M&A Integration Controllership Manager

Seneca Resources Company, LLC; McLean (VA); On-site; USD 135,000 - 165,000; Full time

Job summary

Seneca Resources Company, LLC based in McLean, VA, is looking for an M&A Integration Controllership Manager to oversee the finance and accounting integration of acquisitions and divestitures. The successful candidate will combine hands-on expertise in purchase accounting with leadership in complex financial transformations.

Key responsibilities include leading finance workstreams for M&A, developing integration processes, and managing cross-functional teams. A Bachelor's degree in Accounting or Finance and over 5 years of relevant experience are required.

Qualifications

• 5+ years of experience in M&A Integration or related fields.
• Experience leading finance integration initiatives post-merger.
• Strong knowledge of GAAP and SEC reporting.

Responsibilities

• Lead M&A integration finance and accounting workstreams.
• Manage multiple integration projects and key deliverables.
• Develop and maintain M&A integration playbooks.

Skills

M&A Integration

Technical Accounting

Project Management

Financial Reporting

Communication Skills

Education

Bachelor's degree in Accounting, Finance, Business, or a related field

Tools

ERP systems (e.g., Costpoint, NetSuite, SAP, Oracle)

Job description

Position Title: M&A Integration Controllership Manager
Location: McLean, VA
Clearance Requirements: USC or GC Required
Pay Rate: $150,000
Position Status: Full Time / Direct Hire
Position Description:

Are you an accounting leader with hands‑on M&A integration experience who enjoys building scalable processes and leading complex financial transformations? We are seeking an M&A Integration Controllership Manager to lead the accounting and finance integration of acquisitions and divestitures within a growing enterprise. This is a 50/50 blend of technical accounting and M&A integration leadership, combining 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. This role sits within the Corporate Controllership organization and serves as the finance lead for acquisition integration efforts from transaction close through operational integration. The ideal candidate has experience in purchase accounting, Purchase Price Allocation (PPA), post‑merger integration (PMI), technical accounting, ERP integration, and financial process transformation, with the ability to influence stakeholders across Finance, Accounting, IT, HR, Legal, Treasury, and Operations.

Key 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.

Required Skills/Education

• 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.