Viant

Omnichannel DSP with first-party data

Senior Stock Plan Administration Manager

Financial AccountingConfirmed live in the last 24 hours

Full-timeIrvine, CA, USA$160k - $180kIn-person

About the Job

Requirements

At least five years of stock plan administration experience, preferably in a U.S. public company.
Certified Equity Professional Level 1 certification is required; Level 3 certification is strongly preferred.
Strong knowledge of equity compensation plans and related accounting, tax, and regulatory requirements.
Experience working with stock administration systems such as E*TRADE or Equity Edge Online.
Advanced Microsoft Office skills, including complex data analysis, VLOOKUPs, and PivotTables in Excel, as well as Word and PowerPoint.
Experience supporting Sarbanes-Oxley compliance and working with internal and external auditors.
Ability to prioritize multiple projects and operate in a dynamic, rapidly evolving organization.

Responsibilities

Manage equity compensation program administration, including grant processing, vesting, exercises, terminations, and share tracking.
Maintain equity data integrity across systems, including EEO, HRIS, and reporting tools, and regularly reconcile data between Stock Administration, HR, and Payroll.
Partner with HR to manage equity grant processes in alignment with internal policies, approval workflows, and data governance practices.
Prepare recurring and ad hoc reports for financial reporting, including earnings per share, equity award tables, beneficial ownership tables, and disclosures for SEC filings, including Forms 10-K and 10-Q and proxy statements.
Assist with preparing and filing Section 16 disclosures, including Forms 3, 4, 5, and 144, and support tracking executive 10b5-1 plans.
Support monthly, quarterly, and annual close processes by providing equity-related analyses and reporting to Finance, Accounting, and Tax teams.
Design, execute, and document equity-related SOX controls, and implement best practices to strengthen the control environment.
Collaborate with Legal, Finance, Tax, HR, and Payroll to ensure compliance with equity plan terms, regulatory requirements, and company policies.
Partner with internal and external auditors by preparing documentation, supporting audit requests, and addressing inquiries.
Analyze and reconcile large datasets to identify discrepancies, ensure completeness, and improve data quality.
Contribute to developing and documenting standard operating procedures and scalable processes that support company growth and audit readiness.
Assist in managing relationships with third-party providers, including transfer agents and equity system vendors.
Respond to inquiries from Class B unit holders and support related communications.
Educate and support employees regarding equity awards, respond to complex inquiries, and maintain equity-related content on the company’s internal website.
Manage and support special projects, including system implementations, process improvements, and equity program enhancements.

Desired Qualifications

Experience administering stock plans in a U.S. public company.
Certified Equity Professional Level 3 certification.
Strong attention to detail and commitment to data integrity.
Proven ability to build relationships and collaborate cross-functionally, with strong interpersonal, written, and verbal communication skills.

WHAT YOU’LL DO

Viant is seeking a Sr. Stock Plan Administration Manager to support and scale the company’s equity incentive programs, including non-qualified stock options, restricted stock units, and performance-based stock. This role reports to the Director of Stock Plan Administration to ensure accurate, compliant, and efficient administration of equity programs, while driving process improvements and strengthening controls.

The Sr. Stock Plan Administration Manager will serve as a key operational leader, managing day-to-day equity administration activities, supporting audit readiness, and partnering cross-functionally with HR, Legal, Finance, and Payroll to ensure data integrity and alignment across systems.

THE DAY-TO-DAY

Manage the administration of equity compensation programs, including grant processing, vesting, exercises, terminations, and share tracking
Maintain the integrity of equity data across systems (EEO, HRIS, and reporting tools), including regular reconciliation between Stock Administration, HR, and Payroll
Partner with HR to manage equity grant processes, ensuring alignment with internal policies, approval workflows, and data governance practices
Prepare recurring and ad hoc reports to support financial reporting, including earnings per share (EPS), equity award tables, beneficial ownership tables, and disclosures for SEC filings (Form 10-K, 10-Q, and proxy statements)
Assist with the preparation and filing of Section 16 disclosures (Forms 3, 4, 5, and 144) and support tracking of executive 10b5-1 plans
Support monthly, quarterly, and annual close processes by providing equity-related analyses and reporting to Finance, Accounting and Tax teams
Design, execute, and document equity-related SOX controls, and implement best practices to strengthen the control environment
Collaborate cross-functionally with Legal, Finance, Tax, HR, and Payroll to ensure compliance with equity plan terms, regulatory requirements, and company policies
Partner with internal and external auditors by preparing documentation, supporting audit requests, and addressing inquiries
Analyze and reconcile large datasets to identify discrepancies, ensure completeness, and improve data quality
Contribute to the development and documentation of SOPs and scalable processes to support company growth and audit readiness
Assist in managing relationships with third-party providers, including transfer agents and equity system vendors
Respond to inquiries from Class B unit holders and support related communications
Provide education and support to employees regarding equity awards, including responding to complex inquiries and maintaining equity-related content on the Company’s internal website
Manage and support special projects, including system implementations, process improvements, and equity program enhancements

GREAT TO HAVE

5+ years of stock plan administration experience, preferably in a U.S. public company
Certified Equity Professional (CEP) Level 1 required; Level 3 strongly preferred
Strong knowledge of equity compensation plans and related accounting, tax, and regulatory requirements
Experience working with stock administration systems (e.g., E*TRADE / Equity Edge Online)
Advanced Microsoft Office skills in Excel (complex data analysis, Vlookups, Pivot tables), Word, and PowerPoint
Experience supporting SOX compliance and working with internal/external auditors
Strong attention to detail and commitment to data integrity
Ability to prioritize multiple projects and operate in a dynamic, rapidly evolving organization
Proven ability to build relationships and collaborate cross-functionally; excellent interpersonal, written, and verbal communication skills
Self-motivated with a strong sense of ownership and accountability

LIFE AT VIANT

Investing in our employee’s professional growth is important to us, but so is investing in their well-being. That’s why Viant was voted one of the best places to work and some of our favorite employee benefits include fully paid health insurance, paid parental leave and unlimited PTO and more.

Base compensation range: $160,000 - $180,000

In accordance with California law, the range provided is Viant’s reasonable estimate of the compensation for this role. Final title and compensation for the position will be based on several factors including work experience and education.

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About Viant

Viant Technology (NASDAQ: DSP) is an exclusively buy-side, AI-powered advertising platform purpose-built for CTV. Viant uniquely combines proprietary content intelligence, household-level identity resolution, and person-level attention signals to connect advertisers with real customers and drive measurable outcomes across the open internet. Through its award-winning AI solutions, Viant is building the future of autonomous advertising, where AI doesn't just assist the campaign, it delivers real results. Learn more at viantinc.com.

Viant is an equal opportunity employer and makes employment decisions on the basis of merit. Viant prohibits unlawful discrimination against employees or applicants based on race (including traits historically associated with race, such as hair texture and protective hairstyles), religion, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, reproductive health decision making, gender, gender identity, gender expression, age, military status, veteran status, uniformed service member status, sexual orientation, transgender identity, citizenship status, pregnancy, or any other consideration made unlawful by federal, state, or local laws. Viant also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.

By clicking “Apply for this Job” and providing any information, I accept the Viant California Personnel Privacy Notice.

About the Company

Viant

Omnichannel DSP with first-party data

Viant is a people-based advertising software company that runs Adelphic, a self-service demand-side platform (DSP) for omnichannel digital advertising. It lets ad buyers plan, create, execute, and measure campaigns across TV, mobile, desktop, audio, and digital out-of-home, including connected TV with IPv6 support. The platform uses Viant’s first-party data linked to about 115 million households and over 1 billion connected devices, combined with more than 280,000 audience attributes from 70+ data partners, to enable scaled, accurate audience targeting and attribution. What sets Viant apart is its emphasis on people-based data for cross-channel targeting, its IPv6-enabled CTV capabilities, and its integrated, self-serve workflow. The company's goal is to help advertisers reach the right people at the right time across all channels, with clear measurement and attribution for their investments.

Company size: 201-500
Company stage: IPO
Headquarters: Irvine, CA
Founded: 1999

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