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Senior Accounting Manager

Thermo Fisher Scientific
United Statesfull_timeVerifiedPosted 16 Jun 2026
💰 $194,950/yr($130,000/yr$194,950/yr)

About the role

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Office

Job Description

Position Summary 

We are seeking a highly motivated and detail-oriented Senior Accounting Manager to lead critical accounting initiatives focused on accounting tasks related to ERP system integrations, Transition Services Agreements (TSAs), process improvements, and balance sheet cleanup for a recent $1B acquisition. This role is ideal for someone who thrives in a dynamic environment and enjoys tackling complex projects that enhance the scalability, accuracy, and efficiency of the accounting function. 

This individual will partner cross-functionally with key leadership in Finance, IT, Operations, and external stakeholders to drive key transformation efforts, including post-acquisition integrations, ERP/system implementations, and remediation of historical accounting issues. 

Key Responsibilities 

  • Support M&A related integration activities, including driving the discovery and design phase to transitioning accounting activities into our team 

  • Lead accounting support for a multi-phase ERP implementation within a complex carve-out environment, including navigating interim-state processes, data inconsistencies, and establishing controls between system rollouts 

  • Partner with integration, finance, IT, legal, and operations teams to align control frameworks, policies, and procedures once integrated into Thermo Fisher ERP  

  • Review and analyze monthly flat file entries (until ERP implementation), ensuring completeness and accuracy of financial information and investigating variances and data fluctuations 

  • Serve as the accounting lead for the Transition Services Agreements (TSAs), including preparation, review, and oversight of settlement statements and related processes  

  • Monthly monitoring of TSA activity and invoices between the local jurisdictions and proactively identify, investigate, and resolve payment issues, billing discrepancies with TSA Invoices 

  • Participate in developing and implementing plans to transition accounting functions from the TSA to internal teams or shared services.  

  • Evaluate and design control design and operating effectiveness, particularly in newly integrated processes and systems. 

  • Lead remediation efforts for control deficiencies, ensuring timely and sustainable resolution and ensure timely closure of commitments made in representation letters 

  • Serve as a key liaison with external auditors and internal audit for the conveyed and commingled entities. 

  • Develop documentation for processes, integrations, and accounting treatments to support scalability and audit readiness 

  • Oversee

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Company

Thermo Fisher Scientific

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