Overview
Accounting & Administrative Assistant (Part-Time) Jobs in Woburn, MA at Associated Mechanical Services
Accounting & Administrative Assistant (Part-Time)
Associated Mechanical Services — Woburn, MA (On-site)
Location: 7 Cedar Drive, Woburn, MA 01801 — On-site
Schedule: Monday–Friday | Approximately 20–25 hours per week | Generally 8:30 a.m.–1:30 p.m.; exact times negotiable
Pay: $22.00–$25.00 per hour, based on experience
Reports to: Business Operations Manager
Associated Mechanical Services is seeking an organized, dependable Accounting & Administrative Assistant to support our accounting, office, and customer-service operations at our Woburn headquarters.
This part-time role is a good opportunity for someone who enjoys working with numbers, keeping details organized, and helping a busy team stay on track. You will support our service, operations, finance, and leadership teams by helping maintain accurate invoices, current records, and professional communication with customers and vendors.
About AMS
Associated Mechanical Services is an established commercial HVAC and mechanical contractor serving customers throughout Greater Boston. We provide reliable service, preventive maintenance, and mechanical installations, with a strong commitment to quality workmanship and responsive customer care.
Our workplace is collaborative and team-oriented. We value people who communicate clearly, follow through on their responsibilities, and are willing to support the people around them.
What you’ll do
Accounting and Bookkeeping
- Process accounts payable
- Prepare customer invoices and verify billing accuracy
- Record daily financial transactions
- Maintain organized vendor files and W-9 documentation
- Support external accountants during audits and tax preparation
Office and Administrative Support
- Screen incoming phone calls and respond to emails professionally
- Assist with special projects and executive initiatives
- Maintain office supplies
Required qualifications
- Accounting and administrative experience (prior office or bookkeeping experience preferred)
- Familiarity with QuickBooks Online (Advanced experience a plus)
- Comfortable with Microsoft Office, especially Excel, Outlook, and Word
- Strong written and verbal communication skills
- Strong organizational and time-management abilities
- Close attention to detail and accuracy
- Ability to maintain confidentiality and professionalism
Preferred experience and skills
- Accounts payable experience
- Document management, customer service, and vendor management experience
- Experience with multi-line phone systems
- Problem-solving skills and the ability to prioritize multiple deadlines
What success looks like
Success in this position comes from being dependable, organized, and attentive to detail. You communicate professionally with customers, vendors, and coworkers, follow through on assignments, and adjust when priorities change. A positive, cooperative approach and a willingness to help the team will serve you well.
What we offer
- Competitive pay: $22.00–$25.00 per hour, based on experience
- Flexible part-time hours: stable Monday–Friday schedule with flexibility around morning and midday hours
- Supportive, collaborative team
- Varied responsibilities across accounting support, office coordination, and customer service
Work environment
This position works in a fast-paced commercial HVAC construction and service environment. The role requires strong organization, professionalism, discretion, and the ability to manage multiple priorities while working collaboratively across service, operations, and executive leadership.
Physical requirements
Frequent use of computers, phones, and standard office equipment; ability to sit for extended periods; occasional lifting of packages or office supplies up to 25 pounds.
We look forward to learning how your skills and experience could contribute to the AMS team.
Pay: $22.00 – $26.00 per hour
Expected hours: 20.0 – 30.0 per week
Work Location: In person
Title: Accounting & Administrative Assistant (Part-Time)
Company: Associated Mechanical Services
Location: Woburn, MA
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