Senior Accountant

Company Overview

Since 2002, Mason Technologies has been a leader in technology integration, proudly certified as a Woman-owned Business Enterprise (WBE) both in NYC and nationally. With headquarters and a fully equipped warehouse in Deer Park, NY, an additional office in downtown NYC, and resources across the nation, we design, implement, and service innovative solutions in low-voltage structured cabling, audio visual systems, data centers, and unified security.

We serve a variety of industries including healthcare, government, higher education, finance, and business (both big and small). We're always aiming to build lasting relationships based on trust, respect, and a shared vision for a better future. Our founder, Jennifer Mason, has cultivated a family-like environment that emphasizes deep care and commitment to our people and the clients and communities we serve, forming the foundation of everything we do.

At Mason Technologies, diversity and inclusion drive our hiring, ensuring we bring together the most talented individuals regardless of race, age, religion, gender identification, or sexual orientation. If you want to have a career of unparalleled growth, a team with a family-strong bond, and an unmatched atmosphere of motivated and caring professionals, apply to Mason today!

Let’s craft a future together that's built upon integrity, equality, professional pride, the authentic spirit of our family, and a commitment to making the world a better place.

Our Comprehensive Employee Benefit and Perk Package:

• Medical, Dental, and Vision Coverage: We provide comprehensive healthcare benefits to keep you and your family healthy and secure.
• 401k with Matching: Plan for your future with our 401k program, featuring competitive company matching.
• Paid Time Off (Holiday/Vacation/Sick/Personal): Generous PTO to ensure a healthy work-life balance and time for relaxation and personal needs.
• Unlimited Growth Opportunities: We believe in fostering talent and providing opportunities for continuous professional growth.
• Family-Friendly Company Events & Outings: We host regular events and outings to foster a family-friendly atmosphere and build team camaraderie, like our Warehouse Jam Sessions and Holiday Parties!
• Bagel Thursdays: Enjoy weekly treats with Bagel Thursdays
• Caring Ownership: We believe in mutual dedication. If you're committed to Mason Technologies, we are equally committed to you. We prioritize the well-being of our employees and their families, ensuring a supportive and caring work environment.

About the Position:

We are seeking a highly skilled and detail-oriented Senior Accountant to take ownership of key accounting operations, including accounts payable, accounts receivable, general ledger management, reconciliations, bookkeeping, and month-end close processes. This role is critical in ensuring accurate financial records, timely reporting, and efficient accounting workflows.

The ideal candidate will have 5+ years of progressive accounting experience with strong hands-on experience managing the full accounting cycle. This individual should be comfortable both overseeing accounting processes and actively performing day-to-day accounting functions as needed. You will play a key role in improving financial processes, maintaining accurate records, and providing reliable financial information to support business decisions.

This role offers broad exposure across accounting operations with opportunities to expand into more advanced accounting responsibilities, including financial reporting, budgeting, forecasting, and FP&A initiatives as the company continues to grow. You will work closely with finance leadership as a trusted accounting partner while collaborating across departments to improve financial visibility and operational efficiency.

Responsibilities:

• Own and manage accounts payable processes, including invoice review, coding, approvals, vendor management, payment processing, and resolving discrepancies
• Oversee accounts receivable activities, including invoicing, customer account management, collections support, aging analysis, and reconciliation of outstanding balances
• Maintain accurate general ledger records, ensuring proper classification, completeness, and accuracy of financial transactions
• Perform full-cycle bookkeeping activities, including journal entries, accruals, adjustments, and account maintenance
• Prepare and perform bank, credit card, and balance sheet reconciliations on a monthly and as-needed basis
• Support and drive the month-end and year-end close process, including preparation of schedules, reconciliations, and supporting documentation
• Analyze financial data and prepare internal reports for management review
• Ensure accounting records are maintained in accordance with GAAP and company policies
• Assist with process improvements, automation, and implementation of best practices across accounting workflows
• Develop and maintain Excel-based reports, financial models, and reconciliations
• Support audits, tax filings, and external reporting requirements as needed
• Partner with internal teams to resolve billing, payment, and accounting discrepancies
• Identify opportunities to improve accuracy, efficiency, and scalability within accounting operations
• Contribute to building a strong, collaborative finance function aligned with company goals
• Support future initiatives related to budgeting, forecasting, and financial analysis

Qualifications:

• Bachelor’s degree in Accounting, Finance, or related field (CPA or CPA track preferred)
• 5+ years of accounting experience with demonstrated ownership of accounting operations
• Strong hands-on experience with accounts payable and accounts receivable processes
• Experience managing the full accounting cycle, including general ledger, reconciliations, and month-end close
• Strong understanding of GAAP and accounting principles
• Advanced proficiency in Microsoft Excel (pivot tables, VLOOKUP/XLOOKUP, formulas, data analysis)
• Experience with accounting systems/ERP software (Sage, QuickBooks, NetSuite, or similar)
• Strong analytical skills with exceptional attention to detail and accuracy
• Ability to prioritize multiple responsibilities in a deadline-driven environment
• Strong communication skills with the ability to collaborate cross-functionally
• Self-starter with the ability to work independently and take ownership of responsibilities
• Strong problem-solving skills with a process improvement mindset

Salary: $90,000.00-$100,000.00 per year

Job Type: Full-time, In-Person

We are currently only considering candidates who already live within commuting distance of our office. This role is not open to relocation and relocation assistance is not provided.