Post Office Jobs in Three Rivers, MI (NOW HIRING)

Job Title: Office Assistant

Job Description

This position encompasses full Accounts Payable functions alongside general office and support staff duties. The role requires handling various tasks to ensure smooth office operations.

Responsibilities

• Match vendor invoices with receiving reports for accuracy in quantity and price.
• Post vendor invoices and miscellaneous invoices for payment weekly on the computer.
• Collaborate with salesmen for non-stock or special jobs with vendors.
• Maintain Accounts Payable ageing for accuracy.
• Print checks on appointed days (Monday, 10th, 15th, and 25th).
• Ensure all month-end postings and processes are complete before month-end.
• Submit data to buyers group according to their standards.
• Make online payments as required (UPS, FEDEX).
• Run all billing for manfuacturing and billing as required via Accounts Payable.
• Stamp and sort mail, answer phones, and service customers or direct calls appropriately.
• Respond to customer service emails and initiate appropriate responses.
• Learn and backup Accounts Receivable, Purchasing, and General Office functions.
• Backup Accounts Receivable functions such as order entry, billing, quotes for salesmen, mail, and customer service.
• Provide support to Purchasing Assistant, print labels, and work with the purchasing manager.
• Support the Office Manager, particularly when working off-site, including printing EDI labels and handling various human resource tasks.
• Support and work with top management in all Accounts Payable and office functions.

Essential Skills

• Proficiency in Excel.
• Office experience or strong aptitude for entry-level training.
• Comfort working with spreadsheets and basic Excel knowledge.
• Strong attention to detail.
• Ability to multitask and wear multiple hats.

Additional Skills & Qualifications

• Experience in distribution, manufacturing, or similar industry.
• Advanced Excel proficiency.
• Accounts Payable experience.

Work Environment

This position operates in a small family-owned company with 25-50 total employees. The work schedule is Monday to Friday, from 7:00 AM to 4:30 PM.

This is a Contract to Hire position based out of Elkhart, IN.

The pay range for this position is $17.00 - $19.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Elkhart,IN.

This position is anticipated to close on Jul 14, 2026.

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.