Product Reliability Engineer II

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Longmont, CO, US

8 days ago Requisition

Salary Range: $ To $ Annually

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 Reliability Engineer II is responsible for developing and maturing SENS's product reliability program through field performance analysis, failure investigation, corrective action leadership, and reliability data management. This role serves as the technical authority for product reliability, transforming field failure data into actionable improvements across engineering, manufacturing, supplier quality, and customer support functions.

• Develop and maintain reliability metrics including field failure rates, warranty performance, MTTF, MTBF, and reliability growth indicators.
• Establish systems and processes for collection, analysis, and reporting of product reliability data.
• Lead the maturation of SENS's field failure analysis and corrective action processes.
• Develop reliability dashboards and reporting mechanisms to communicate product performance trends.
• Create and maintain a reliability knowledge database of failure modes and corrective actions.
• Recommend reliability improvement initiatives based on field and manufacturing performance data.
• Perform detailed electrical, firmware, battery system, and electromechanical failure analysis at the component, assembly, and system levels utilizing laboratory instrumentation and diagnostic equipment.
• Support investigation of firmware-related field failures through collaboration with software and firmware engineering teams.
• Provide training, mentorship, and technical guidance to Supplier Quality, Production, and Engineering personnel.

• Bachelor’s degree (or higher) in engineering or similar technical discipline.
• 5+ years experience with industrial power conversion equipment, battery systems, power electronics, telecom power systems, UPS systems, chargers, or related products.
• Strong analytical and problem-solving abilities with keen attention to detail.
• Proficient in data extraction, analysis, reporting, and documentation with effective verbal and written communication skills using a variety of platforms.
• Skilled in multitasking, time management, and prioritization.
• Knowledge of preventive and corrective action methodologies (e.g., 8D, A3).
• Experienced with SPC and quality improvement tools such as Pareto Analysis, Histograms, Scatter Diagrams, 5 Whys, 5W2H, and Fishbone Analysis.
• Proficient in Microsoft Office Suite, with advanced skills in Excel, and experience using Visio (or equivalent), Teams, SharePoint, Power Automate, Power Apps, and Power BI (or equivalent).

• Familiarity with IPC-A-610 PCBA workmanship standard.
• Familiarity with reliability engineering principles including Weibull analysis, reliability growth, and accelerated life testing.

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

Base Compensation: $100,000 - $115,000 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: August 1st. 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.

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