Senior Stock Administrator

The Basics:We are looking for a Senior Stock Administrator to support the day-to-day operation of our global equity compensation program. This person will help manage the full lifecycle of RSU awards, from issuance through vesting and release, maintain cap table accuracy, and support the financial reporting and audit work tied to equity. You'll work closely with Payroll, Legal, HR/Benefits, and our stock plan platform provider. This is a hands-on role suited to someone who has run equity operations at scale, is comfortable owning process rather than just executing tasks, and knows how to use AI tools to make equity operations faster and more accurate. This position follows the Company’s hybrid schedule which currently requires employees to work in the office at one of the following locations a minimum of three days per week: Addison, TX; Bellevue, WA; Durham, NC; Emeryville, CA; or Reston, VA.What you’ll do:Administer day-to-day global equity operations, including new grant setup, RSU vesting and releases, terminations, and grant cancellations Maintain accurate grant and vesting data in the stock plan platform (e.g., Shareworks) and reconcile against internal systems Oversee cap table management and ensure data accuracy across the platform, HRIS, and internal trackers Assist with tax withholding and reporting for equity events, working with Payroll to confirm accuracy Ensure compliance with applicable equity and securities regulations and internal governance requirements Support financial reporting requirements related to equity, including preparing and reviewing equity-related disclosures for audits and filings Respond to employee questions about their equity awards, vesting dates, and tax withholding Prepare recurring and ad hoc reports for Finance, Payroll, Legal, and leadership Support internal controls and audit requests related to equity administration Assist with IPO readiness projects, including equity data cleanup, cap table validation, system analysis and process documentation Use AI tools to build and improve equity administration processes, such as ticket handling, employee inquiry responses, and vesting tracking, and document these processes clearly for the team We’re looking for someone with:Bachelor's degree in Finance, Accounting, Business, or a related field 3-4+ years of experience in stock plan administration, including RSU processing Experience at a publicly traded company is strongly preferred, given the higher bar for reporting accuracy, SEC-related deadlines, and audit readiness in that environment Strong knowledge of equity compensation regulations and tax implications Working knowledge of equity administration platforms (Shareworks, Equity Edge Online, or similar) Solid understanding of RSU mechanics: cliff vesting, tranche-based vesting, vesting pauses, and adjusted vest dates Practical experience using AI tools (e.g., for drafting communications, building trackers, or automating routine tasks) to improve accuracy and speed in an operational role Advanced Excel and data management skills; comfort building and maintaining tracking tools High attention to detail and strong analytical ability, with a track record of catching discrepancies before they become problems Ability to handle confidential compensation data with discretion Clear written and verbal communication, including explaining equity concepts to non-experts and coordinating across Finance, Legal, HR, and PayrollNice to have: CEP Level II or III candidate or CEP (Certified Equity Professional) designation Experience with a company transitioning from private to public, or vice versa Familiarity with global equity plans and cross-border compliance Strong stakeholder management skills across Finance, Legal, HR, and Payroll About Tanium Tanium is the Autonomous IT company. Driven by AI and real-time endpoint intelligence, Tanium Autonomous IT empowers IT and security teams to make their organizations unstoppable.Many of the world’s leading organizations trust Tanium’s single, unified platform for endpoint management and security to innovate faster, stay resilient and move business forward with confidence, at scale. To learn how Tanium delivers Autonomous IT for unstoppable business – visit  and follow us on LinkedIn and X.On a mission. Together. At Tanium, we are stewards of a culture that emphasizes the importance of collaboration, respect, and diversity. In our pursuit of revolutionizing the way some of the largest enterprises and governments in the world solve their most difficult IT challenges, we are strengthened by our unique perspectives and by our collective actions. As a global organization with stakeholders around the world, it’s imperative that the diversity of our customers and communities is reflected internally in our team members. We strive to create a diverse and inclusive environment where everyone feels they have opportunities to succeed and grow because we know that only together can we do great things. Our commitment to excellence and innovation has earned us a place on the Forbes Cloud 100 list for ten consecutive years, and we continue to be recognized worldwide as a great place to work. Each of our team members has 5 days set aside as volunteer time off (VTO) to contribute to the communities they live in and give back to the causes they care about most. What you’ll get The annual base salary range for this full-time position is $100,000 to $155,000. This range is an estimate for what Tanium will pay a new hire. The actual annual base salary offered may be adjusted based on a variety of factors, including but not limited to, location, education, skills, training, and experience. In addition to an annual base salary, team members will receive equity awards and a generous benefits package consisting of medical, dental and vision plan, family planning benefits, health savings account, flexible spending account, transportation savings account, 401(k) retirement savings plan with company match, life, accident and disability coverage, business travel accident insurance, employee assistance programs, disability insurance, and other well-being benefits.Tanium is an Equal Opportunity and Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, gender identity, sexual orientation, disability, protected Veteran status, or other legally protected categories. 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