Senior Staff Accountant

Job Summary

Reporting 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.
• Able 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 Bring

• 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.

Our Core Values

• TEAMWORK: Together, we create wins! We win as a unit. Collaboration isn’t a soft skill here — it’s how work gets done. We have each other’s backs and celebrate shared success.
• MOTORHEADS: Built for car enthusiasts, by car enthusiasts. We build for people who care deeply about their vehicles — because that’s who we are. Genuine enthusiasm for the craft isn’t optional; it drives everything.
• INNOVATION: Innovate or die. We don’t preserve the status quo. We challenge assumptions, explore new solutions, and bring a restless curiosity to every category and every problem.
• SERVICE: Going beyond to be the best. We hold ourselves to a higher standard in everything — for our customers, our channel partners, and each other. Good enough is never good enough.
• HEART: It drives us forward. We bring genuine passion to the work. Heart is what separates going through the motions from making something worth being proud of. We care.
• INTEGRITY: Honestly? We are passionate professionals. We do what we say, say what we mean, and own our outcomes. Trust is the foundation of every relationship — with teammates, customers, and partners alike.

Working Conditions

• Full-time, on-site role based at Mishimoto’s Garnet Valley, PA headquarters
• Regular office environment