Benefits:

Flexible schedule

Paid time off

Administrative Assistant (Part-Time, Flexible Hours)

RER Fuel Service – Home Heating/Cooling Services| Billerica, MA

RER Fuel, Inc. is a small, family-owned home heating and cooling company proudly serving our community since 1984. We’re looking to add a reliable, detail-oriented Administrative Assistant to support our day-to-day office operations.

This is a part-time role offering flexible scheduling, ideal for an organized and self-motivated individual who thrives in a fast-paced small business environment. Weekly hours typically range from 5–15, with the potential to increase over time.

Scope of Work/ Key Responsibilities:

· Support Accounts Payable processes, including entering bills, receipts, and related transactions in QuickBooks Online

· Assist with Accounts Receivable by maintaining customer records and processing invoices and payments in QuickBooks and related fuel and dumpster management systems

· Provide customer service support, coordinate office activities, and prepare reports as needed

· Manage multiple client accounts while efficiently navigating and transitioning between systems

· Assist with payroll processing, administrative duties, and other projects as assigned

· Organize and maintain digital documents across various platforms, including Dropbox, Ignite, QuickBooks Online, and other operational systems

· Maintain accurate filing of physical documents

· Order, track, and manage office supplies

· Collaborate daily with company owners and the Office Manager

· Provide general operational support as needed

Requirements:

· Proven experience with QuickBooks Online (required)

· Proficiency in Microsoft Outlook, Word, Excel, and OneNote

· Strong overall technical aptitude, including email, smartphone, and messaging tools

· Excellent organizational skills with the ability to manage multiple priorities

· High level of accuracy and attention to detail

· Strong written, verbal, and listening communication skills

· Ability to work both independently and collaboratively within a team environment

· Positive attitude with a willingness to learn and adapt

· Ability to handle sensitive information with a high degree of confidentiality

· Prior office experience preferred

Pay:

$25 – $30 per hour, based on experience

This position requires professionalism, discretion, and the ability to think ahead. If you thrive in a role where you are trusted to manage communications, stay organized, and support business leadership directly, we would love to hear from you.

To apply, please submit your resume and a brief summary of your relevant experience.