Sustainability Intern

NiSource Internship Program Introduction

NiSource is currently seeking a Summer Sustainability Intern. Successful applicants will become integral members of the department while learning within a team environment, completing meaningful tasks and collaborating with team members and leaders on important projects. This position will be a great opportunity for the candidate desiring to launch their career in the field. Successful applicants will build professional relationships with other interns and all levels of NiSource personnel while participating in rewarding professional development exercises and fun, team-building activities. Interns will obtain a broad overview of NiSource's operations and current events in the utilities industry. This is a 12-week summer internship program starting in May 2027, for students entering their junior or senior year in fall 2027. The role is based in Columbus, OH or Merrillville, IN. Candidates must reside within 50 miles of the reporting location to be eligible. Job Summary The Environmental Policy & Sustainability intern will support the work of the NiSource Environmental Policy & Sustainability team, which is responsible for advancing environmental policy strategy, regulatory engagement, and sustainability initiatives across the company. This internship offers hands-on experience in environmental compliance, policy analysis, reporting, and sustainability program development. The intern will report to the Manager, Environmental Policy and Sustainability, and collaborate with internal business partners across several different teams. Essential Functions

Review and analyze federal and state environmental policies and guidelines to support compliance and strategic planning. Prepare written summaries of environmental policies and regulations, highlighting potential impacts on business operations. Assist in identifying, developing, and enhancing environmental management systems and programs that are both compliant and proactive. Collaborate with team members to ensure environmental programs are effectively integrated across business functions. Support data collection, analysis, and reporting efforts to internal and external stakeholders, contributing to transparency and regulatory alignment. Drive continuous improvement in organizational sustainability practices through data-driven insights and cross-functional collaboration. Support internal reporting and documentation efforts related to environmental initiatives and regulatory developments. Develop materials to support team meetings and cross-functional collaboration.

Required Qualifications for Position Enrolled in a college or university with a focus in Environmental Science, Public Policy, Sustainability, Engineering, or a related field. Proficient in Microsoft Office Suite (Word, PowerPoint, Excel). Strong writing, research, and organizational skills. High-performance individual eager to learn and ready to take ownership of assigned duties. Demonstrated ability to work independently and cooperatively on teams. Physical Demands The preceding description is not designed to be a complete list of all duties and responsibilities required of the position. As a public utility, NiSource provides essential services to customers 24/7. Emergency needs can arise at various times throughout the year, including during storm season. Employees may be required to support emergency response efforts, which could include working outside normal hours or assisting with tasks outside of typical responsibilities. Work Authorization Candidates must be legally authorized to work in the United States and must not require employer sponsorship now or in the future. Workplace Connection We value a workplace where everyone feels respected, included, and able to do their best work. We encourage open dialogue, value different perspectives, and work collaboratively with employees, customers, and partners. We recognize and respect the unique experiences people bring, including different backgrounds, cultures, and viewpoints. We treat others with professionalism and care, and we each play a part in creating a positive work environment. Veteran Hiring & Inclusion NiSource is proud to support veterans, transitioning service members, and military spouses. We value the leadership, teamwork, and mission-focused experience the military community brings, and we are committed to providing an inclusive workplace with opportunities for professional growth and development. Equal Employment Opportunity NiSource is committed to providing equal employment opportunities in each of its companies to all employees and applicants for employment without regard to race, color, religion, national origin or ancestry, veteran status, disability, gender, age, marital status, sexual orientation, gender identity, sex (including pregnancy, lactation, childbirth or related medical conditions), genetic information, citizenship status, or any protected group status as defined by law. Each employee is expected to abide by this principle. By applying, you may also be considered for other roles that match your skills and experience. ADA Accommodations If you need a reasonable accommodation to participate in any stage of the hiring process or to perform the essential functions of the position, please contact OneHR at

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or View phone number on click.appcast.io Safety Statement Safety is a core value at NiSource. Employees are expected to follow safety requirements, report hazards, and help maintain a safe environment for themselves and their coworkers. E-Verify NiSource participates in the U.S. Department of Homeland Security's E-Verify program. Please review the following notices regarding your rights and responsibilities under U.S. law. E-Verify Poster

(English and Spanish) Right to Work Poster

(English and Spanish) Salary Range*: $17.20 - $29.70

*The salary offered to a candidate is based on several factors including but not limited to the candidate’s skills, job-related knowledge, and relevant experience, as well as internal pay equity. Posting Start Date: 2026-09-21

Posting End Date (if applicable): 2026-10-03

Please note that the job posting will close on the day before the posting end date.