Post-Close CAS Accounting Manager for M&A Integration

Mowery-; Lincolnshire (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

Mowery & Schoenfeld, LLC is seeking an experienced CAS Manager specializing in post-acquisition accounting to lead engagements for privately held clients. You will oversee PPA, NWC true-ups, and post-close system design and reporting, while guiding teams and maintaining GAAP compliance.

Success in this role requires deep technical accounting expertise, project management, and a client-service mindset to smoothly transition acquired entities into clients’ financial reporting environments.

Qualifications

• Bachelor’s degree in Accounting, Finance, or related field required.
• 5–8+ years of experience in accounting, with significant exposure to M&A, post-close integration, purchase price accounting, or transaction advisory.
• Strong knowledge of U.S. GAAP, including ASC 606
• Experience leading accounting software implementations preferred (e.g., NetSuite, QuickBooks Online, Sage Intacct, Xero, Ramp, Bill.com).
• Proven experience, managing multiple client engagements and delivering high-quality work under tight deadlines.
• Excellent analytical, communication, and client-relationship skills.
• Ability to lead teams, provide mentorship, and manage project timelines and budgets.

Responsibilities

• Lead end-to-end post-close accounting processes for privately held clients following mergers and acquisitions.
• Oversee and prepare accounting schedules, opening balance sheet adjustments, and documentation in accordance with GAAP.
• Manage net working capital (NWC) true-up calculations, analyses, and negotiations in collaboration with buyers, sellers, and internal/external stakeholders.
• Provide technical accounting guidance on issues arising during integration, including revenue recognition, leases, inventory, and equity arrangements.
• Lead or support the implementation of accounting and ERP software for newly acquired entities, ensuring accurate data migration and alignment with client reporting needs.
• Design and document accounting workflows, control processes, and reporting structures to support scalable post-close operations.
• Partner with client leadership to identify system gaps and recommend technology solutions that enhance financial reporting efficiency.
• Serve as a primary point of contact for clients, delivering high-quality service and proactive communication throughout engagements.
• Translate complex accounting issues into clear, actionable recommendations for non-accounting stakeholders.
• Lead cross-functional collaboration with valuation professionals, auditors, tax advisors, and internal team members.
• Identify opportunities to expand client relationships and support new service offerings related to financial operations.
• Manage, coach, and develop staff and senior accountants supporting engagement work.
• Review and ensure accuracy of deliverables, analyses, and financial statements.
• Contribute to CAS practice development, including methodology enhancement, best-practice documentation, and training initiatives.

Skills

M&A post-close integration

Purchase price accounting

Private company accounting

GAAP knowledge

Client management

Education

Bachelor’s degree in Accounting, Finance, or related field

Tools

NetSuite

QuickBooks Online

Sage Intacct

Xero

Ramp

Bill.com

Job description

Mowery & Schoenfeld, LLC is seeking an experienced CAS Manager specializing in post-acquisition accounting to lead engagements for privately held clients. You will oversee PPA, NWC true-ups, and post-close system design and reporting, while guiding teams and maintaining GAAP compliance.

Success in this role requires deep technical accounting expertise, project management, and a client-service mindset to smoothly transition acquired entities into clients’ financial reporting environments.