Careers at Chestnut

The region’s leading provider of integrated behavioral and primary health care is seeking an integrated outpatient clinician to work with our clients forco-occurring (Mental Health & Substance Use) services in Granite City, IL.    This position will be Mon-Fri, and will work flexible day time shifts. 

Part-time, unpaid internship opportunity for Summer 2026. The Dental Assistant Intern will gain practical experience in a clinical setting by assisting staff with patient care, office duties, and basic dental procedures.   Chestnut Health Systems is a leading provider of integrated health care services. Since 1973, Chestnut has grown to nearly 800 committed employees providing substance use, mental health, and primary care treatment across Illinois and Missouri. Chestnut delivers fully integrated care by combining behavioral health services with community-based primary...

Full or Part-time, unpaid internship for an active undergraduate or graduate level student for the Summer 2026 school semester. The successful candidate will work in-person at the Bloomington, IL office and in the Bloomington-Normal community.

Chestnut Health Systems is seeking part-time Recovery Support Technician Interns to work throughout the Metro East and St. Louis, MO areas.   Internship opportunities are available the following departments: - Adult Substance Use (two internship opportunities available) -

Join chestnut as a marketing and communications intern specializing in content, where you'll be at the forefront of crafting compelling narratives and engaging messaging across various communication channels. This unpaid internship offers an exciting opportunity for students pursuing degrees in communications, digital media, journalism, or related fields to apply their writing skills and creativity in a professional environment. Collaborate with our team to develop original content for websites, printed materials, social media platforms, and more, while contributing to strategic marketing initiatives.

As a marketing and communications intern focusing on events at chestnut, you'll step into a dynamic role where creativity meets organization. This unpaid internship offers a hands-on experience in event planning, communications, and marketing, providing a solid foundation for students pursuing degrees in related fields. Join our team and contribute to the successful execution of internal and external events while honing your skills in a supportive environment.

Join chestnut as a marketing and communications intern specializing in multimedia, where you'll immerse yourself in the dynamic world of digital content creation and social media management. This unpaid internship offers an exciting opportunity for students pursuing degrees in communications, digital media, journalism, or related fields to apply their skills and creativity in a real-world setting. Collaborate with our team to shape engaging multimedia content, manage social media platforms, and contribute to strategic marketing initiatives.

Part-time, unpaid internship for a student who is currently enrolled in a Clinical Medical Assistant program.   Chestnut Health Systems is a leading provider of behavioral and primary health care services. Over four decades, Chestnut has grown to over 700 committed, compassionate employees providing substance use, mental health, and primary care treatment to patients in Central and Southern Illinois. We provide fully integrated care for all our patients by combining behavioral health care services with our community-based primary care health centers. Chestnut also...