Assistant Controller, Vice President

Amentum is a global leader in advanced engineering and innovative technology solutions trusted by the United States and its allies to address their most significant and complex challenges in science security and sustainability. Headquartered in Chantilly Virginia we have approximately 50000 employees in more than 70 countries across all 7 continents.Following a period of significant growth and multiple strategic mergers and acquisitions the Company is entering an important transformation phase focused on integration simplification operational excellence scalable growth and enhanced shareholder value.Amentum is seeking an Assistant Controller Vice President to join the corporate finance leadership team at this pivotal point in the Companys evolution.The Assistant Controller Vice President will be a key member of the Corporate Controllers leadership team helping lead the Companys global accounting and controllership organization through a period of significant transformation following multiple mergers.This role will combine technical accounting and financial reporting leadership with operational transformation integration process optimization technology enablement and organizational change. The successful candidate will be comfortable operating in a complex global highly regulated public-company environment while simultaneously challenging legacy processes and helping design the finance organization of the future.The Assistant Controller Vice President will partner extensively with Corporate Finance FP&A Tax Treasury Internal Audit Legal IT business-unit finance leaders and senior executives to strengthen the Companys control environment improve the quality and timeliness of financial information integrate acquired businesses and establish scalable processes and systems.Importantly the Company views AI fluency as an increasingly important finance leadership capability. The successful candidate will understand how artificial intelligence automation advanced analytics and emerging technologies can be responsibly applied to accounting and controllership activities and will help identify and implement opportunities to make Finance more predictive efficient insightful and digitally enabled. This position is Hybrid to our Reston VA office and US Citizenship is required.Key ResponsibilitiesGlobal Controllership & Financial ReportingSupport the Corporate Controller in leading a complex global controllership organization supporting a multi-billion-dollar publicly traded enterprise.Oversee and enhance global accounting policies processes and practices across multiple business segments geographies legal entities and legacy organizations.Manage the periodic quarterly and annual close process to ensure an accurate timely and compliant financial close and reporting processes.Support preparation and review of consolidated financial statements and related disclosures in accordance with 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 auditors and internal audit to ensure high-quality financial reporting and an effective control environment.Identify opportunities to simplify accounting structures and eliminate unnecessary complexity created through historical acquisitions.Post-Merger Integration & TransformationPlay a leading role in integrating finance and accounting organizations following multiple mergers and acquisitions.Develop and execute strategies to harmonize accounting policies chart of accounts reporting structures close processes controls and systems across legacy organizations.Lead initiatives to reduce fragmentation and create consistent scalable global controllership processes.Establish clear ownership governance performance metrics and accountability across the finance organization.Help define and implement the future-state controllership operating model.Challenge legacy processes and assumptions and drive continuous improvement rather than simply preserving historical practices.Partner with transformation leaders to prioritize initiatives based on business value risk reduction scalability and return on investment.Finance Technology Automation & AIServe as a finance leader and change agent in the Companys digital transformation.Identify opportunities to leverage AI machine learning intelligent automation data analytics and emerging technologies to improve accounting reporting forecasting reconciliations controls and decision support.Develop practical fluency with generative AI and enterprise AI applications and understand both their potential and limitations within a public-company control environment.Partner with IT data cybersecurity and finance technology teams to evaluate and implement AI-enabled and automated solutions.Explore applications of AI for areas such as account reconciliations anomaly detection journal-entry analysis close management variance analysis technical accounting research financial reporting support and control monitoring.Establish appropriate governance controls documentation and human oversight for AI-enabled finance processes.Promote a culture in which technology is viewed as an enabler of better finance outcomes rather than simply a replacement for manual work.Help build a data-driven controllership organization capable of moving from retrospective reporting toward more predictive insights.Internal Controls & Risk ManagementStrengthen the Companys global internal control environment in partnership with the Internal Controls function and business-unit leadership.Ensure effective compliance with Sarbanes-Oxley requirements and other applicable regulatory and reporting requirements.Identify control gaps arising from mergers system changes organizational changes and transformation initiatives.Develop sustainable controls that leverage automation and technology rather than relying disproportionately on manual processes.Monitor emerging accounting regulatory technology cybersecurity and business risks that could affect financial reporting.Leadership & Organizational DevelopmentLead develop and mentor high-performing accounting professionals across a complex global organization.Help create an environment characterized by accountability collaboration intellectual curiosity continuous improvement and business partnership.Develop future finance leaders and strengthen the Companys controllership talent pipeline.Promote cross-functional collaboration across Finance Operations IT Legal Tax Treasury Internal Audit and business leadership.Communicate complex financial and accounting matters clearly to senior executives and non-finance stakeholders.Serve as a visible change leader who can build alignment across organizations with different histories processes cultures and systems.Knowledge Skills & AbilitiesStrong knowledge of U.S. GAAP SEC reporting requirements and SOXinternal 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 associated with deploying AI within Finance.Strong analytical problem-solving project-management and organizational skills.Exceptional communication and executive presence.Ability to operate effectively amid ambiguity competing priorities organizational change and complex stakeholder environments.QualificationsBachelors degree in Accounting Finance or a related discipline required masters degreeMBA preferred.CPA or equivalent professional accounting designation strongly preferred.Typically 15 years of progressive accountingfinance experience preferably including significant experience in a large complex public company.Significant experience in corporate controllership financial reporting technical accounting or a combination thereof.Experience with mergers and acquisitions post-merger integration and finance transformation strongly preferred.Experience operating across multiple business units legal entities geographies andor international operations.Demonstrated experience leading process improvement systems implementation automation or other finance transformation initiatives.Experience translating emerging technologies into practical business applications is highly desirable.US Citizenship is required. Compensation Details280k - 300k Bonus The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities education experience skills internal equity market data applicable collective bargaining agreements and relevant laws.Benefits OverviewOur health and welfare benefits are designed to support you and your priorities. Offerings includeHealth dental and vision insurancePaid time off and holidaysRetirement benefits including 401k matchingEducational reimbursementParental leaveEmployee stock purchase planTax-saving optionsDisability and life insurancePet insuranceNote Benefits may vary based on employment type location and applicable agreements. Positions governed by a Collective Bargaining Agreement CBA the McNamara-OHara Service Contract Act SCA or other employment contracts may include different provisionsbenefits. Original Posting11102026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race sex sexual orientation pregnancy including pregnancy childbirth breastfeeding or medical conditions related to pregnancy childbirth or breastfeeding age ancestry United States military or veteran status color religion creed marital or domestic partner status medical condition genetic information national origin citizenship status low-income status or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation or any other protected category under federal state or local law. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters.