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. Job Summary: 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. Responsibilities: Month-End Close Financial Reporting Lead the monthly, quarterly, and annual close processes to ensure accurate and timely financial reporting Oversee preparation complex journal entries and review of routine journal entries, account reconciliations (including BlackLine), 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, FPA, 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. Basic Qualifications: 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). Preferred Skills and Experience: 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 Additional Requirements: Regular travel is not anticipated for this role; however, occa ... (truncated, view full listing at source)