Test Engineer I

ABSL Space Products, a division of EnerSys Advanced Systems, is the world’s leading manufacturer of lithium-ion batteries for space applications. From our Longmont, CO facility, our team designs advanced lithium-ion battery systems to meet the extreme demands of space travel. Our batteries power cutting-edge spacecraft and launch vehicles, driving innovation in space exploration, scientific discovery, and beyond.

At ABSL, we maintain a tight-knit, collaborative culture where employees enjoy the small-company feel while benefiting from the resources and stability of EnerSys, the global leader in stored energy solutions. As we continue to grow, we’re looking for talented individuals who share a passion for space and power technologies to join our dynamic team.

Certain positions at EnerSys Advanced Systems require access to information or technology that is subject to the International Traffic in Arms Regulations (ITAR) and other U.S. government security regulations. Candidates for these positions should be a “U.S. Person” under ITAR (U.S. citizen, lawful permanent resident, or a refugee/asylee) and/or otherwise comply with ITAR requirements for access rights to be considered for a position.

What We Offer:

• Generous Time Off – 3 weeks of paid time off, plus 11 paid holidays
• Comprehensive Benefits – Medical, dental, and vision coverage for employees and dependents at a discounted rate
• Financial & Career Growth – Life insurance, short-term disability, educational reimbursement, flexible spending accounts, and an employee stock purchase plan
• 401(k) Matching – 100% match at a 6% contribution level
• Flexible Schedule – 9/80 work schedule (9-hour days Monday–Friday, with every other Friday off – meaning a 3-day weekend every other week!)
• Innovative & Collaborative Culture – Be part of a smart, high-performing, and passionate team that values creativity, diverse backgrounds, and an inclusive environment
• Great Location – Our Longmont, CO office is conveniently located right off the Diagonal Highway
  
  

At ABSL, we don’t just build batteries—we power missions that push the boundaries of what’s possible. If you're excited about working in an innovative, fast-paced environment where your contributions make a real impact, we'd love to hear from you!

Compensation Range: $74,000 - $92,300

(Compensation may vary based on applicant's work experience, education level, skill set, and/or location.)

Learn More About ABSL

Job Purpose

As a Test Engineer at ABSL Space Products, you will play a key role in advancing space power solutions by supporting the planning, development, and execution of critical test programs. You will collaborate closely with multidisciplinary teams to ensure reliable performance of advanced battery and cell technologies used in space applications. This role is ideal for engineers early in their career who are eager to gain hands-on experience in a fast-paced, innovative, and growing international aerospace organization.

Essential Duties And Responsibilities

• Plan, develop, and execute test activities for space battery and cell technologies, with emphasis on mechanical, electrical, and thermal testing.
• Serve as the responsible engineer during the testing phase, ensuring test integrity and compliance with customer and program requirements.
• Translate customer specifications into clear, accurate test processes and procedures, enabling technicians to perform tests efficiently and safely.
• Participate in design reviews, program meetings, and technical discussions, representing the test function and ensuring alignment with program goals.
• Collect, analyze, and present test data; generate detailed test reports and concise summaries for internal and customer review.
• Contribute to anomaly investigations, troubleshooting efforts, and continuous process improvements.
• Provide occasional off-hours or weekend support, as required by program schedules.
• Perform additional duties as assigned by the Test Manager.
  
  

Qualifications

• Bachelor’s degree in Engineering, Physics, Mathematics, or related technical field (Electrical, Aerospace, and Mechanical Engineering preferred).
• 0–1 years of relevant engineering or test experience.
• Strong written and verbal communication skills, with the ability to work effectively in cross-functional teams under strict deadlines.
• Proficiency in Microsoft Office tools (Word, Excel, PowerPoint, Outlook), including advanced Excel skills for data analysis and reporting.
  
  

Preferred Qualifications:

• Hands-on experience in aerospace test environments, particularly mechanical, electrical, or thermal testing.
• Familiarity with lithium-ion batteries and their performance characteristics.
  
  

General Job Requirements

• Generic
  
  

EnerSys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

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