Embedded Firmware Engineer at Stored Energy Systems

Longmont, Colorado, United States -

Full Time

Start Date

Immediate

Expiry Date

16 Jan, 26

Salary

145000.0

Posted On

18 Oct, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Embedded Firmware, Battery Management, Microcontrollers, C, C++, BASH, UART, I2C, SPI, CAN, Testing, Power Electronics, Linux, IoT, SNMP, MODBUS, DNP3

Industry

electrical;Appliances;and Electronics Manufacturing

Description

Who We Are Stored Energy Systems (SENS) is an award-winning manufacturer of premium quality power conversion products located in Longmont, CO. In business for over 50 years, SENS is the market leader with a proven track record of providing highly reliable battery chargers, DC power systems, and related products to industrial markets. For more information on our company please see our web site at www.sens-usa.com [http://www.sens-usa.com/]. Summary We are looking for a self-motivated Embedded Firmware Engineer to join our growing company. This individual will help design and develop battery monitoring and management systems for industrial battery chargers, inverters and DC back-up power systems. This person will be involved from concept investigation and design, through successful production launch and support of these products. Responsibilities * Participate in the full life cycle of product development including requirement definition, design, implementation, test, and maintenance. * Develop, enhance, and maintain product firmware for system controllers, sensors, and accessories for power systems and battery monitors with embedded microcontrollers. * Perform required testing for design verification, and system integration to ensure performance and reliability under all operating conditions. * Specify and design production tests and equipment to support the introduction of new products into production. Required Qualifications * Bachelor’s degree (or higher) in electrical engineering, computer engineering, or related field. * 7+ years of relevant engineering experience. * Strong engineering fundamentals in development and testing with microcontroller-based embedded systems. * Mastery of computer programming and scripting languages (C, C++, BASH). * Knowledge of board level communications (UART, I2C, SPI, CAN, etc.). * Experience using lab test equipment such as high-speed digital scopes, power supplies, electronic loads, voltmeters, and logic analyzers. * Self-starter and deadline driven with an emphasis on releasing application features to the end customer. Preferred Qualifications * Experience taking a design from concept into volume production. * Experience with IoT protocols like MQTT. * Experience with Zephyr. * Experience working in Linux development environments. * Experience with power electronics and analog sensors. * Experience with the following protocols: SNMP, MODBUS, DNP3, IEC61850. * Knowledge of TCP/IP networking concepts. Location: This position is located on-site in Longmont, CO with the opportunity to work a hybrid schedule once fully trained. Base Compensation: $100,000- $145,000 is the projected range of annual base salary for this role depending on the candidate’s overall qualifications and experience. Closing Date: November 30th. While we expect to keep the position open through this date, the posting may be extended or closed early based on applicant volume and hiring needs. We offer an exciting and competitive total compensation package designed to inspire! This includes generous paid time off, holidays, as well as comprehensive benefits including medical, dental, vision, short-term disability, life insurance, and an outstanding 401k matching program where employees are instantly vested. At SENS, our culture is rooted in a set of core values that reflect who we are and how we work. In a recent 2025 poll, our employees identified the values that best define us: “Innovative”, “Respectful”, “Inviting”, “Flexible”, “Collaborative”, and “Growth Driven”. Our team describes us as a dynamic, forward-thinking company where everyone has the opportunity to thrive. At SENS, we pride ourselves on being an equal opportunity employer, fully dedicated to fostering inclusion and diversity. We welcome all applicants, regardless of race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, age, disability, veteran status, or any other legally protected characteristic. We hope you're interested in making a difference with us. Even if you don't feel that you meet every requirement listed in this job description, we still encourage you to apply.

Responsibilities

The Embedded Firmware Engineer will participate in the full life cycle of product development, including requirement definition, design, implementation, testing, and maintenance. They will develop and maintain firmware for system controllers and battery monitors, ensuring performance and reliability.