NPI Test Engineer IV

Stored Energy Systems LLC (SENS); Longmont (CO); On-site; USD 130,000 - 160,000; Full time

Benefits offered by this job

Free gym with 24/7 access

Free electric vehicle charging

Breakfast and lunch café

After-hours grab & go snacks

Basketball court

Walking paths

Job summary

Stored Energy Systems LLC (SENS) in Longmont, CO is looking for a self-motivated New Product Introduction (NPI) Test Engineer to join their engineering team. The successful candidate will develop test plans, calibrate products, and analyze test data to enhance product reliability before mass production.

Candidates should possess a Bachelor's degree in Electrical Engineering, with over 8 years of relevant experience in test and manufacturing environments. The position promises a robust compensation package of $130,000 - $160,000 annually, plus bonuses and generous onsite perks.

Qualifications

• 8+ years of experience in Manufacturing Test Engineering or equivalent.
• Proven experience supporting product test through production qualification.
• Experience with Design for Test (DFT) review.

Responsibilities

• Develop new product test plan and instructions for production.
• Write software functions for product calibration and testing.
• Facilitate new product hand-off to Production.
• Analyze test data to improve product design.

Skills

NPI

Manufacturing Test Engineering

Root cause analysis

Software programming

Problem solving

Education

Bachelor’s degree in Electrical Engineering or equivalent

Tools

Voltmeters

Data acquisition systems

C#

Job description

Overview

SENS is seeking a self‑motivated New Product Introduction (NPI) Test Engineer to join our engineering team. This individual will work with Engineering and Production to test and release new products, ensuring manufacturing readiness and the highest level of reliability and continuous flow of manufactured product without defects.

Responsibilities

• Develop new product test plan and instructions for the Production environment to ensure products are tested correctly every time.
• Write software functions used to calibrate, configure and test products in Production.
• Facilitate new product hand‑off to Production including test instructions, test equipment design and configuration, and manufacturing test operator training.
• Develop fixturing to support test in Engineering, Production and at vendor facilities.
• Develop customer‑facing product test records.
• Collaborate in planning and prioritization for test plan creation, design, implementation, and execution phases.
• Occasionally support Engineering new product validation team to ensure product operates according to specifications.
• Analyze test data to identify patterns, detect anomalies, and provide insights to improve product design.

Required Qualifications

• Bachelor’s degree in Electrical Engineering, Computer Engineering or equivalent in a technical field of study.
• 8+ years of experience in NPI, Manufacturing Test Engineering, Product Industrialization, or Production Engineering.
• Proven experience supporting product test from design release through pilot builds, production qualification, and full‑scale manufacturing.
• Experience leading manufacturing readiness activities, production ramps, and product launch coordination across Engineering, Manufacturing, Quality, Supply Chain, and Operations.
• Strong Design for Test (DFT) review experience.
• Experience identifying manufacturing defects risks, driving issue resolution, and implementing corrective actions during product launches.
• Proven ability to investigate failures, perform root cause analysis, validate corrective actions, and support troubleshooting efforts.
• Experience working and communicating with test equipment such as voltmeters, data acquisition systems, o‑scopes, load banks and similar instruments to make manual and automated measurements.
• Experience with software programming and basic ability to develop functions and read and step through code to determine where issues exist.
• Ability to read and understand electrical schematics and mechanical part drawings.
• Excellent problem‑solving, decision‑making, communication (written and verbal), and interpersonal skills for articulating technical approaches and progress to both technical and non‑technical audiences.

Preferred Qualifications

• Experience in test and/or new product introduction in a manufacturing environment.
• In‑depth knowledge of critical power genset backup, charger/battery systems or battery monitoring.
• Advanced software programming knowledge and experience in C#.

Location

Longmont, CO (On‑site)

Base Compensation

$130,000 - $160,000 per year, depending on qualifications.

Bonus

Eligible for an annual bonus based on individual and company performance.

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, 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.