Product Reliability Engineer III in Longmont, Colorado at Stored Energy Systems

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.

View the SENS Product Catalog

Summary

The Senior Product Reliability Engineer III leads the strategy, governance, and continued maturation of SENS's product reliability program. This role serves as the senior technical authority for product reliability, translating field, warranty, manufacturing, supplier, and test data into enterprise priorities and measurable product improvements. The position drives cross-functional corrective action, influences product and technology roadmaps, develops technical capability across the organization, and provides leadership with clear assessments of reliability performance, risk, and investment needs.

Responsibilities

• Own the product reliability strategy, multi-year roadmap, governance model, and annual priorities, aligning reliability investments with business, customer, and product objectives.
• Serve as SENS's senior technical authority for product reliability and advise leadership on field performance, emerging risks, corrective action status, and resource priorities.
• Define and maintain reliability requirements, targets, and acceptance criteria for new and sustaining products, influencing architecture, design reviews, qualification plans, release readiness, and lifecycle decisions.
• Establish and govern reliability metrics, including field failure rates, warranty performance, MTTF, MTBF, reliability growth, and corrective action effectiveness.
• Lead systems and processes for collecting, validating, analyzing, and reporting field, warranty, manufacturing, supplier, and test data; translate trends into strategic priorities and executive-level dashboards.
• Lead cross-functional failure review and corrective action processes, driving timely containment, root-cause determination, corrective and preventive actions, effectiveness verification, and organizational learning.
• Prioritize and lead reliability improvement programs across Engineering, Manufacturing, Supplier Quality, Customer Support, and external partners; develop risk assessments, business cases, implementation plans, and resource recommendations.
• Direct complex electrical, firmware, battery system, and electromechanical failure investigations at the component, assembly, and system levels using laboratory instrumentation and diagnostic equipment.
• Establish and guide reliability test strategies, including accelerated life testing and reliability growth testing, and use results to validate design decisions and corrective actions.
• Develop and maintain the reliability knowledge base, standard methods, design guidelines, and lessons learned for reuse across product families.
• Mentor engineers and technical personnel, lead technical reviews, and build organizational reliability capability through training, coaching, and clear decision-making frameworks.
• Represent reliability in product portfolio, technology, and operational planning, and recommend staffing, laboratory, tooling, and capital investments needed to achieve reliability objectives.

Required Qualifications

• Bachelor’s degree (or higher) in engineering or similar technical discipline.
• 5+ years of progressively responsible experience in product reliability, quality, design, test, or failure analysis within industrial electronics or battery systems company.
• Demonstrated experience leading cross-functional reliability, field failure analysis, and corrective action programs with measurable results.
• Effective technical leadership, mentoring, problem-solving, and written and verbal communication skills.

Preferred Qualifications

• Familiarity with IPC-A-610 PCBA workmanship standard.
• Advanced knowledge of reliability engineering principles and methods, including Weibull analysis, reliability growth, accelerated life testing, design of experiments, and FMEA.
• Experience establishing reliability program governance, product lifecycle decision criteria, laboratory strategy, or capital and resource plans.
• Proficiency in Microsoft Office Suite, with advanced Excel skills, and experience using Visio (or equivalent), Teams, SharePoint, Power Automate, Power Apps, and Power BI (or equivalent).

Location: This position is located on-site in Longmont, CO.

Base Compensation: $103,000 - $146,000 is the projected range of annual base salary for this role depending on the candidate’s overall qualifications and experience.

Bonus: This position is eligible for an annual bonus based on individual and company performance.

Closing Date: October 19th. 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.

Onsite Perks

• Free gym with 24/7 access
• Free Electric Vehicle charging
• Breakfast and Lunch Café
• After hours Grab & Go snacks
• Basketball court
• Walking paths

Benefits

• Paid Time Off
• Paid holidays
• Medical insurance
• Dental insurance
• Vision insurance
• Short-term and long-term disability
• Life insurance
• 401(k) plan with immediate vesting
• Employee referral program

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.

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 qualification listed in this job description, we still encourage you to apply.