Sr. Stock Plan Administration Manager

Sr. Stock Plan Administration ManagerIrvine, California, United StatesWHAT YOU'LL DOViant 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-DAYManage the administration of equity compensation programs, including grant processing, vesting, exercises, terminations, and share trackingMaintain the integrity of equity data across systems (EEO, HRIS, and reporting tools), including regular reconciliation between Stock Administration, HR, and PayrollPartner with HR to manage equity grant processes, ensuring alignment with internal policies, approval workflows, and data governance practicesPrepare 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 plansSupport monthly, quarterly, and annual close processes by providing equity-related analyses and reporting to Finance, Accounting and Tax teamsDesign, execute, and document equity-related SOX controls, and implement best practices to strengthen the control environmentCollaborate cross-functionally with Legal, Finance, Tax, HR, and Payroll to ensure compliance with equity plan terms, regulatory requirements, and company policiesPartner with internal and external auditors by preparing documentation, supporting audit requests, and addressing inquiriesAnalyze and reconcile large datasets to identify discrepancies, ensure completeness, and improve data qualityContribute to the development and documentation of SOPs and scalable processes to support company growth and audit readinessAssist in managing relationships with third-party providers, including transfer agents and equity system vendorsRespond to inquiries from Class B unit holders and support related communicationsProvide education and support to employees regarding equity awards, including responding to complex inquiries and maintaining equity-related content on the Company's internal websiteManage and support special projects, including system implementations, process improvements, and equity program enhancementsGREAT TO HAVE5+ years of stock plan administration experience, preferably in a U.S. public companyCertified Equity Professional (CEP) Level 1 required; Level 3 strongly preferredStrong knowledge of equity compensation plans and related accounting, tax, and regulatory requirementsExperience 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 PowerPointExperience supporting SOX compliance and working with internal/external auditorsStrong attention to detail and commitment to data integrityAbility to prioritize multiple projects and operate in a dynamic, rapidly evolving organizationProven ability to build relationships and collaborate cross-functionally; excellent interpersonal, written, and verbal communication skillsSelf-motivated with a strong sense of ownership and accountabilityLIFE AT VIANTInvesting 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 ViantViant 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, religion, 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.