Sr. Accounting Manager

Overview 

Founded in 2017 and headquartered in NYC, UPSTACK is a full-service technology advisory firm that helps companies design, source, and support their business-critical IT infrastructure. Serving as an extension of their team, UPSTACK customers benefit from: 

• Technical expertise- Decades of experience architecting, implementing, and managing business-critical IT solutions 
• Ongoing support- Dedicated team providing continued assistance before, during, and after a project is initiated 
• Supplier experience- Relationships and data-driven insights from thousands of supplier transactions to help negotiate the highest-performing and most reliable solutions 

UPSTACK’s solutions expertise includes data center colocation, network connectivity, SD-WAN, unified communications, cloud contact center, CX-AI solutions, private and public cloud, security, mobility, business continuity, and IoT. 

Under the leadership of Founder and CEO Christopher Trapp, UPSTACK is dedicated to delivering exceptional customer experiences. UPSTACK serves 6,500+ customers—spanning SMB to enterprise— and manages more than $550 million in annual technology spending across various industries.

About the Role

UPSTACK is seeking an Sr. Accounting Manager to lead critical financial operations and elevate our accounting function as we continue to scale. In this role, you’ll oversee a high-performing accounting team, ensure the accuracy and integrity of financial reporting, strengthen internal controls, and serve as a key partner on tax planning, financial analysis, and strategic decision-making.

This role is ideal for an accounting leader who thrives in a dynamic environment, brings deep technical expertise in GAAP and tax, and enjoys building scalable processes that support long-term growth.

This role is expected to work in our office in the Financial District of Lower Manhattan, NYC, for at least two (2) to three (3) days a week.

What You’ll Do

Team Leadership & Management

• Lead and develop the accounting team across financial reporting, billing, collections, payroll, and ad hoc analysis
• Conduct performance evaluations and identify training opportunities to support growth and excellence.

Internal Controls & Compliance

• Establish and maintain strong internal controls and accounting guidelines.
• Ensure compliance with federal and state regulations.
• Partner with external auditors during annual audits and provide necessary documentation.

Financial Reporting

• Oversee the preparation of timely and accurate financial statements, activity reports, and covenant reporting.
• Ensure compliance with GAAP and all financial reporting standards.

Tax Planning & Filing

• Manage tax planning activities throughout the fiscal year.
• Oversee preparation and filing of annual corporate tax returns.
• Maintain compliance with local, state, and federal tax requirements.

Financial Analysis & Strategic Insights

• Conduct financial analysis related to capital investments, pricing strategies, and contract negotiations.
• Present strategic and operational recommendations to leadership to guide short- and long-term financial objectives.

Other Responsibilities

• Complete additional projects and duties as needed to support the Finance organization.

What You Bring

Education

• Required: Bachelor’s degree in Accounting or Business Administration
• Preferred: CPA designation

Experience & Technical Knowledge

• 8+ years of progressive accounting experience.
• In-depth understanding of GAAP, financial reporting standards, auditing processes, and tax regulations.
• Strong experience leading financial reporting, internal controls, and tax planning.
• Skilled in financial analysis related to pricing, capital investments, and contract negotiations.

Skills

• Proven people leader with strong management, coaching, and team development skills.
• Excellent written and verbal communication skills, able to