary software application.

Acumentrics engineering and manufacturing teams are experts at delivering the highest quality Total Power Solutions, especially when quality power is mission critical under extreme harsh conditions.

Acumentrics is an equal opportunity employer, dedicated to building an inclusive and diverse workforce.