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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

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

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

ADAPTED_NOW

Kforce's client, a growing and fast-paced organization is seeking an Accounting Associate to support general ledger activities, month-end close, and core accounting operations. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.

Kforce's client, a growing and fast-paced organization is seeking an Accounting Associate to support general ledger activities, month-end close, and core accounting operations. This role offers strong exposure to financial reporting, reconciliations, and process improvement within a dynamic environment. This position will be on-site full-time in the Saint Louis, MO area.

Key Responsibilities:
<ul><li> Maintain general ledger and record daily financial transactions, including AP, cash activity, and journal entries</li><li> Support month-end close, including reconciliations, accruals, and financial reporting</li><li> Perform daily reconciliation of trading positions and investigate discrepancies to ensure accuracy</li><li> Manage accounts payable processes, including vendor onboarding, coding, and 1099 reporting</li><li> Partner with external accounting providers (fund administrators) on close activities</li><li> Assist with audit preparation and provide support during external audits</li><li> Review employee expense reimbursements for policy compliance</li><li> Execute cash transfers and support treasury activities</li><li> Assist with internal compliance reviews and documentation</li><li> Identify and implement process improvements to enhance efficiency</li></ul> Requirements:<ul><li> Bachelor's degree in Accounting, Finance, or related field</li><li> 0-2 years of accounting or finance experience (internship experience acceptable)</li><li> Understanding of GAAP principles</li><li> Strong Excel skills and proficiency in Microsoft Office</li><li> Strong analytical, problem-solving, and organizational skills</li><li> High attention to detail and accuracy</li><li> Effective written and verbal communication skills</li><li> Ability to work in a fast-paced, evolving environment</li></ul> <div>
 The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.
 
 We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave. 
 
 Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless 
 and until paid and may be modified in its discretion consistent with the law. 
 
 This job is not eligible for bonuses, incentives or commissions.
 
 Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.
 
 By clicking “Apply Today” you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.
 </div>

Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services. Our KNOWLEDGEforce® empowers top companies to achieve their digital transformation goals. We curate teams of technical experts who deliver solutions custom-tailored to each client’s needs. These scalable, flexible outcomes are shaped by deep market knowledge, thought leadership and our multi-industry expertise.
 
Our integrated approach is rooted in 60 years of proven success deploying highly skilled professionals on a temporary and direct-hire basis. Each year, approximately 18,000 talented experts work with the Fortune 500 and other leading companies. Together, we deliver Great Results Through Strategic Partnership and Knowledge Sharing®.

Kforce Inc.

Accounting Associate

Analysis Skills

External Audit

Fund Accounting

Generally Accepted Accounting Principles (GAAP)

Legal

Onboarding

Performance Reviews

Presentation/Verbal Skills

Process Management

Reimbursement

Short Messaging Service (SMS)

Treasury

Writing Skills

kforce

All Keeley Brands (Keeley Construction Group, Keeley Properties, Keeley Restoration, Keeley Companies) do not accept unsolicited resumes from search firms, headhunters, or agencies. Create monthly Lump Sum and T&M owner billings utilizing AIA documents, including all required backup based on owner contract, posting billings timely and accurately.

<div class="content-intro">At Keeley Companies, we believe in empowering our people and fulfilling career aspirations. Keeley is a career destination with countless opportunities for advancement, and a world-class family culture that is centered around creating the best possible environment for our people to thrive.</div>Keeley Construction is looking for a Project Accountant to join our Accounting Group in St. Louis, MO.Primary Responsibilities<ul><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Set up new jobs & prime contracts in CMIC. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Create monthly Lump Sum and T&M owner billings utilizing AIA documents, including all required backup based on owner contract, posting billings timely and accurately. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Review owner contracts for required billing, lien waiver and other accounting related responsibilities. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Final review and approval of all assigned project related supplier & subcontractor invoices to ensure costs are posted timely & accurately. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Approval of weekly check runs to ensure all suppliers and subcontractors are paid within terms. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Prepare, collect, and monitor all appropriate lien waivers necessary for release of payments. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Assist vendors and subcontractors when inquiring on invoice/payment status. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Print job reports for projects managers as necessary </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Monitor accounts receivable status and assist with collection if necessary. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Reconcile all job billings monthly. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Assist Project Managers with other job cost related tasks. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Provide mentorship to junior-level project accounting team members. </li></ul> Minimum Qualifications<ul><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Bachelor's Degree in Accounting, Finance, or related field preferred. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Minimum of six months of applicable internship experience or 1-2 years of construction accounting experience is required. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Familiarity with pay applications required. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">CMIC experience preferred. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Full-cycle AP and AR experience preferred. </li><li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Familiarity with construction accounting software preferred. </li></ul>All candidates agree to complete an assessment for selection and pre-employment drug screen.                                      EOE/AA M/F/Disabled/Vet#LI-AG1 #LI-Hybrid<div class="content-conclusion">All Keeley Brands (Keeley Construction Group, Keeley Properties, Keeley Restoration, Keeley Companies) do not accept unsolicited resumes from search firms, headhunters, or agencies. Any resume submitted to any employee of a Keeley company without a prior written search agreement will be considered unsolicited and the property of any Keeley Company. Please, no phone calls or emails.All Keeley companies are proud to be an equal opportunity employer regardless of race, color, gender, age, sexual orientation, gender identity, gender expression, religious beliefs, marital status, genetic information, national origin, disability, protected veteran status, or any other basis protected by federal, state, or local law.</div>

Keeley Construction

Project Accountant

Construction Accounting Software

Contract Review

Genetics

Liens

Resume Search

GreenHouseAPI

AI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Many engineers in these roles build or use automation to create calculations, summarize technical documents, or draft design documentation, including appropriate use of agentic AI tools, with strong engineering judgment and verification of results.

YEAR

Description:
This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home. This position is based in our Clayton, Missouri office, located within the St. Louis metropolitan area. This position will offer you the ability to directly apply your knowledge of transmission line engineering including, conductors, hardware, insulation, structures, foundations and electrical principles to:<ul><li>Design transmission lines in the 69kV to 765kV range. </li><li>Perform structural analysis and design of pole, lattice, framed, and guyed structures.</li><li>Perform foundation designs.</li><li>Perform conductor selection studies, shielding, grounding and induction studies.</li><li>Develop cost estimates and schedules and prepare specifications for the procurement of transmission line materials and construction. </li><li>Specify transmission line components.</li><li>Model transmission lines in PLS-CADD, determine right of way requirements, calculate conductor sags, and develop transmission line plan and profile drawings. </li><li>Review vendor submittals.</li></ul>

Qualifications:
We do not sponsor employees for work authorization in the U.S. for this position. Essential skills and experience:<ul><li>This position requires a degree from an ABET-accredited engineering program.</li><li>Related engineering, internship or co-op work experience.</li><li>Proficiency with PLS-CADD and PLS-POLE.</li><li>Three or more years related experience in transmission line engineering.</li><li>Knowledge of the practical application of engineering principles including basic transmission line engineering.</li><li>Knowledge of design techniques, tools, and principles involved in the production of technical plans, drawings, and models.</li><li>Proficiency with MS Office applications. </li><li>Excellent written and verbal communication skills.</li></ul>Valued but not required skills and experience:<ul><li>Successful completion of the Fundamentals of Engineering (FE) exam, and designation as an Engineer in Training.</li><li>Proficiency with any of the following programs: PLS-TOWER, SAG10, LPILE, MFAD, ArcGIS, CDEGS, AutoCAD, Microstation.</li><li>Experience in writing and providing support documentation for engineering calculations.</li><li>Familiarity with design codes and standards such as NESC, IEC, CSA, IEEE, ANSI, IBC, ASCE 7, AISC, and ACI 318.</li></ul>

AI & Automation at Sargent & Lundy:
In this role, we expect people to be willing or able to solve problems using modern tools:<ul style="margin-top:0in"><li>You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.</li><li>Many engineers in these roles build or use automation to create calculations, summarize technical documents, or draft design documentation, including appropriate use of agentic AI tools, with strong engineering judgment and verification of results.</li><li>Programming or scripting (e.g., Python, MATLAB, advanced Excel) to automate calculations, design checks, reporting, or data transformation is valued but not required.</li><li>We also value additional learning, such as a minor, certificate, or other training in Computer Science, Artificial Intelligence, Software Engineering, or related fields that helps you apply automation or agentic AI to real engineering problems.</li></ul>

Award-Winning Benefits:
At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024. <table><tbody><tr><th>Health & Wellness</th><th>Financial Benefits</th><th>Work-Life Balance</th></tr><tr><td><ul style="margin-top:0"><li>Health Plans: Medical, Dental, Vision</li><li>Life & Accident Insurance</li><li>Disability Coverage</li><li>Employee Assistance Program (EAP)</li><li>Back-Up Daycare</li><li>FSA & HSA</li></ul></td><td><ul style="margin-top:0"><li>401(k)</li><li>Pre-Tax Commuter Account</li><li>Merit Scholarship Program</li><li>Employee Discount Program</li><li>Corporate Charitable Giving Program</li><li>Tuition Assistance</li><li>First Professional Licensure Bonus</li><li>Employee Referral Bonus</li></ul></td><td><ul style="margin-top:0"><li>Paid Annual Personal/Sick Time (PST)</li><li>Paid Vacation</li><li>Paid Holidays</li><li>Paid Parental Leave</li><li>Paid Bereavement Leave</li><li>Flexible Work Arrangements</li></ul></td></tr></tbody></table>

Compensation Range:
$74,353 - $113,595

Transparency Statement:
Sargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.

Awards & Recognition:
<img alt="Top Workplaces USA Banner 2021-2023" src="https://sargentlundy.icims.com/icims2/servlet/icims2?module=AppInert&action=download&id=184599&hashed=-918588458"/>

Equal Opportunity:
Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.

Internship Accounting Jobs in Fairview Heights, IL

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Internship Accounting Jobs in Fairview Heights, IL

Summer Accounting Intern Crystal Heating and Cooling

Accounting Associate Kforce Inc.

Project Accountant Keeley Construction

Transmission Line Engineer 3 - Grid Sargent & Lundy

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