M&A Integration Controllership Manager

About the role

The M&A Integration Controllership Manager position at Seneca Resources is responsible for leading the accounting and finance integration of acquisitions and divestitures within a growing enterprise. This role combines hands-on expertise in purchase accounting and financial reporting with end-to-end ownership of cross-functional execution from deal close through full operational integration.

Responsibilities

• Lead finance and accounting workstreams for mergers, acquisitions, and divestitures from transaction close through full integration.
• Serve as the Controllership lead for cross-functional M&A integration initiatives.
• Manage multiple integration projects simultaneously while ensuring key milestones, deliverables, and timelines are achieved.
• Lead post-close accounting integration activities, including:
• Purchase accounting
• Purchase Price Allocation (PPA)
• Opening balance sheet preparation
• Fair value accounting
• General ledger (GL) mapping
• Financial process integration
• Partner with Finance, Technical Accounting, Financial Systems, Treasury, HR, Legal, and Operations to execute seamless integrations.
• Develop, maintain, and continuously improve the organization's M&A integration playbook and standardized integration processes.
• Evaluate accounting processes, systems, controls, and compliance requirements while identifying opportunities for improvement.
• Support financial reporting, journal entries, acquisition accounting, and other transaction-related accounting activities.
• Assess ERP integration requirements and support financial system integration initiatives.
• Monitor project risks, communicate progress to leadership, and drive issue resolution throughout the integration lifecycle.
• Promote best practices across accounting integration, governance, documentation, and internal controls.

Requirements

• Bachelor's degree in Accounting, Finance, Business, or a related field.
• 5+ years of experience in one or more of the following: M&A Integration, Technical Accounting, Transaction Advisory, Accounting Advisory, Corporate Controllership, Audit.
• Demonstrated experience leading post-merger integration (PMI) and finance integration initiatives.
• Strong knowledge of: Purchase Accounting, Purchase Price Allocation (PPA), Opening Balance Sheet preparation, Fair Value Accounting, GAAP, SEC Reporting, Internal Controls.
• Experience integrating accounting processes and financial systems following acquisitions.
• Experience coordinating cross-functional stakeholders across Finance, Accounting, IT, HR, Treasury, Legal, and Operations.
• Strong project management and organizational skills with the ability to manage multiple concurrent initiatives.
• Excellent communication, analytical, problem-solving, and executive presentation skills.
• Ability to thrive in a fast-paced, evolving environment.

Preferred Qualifications

• Big Four public accounting experience in Transaction Advisory, Deal Advisory, Accounting Advisory, or M&A Advisory.
• Experience working within a publicly traded organization.
• CPA license.
• Master's degree in Accounting, Finance, or Business.
• PMP certification or formal Project Management training.
• Experience with ERP implementations or integrations.
• Experience using Costpoint, NetSuite, SAP, Oracle, or similar ERP platforms.
• Experience supporting finance integration within a government contracting environment.
• Experience developing standardized M&A playbooks, integration frameworks, or operational best practices.