Manufacturing Office Manager: AR/AP, Payroll & Admin Lead

American Technical Services, Inc.; Milwaukee (WI); On-site; USD 42,000 - 54,000; Full time

Job summary

American Technical Services, Inc. seeks a General Office Manager for a family‑operated manufacturer in Milwaukee. You will report to the President and supervise one office assistant, overseeing AR/AP, ledger entries, bill paying and clerical duties.

The role requires a high school diploma and 5+ years of office experience, with payroll and tax responsibilities and basic web content support. Standard hours 8am–4pm; training may include part‑time hours during initial period.

Qualifications

• High school diploma and 5+ years of office experience.
• Experience with AR/AP, ledger entries and bill paying.
• Familiarity with Wisconsin Sales and Use Tax.
• HR duties including payroll and benefits administration.
• Proficiency in word processing and spreadsheet tools.

Responsibilities

• Manage AR/AP, ledger entries and monthly closings.
• Handle mail, calls, filing, orders, and clerical tasks.
• Maintain basic record keeping and accounting duties.
• Assist with payroll processing and HR duties.
• Prepare documents and spreadsheets; support web page content.
• Support sales order entry using computer applications.

Skills

AR/AP experience

Accounting

Payroll processing

Office administration

Education

High school diploma

Tools

Sales order software

Job description

American Technical Services, Inc. seeks a General Office Manager for a family‑operated manufacturer in Milwaukee. You will report to the President and supervise one office assistant, overseeing AR/AP, ledger entries, bill paying and clerical duties.

The role requires a high school diploma and 5+ years of office experience, with payroll and tax responsibilities and basic web content support. Standard hours 8am–4pm; training may include part‑time hours during initial period.