Iontra Inc · 2 months ago
Battery Algorithm Engineer
Iontra Inc is a deep-tech semiconductor and software solutions company focused on enhancing lithium battery performance. They are seeking a Battery Algorithm Engineer to design, implement, and optimize algorithms for battery charging and state estimation, collaborating with various engineering teams to translate research into product solutions.
BatteryElectronicsEnergy Storage
Responsibilities
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
Qualification
Required
MS or PhD in Electrical Engineering, Mechanical Engineering, Chemical Engineering, Applied Physics, or related field
2–5 years of experience in battery modeling, control algorithms, or related areas (academic or industry)
Strong understanding of battery fundamentals (electrochemistry, degradation mechanisms, thermal behavior)
Expertise in mathematical modeling and control theory applied to dynamic systems
Proficiency in MATLAB and Python for modeling, simulation, and algorithm development
Solid foundation in statistics and data analysis for experimental validation
Experience implementing and debugging algorithms using test equipment and large datasets
Familiarity with machine learning approaches applied to battery performance and lifetime prediction
Preferred
Experience with embedded systems (C/C++), real-time control, and firmware integration
Knowledge of Kalman Filters, Extended Kalman Filters, Particle Filters or advanced estimation methods
Exposure to AWS services (SageMaker, Lambda, Athena, Quicksight) for large-scale data handling
Strong communication and teamwork skills, including ability to present technical work to cross-functional teams
Benefits
Health Care Plan (Medical, Dental & Vision)
Life Insurance (Basic, Voluntary & AD&D)
Short Term & Long-Term Disability
Paid Time Off (Vacation, Sick & Holidays)
401(k) Retirement Plan plus company match
Company Shares Plan
Company
Iontra Inc
Iontra is a Denver-based battery charging technology company.
H1B Sponsorship
Iontra Inc has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (3)
2022 (1)
Funding
Current Stage
Growth StageTotal Funding
$127.15MKey Investors
Volta Energy TechnologiesARPA-E
2024-11-21Series C· $45M
2024-11-04Grant· $2.15M
2023-07-27Series B· $29M
Recent News
2025-11-04
PR Newswire UK
2025-06-26
2025-05-04
Company data provided by crunchbase