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Performs preventive maintenance, general repairs, new construction tasks, and emergency repairs in city buildings. The City of O'Fallon values the wellbeing of its employees and is proud to offer a comprehensive and competitive benefits package designed to support physical, financial, and emotional health.

HOUR

<div style="font-family:'segoe ui';font-size:14px;font-style:normal;font-weight:400;line-height:20px">Maintenance Worker I – Facilities Maintenance City of O'Fallon, Missouri Pay Range: $22.44 – $23.56 per hour, DOQThe City of O'Fallon is seeking a dependable, hardworking Maintenance Worker I to join our Facilities Maintenance team. This position plays a key role in keeping our city buildings safe, functional, and welcoming for employees, residents, and visitors.Position Summary The Maintenance Worker I assists in the repair, upkeep, and general maintenance of city buildings and facilities. This role supports preventive maintenance, responds to repair needs, and helps ensure city properties remain in excellent condition.Major Duties • Performs preventive maintenance, general repairs, new construction tasks, and emergency repairs in city buildings. • Maintains and repairs electrical, HVAC, and plumbing systems. • Paints interior and exterior surfaces. • Cleans and repairs gutters. • Completes and reports work orders accurately. • Performs mosquito control duties. • Inspects buildings and facilities to identify maintenance needs. • Assists with snow and ice removal. • Sets up meeting rooms for city operations and events. • Collects and disposes of trash and recyclables. • Performs other related duties as assigned.Knowledge & Skills Required • Knowledge of building repair and maintenance practices. • Knowledge of carpentry, electrical, plumbing, and HVAC installation and repair. • Skill in identifying problems and implementing effective solutions. • Skill in operating construction equipment. • Proficiency with hand and power tools.Minimum Qualifications • High school diploma or GED. • One to two years of related experience or completion of an apprenticeship/internship with relevant skills. • Possession of, or ability to obtain, a valid Missouri driver's license appropriate for assigned vehicles and equipment.Benefits & Work-Life Balance The City of O'Fallon values the wellbeing of its employees and is proud to offer a comprehensive and competitive benefits package designed to support physical, financial, and emotional health.Benefits Include: • Medical, Dental, and Vision Insurance • Employer-paid Accident Insurance and Life Insurance • Optional Health Savings Account (HSA) with employer contributions • Flexible Spending Accounts (FSAs) • Optional Pet Insurance • Wellness incentives and rewards • Onsite workout facilities • Discounted membership at Renaud Center Fitness/Aquatic Center • Employee Assistance Program (EAP) • Identity-Theft ProtectionWork-Life Balance: • Three weeks of vacation for new hires • Eleven paid holidays plus one personal holiday • Sick leave and extended illness leave for self or family care • Designated Zen Rooms and lactation rooms in select facilitiesRetirement & Development: • Participation in the Missouri LAGERS L‑6 Pension Plan • 457(b) Retirement Plan options • Tuition reimbursement for continued learning and career advancementReady to join our team?If you think this job is a fit for what you are looking for, apply today!The City of O'Fallon is an Equal Opportunity Employer and participates in E-Verify<hr/></div> Job Posted by ApplicantPro

City of O'Fallon

Maintenance Worker I-Facilities Maintenance

Carpentry

Construction

Construction Equipment Operation

Construction Inspection

Dental Insurance

Driver's License

Employee Assistance Plan

Facilities and Maintenance

Fitness

General Handyperson

Hand Tools

High School Diploma

Identify Issues

Insurance

Maintenance - Electrical

Maintenance - HVAC

Maintenance - Plumbing

Maintenance Services

Needs Assessment

Painting (Facilities and Maintenance)

Plan Meetings

Preventative Maintenance

Property Maintenance

Recycling

Retirement Plan

Vision Plan

Talent Acquisition

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.

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 Support

Credit Cards

Credit and Collections

Customer Support/Service

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

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

You will work alongside skilled professionals in various aspects of the wastewater treatment cycle, including system monitoring, data collection, and analysis, troubleshooting equipment, and ensuring compliance with environmental regulations. As a Treatment Plant Intern, you will gain hands-on experience in water treatment processes, operations, and maintenance at one of our facilities.

OverviewAs a Treatment Plant Intern, you will gain hands-on experience in water treatment processes, operations, and maintenance at one of our facilities. You will work alongside skilled professionals in various aspects of the wastewater treatment cycle, including system monitoring, data collection, and analysis, troubleshooting equipment, and ensuring compliance with environmental regulations. THIS IS A 5 WEEK SUMMER INTERNSHIP FOR STUDENTS STUDYING WASTEWATER OPERATIONS in the ERTC Program at SIUE.  Internships will run from May 12th - June 13th and June 16th - July 18th. Internships will be at one of the following Wastewater Treatment Plants.  Placement will be determined based on MSD needs.<ol><li>Bissell - 10 E. Grand Ave St. Louis, MO</li><li>Lemay - 201 Hoffmeister Ave St. Louis, MO</li><li>Missouri River - 3455 Creve Coeur Mill Road Maryland Heights, MO</li><li>Coldwater - 13798 Old Halls Ferry Rd Florissant, MO</li></ol>ResponsibilitiesQualifications<ul><li>Candidates must be currently enrolled in the ERTC Program at SIUE. </li><li>Pursuant to MSD's "Substance Abuse Policy and Procedures", this position has been designated as safety sensitive and candidate must pass a Non-D.O.T. Drug Test for this position. Employees occupying this position are not subject to Federal (D.O.T.) Drug and Alcohol Testing Regulations. </li><li>Must possess a valid driver's license issued by the state in which the employee resides. </li></ul>

Metropolitan St. Louis Sewer District

Treatment Plant Intern

Data Analysis

Data Collection

Environmental Compliance

Operations Processes

Regulatory Compliance

Water Treatment

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Internship Facilities Jobs in Saint Louis, MO

Maintenance Worker I-Facilities Maintenance City of O'Fallon

Summer Accounting Intern Crystal Heating and Cooling

Treatment Plant Intern Metropolitan St. Louis Sewer District

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