Senior Data Scientist

JOB TITLE: Consultant Data Scientist

STATUS: Exempt, 40 hours per week

LOCATION:  Madison, WI; Tucson, AZ; San Diego, CA; Washington, DC

*Remote candidates will be considered and will be required to travel to hub offices occasionally.

Job Summary

We are looking for a senior data scientist for a role that will blend hands-on data wrangling and modeling with team building, improving internal systems, and identifying opportunities and direction for our data science work. If you love data and want to turn data into actionable insights for our energy systems, this might be the role for you.

The Senior Data Scientist Will:

Be a data and modeling translator: The Senior Data Scientist will turn data into insight, analyzing why things happened and predicting what could happen in alternative scenarios. You’ll describe complex data and modeling concepts in writing and presentation formats to a wide audience and ultimately use data to inform critical client decisions.

Build a lasting infrastructure: The Senior Data Scientist will lead our team in making our code more efficient, solidifying code modules, implementing version control, and using consistent approaches to coding.

Coach and train our team: We have a growing team of beginning to intermediate data scientists. The Senior Data Scientist will help our team level-up their coding and analysis skills.

Immerse themselves in data problems: Sometimes the Senior Data Scientist will dive in and do the work, especially for complex new projects and methodologies.

Learn and learn some more: If you are not familiar with the energy industry, you will learn about the critical questions, methods, and approaches that are commonly used. But we do not want to stop there. Executive leadership will be looking to you to extend your and our knowledge of new approaches to bring to our thorniest problems.

Required Education

Bachelor’s degree or higher in relevant area of study such as statistics, mathematics, engineering, building science, or economics.

Required Qualifications

  • At least three years of professional experience in data science.
  • Proficiency in data science and statistical modeling.
  • Expertise with R, Python, SQL, or other programming languages to merge, clean, and model large and complex data sets.
  • Experience with project management to deliver exceptional on time and budget.
  • Experience leading teams, training, and coaching beginning data scientists.
  • Superior verbal and written communication skills, demonstrating clarity and conciseness and ability to explain complex data topics to a non-technical audience.
  • Curiosity and an ability to learn quickly and on-the-job; a love of researching new things, solving problems, finding bugs.
  • Demonstrated ability to prioritize effectively in the face of multiple and shifting priorities, with the ability to switch between complex analytical thinking and attending to routine tasks without compromising quality or losing one’s focus.
  • Demonstrated independent decision-making experience with solid judgment.


Collaboration is the minimum standard at ILLUME. Team members build trust through regular, open, and honest communication and by working together across the company to ensure the success of every project. By working together, we create the momentum to accomplish our company objectives and together attain exceptional results.

To Apply

Please submit a cover letter, resume, and writing or work samples to

In the subject line of your email, indicate the following:

Last name, First name_Senior Data Scientist

In your cover letter, provide us with: 

  • A sense of who you are by being honest, creative, and “yourself.”
  • Any experience with DEI in the workplace, and your own professional growth.
  • Please include your desired location (Madison, WI, Tucson, AZ, San Diego, CA, or Washington D.C.), or indicate if you wish to work elsewhere and how you will ensure collaboration and availability to your colleagues in a remote environment.

Expect that we will carefully review all materials, including your cover letter. Incomplete applications will not be considered.

ILLUME will accept applications until the position is filled.


Working Conditions 

ILLUME employees work in a hybrid work environment and we continuously monitor public health guidelines to make any updates necessary to ensure the health and safety of all employees. This position requires sitting (or standing) for long periods of time at a computer; and communicating by telephone and email. The dress code at ILLUME is business casual (“pulled together”). This position requires some travel.

Background Screening and Drug Testing 

Many clients of ILLUME Advising require individuals who will be working with confidential information, visiting client customer homes or businesses, or meet another contractually required circumstance to pass a background screen and/or drug test. In the event you are assigned to work on a contract with client ordered screening requirements you will be required to complete the client’s required screening before working on the project with appropriate notice. The results of background screening and drug testing are used solely to meet client criteria for working on specific projects.


As a federal contractor, ILLUME requires staff to have been vaccinated against COVID-19, or must be willing to receive a vaccine against COVID-19 within 45 days of hire where permitted by applicable law. This is a mandatory requirement except for employees with documented medical reasons and/or exceptions in accordance with the Civil Rights Act.

Culture and Commitment at ILLUME

Our Vision: ILLUME is the premier consultancy for advancing, re-envisioning, and equitably transforming the energy industry. We align clean energy and social justice imperatives and give primacy to human dreams and aspirations so that all can thrive in a clean energy future.

Our Commitment to Team Values: At ILLUME, we value the diverse lived experiences of our team. We view diversity, equity, and inclusion (DEI) as an on-going commitment and investment in the growth of our employees, the growth of our company culture, and the growth of our industry. By centering environmental justice, climate change mitigation, and social justice in our work, we aim to transform the way the energy industry looks at its challenges. We believe that our collective well-being depends on how well we explore, elevate, and communicate the experiences of all people who use the electric grid. We quantify the impacts of our public investments to reduce energy demand and mitigate climate change.

ILLUME considers our investment in our team as a long-term and mutual investment. At ILLUME, we’re committed to building a valued business while ensuring rewarding careers for our employees. ILLUME does not discriminate in its employment practices regarding age, ancestry, arrest record, color, conviction record, creed, cultural background, disability, ethnicity, gender, gender identity or expression, marital status, military obligations, national origin, race, religion, sex, or sexual orientation.