UNKNOWN

ADAPTED_NOW

This opportunity provides hands-on exposure to behavioral health and integrated care services, allowing interns to learn directly from experienced professionals while supporting individuals and families in need. Chestnut Health Systems is committed to serving underserved populations through comprehensive behavioral health care, including mental health, substance use treatment, and primary care services.

<h4>Overview</h4>Chestnut Health Systems is committed to serving underserved populations through comprehensive behavioral health care, including mental health, substance use treatment, and primary care services. The organization provides both outpatient and inpatient treatment, with a strong focus on supporting individuals experiencing homelessness and other significant life challenges. Chestnut Health Systems™ is a leading provider of integrated health care services. Since 1973, Chestnut has grown to more than 800 committed, compassionate employees providing substance use, mental health, and primary care treatment to patients in Illinois and Missouri. 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 conducts research and training throughout the U.S.A.<h4>Internship Overview</h4>Chestnut Health Systems is seeking compassionate and motivated students for a Human Services Internship. This opportunity provides hands-on exposure to behavioral health and integrated care services, allowing interns to learn directly from experienced professionals while supporting individuals and families in need.<ul><li>Internship Capacity: 3–4 students per semester</li><li>Minimum Age Requirement: 21 years</li><li>Schedule Availability: Monday–Friday</li><li>Timeframes Available: Morning, Afternoon, and Evening hours</li></ul><h4>Responsibilities</h4><h4>Client Populations Served</h4>Interns will gain experience working with diverse populations, including:<ul><li>Young Adults (18–30)</li><li>Adults</li><li>Older Adults (65+)</li><li>Individuals with Mental Health Needs</li><li>Individuals with Substance Use Disorders</li><li>Individuals Coping with Domestic Violence</li><li>Individuals Experiencing Homelessness</li><li>LGBTQIA+ Individuals</li><li>Veterans and Military Families</li><li>Low-Income Individuals and Families</li><li>Families, Parents, and Caregivers</li><li>Victims of Crime or Trauma</li></ul><h4>Programs & Services</h4>Interns will primarily engage in:<ul><li>Inpatient Services: Crisis unit, substance use residential treatment, and supportive housing</li><li>Outpatient Services: Employment support, helping clients obtain and maintain employment</li></ul><h4>Common Client Needs & Challenges</h4>Clients often experience:<ul><li>Mental health symptoms</li><li>Substance use disorders</li><li>Housing instability and financial hardship</li></ul><h4>Fieldwork Role & Responsibilities</h4>Interns will participate in structured, supervised activities such as:<ul><li>Observing group and individual sessions</li><li>Monitoring clients with staff present on units</li><li>Shadowing employment specialists</li><li>Participating in groups and outreach activities</li><li>Observing direct care services</li></ul><h4>Qualifications</h4><h4>Preferred Skills & Qualifications</h4><ul><li>Ability to take direction and apply feedback</li><li>Understanding of professional boundaries</li><li>Strong professionalism and reliability</li><li>Interest in recovery-oriented care</li><li>Must be enrolled in the Human Services Program </li></ul><h4>Keys to Success</h4>Successful interns will:<ul><li>Demonstrate compassion and empathy</li><li>Understand the complex challenges of the populations served</li><li>Maintain professionalism and boundaries</li><li>Practice consistent self-care</li></ul>Are you intrigued by this opportunity but unsure if it’s the right fit? Chestnut is committed to supporting the next generation of behavioral health professionals through hands-on learning and mentorship. We encourage students from diverse backgrounds and experiences to apply.Chestnut Health Systems is a leader in the effort to achieve health equity, providing high-quality health and human services in underserved communities. We deliver trauma-informed, fully integrated care by combining behavioral health with community-based primary health care. Chestnut’s research division is nationally recognized for its contribution to evidence-based practices. Our empathic and innovative employees live our mission of making a difference.

Chestnut Health Systems is a non-profit organization that has cared since 1973 for persons needing behavioral health services. Chestnut provides substance use disorder treatment, mental health counseling, primary health care, credit counseling, and housing and supportive services. 

Headquartered in Bloomington, Illinois, Chestnut employs more than 700 professionals at 25 facilities. Chestnut's staff is motivated by our corporate mission - Making a Difference: Improving Quality of Life Through Excellence in Service.

Chestnut Health Systems

Human Services Internship

Behavioral Health

Customer Support/Service

Department of Health and Human Services

Diversity

Healthcare

Healthcare Providers

Homeless Services

Military

Outpatient Care

Patient Care

Primary Care

Psychiatry and Mental Health

Research Skills

Training/Teaching

OTHER

FEED

This is an excellent opportunity for a student pursuing a degree in Accounting, Finance, or Business Administration who wants meaningful real-world accounting experience beyond basic administrative tasks. This internship offers hands-on experience in accounting operations, payroll support, accounts payable/receivable, job costing, and construction accounting within a fast-paced HVAC environment.

HOUR

Summer Accounting InternDuration: May 2026 - August 2026Schedule: Part-Time or Full-Time Summer InternshipCrystal Heating & Cooling Service, Inc. is seeking a motivated and detail-oriented Summer Accounting Intern to support our Accounting Department during our busy summer season. This internship offers hands-on experience in accounting operations, payroll support, accounts payable/receivable, job costing, and construction accounting within a fast-paced HVAC environment.This is an excellent opportunity for a student pursuing a degree in Accounting, Finance, or Business Administration who wants meaningful real-world accounting experience beyond basic administrative tasks.Key Responsibilities<ul><li>Assist with Accounts Payable processing, invoice entry, and vendor file maintenance.</li><li>Support Accounts Receivable activities, including customer payment application and collections follow-up</li><li>Help reconcile credit card statements, bank transactions, and general ledger accounts</li><li>Assist with payroll preparation, reporting, and audit support</li><li>Support construction and union-related accounting functions, including equality funds processing, union reporting, prevailing wage documentation, and compliance tracking</li><li>Suppothe rt month-end close processes and preparation of journal entries</li><li>Organize and maintain accounting and employee documentation</li><li>Assist with job costing and financial data entry in ServiceTitan and QuickBooks</li><li>Prepare spreadsheets, reports, and financial analysis using Microsoft Excel</li><li>Support internal process improvement and special accounting projects</li><li>Assist with filing, scanning, and maintaining accurate accounting records</li><li>Maintain confidentiality of sensitive financial and employee information</li></ul>Qualifications<ul><li>Currently pursuing an Associate's or Bachelor's degree in Accounting, Finance, or Business Administration.</li><li>Basic understanding of accounting principles and financial statements</li><li>Strong attention to detail and organizational skills</li><li>Proficient in Microsoft Excel and Microsoft Office Suite</li><li>Ability to prioritize tasks and work independently in a deadline-driven environment</li><li>Strong communication and professionalism</li><li>Willingness to learn and take initiative</li></ul>Preferred Qualifications<ul><li>Prior office, bookkeeping, or internship experience preferred but not required.d</li><li>Experience with QuickBooks, ServiceTitan, or ERP/accounting systems is a plus.</li><li>Interest in construction, HVAC, or operational accounting environments</li></ul>What You'll Gain<ul><li>Hands-on accounting and finance experience in a growing company</li><li>Exposure to real-world month-end close and financial reporting processes</li><li>Experience with job costing and operational accounting</li><li>Exposure to union, prevailing wage, and construction compliance accounting processes is rarely offered in traditional internships</li><li>Mentorship from experienced accounting leadership</li><li>Opportunity to build professional skills in communication, organization, and problem-solving</li></ul>Compensation<ul><li>Paid internship ($18-$22/hour based on experience)</li><li>Flexible scheduling available</li></ul>About Crystal Heating & Cooling Service, Inc.Crystal Heating & Cooling Service, Inc. is a 100% employee-owned (ESOP) HVAC company serving residential and commercial customers throughout Missouri. We are committed to teamwork, integrity, growth, and delivering exceptional service to our customers and employees alike.

Crystal Heating and Cooling

Summer Accounting Intern

Accounting

Accounting Close

Accounting Policies

Accounting Software

Accounts Payable

Accounts Receivable

Administrative Skills

Billing

Bookkeeping

Business Administration

Communication Skills

Construction

Construction Support

Credit Cards

Credit and Collections

Data Entry

Detail Oriented

Documentation

ERP (Enterprise Resource Planning)

Establish Priorities

File Maintenance

Finance

Financial Analysis

Financial Reporting

Financial Statements

Financial Transactions

General Ledger Accounting

HVAC

Intuit Quickbooks

Journal Entries

Leadership

Maintain Compliance

Maintenance - HVAC

Mentoring

Microsoft Excel

Microsoft Office

Operational Support

Organizational Skills

Payroll Accounting

Problem Solving Skills

Process Improvement

Reconciliation

Record Keeping

Reporting Skills

Service Delivery

Spreadsheets

Team Player

Time Management

Talent Acquisition

Internship Military jobs in Ballwin, MO on your radar? Find the best of them right here on Monster.

The Best Internship Military Jobs in Ballwin, MO | Monster

Internship Military Jobs in Ballwin, MO

Resume Resources

Get noticed by top employers!

Internship Military Jobs in Ballwin, MO

Human Services Internship Chestnut Health Systems

Summer Accounting Intern Crystal Heating and Cooling

Resume Resources