Firmware Engineer

We are seeking a highly skilled Firmware Engineer to join our innovative team. This role involves developing embedded firmware to support a filtration board project. You will play a crucial role in ensuring the accurate measurement of differential pressure drops around water filters, helping to determine when a filter needs replacement.

• Develop and diagnose firmware from the ground up in a C/C pure embedded environment.
• Utilize FreeRTOS for embedded systems development.
• Engage in BLE development, including board bring-up and troubleshooting.
• Validate board functionality and ensure reliability through testing.
• Collaborate with hardware engineers to troubleshoot and enhance board performance.
• Support software over-the-air (OTA) updates via Bluetooth pairing.

• Bachelor's degree in Computer Engineering, Electrical Engineering, Software Engineering, or a related technical field.
• 5 years of experience in embedded firmware development using C or C .
• Experience with embedded RTOS and bare-metal development.
• Proficiency in serial communication protocols such as UART, SPI, and I2C.
• Experience in ARM-based microcontrollers, especially Silicon Labs BGM240 or EFR32 family.
• Understanding of automated test frameworks like NUnit.

• Experience in Modbus RTU/TCP is preferred.
• Familiarity with board layout and design.
• Knowledge of Agile development methodologies.
• Experience with embedded file systems, system controls, and embedded Linux.
• Ability to work independently and manage multiple tasks efficiently.

This position is 100% onsite in MN and involves working closely with both local and remote teams. The role requires a fast-paced, innovative engineering environment focused on developing high-technology solutions. The firm encourages collaboration and offers the opportunity to work on cutting-edge projects. The dress code is casual, and the company culture promotes a strong work-life balance.

This is a Contract position based out of Saint Paul, MN.

The pay range for this position is $45.00 - $68.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Saint Paul,MN.

This position is anticipated to close on Dec 26, 2025.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

Salary : $45 - $68