Senior Staff Accountant

Company Overview Metrea delivers effects-as-a-service to national security partners across five domains and more than a dozen mission areas. These include airborne ISR, electronic warfare, secure communications, aerial refueling, special air missions, aerial firefighting, and advanced simulation. We own the whole stack: designing, building, and operating turnkey capabilities that give our partners decisive, asymmetric advantage against rapidly evolving threats. Our operating model is built around three interlocking pillars. The Support Groups provide a global shared-service – spanning people, finance, platform, operations, legal, and engagement. This frees up our Core Groups, who develop and own mission capabilities end-to-end, to focus entirely on delivery. The Market Groups apply a regional lens, ensuring that our agile and adaptable capabilities remain aligned to the wicked problems that matter most to our partners across the Americas, EMEA, and Asia-Pacific. At the heart of our model is a simple but powerful idea: be a true partner with skin in the game. Our partners need effects, not just equipment. By owning the full stack – from the lab to the field – we are able to drive a continuous cycle of innovation that keeps our partners ahead. It's a fast-moving, intellectually demanding environment where talented people are given real responsibility, work on problems that matter, and contribute to an enterprise that is growing quickly and deliberately. Headquartered in Washington, DC, with facilities across the United States, the United Kingdom, as well as Continental Europe and Asia-Pacific. Position Summary We are seeking a highly accountable, hands-on Senior Staff Accountant to join our finance team. Reporting to the European Financial Controller, this role will take ownership of the day-to-day accounting and transactional activities for assigned Capability Units (including one located in Germany) , ensuring finance processes are completed accurately, consistently, and on time. Responsibilities include managing the month-end close, financial analysis, budgeting, forecasting and reporting, as well as sales invoicing and purchase invoice processing across the full transaction lifecycle. The successful candidate will demonstrate a strong ownership mindset, proactively resolving issues, maintaining high standards , and operating effectively without close supervision. This role provides an excellent opportunity for career progression, with support available toward a professional accounting qualification such as ACCA or CIMA. What You'll Do Prepare monthly management accounts for assigned capability units/files, including income statements, balance sheets, and cash flow forecasts Own the month-end and year-end close for assigned capability units/files, including journal entries, accruals, reconciliations, and ensuring accurate and timely recording of financial transactions in accordance with US GAAP and local statutory requirements Review transactions to ensure proper accounting treatment and allocation of expenses to various capability units/files Verify proper recording of intercompany transactions Own all transactional finance processes for assigned Capability Units, including sales invoicing, purchase invoice processing, expense verification, and weekly payment runs Collaborate with peers across the business, acting as the primary finance point of contact for assigned Capability Unit, coordinating effectively with domestic and international stakeholders (including USA and Germany), as well as European accounting and tax offices Assist with annual financial statements audits, prepare supporting schedules and documentation, and responding promptly to audit queries Provide relevant information for tax filings, and collaborate with the Financial Controller to ensure compliance with local filing obligations Assist the European Business Partner in developing annual budgets and periodic f