Senior Staff Accountant

Millennium is proud to be part of the Markon enterprise, a network of specialized organizations united in support of critical national security missions. This partnership strengthens our ability to deliver results by expanding our technical depth, operational reach, and access to a broader bench of proven experts, ensuring our customers continue to receive best-in-class cybersecurity support.

For more than two decades, Millennium has operated at the forefront of cybersecurity. Our elite team of over 300 professionals brings an unmatched record of performance across Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering. As home to the largest contingent of contracted Red Team operators supporting the Department of Defense, Millennium delivers unparalleled threat intelligence and battle-tested expertise to both DoD and federal civilian customers.

Millennium is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law

Millennium Corporation is hiring a corporate Senior Staff Accountant to join our team based out of the National Capitol Region. This role is currently able to be performed in a fully remote capacity, but is subject to change to 100% on site in Falls Church, VA.

• Assume responsibility for the general financial accounting and reporting activities of the organization.
• Assist in the preparation of monthly, quarterly, and annual financial statements.
• Maintain and update the general ledger, ensuring accuracy and completeness.
• Review, analyze, and adjust journal entries on a monthly basis.
• Prepare, record, and post journal entries, including accruals and adjustments.
• Perform monthly balance sheet reconciliations for various accounts.
• Ensure all internal and external financial reporting deadlines are met.
• Assist with internal and external audits by providing necessary documentation and explanations.
• Assist with the accounting for leases in accordance with ASC 842.
• Prepare ad-hoc financial reports and analyses as needed.
• Maintain accurate process and procedures for all reports and tasks.
• Answer accounting and financial questions by researching and interpreting data.
• Monitor compliance with company policies and generally accepted accounting principles (GAAP) and company procedures.
• Assist in local/state registrations.
• Assist with budget analysis, maintenance, and forecasting.
• Assist with AP and Payroll duties as needed.
• Assist with AR tracking and cash collection.
• Bachelor’s degree in Accounting or Finance is required
• A minimum of 5-7 years of related accounting experience (experience in a Gov Con environment preferred)
• Must be local to the DC Metro area for consideration.
• Strong knowledge of accounting principles and practices.
• Proficiency in accounting software (e.g., QuickBooks, SAP, Oracle) and Microsoft Office Suite, especially Excel.
• Proficiency with Deltek Costpoint preferred.
• Experience with DCAA audits, Business and State Tax Preparation, Incurred Cost Submissions, and Statement of Indirects preferred.
• Experience reviewing project status reports or project profitability.
• Must be comfortable with prolonged periods of sitting at a desk and working on a computer.
• Must be able to lift up to 10-15 pounds at a time.
• Less than 5%