Senior Accountant II

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 Senior Accountant II plays a key role in the month-end close process and in maintaining the accuracy and integrity of the company’s financial records. This role is responsible for preparing and analyzing journal entries, performing detailed account reconciliations, supporting financial reporting, and helping improve accounting processes as the company grows. The ideal candidate is detail-oriented, technically strong in US GAAP, and comfortable working in a fast-paced environment with evolving processes and systems. Responsibilities: Month-End Close & Financial Reporting Prepare routine and journal entries across key areas such as accruals, prepaids, fixed assets, leases, payroll, and revenue transactions Perform timely and accurate account reconciliations, including use of BlackLine Investigate and resolve reconciling items and unusual variances Support monthly, quarterly, and annual close activities to ensure accurate and timely financial reporting Assist with preparation of internal financial reports and schedules Perform flux and variance analyses to explain period-over-period changes in financial results Ensure assigned areas are accounted for in accordance with US GAAP and company accounting policies Process Improvement and Cross-Functional Support Identify opportunities to improve accounting processes, reconciliations, and reporting workflows Support implementation and enhancement of new accounting tools and systems Partner with AP, Payroll, Cost Accounting, FP&A, and Operations to research issues and ensure accurate financial data Assist in maintaining allocation methodologies and recurring accounting processes Internal Controls and Compliance Follow established internal controls and accounting procedures to ensure accuracy and completeness of financial data Prepare documentation to support internal and external audit requests Assist in preparing audit schedules and PBC (Prepared by Client) support Help ensure compliance with US GAAP and internal accounting policies Basic Qualifications: Bachelor’s degree in accounting, finance or related field 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 control environments. Additional Requirements: 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. I TAR REQUIREMENTS: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . People are the most important part of Epirus – and always come first. We don’t believe in the word impossible and are always asking “why not” as work to usher in a new paradigm of power efficiency. Our fast-growing team is agil