Senior Application Engineer

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This range is provided by Stored Energy Systems LLC (SENS). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range: $/yr - $/yr

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

The Senior Application Engineer is a critical contributor to the SENS sales team. They review technical requests for quotation and prepare accurate technical and commercial proposals. This position supports our industrial power business focusing on electrical switch gear, substation, and oil and gas power and energy storage projects. The role provides direct customer interaction supporting customer projects, applications, and technical inquiries, and focuses on providing prompt, clear, and accurate technical guidance while building customer trust and maximizing sales opportunities.

• Read and understand customer requests for quotation.
• Review project bid specifications.
• Document clarifications, deviations, and exceptions.
• Conduct project scope analysis.
• Solution customer projects with applicable solutions and technologies.
• Specify and quote projects in collaboration with the sales manager.
• Provide technical customer guidance.
• Provide training and advice to external and internal parties.
• Maintain an exceptional level of customer responsiveness and service both to SENS sales staff and to customers both internal and external.
• Create conceptual designs (typically one‑line diagrams) for discussion with customers.
• Maintain reports and logs as designated for the job and sales manager.
• Become company expert in sizing and specifying power systems.

• 7+ years of relevant experience.
• Strong understanding of electrical, electronic, and mechanical concepts.
• Working knowledge of power conversion, batteries, and electrical distribution systems.
• Proficient in Microsoft Office applications, including Word, Excel, PowerPoint, and Visio.
• Excellent verbal and written communication skills, with proven ability to interact directly with customers.
• Positive, professional, customer focused, and revenue minded.
• Able to work well with others in a team / matrix environment.
• Organized, accurate, and detail oriented.
• Ability to work independently with little supervision.
• Demonstrated business productivity in a technical environment preferable in industrial power systems.
• Experienced with direct customer technical interaction.
• Ability to travel up to 10% of the time.
• Ability to lift up to 30 pounds.

• Technical degree in electrical or mechanical engineering.
• Experience preparing technical response to RFQs.

This position is located in Longmont, CO.

Compensation for this role includes base pay plus variable pay (commission) for a total on‑target earnings (OTE). OTE is calculated as the annual base salary plus the projected annual commission at 100% quota attainment. The base salary range for this position is $85,000 - $100,000 with the opportunity to earn variable commission at 100% quota attainment for a total on-target earnings (OTE) range of $105,000 - $125,000.

December 31st. 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,…