Job Title: Senior AccountantJob Description The Senior Accountant is responsible for accurately analyzing, recording, and summarizing medical and non-medical financial transactions from multiple internal sources. This role supports timely and accurate financial reporting used for internal decision-making and external requirements, while ensuring compliance with internal controls, policies, and applicable accounting standards. The position partners closely with Finance and Accounting teams to meet month-end, reporting, and audit deadlines. Responsibilities + Prepare journal entries for medical, pharmacy, revenue, and non-medical expenses. + Record premium revenue, risk adjustments, corridors, and related payment entries. + Prepare monthly accruals for medical, non-medical, and administrative expenses incurred but not yet invoiced. + Record subsidiary transactions and investments. + Partner with Accounting Operations to ensure accuracy of Accounts Receivable. + Partner with Finance to prepare monthly financial schedules and related journal entries. + Maintain and analyze spreadsheets included in the month-end close package. + Reconcile and analyze financial data to support management review. + Prepare monthly expense reports by cost center, including budget vs. actual variance analysis. + Support account reconciliation variance explanations. + Review classification of fixed assets and approve adjusting entries for disposals. + Review prepaid expense classifications and monthly amortization entries. + Review reconciliations for fixed assets and prepaids. + Review accounts payable coding for accuracy prior to system entry. + Support GAAP and statutory audits, compliance monitoring, and internal controls. + Assist with statutory and tax reporting documentation. + Prepare check requests and support miscellaneous accounting and departmental needs as required. Essential Skills + Advanced General Ledger & Journal Entry Accounting + Strong GAAP Knowledge with Financial Analysis & Reporting Experience + Advanced Excel & Accounting Systems Proficiency + Strong analytical skills with a high level of attention to detail + Ability to prioritize work and meet tight deadlines + Strong communication and collaboration skills Additional Skills & Qualifications + Bachelor’s degree in Accounting, Finance, or a related field. + 3+ years of progressive accounting experience, preferably within healthcare, insurance, or a regulated environment. + Intermediate to advanced Excel skills. + Experience working with accounting and financial systems (ERP and claims-based systems preferred). + Ability to work independently and within cross-functional teams. + Experience providing guidance, training, or review support to junior staff preferred. Work Environment This position offers a hybrid schedule with 3 days in the office and 2 days remote. The office is located in Springfield, MA. The role is part of a strong Accounting Department within an organization that is continuously growing. Job Type & Location This is a Contract to Hire position based out of Springfield, MA. Pay and Benefits The pay range for this position is $31.15 - $42.36/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a hybrid position in Springfield,MA. Application Deadline This position is anticipated to close on Mar 31, 2026. About Aston Carter: Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® double diamond winner for both client and talent service. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com (%20astoncarteraccommodation@astoncarter.com) for other accommodation options.