Senior Accountant

Job Description

Job Description

Senior Accountant (Big 4 experince/CPA Required)

Job Description

The Senior Accountant serves as a key individual contributor responsible for ensuring the accuracy, integrity, and timeliness of the company’s financial records and reporting in accordance with U.S. GAAP. This role extends beyond transactional accounting and is ideal for a high-performing professional who can own complex accounting areas, exercise strong technical judgment, and drive continuous improvement across the close, reporting, and control processes. The Senior Accountant operates independently while collaborating closely with Finance, FP&A, Operations, HR/Payroll, and external auditors to support a growing organization and enhance financial processes.

Responsibilities

• Prepare and review journal entries, account reconciliations, and supporting schedules for key balance sheet and profit and loss accounts.
• Lead and manage monthly, quarterly, and year-end close processes, ensuring accuracy, timeliness, and continuous improvement of close activities.
• Perform variance and flux analysis, investigate drivers of change, and clearly communicate explanations and insights to management.
• Manage invoice creation, submission, and monitoring of the company’s receivables aging to support effective cash flow and collections.
• Write, modify, and generate general ledger reports as needed to support internal and external reporting requirements.
• Participate in the development and documentation of formal accounting policies, procedures, and technical accounting memorandums to support audit and regulatory requirements.
• Partner with FP&A and Reporting teams on ERP enhancements, reporting optimization, and close efficiency initiatives.
• Assist with the implementation and monitoring of internal controls to mitigate fraud risk and ensure compliance with SOX requirements.
• Collaborate cross-functionally with Finance, FP&A, Operations, HR/Payroll, and external auditors to support audits and ongoing financial initiatives.
• Leverage the work of others, incorporate feedback, and carry tasks through to completion while maintaining high quality and accuracy.
• Delegate tasks appropriately, help develop teammates, and contribute to expanding the overall capacity and effectiveness of the accounting team.
• Perform other duties as assigned to support the evolving needs of the finance organization.

Essential Skills

• Bachelor’s degree in accounting.
• 3–4+ years of progressive accounting experience, ideally with exposure to commercial or large corporate clients.
• Strong knowledge of U.S. GAAP and revenue recognition principles, including ASC 606.
• Hands-on experience with general ledger accounting, reconciliations, financial reporting, and audit support.
• Proficiency in accounting for profit and loss statements and performing P&L analysis.
• Experience with ERP systems, with NetSuite strongly preferred.
• Advanced Excel skills, including pivot tables, XLOOKUP, and working with large data sets for data analysis.
• Strong analytical, problem-solving, and organizational skills with high attention to detail.
• Demonstrated ability to manage time effectively, meet communicated and expected deadlines, and handle multiple priorities.
• Excellent written and verbal communication skills, with the ability to clearly explain financial results and drivers.
• Ability to collaborate effectively with cross-functional teams, business partners, leadership, co-workers, and clients in a professional and courteous manner.
• High intellectual curiosity and the ability to think critically beyond transactional processing to identify improvements and efficiencies.

Additional Skills & Qualifications

• CPA certification strongly preferred.
• Big 4 public accounting experience highly preferred, especially with commercial or large corporate clients.
• Experience in revenue recognition roles as well as generalist accounting roles covering general ledger, reconciliation, financial reporting, and audit.
• Experience with procurement, vendor onboarding, and spend management platforms, with ZIP preferred.
• Demonstrated strong work ethic and the ability to operate independently while partnering with key stakeholders.
• Ability to leverage the work of others, absorb feedback constructively, and enhance the quality and efficiency of deliverables.
• Ability to delegate responsibilities, coach and develop teammates, and help expand the capacity of the accounting team.
• Motivation to move from public accounting into an in-house role within a growing team and organization. 

Job Type & Location

This is a Permanent position based out of Mc Lean, VA.

Pay and Benefits

The pay range for this position is $120000.00 - $120000.00/yr.

5% bonus Please see me for details regarding company bonus structure and the provided benefits. Somatus is a healthcare organization, specializing in the kidney care and dialysis space. As the largest and leading value-based kidney care company, Somatus is empowering patients across the country living with chronic kidney disease to experience more days out of the hospital and healthier at home. It takes a village of passionate and tenacious innovators to revolutionize an industry and support individuals living with a chronic disease to fulfill our purpose of creating More Lives, Better Lived. Does this sound like you?

Workplace Type

This is a hybrid position in Mc Lean,VA.

Application Deadline

This position is anticipated to close on Aug 17, 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® Platinum Award 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 View email address on us.fitly.work for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.