Top 124 Office administrator Jobs in Saint Charles Mo

Office Administrator
Best Choice Roofing —Saint Charles, MO
- $44,000 - $49,000 a year
- Full-time
- Background check
- Google Workspace
- Mid-level
- Paid holidays
- Paid time off
Quick Apply
Office Administrator/Receptionist
Aegis Administration —Maryland Heights, MO
- $19 - $23 an hour
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Office
- Paid holidays
- Health insurance
Quick Apply
3d
Office Manager (Flexible, 20 - 40 hours / week)
Cotton Cuts —Chesterfield, MO
- Part-time
- Hybrid work
- Mid-level
- Office
- Organizational skills
7d
Office Admin
Roland Machinery Co —Bridgeton, MO
- Full-time
- Mid-level
- Office
- High school diploma or GED
- Profit sharing
- Paid holidays
Quick Apply
Center Support Specialist
SSM Health Physical Therapy —Saint Charles, MO
- Full-time
- Mid-level
- Administrative experience
- High school diploma or GED
- Health insurance
- Dental insurance
10d
Scheduling & Operations Specialist - Hybrid
MT & Associates, LLC —St. Louis, MO
- $55,000 - $65,000 a year
- Full-time
- Hybrid work
- Mid-level
- Recruiting
- Reliable transportation
- Health insurance
- Dental insurance
Quick Apply
3d
Office Administrator
Emery Sapp & Sons, Inc —O'Fallon, MO
- Full-time
- Google Workspace
- Inventory management
- Mid-level
Quick Apply
3d
Executive Assistant & Office Manager
Guarantee Electrical —Saint Charles, MO
- Full-time
- 5 years
- Mid-level
- Office
- Disability insurance
- Health insurance
Quick Apply
2d
Receptionist
Munchkin Radio —Grover, MO
- $28 - $34 an hour
- Full-time
- Bachelor's degree
- Typing
- 1 year
- Health insurance
- Dental insurance
Quick Apply
Office Manager
Clarkson Eyecare —Saint Charles, MO
- Full-time
- Background check
- Microsoft Outlook
- Merchandising
- Paid parental leave
- Paid holidays
Quick Apply
Education Office Professional to Bldg Principal (Level II) (Progress South Elementary)
Fort Zumwalt School District —Saint Peters, MO
- $17.50 an hour
- Full-time
- Inventory management
- Writing skills
- Mid-level
10d
Office Coordinator
Eye Thrive —St. Louis, MO
- $55,000 a year
- Weekends as needed
- Writing skills
- Mid-level
- Office
- 403(b) matching
- Mileage reimbursement
Quick Apply
Salon Coordinator
Sport Clips —Saint Peters, MO
- $60,000 a year
- Full-time
- Cosmetology License
- Mid-level
- Office
- Health insurance
- 401(k) matching
Senior Specialist, Business Services
St. Louis Community College —Bridgeton, MO
- $45,835 a year
- Full-time
- Mid-level
- Office
- Finance
- Paid holidays
- Health insurance
Office Manager
Eye Care Partners Career Opportunities —Saint Charles, MO
- Full-time
- Background check
- Microsoft Outlook
- Merchandising
- Paid parental leave
- Paid holidays
Quick Apply
Consumer Experience Facility Manager - Consumer Market Research
Confidential —Saint Peters, MO
- $50,000 - $60,000 a year
- Weekends as needed
- Microsoft Excel
- Microsoft Outlook
- 5 years
- Health savings account
- Health insurance
Quick Apply
3d
Military Service - U.S. Air National Guard, Administration
Military Service - U.S. Air National Guard Recruiting —Missouri
- From $49,838.78 a year
- Full-time
- Military
- Computer literacy
- English
Regional Business Office Manager (BOM)
MGM Healthcare Home Office —St. Louis, MO
- Weekends as needed
- Skilled nursing facility
- Mid-level
- Office
- Dental insurance
- 401(k)
Quick Apply
Staff Officer
MANTECH —St. Louis, MO
- Full-time
- 11+ years
- Research
- Office
9h
Administrative Professional (Hybrid) - Medical Oncology
Washington University in St. Louis —St. Louis, MO
- $23.37 - $36.19 an hour
- Online Application
- Hybrid work
- Pass drug screening
- Office
- High school diploma or GED
- Commuter assistance
- Employee assistance program

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Office Administrator

Best Choice Roofing -
Saint Charles, MO

Quick Apply

Job Details

Full-time
$44,000 - $49,000 a year

Benefits

Paid holidays
Paid time off
Employee discount
Professional development assistance

Qualifications

QuickBooks Online
QuickBooks
Bookkeeping

Full Job Description

Office Administrator (St. Charles, MO)

Full-time | On-site at our St. Charles office | $44,000 to $49,000 per year

Who we are

Best Choice Roofing of Greater St. Louis is a locally owned residential exterior replacement company covering homes across the greater metro. We replace roofing, siding, gutters, soffit, and fascia.

We are Owens Corning Platinum Preferred, one of only a handful in our service area, which means stronger warranties and certifications most local shops cannot offer. We run the national Best Choice Roofing brand for buying power and product backing, and the owner is local and involved. You get the benefits of both.

We hold a 4.9 rating and the recognition to back it: 2026 Small Business of the Year from the St. Charles Regional Chamber, St. Louis Magazine A-List finalist, Thumbtack Top Pro, and Angi Super Service Provider. That reputation came from honest estimates and clean work, not pressure.

The role

You are the operational hub of the branch. Sales sells and crews install; you make sure everything in between actually happens: contracts get entered right, insurance money gets tracked and collected, checks get deposited, subs get paid, permits and licenses stay current, and the books stay clean.

Two things make this role different from the average admin job:

You are joining a system that works. We have had tremendous growth since opening 3 years ago and this is a chance to add your skills and personality to help accelerate faster.
The role currently includes the bookkeeping. We may move some accounting work to an outside bookkeeper down the road. Until then it is yours, and even if it moves, you will remain the person who feeds it: source documents, customer payments, and deal accuracy stay in this seat. If you like owning numbers end to end, this is a feature, not a bug.

What you will own

Office and customer experience

Answer inbound calls and be the voice homeowners trust
Ongoing homeowner communication through the job lifecycle, review asks, and warranty registration and service-call intake

Insurance claim administration

Build and file depreciation packets with insurance carriers and follow them to payment
Log approved supplements and invoice them
Process insurance and mortgage checks through our digital endorsement platform, including multi-party signatures and mortgage company mail-outs

Contracts and financing

Review signed contract packets for accuracy (numbers, signatures, commission sheets) and enter invoices
Enter project details for financed jobs and track loans through funding

Compliance and licensing

Track contractor licenses, municipal permit and license requirements, and renewals
Certificates of insurance (ours out, subs' in), registered agent and annual entity filings, and document gathering for general liability and workers comp audits

Subcontractors and HR

Onboard W-2 employees and 1099 subcontractors in ADP (new-hire paperwork, I-9s, W-9s, direct deposit setup)
Weekly sub payments and year-end 1099 support

Accounting (currently in this role; may partially transition to an outside bookkeeper)

QuickBooks Desktop: vendor bill entry, credits, and accounts payable
Customer payments, remote check deposits, and bank deposit recording
Credit card and bank reconciliation, month-end close prep for the CPA
Payroll reports and payroll-to-bank reconciliation
Job costing support for weekly accounts payable meetings

The systems you will live in

JobNimbus (CRM), QuickBooks Desktop Enterprise (required, see below), ADP, GoodLeap, iink, Roofr, CompanyCam, Google Workspace, and business banking. Prior experience with the these is a plus, not a requirement.

Who you are

Detail-obsessed. You catch the $870 applied to the wrong invoice, and it bothers you until it is fixed
Organized enough to run a paper system and a digital system in parallel without dropping either
Comfortable on the phone with homeowners, insurance adjusters, and suppliers, including the awkward calls about money owed
Grounded in bookkeeping fundamentals: AP, AR, reconciliation
QuickBooks Desktop experience required. We run QuickBooks Desktop Enterprise for the time being, not QuickBooks Online, and you need to be productive in it from week one
Discreet. This seat touches payroll, banking, and customer financial information every day
Self-managing. You bring solutions, not just problems, and you keep a checklist honest

Roofing, construction, or insurance restoration experience is a plus, not a requirement. Character and precision beat industry background here; the industry can be taught.

Pay, schedule, logistics

$44,000 to $49,000 per year, based on experience
Paid holidays and time off
Contest bonuses and spiffs throughout the year
Company merch
Monday through Friday, 8am to 5pm, on-site at our St. Charles office
Reports to owner

Best Choice Roofing of Greater St. Louis is an equal opportunity employer.

Pay: $44,000.00 - $49,000.00 per year

Benefits:

Employee discount
Paid time off
Professional development assistance

People with a criminal record are encouraged to apply

Experience:

QuickBooks: 1 year (Required)

Ability to Commute:

Saint Charles, MO 63303 (Preferred)

Work Location: In person

Quick Apply

Refine Your Search

office administrator jobs in saint charles mo

Office Administrator

Office Administrator/Receptionist

Office Manager (Flexible, 20 - 40 hours / week)

Office Admin

Center Support Specialist

Scheduling & Operations Specialist - Hybrid

Office Administrator

Executive Assistant & Office Manager

Receptionist

Office Manager

Education Office Professional to Bldg Principal (Level II) (Progress South Elementary)

Office Coordinator

Salon Coordinator

Senior Specialist, Business Services

Office Manager

Consumer Experience Facility Manager - Consumer Market Research

Military Service - U.S. Air National Guard, Administration

Regional Business Office Manager (BOM)

Staff Officer

Administrative Professional (Hybrid) - Medical Oncology

I want to receive the latest job alert for office administrator in saint charles mo

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