Part-Time Office & Admin Manager | Bookkeeping & HR

Aventure Staffing; Sioux City (IA); On-site; USD 28,413 - 40,467; Part time

Benefits offered by this job

Direct deposit

Paid holidays & PTO

Medical coverage

Job summary

A Sioux City area church is seeking a dedicated Part-Time Office Manager to oversee daily administrative operations within our organization. This role supports the team by maintaining organized records, coordinating calendars, handling bookkeeping tasks with QuickBooks, and assisting HR-related processes in a professional setting.

The ideal candidate will have strong organizational and communication skills, supervisory experience, and the ability to manage multiple priorities.

Qualifications

• Proven experience in office management or administrative roles within a professional setting.
• Supervising experience with demonstrated leadership capabilities.
• Proficiency in QuickBooks or similar accounting software for bookkeeping and payroll tasks.
• Strong organizational skills with the ability to manage multiple priorities efficiently.
• Excellent communication skills—both verbal and written—to facilitate effective team collaboration.
• Experience in event planning, vendor negotiations, and calendar management.
• Knowledge of human resources practices including employee onboarding and record keeping.
• Familiarity with medical office management or healthcare settings is a plus but not required.

Responsibilities

• Manage daily office operations and front desk tasks with multi-line phone systems.
• Coordinate scheduling and calendar management for staff and events.
• Supervise administrative staff and provide training and development.
• Oversee vendor management, negotiations, invoicing, and supplier relations.
• Handle bookkeeping tasks including invoicing, expenses, and basic payroll using software.
• Support HR functions with employee records, onboarding, and compliance documents.
• Plan and organize company events and meetings with detailed logistics.
• Maintain filing systems (electronic and paper) for easy retrieval.
• Assist with budgeting, financial recordkeeping, and reconciliations.
• Manage office supplies and maintain a professional environment.
• Communicate effectively with internal teams and external partners.

Skills

Office management

Leadership

Organization

Communication

Event planning

Calendar management

Vendor management

Bookkeeping

Payroll

QuickBooks

Tools

QuickBooks

Job description

A Sioux City area church is seeking a dedicated Part-Time Office Manager to oversee daily administrative operations within our organization. This role supports the team by maintaining organized records, coordinating calendars, handling bookkeeping tasks with QuickBooks, and assisting HR-related processes in a professional setting.

The ideal candidate will have strong organizational and communication skills, supervisory experience, and the ability to manage multiple priorities.