Tax Director

About The Job

At MNTN, we put our people first, full stop. This allows our company culture to be defined by our team members, and their shared values, like trust, ambition, quality, radical honesty, and compassionate leadership. It’s why we all really love working for the Hardest Working Software in Television™ (and also why we were named one of Ad Age’s Best Places To Work in 2024.)

We pride ourselves on bringing unrivaled performance and simplicity to Connected TV advertising. Our self-serve technology makes running TV ads as easy as search and social and helps brands drive measurable conversions, revenue, site visits, and more. It’s what led MNTN to being named one of Fast Company's Most Innovative Companies in 2023. You can learn more about us and everything we do by visiting https://mountain.com/.

So if wanting to do more, own more, and make a bigger impact comes naturally to you, then you may just the person we're looking for to join us on our next stage of growth.

We are seeking a part-time Tax Director to lead all aspects of tax compliance, provision, and planning. This is a high-impact role ideal for a seasoned tax professional who thrives in a hands-on environment and is excited to build and optimize tax functions at a growth-stage company.

You’ll be our go-to tax expert, overseeing everything from federal and state compliance to global tax provision and planning—with the support of external advisors. The role is part-time and flexible, requiring approximately 10–30 hours per week, with potential to scale.

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What You’ll Do

• Own the full-cycle tax function, including direct and indirect tax compliance (income/franchise, sales/use, etc).
• Prepare or manage the preparation of federal, state, and international tax returns through outside service providers.
• Prepare or manage the quarterly and annual tax provision (ASC 740), including review, documentation, and submission to auditors.
• Lead tax planning initiatives and provide strategic guidance to leadership on tax-efficient structures, M&A, and risk mitigation.
• Maintain and improve internal tax controls and documentation in line with SOX requirements.
• Manage relationships with tax advisors, auditors, and governmental authorities.
• Advise internal teams (Finance, Legal, Ops) on tax implications of new products, contracts, and expansion into new markets.
• Monitor changes in tax laws and ensure compliance across jurisdictions.
• Drive efficiency in tax processes by implementing or refining systems (e.g., OneSource, internal workpapers).

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What You’ll Bring

• CPA and/or MST required
• 10+ years of corporate tax experience, including work with public companies and including 4+ at Big 4 accounting firm
• Strong knowledge of ASC 740 and SEC reporting requirements
• Hands-on experience managing U.S. federal, state, and international tax compliance
• Proven ability to work independently and lead tax operations end-to-end
• Experience working with auditors and managing tax provisions in a public company setting
• Comfortable improving and documenting tax controls for SOX compliance
• Familiarity with tax software (e.g., OneSource) is a plus

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How to Apply

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