careers

Join a team that’s
making a difference.

At Iontra, we’re making our planet greener, and making the electrification transition faster, more affordable and a reality!

Open Positions

Iontra is committed to a work environment defined by respect, integrity, and collaboration. We’re a data-first organization that believes in transparency and scientific truth. If you believe in our mission and values, and see a role that’s a good fit, we would love to hear from you.

Iontra Inc

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 Battery Analytics and Testing Team at Iontra is seeking a Battery Scientist who will play a key role in implementing Iontra’s proprietary charging algorithms by designing, executing, and analyzing experiments that drive improvements in battery performance. This role is responsible for leveraging advanced electrochemical methodologies to identify charge time, cycle life, and safety improvements for a wide range of battery chemistries, form-factors, and applications. The ideal candidate will have a strong background in Li-ion batteries, electrochemistry, and materials characterization, with hands-on experience in experiment design, cycling equipment, and statistical methods such as DOE. This position offers a unique opportunity to directly influence product development and customer engagement while contributing to the next generation of energy storage technologies.

What You’ll Be Doing:

Utilize advanced R&D methodologies to identify potential improvements in battery cycling.
Design and execute long-term cycling experiments to generate robust, reliable datasets.
Interpret electrochemical data to derive actionable conclusions and inform product development.
Perform advanced data analysis and modeling to support experimental findings.
Analize battery material characterization data to assess structural, chemical, and performance-related properties, and integrate findings into overall electrochemical analysis.
Collaborate closely with the R&D team to enhance Iontra’s technology and optimize processes for improved performance and scalability.
Prepare clear, detailed reports and presentations to communicate results internally and externally.
Deliver technical presentations to customers, supporting product adoption and technical collaborations.

You’ll Need These Qualifications:

PhD in a hard science field or Masters in a hard science field with 2+ years of non-academic experience
Rechargeable battery experience: 3 years
Electrochemical and materials characterization: 3 years
Strong background in Li-ion battery systems and electrochemistry.
Hands-on experience with designing cycling experiments and long-term testing.
Familiarity with Design of Experiments (DOE) methodology.
Expertise in battery material characterization techniques.
Experience with laboratory cycling equipment such as Neware and Maccor systems.
Proven ability to analyze complex datasets and communicate findings clearly.
Excellent written and verbal communication skills, including customer-facing presentations.

Desired Qualifications:

Formal DoE methodology: 1 year (nice to have)
Applied research: 4 years (preferred)
Design and conduct independent “ad hoc” experiments: 3 years (preferred)
Coding experience

Benefits and Compensation:

Salary Range: $90,000- $110,000 (salary is based on education, experience, skillset, and market value).

We offer the following benefits package:

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

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.

Apply

Company Overview

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. The 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:

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.

Desired Qualifications (or ability to develop)

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.

You’ll love this job if you:

Are driven to be part of a team doing big things to help our planet.
Aspire to work with a successful veteran startup management team.
Are a self-starter and always find ways to get your work done and help team members.
Are an organized, detail-oriented person being very good at time management.
Are determined and resilient to keep things moving forward at a startup pace.
Are assertive and able to influence and partner with the team to get things done.
Enjoy new challenges and change.

Benefits and Compensation:

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

We offer the following benefits package:

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

Apply

Big leaps require big
thinkers and big doers.

You will find this culture at Iontra. All of us working with a shared vision to expand the use of batteries in products large and small. We act with urgency, because the faster the world adopts Iontra technology, the faster we all take meaningful steps toward a more sustainable future.

Our beliefs

Make big things happen.

We want to make a transformative change. Instead of incrementally improving the world around us, we are enabling bigger leaps by our customers. This passion is the lifeblood of Iontra and continues to drive significant innovation from our team.

Embrace radical truth.

We only make statements backed by scientific truth, tested in a cauldron of extreme skepticism. Identifying real versus theorized boundaries enables us to question everything and find solutions that get overlooked.

Be respectful, kind, and helpful.

There is nothing more important to us than maintaining a deep respect for people, new ideas, cultures, and the environment at large. We’re all learning every single day. Being humble and extending kindness to others is something that brings us closer and drives greater success!

Act with urgency and integrity.

New ideas and solutions that can benefit a lot of people have an underlying urgency: an urgency to be shared, to be utilized, and to be adopted. We value such urgency without compromising on our inherent scientific approaches.

Respect the environment.

It is our moral obligation to respect, value, and protect our environment for all future generations to come. This mindset of positive environmental impact drives our decisions.