Sr. Stock Plan Administration Manager

Viant Technology; Irvine (CA); On-site; USD 160,000 - 180,000; Full time

Benefits offered by this job

Fully paid health insurance

Paid parental leave

Unlimited PTO

Job summary

Viant Technology is seeking a Sr. Stock Plan Administration Manager to lead the administration of the company’s equity programs, including options and RSUs, ensuring accuracy and compliance.

You will partner with HR, Legal, Finance, and Payroll to maintain data integrity and audit readiness across systems. You will manage grant processing, reporting for SEC filings, and disclosure activities while building robust controls and scalable processes to support growth.

Qualifications

• 5+ years of stock plan administration experience, preferably in a U.S. public company.
• CEP Level 1 is required; Level 3 strongly preferred.
• Strong knowledge of equity compensation plans and related accounting, tax, and regulatory requirements.
• Experience with stock administration systems (E*TRADE / Equity Edge Online).
• Advanced MS Office skills: Excel (VLOOKUPs, Pivot), Word, PowerPoint.
• Experience supporting SOX compliance and working with auditors.
• Detail-oriented with strong ownership and accountability.
• Ability to prioritize multiple projects in a dynamic environment.
• Excellent interpersonal, written, and verbal communication skills.

Responsibilities

• Manage grant processing, vesting, exercises, terminations, and share tracking.
• Maintain data integrity across systems with regular reconciliations.
• Partner with HR to align equity grant processes with policies and data governance.
• Prepare reports for EPS, equity tables, ownership tables, and SEC disclosures.
• Assist with Section 16 disclosures and executive 10b5-1 tracking.
• Support monthly/quarterly/annual close with equity analyses.
• Design and document equity SOX controls and strengthen processes.
• Collaborate with Legal, Finance, Tax, HR, and Payroll to ensure compliance.
• Prepare documentation for audits with internal and external teams.
• Reconcile large datasets to identify discrepancies and improve data quality.
• Develop SOPs and scalable processes for growth and audit readiness.
• Manage relationships with transfer agents and equity system vendors.
• Respond to inquiries from holders and educate employees on equity awards.

Skills

Stock plan administration

Data integrity

SOX controls

Cross-functional collaboration

Attention to detail

Data reconciliation

Education

CEP Level 1

CEP Level 3 (preferred)

Tools

E*TRADE / Equity Edge Online

HRIS

Job description

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.

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.