Senior Staff Accountant

Senior Staff Accountant

Who We Are

Mishimoto’s mission is to empower automotive enthusiasts through engineered solutions that elevate performance, reliability, and design — enabling them to push their vehicles further with confidence. Our foundation is in performance cooling, but our mission extends to any engineered product that meaningfully improves the vehicles our customers care deeply about. We build for people who are part of the car community — who modify, upgrade, and obsess over their vehicles as a form of self-expression. Our vision is to become the trusted performance partner for automotive enthusiasts worldwide.

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.
• 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 Bring

Skills 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.

Our Core Values

The principles that guide how we show up every day — and what we expect from everyone on the team.

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