Assistant Controller, Vice President

Amentum•Washington, DC

1d•$280,000 - $300,000•Hybrid

About The Position

Amentum is seeking an Assistant Controller, Vice President to join its corporate finance leadership team during a major transformation following significant growth and multiple strategic mergers and acquisitions. The role is a key member of the Corporate Controller’s leadership team and helps lead a global accounting and controllership organization in a complex, highly regulated, publicly traded company. The position combines technical accounting and financial reporting leadership with post-merger integration, operational transformation, process optimization, technology enablement, and organizational change. The Assistant Controller partners with Corporate Finance, FP&A, Tax, Treasury, Internal Audit, Legal, IT, business-unit finance leaders, and senior executives to strengthen controls, improve the quality and timeliness of financial information, integrate acquired businesses, and establish scalable processes and systems. The role also advances responsible use of AI, automation, advanced analytics, and emerging technologies in accounting and controllership. It is hybrid at Amentum’s Reston, Virginia office, and U.S. citizenship is required.

Requirements

Bachelor’s degree in Accounting, Finance, or a related discipline.
Typically 15 years of progressive accounting or finance experience.
Significant experience in corporate controllership, financial reporting, technical accounting, or a combination of these areas.
Strong knowledge of U.S. GAAP, SEC reporting requirements, and SOX/internal controls.
Strong understanding of ERP systems, financial reporting technologies, data analytics, and modern finance technology.
Demonstrated AI fluency, including practical understanding of generative AI, intelligent automation, analytics, and the opportunities and risks of using AI in Finance.
Strong analytical, problem-solving, project-management, and organizational skills.
Exceptional communication skills and executive presence.
Ability to work effectively amid ambiguity, competing priorities, organizational change, and complex stakeholder environments.
U.S. citizenship.

Nice To Haves

Master’s degree or MBA.
CPA or equivalent professional accounting designation.
Experience in a large, complex public company.
Experience with mergers and acquisitions, post-merger integration, and finance transformation.
Experience across multiple business units, legal entities, geographies, or international operations.
Demonstrated experience leading process improvement, systems implementation, automation, or other finance transformation initiatives.
Experience translating emerging technologies into practical business applications.

Responsibilities

Support the Corporate Controller in leading a complex global controllership organization for a multi-billion-dollar publicly traded enterprise.
Oversee and enhance global accounting policies, processes, and practices across business segments, geographies, legal entities, and legacy organizations.
Manage periodic, quarterly, and annual close processes to ensure accurate, timely, and compliant financial close and reporting.
Support preparation and review of consolidated financial statements and related disclosures under U.S. GAAP and applicable SEC requirements.
Provide leadership on complex accounting matters, including business combinations, revenue recognition, leases, stock compensation, restructuring, impairment, consolidations, foreign currency, and other significant transactions.
Partner with external and internal auditors to support high-quality financial reporting and an effective control environment.
Identify opportunities to simplify accounting structures and eliminate unnecessary complexity from historical acquisitions.
Lead finance and accounting integration following mergers and acquisitions, including harmonizing accounting policies, chart of accounts, reporting structures, close processes, controls, and systems.
Reduce fragmentation and establish consistent, scalable global controllership processes, clear ownership, governance, performance metrics, and accountability.
Help define and implement the future-state controllership operating model and drive continuous improvement and transformation initiatives.
Partner with transformation leaders to prioritize initiatives based on business value, risk reduction, scalability, and return on investment.
Identify and implement opportunities to use AI, machine learning, intelligent automation, data analytics, and emerging technologies in accounting, reporting, forecasting, reconciliations, controls, and decision support.
Partner with IT, data, cybersecurity, and finance technology teams to evaluate and implement AI-enabled and automated solutions.
Establish governance, controls, documentation, and human oversight for AI-enabled finance processes.
Help build a data-driven controllership organization that develops more predictive insights.
Strengthen global internal controls and ensure compliance with Sarbanes-Oxley and other applicable requirements.
Identify control gaps arising from mergers, system and organizational changes, and transformation initiatives; develop sustainable controls that leverage automation and technology.
Monitor emerging accounting, regulatory, technology, cybersecurity, and business risks that may affect financial reporting.
Lead, develop, and mentor accounting professionals; develop future finance leaders and strengthen the controllership talent pipeline.
Promote accountability, collaboration, intellectual curiosity, continuous improvement, and business partnership across the organization.
Promote cross-functional collaboration and communicate complex financial and accounting matters clearly to executives and non-finance stakeholders.
Serve as a visible change leader who builds alignment across organizations with different histories, processes, cultures, and systems.