Software Development Test Engineer SDET

Job Description

Job 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.

Summary

We are looking for an experienced Software Development Engineer in Test (SDET) to join our engineering team. The SDET will be responsible for designing, developing, and maintaining an Automated Testing Framework from front-end to backend, ensuring the highest levels of reliability and performance of our line of Industrial Battery Charging products and solutions. Experience and skills in software development lifecycle, software architecture design, object-oriented design, programming, and understanding of software testing methodologies, are essential to the successful test and verification of SENS product line.

Responsibilities

• Contribute design and development of an Automated Test Framework used to verify Charger Products and Solution functions.
• Collaborate with the Engineering team to identify Product Test Case requirements.
• Collaborate in project planning and prioritization for Test Plan creation, design, implementation, and execution phases.
• Design and develop Test Cases and Test Suites corresponding to Test Plan requirements that meet hardware and firmware specifications, and quality standards.
• Monitor and report on automated test coverage to stakeholders.

Required Qualifications

Preferred Qualifications

Location : This position is located in Longmont, CO with the opportunity to work a hybrid schedule once fully trained.

Base Compensation : $120,000 - $145,000 is the projected range of annual base salary for this role depending on the candidate’s overall qualifications and experience.

Closing Date : February 28th. 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.