Senior Staff AccountantJob SummaryReporting to the Corporate Controller, the Senior Staff Accountant serves as a key contributor within our accounting team - building on the foundational work of our Staff Accountant while taking on greater ownership of the general ledger, month-end close, and process improvement initiatives. This role is ideal for an accounting professional who has gained speed and autonomy on day-to-day transactions and begin taking on broader analytical and cross-functional responsibilities.
Primary Responsibilities- Own and manage accounts payable and/or accounts receivable processes, ensuring accuracy and timely execution.
- Perform complex account reconciliations and bank reconciliations, independently investigating and resolving discrepancies.
- Maintain, reconcile, and analyze general ledger accounts; identify trends and flag issues proactively.
- Prepare, review, and post journal entries with a higher degree of autonomy and accuracy.
- Lead or significantly contribute to month-end and year-end close processes, including financial statement preparation.
- Support audit and tax preparation activities, serving as a reliable point of contact for documentation and inquiries.
- Respond to and resolve vendor and customer inquiries; escalate complex issues appropriately.
- Drive process improvement initiatives - identify inefficiencies and propose and implement solutions.
- Assist with ERP optimization projects and contribute to system enhancements.
- Support ad-hoc reporting and analysis requests from leadership.
- Contribute to the development of accounting procedures and internal controls documentation.
- Other duties as assigned.
Qualifications- Solid proficiency in Microsoft Excel (pivot tables, VLOOKUP, data analysis).
- Experience with ERP systems such as NetSuite, SAP, Microsoft Dynamics, or Oracle. NetSuite experience a plus.
- High degree of accuracy and attention to detail - you catch the things others miss.
- Ability to analyze, troubleshoot, and improve processes in a complex and growing environment.
- Integrity, accountability, and personal leadership - you lead cross-functionally without needing formal authority.
- Coachable and accountable: you own your mistakes, learn from them, and take feedback seriously.
What You BringSkills and experience matter - but so does who you are. We're building a team with a Founders Mentality, and the intangibles are non-negotiable:
- Drive - You don't wait to be pointed at work. You identify what needs to happen and make it happen.
- Grit - You grind through hard problems, absorb setbacks, and come back sharper. The work isn't always clean, and you're fine with that.
- Emotional intelligence - You read rooms, build trust across functions and seniority levels, and know when to push and when to listen.
- Team-first orientation - You understand that individual wins don't mean much if the team loses. You pick up what needs picking up.
- Winner's mentality - You keep score, hold yourself to a high standard, and genuinely care about outcomes - not just activity.
- Enthusiast mindset - You get the customer because in some way you are the customer. Passion for cars, performance, or the broader enthusiast culture is a genuine differentiator here.
Education & Experience- Bachelor's Degree in Accounting
- 2-6 years of experience in an accounting role, with demonstrated progression in scope and responsibility.
- Experience working in a hyper-growth, manufacturing, or e-commerce environment preferred.
- Familiarity with Power BI and other data visualization tools.
- CPA candidate or actively pursuing CPA license preferred.
Working Conditions- Full-time, on-site role based at Mishimoto's Garnet Valley, PA headquarters
- Regular office environment
