Accounting Clerk

Mountainside Treatment Center • Canaan, CT

6d • $19 - $21 • Onsite

About The Position

We are seeking an organized and detail-oriented Entry-Level Accounting Clerk to join our small but busy accounting team in our Canaan, CT office. This in-person role supports daily accounting operations, ensures accurate financial recordkeeping, and assists team members across Accounts Payable, Accounts Receivable, and general ledger activities. This is an excellent opportunity for someone looking to start their accounting career in a supportive, hands-on environment.

Schedule:

Monday - Friday, 8:30 am - 5:00 pm

Requirements

• High school diploma or equivalent required
• Basic knowledge of accounting principles (GAAP a plus)
• Proficiency in Microsoft Excel; familiarity with accounting software helpful
• Strong attention to detail and accuracy
• Excellent organization and time management skills
• Ability to work independently and within a small team
• Strong communication and customer service mindset
• Comfortable working on site daily in a busy office environment

Nice To Haves

• Associate degree in Accounting, Finance, or Business preferred
• Eager to learn and grow within the accounting field
• Positive, proactive attitude
• Ability to prioritize multiple tasks in a fast paced setting
• Dependable and maintains confidentiality with financial information
• Familiar with SAGE, Concur, Sigmund and Salesforce

Responsibilities

• Match invoices to purchase orders and verify accuracy
• Enter vendor invoices into the accounting system
• Prepare weekly payment batches
• Communicate with vendors to resolve discrepancies
• Post customer payments and assist with cash application
• Reconcile client accounts as requested
• Support follow up on overdue accounts when needed
• Assist with preparing journal entries under supervision
• Maintain accurate and organized financial files (physical and digital)
• Support month end and year end closing tasks
• Prepare basic spreadsheets and financial summaries as assigned
• Assist with reconciling credit card transactions and internal accounts
• Verify transaction data for accuracy and completeness
• Handle daily mail processing, including sorting, stamping, distributing, and preparing outgoing mail
• Answer phones and assist internal departments with routine accounting questions
• Maintain organized records and support general office tasks
• Support the accounting team with day to day tasks in a fast moving environment
• Perform other related duties as assigned

Benefits

• Comprehensive benefit package
• Paid Time Off (which increases after 1 year with Mountainside)
• Paid holidays including a Multicultural Holiday
• 401(k) with employer matching
• Free meals while working on the Canaan campus
• Monthly $75.00 wellness reimbursement. Our Wellness Reimbursement benefit is meant to encourage employees to engage in productive self-care to avoid burnout and compassion fatigue.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: High school or GED