Senior Accountant EXCELLENT Opportunity! Jefferson Wells has an immediate need for a strong Senior Accountants to join one of our premier clients! This is a contract hybrid position in Sycamore, IL. The ideal candidates will be detailed and motivated accountants who are comfortable with cost accounting, account reconciliation and Dynamics 365. In return for your outstanding talent, you will enjoy competitive compensation, work with a dynamic team and highly desired employer, as well as get the chance to showcase what you know and make an immediate impact to the team! POSITION SUMMARY: Our client needs a Senior Accountant to assist with their D365 implementation and go live, with a specific focus on cost accounting and supply chain. This contract is expected to last at least 3 months, but has a possibility for extension. The Senior Accountants should be: + Have **hands‑on expertise in Dynamics 365 Finance & Operations (D365 F&O)** , especially modules tied to cost accounting, inventory, production, and supply chain management. + Be able to support **D365 implementation, testing (UAT), data validation, configuration reviews, and go‑live readiness** , with a focus on cost and inventory processes. + Understand how cost accounting maps within D365, including **standard cost updates, item model groups, costing versions, BOM/route costing, and inventory valuation methods** . + Work closely with the project team to troubleshoot D365 issues, perform root‑cause analysis, and escalate system defects or misconfigurations. + Assist in translating business requirements into D365 functionality, ensuring cost processes follow system best practices. + Be comfortable performing end‑to‑end **transaction flow tracing** in D365 (PO to invoice, production orders, WIP, costing sheets, adjustments, etc.). + Communicate effectively with IT, supply chain, operations, and finance teams to ensure accurate D365 setup and data integrity. + Work independently in a fast-paced ERP environment, bringing strong attention to detail and a proactive mindset. **Requirements:** + **Strong functional experience with D365 F&O** , especially in Cost Accounting, Inventory Management, Production Control, or related supply‑chain modules. + Experience supporting ERP implementations, upgrades, or module deployments—preferably including **UAT, data migration, reconciliations, and process documentation** . + Ability to analyze and reconcile system-driven data in D365, including inventory balances, cost roll-ups, and cost variances. If this sounds like an opportunity you would like to be considered for, please contact us as soon as possible! At Jefferson Wells (www.jeffersonwells.com), we have built a reputation for results-driven, innovative workforce solutions that help companies create competitive advantage. From basic to complex, we custom tailor our services to fit our clients’ needs from interim and permanent professional talent resourcing to complete project solutions in the areas of Risk Advisory, Tax, and Finance/Accounting. Our professionals provide specialized industry and technical experience and expertise to our clients, enabling them to accelerate their business performance. We serve clients, including Fortune 500 and Global 1000 companies, from offices worldwide, leveraging the workforce capabilities of the Manpower Group. ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.