Sr. Manager, Accounting at Illumio (Sunnyvale, CA / HQ)Sr. Manager, Accounting

ONWARDS TOGETHER!

Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by the Illumio AI Security Graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters.

Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running.

LOCATION: 4 ON-SITE DAYS A WEEK IN SUNNYVALE, CA HEADQUARTERS.

Our Finance team operates at the forefront of Zero Trust Segmentation, driving efficient growth and strategic partnerships with our key stakeholders. We are dedicated to building scalable infrastructure and optimizing our financial model to support Illumio’s ambitious business goals.

As we embark on a significant phase of growth, we welcome individuals who embody our values, consistently deliver excellence, and drive innovation. Join us in shaping the future of cybersecurity while advancing your career at Illumio, where every contribution counts towards our collective success.

• Manage end-to-end cash processes including forecasting, payment initiation and approval, and overall treasury management.
• Oversee Accounts Payable and Expenses, including corporate credit cards, ensuring efficiency, accuracy, and compliance.
• Own certain month-end financial close activities such as expense trend analyses, departmental P&L reviews, and close review sessions with the Controller and CFO.
• Coordinate closely with tax providers to ensure compliance and accuracy in financial reporting.
• Review and prepare general ledger entries, reconciliations, and fluctuation analyses in areas including prepaid, accruals, and fixed assets.
• Lead accounting-related projects aimed at process improvement, system implementation, and workflow automation.
• Serve as a key people manager, mentoring and developing a high-performing team and overseeing vendor and offshore resources.
• Responsibilities may evolve based on business needs and strategic priorities.

• This role operates across multiple concurrent workstreams with frequent prioritization shifts. Success requires strong self-management, responsiveness, and the ability to keep work moving independently while maintaining accuracy and control discipline.
• Bachelor’s degree in Accounting, Finance, or related field; CPA strongly preferred
• 8+ years of progressive accounting experience with 3+ years in management roles.
• Extensive knowledge of cash management, accounts payable, month-end close processes, and tax coordination.
• Experience managing teams, vendors, and offshore resources, demonstrating strong leadership and organizational skills.
• Proficiency with NetSuite and Microsoft Office Suite including advanced Excel skills.
• Demonstrated experience driving process improvements, automation initiatives, and managing complex accounting projects.
• Excellent verbal and written communication skills, capable of effectively working cross-functionally.

Our Commitment

Illumio believes that an environment of unique backgrounds, experiences, viewpoints, and individual contributions creates a culture of belonging, drives our future, and makes us stronger together in support of our customers and their success.

All official job offers from our company are extended directly by our recruitment team and will be sent through an official E-Signature document for your review and signature. Please be aware that we do not ask for any personal information in the process of extending offers of employment, such as financial details or social security numbers. Upon acceptance of any offer, we will request such information as part of the onboarding process prior to or on your first day of employment, and only after completing a background check through an authorized third-party vendor. If you receive any communication asking for personal details outside of these processes, please contact us immediately to verify the authenticity of the request. Your security is important to us, and we are committed to a safe and transparent hiring experience.

For roles in San Francisco and Los Angeles: Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Illumio will consider for employment qualified applicants with arrest and conviction records.