Manager, Accounting

About Epirus:

Epirus is a high-growth technology company developing solid-state, software-defined directed energy systems that enable unprecedented counter-electronics effects and power management solutions to optimize power efficiency in defense and commercial applications. With a constant emphasis on innovation, we are redefining the future of power to bring tomorrow’s capabilities to life, today. And that’s just the beginning.

The Manager, Accounting is a key leader within the accounting organization, responsible for owning the integrity of the general ledger, leading the month-end close process, and strengthening the company’s accounting processes and internal control environment. This role ensures accurate, timely financial reporting in accordance with US GAAP while helping build a scalable accounting infrastructure to support company growth.

This is a hands-on leadership role ideal for someone who thrives in a fast-paced, evolving environment and enjoys improving processes, mentoring team members, and partnering cross-functionally across the business.

Month-End Close & Financial Reporting

• Lead the monthly, quarterly, and annual close processes to ensure accurate and timely financial reporting
• Oversee preparation of complex journal entries and review of routine journal entries, account reconciliations (including Black Line), and detailed flux and variance analyses
• Ensure completeness and accuracy of the general ledger, including oversight of key areas such as revenue, accruals, prepaids, fixed assets, leases and payroll
• Support the preparation of internal financial statements and management reporting packages
• Maintain compliance with US GAAP and company accounting policies
• Assist in the development, documentation, and implementation of accounting policies and procedures as the company scales

Internal Controls & Process Improvement

• Design and implement internal controls over financial reporting and key business processes
• Support readiness for external audits and evolving compliance requirements
• Identify process gaps and drive initiatives to improve close efficiency, accuracy, and scalability
• Maintain and enhance allocation methodologies and recurring accounting workflows
• Serve as a key stakeholder in ERP and financial systems optimization (including Oracle Fusion)
• Partner cross-functionally with AP, Payroll, Cost Accounting, FP&A, Supply Chain, and Operations to resolve issues and improve end-to-end financial processes

Team Leadership & Collaboration

• Supervise, mentor, and develop Senior and Staff Accountants
• Assign, review, and prioritize work to ensure high-quality, timely deliverables
• Build a culture of accountability, ownership, and continuous improvement within the accounting team
• Collaborate across departments to support informed financial decision-making and strong operational alignment

Audit & Compliance

• Prepare and review audit schedules and PBC (Prepared by Client) deliverables
• Help maintain documentation to support a strong and scalable control environment
• Support quarterly and annual internal and external financial reporting

• Bachelor’s degree in accounting, finance or related field
• 3 years of Big 4 public accounting experience
• 8 years+ of progressive accounting experience, including public or public-company-ready experience
• Strong knowledge of US GAAP and financial statement structure
• Proficiency in Oracle Fusion is a plus
• Strong Excel skills (pivot tables, lookups, data validation, reconciliations)

• CPA license (active or inactive)
• Experience in a manufacturing, government contracting, or multi-entity environment
• Prior team leadership, supervisory experience, or strong mentoring capabilities
• Experience improving or designing accounting processes and internal control environments in a scaling organization

Regular travel is not anticipated for this role; however, occasional trips could be necessary to support customer meetings, attend training events and/or meet with government regulators.

• To conform to U.S. Government space technology export regulations, including the International Traffic…