Volunteer Onestream Administrator Jobs (NOW HIRING)

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility.

The Position

Arch is seeking a Manager of Financial Consolidation to support a dynamic reporting environment as the organization continues to refine the Workday-to-OneStream consolidation process and progress toward steady-state reporting across both systems. This position reports to the AVP of Consolidations.

The ideal candidate has strong consolidation and reporting knowledge, an analytical mindset, and the ability to perform meaningful flux analysis, interpret results, and clearly communicate reporting insights. This individual should be driven, self-motivated, and able to manage competing priorities while identifying opportunities to strengthen processes and reporting outputs.

The role is based in White Plains, New York, and follows a hybrid work arrangement.

Job Responsibilities

• Serve as OneStream administrator, managing user access, chart of accounts, organizational structures, mapping tables, and system-generated reports.

• Support the continued evolution of financial reporting across Workday and OneStream, including system integrations, data reconciliations, reporting dependencies, and process coordination as the organization works toward a steady-state operating model.

• Prepare and analyze the Company's financial results, including detailed flux analysis, to support timely and accurate quarterly and annual reporting.

• Partner with cross-functional teams to resolve reporting differences, strengthen existing processes, and support consistent use of Workday and OneStream data.

• Develop and maintain financial reports and analysis with an emphasis on accuracy, automation, clear variance explanations, and actionable management reporting.

• Leverage Microsoft Copilot and other AI-enabled tools to improve reporting efficiency, streamline analysis, support variance commentary, and foster process improvement across financial reporting activities.

• Support process transformation through special projects, ad hoc analysis, and continuous improvement initiatives.

• Develop, update, and maintain documentation related to the financial consolidation process.

• Maintain and monitor the effectiveness of internal controls, identify key areas of risk, and drive remediation as needed.

Desired Skills/Experience

• Strong analytical skills with the ability to perform flux analysis, investigate variances, interpret complex financial data, and communicate key drivers clearly.

• Excellent interpersonal skills, with the ability to interact effectively at all levels within the company.

• Highly driven and self-motivated, with the ability to take ownership, work independently, and move analysis forward with limited direction.

• Ability to operate effectively in an evolving environment, identify issues independently, and drive analysis through resolution.

• Experience with OneStream, Workday, Microsoft Copilot, Alteryx, Power BI, or other AI-enabled reporting tools is desired.

Required Skills/Experience

• 5-8 years of accounting experience in a similar role within the insurance or financial services industries.

• Experience with Microsoft Office Suite, including Excel and PowerPoint; ability to create complex spreadsheets, lookup tables, and pivot tables, and analyze results.

• Bachelor's degree in Accounting.

• CPA required.

For individuals assigned or hired to work in the location(s) indicated below, the base salary range is provided. Range is as of the time of posting. Position is incentive eligible.

For White Plains: $123,400 - $166,667/year

• Total individual compensation (base salary, short & long-term incentives) offered will take into account a number of factors including but not limited to geographic location, scope & responsibilities of the role, qualifications, talent availability & specialization as well as business needs. The above pay range may be modified in the future.

• Arch is committed to helping employees succeed through our comprehensive benefits package that includes multiple medical plans plus dental, vision and prescription drug coverage; a competitive 401k with generous matching; PTO beginning at 20 days per year; up to 12 paid company holidays per year plus 2 paid days of Volunteer Time Offer; basic Life and AD&D Insurance as well as Short and Long-Term Disability; Paid Parental Leave of up to 10 weeks; Student Loan Assistance and Tuition Reimbursement, Backup Child and Elder Care; and more. Click here to learn more on available benefits.

Do you like solving complex business problems, working with talented colleagues and have an innovative mindset? Arch may be a great fit for you.If this job isn't the right fit but you're interested in working for Arch, create a job alert! Simply create an account and opt in to receive emails when we have job openings that meet your criteria. Join our talent community to share your preferences directly with Arch's Talent Acquisition team.

10200 Arch Capital Services LLC