Finance Analyst 2026-7977 (Senior Level)

AGSI was incorporated in April 2016. We are committed to supporting the goals of Arch divisions through exceptional service delivery. We pride ourselves on maintaining flexibility and responsiveness to adapt to business unit and industry demands while focusing on sound project management. We are dedicated to growing and developing our employees as we build strong teams with strategic leadership. The Senior Financial Analyst will serve as a key support resource for the Arch Insurance Corporate Finance team, helping ensure continuity, accuracy, and timely execution of critical processes throughout the quarterly close and planning cycles. This role will focus on expense management and require a highly detail-oriented professional who can work effectively in a fast-paced environment, manage multiple priorities, and consistently deliver high-quality work. The position supports a broad range of financial reporting schedules, journal entries, and other deliverables using various financial systems, data sets, and reporting tools, along with support of key forecast deliverables. The ideal candidate is highly proficient in Excel, able to manage large data sets and complex reports using advanced formulas, and quick to adapt to new systems and reporting tools. Success in this role requires solid analytical and communication skills, sound judgment, and close attention to detail to validate data, identify discrepancies, and support accurate and reliable financials. Flexibility to support peak workload periods during quarter-end close is required. Prepare and post recurring journal entries (e.g., quarterly accruals, cross-charges, expense reclasses, balance sheet impacts). Review supplier invoices for accuracy, appropriate coding, and proper supporting documentation. Research and resolve expense-related issues, partnering with internal stakeholders as needed. Roll-forward Excel-based files and templates to support the next planning/forecast cycle. Run Workday reports as needed and refresh supplemental files to support close and management reporting. Support the Expense Reporting team with inquiries, reconciliations, and issue resolution. Assist with expense input into our projection tools, including allocations, along with validation of consolidated expenses. Assist with Corporate Finance ad-hoc projects, process improvements, and special analyses as needed. Assist with process documentation and testing to support Corporate Finance initiatives, controls, and process enhancements. Uphold internal controls and assist with external audit requests, ensuring financial integrity and compliance. Strong analytical skills with the ability to collect and organize significant amounts of information with attention to detail and accuracy Adept at quickly adjusting to new responsibilities and thriving in an ever-changing work environment, consistently maintaining a positive “can do” attitude Experience with Workday, TM1, and Anaplan is a plus Strong verbal and written communication skills, including timely responsiveness Ability to manage and interpret large datasets and integrate data from diverse sources (including Excel-based reporting and analysis). Advanced Excel proficiency (e.g., XLOOKUP/VLOOKUP, SUMIFS, pivot tables, data validation). Demonstrated ability to validate reports and financial outputs for completeness and accuracy, investigate variances, and support close/quarter-close readiness. Experience working in a high-volume, fast-paced environment Strong understanding accounting principles, including depreciation/amortization Project based reporting is a plus Detail-oriented, analytical, and able to multi-task under tight time frames Proven ability to analyze data and the underlying drivers of financial results Technical Skills MS Excel 4 Required MS OFFICE 4 Required Financial System 4 Required Accounting Experience 4 Required BS in Finance, Accounting, Mathematics, Economics, Statistics or related discipline