Battery Algorithm Engineer

Company Overview

Founded in 2013, Iontra is a deep-tech Colorado-based fabless semiconductor and software solutions company that dramatically improves charge speed, cycle life, capacity utilization, cold weather charging, and safety of all Lithium batteries. The company has offices in Denver, CO, Dallas, Texas, and Bangalore, India. To learn more, visit iontra.com. This is a full-time, hands-on role in a fast-paced startup environment.

Position Summary

The Algorithm R&D Group at Iontra is seeking a Battery Algorithm Engineer with strong expertise in electrochemistry, mathematical modeling, and algorithm development for lithium-ion and emerging battery technologies. This person will design, implement, and optimize charging, discharging, and state-estimation algorithms to advance Iontra's battery performance capabilities. This role requires hands-on data analysis, modeling, and simulation work, as well as collaboration with software, hardware, and test engineering teams to translate research outcomes into product-ready solutions. Your work will directly impact Iontra's mission to deliver safer, faster-charging, and longer-lasting batteries for applications ranging from consumer electronics to electric vehicles and grid storage.

What You'll Be Doing

• Further develop lithium-ion battery charging and discharging strategies within the company's existing algorithm framework and evaluate the impact of various strategies on battery aging.
• Collaborate closely with the embedded systems and software teams to enhance the fuel gauge (SOC / SOH) estimation algorithms within the company's established framework and integrate these algorithms with charging / discharging strategies into the battery management system (BMS) implemented on chips, to meet customer product requirements.
• Design and executed experiments with Iontra's battery cyclers (Deimos and Phobos) to validate algorithm performance.
• Optimize the company's existing cell characterization methods and extract and analyze large sets of test data.
• Work closely with cross-functional teams (Analytics, hardware, embedded software) to bring R&D concepts into production-ready code.
• Contribute technical documentation, patents and design reviews.

You'll Need These Qualifications

Desired Qualifications (or ability to develop)

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Benefits and Compensation

Salary Range : $140k - $155k (salary is based on education, experience, skillset, and market value).

We offer the following benefits package :

Iontra has an equal employment opportunity (EEO) policy that provides that no applicant or staff member will be discriminated against on the basis of gender, race, color, age, religion, marital status, pregnancy, veteran status, national origin, disability, or sexual orientation.

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