Senior Manager, Revenue Accounting

** Senior Manager, Revenue Accounting
**** Description
* * Mimecast is a leading cybersecurity company transforming the way businesses manage and mitigate human risk. Its AI-powered, API-enabled connected human risk platform is purpose-built to protect organizations from the spectrum of cyber threats. Integrating cutting-edge technology with human-centric pathways, our platform enhances visibility and provides strategic insight.

More than 42,000 businesses worldwide trust Mimecast to help them keep ahead of the ever-evolving threat landscape. Founded in 2003, we serve over 42,000 customers across more than 100 countries, securing 27 million end users worldwide. Mimecast is headquartered in London with our North American HQ in Lexington, MA.
** About the Role
** Strategic, cross‐functional role that leads Mimecast’s revenue accounting and drives our transformation agenda.

Customer Finance Operations is looking for a Senior Manager, Revenue Accounting to own technical revenue recognition globally and lead the next phase of how the function operates. Reporting to the Senior Director, Customer Finance Operations and leading a small team, you'll be the authority on ASC 606 at Mimecast — partnering with Go-to-Market, the Commercial Desk, Legal, FP&A, Product, and IT Systems to turn new business models, pricing constructs, and non-standard terms into revenue treatments that are compliant, repeatable, and built to scale.

This is a fast-moving global SaaS environment where technical rigor and pragmatism are both essential.

You’ll have the opportunity to drive automation and AI to the mechanical parts of revenue accounting. Mimecast has invested heavily in AI across the company. Finance is expected to do the same, and a meaningful share of that mandate sits in this role.
** What You'll Do:
**** Technical Revenue Ownership
*** Act as the global subject matter expert on ASC 606, providing authoritative interpretation, analysis and documented conclusions across all regions and product lines.
* Review non-standard, complex and strategic contracts — multi-element arrangements, channel and MSP/distribution structures, ramps, credits, and consumption or hybrid pricing constructs — and determine the appropriate accounting treatment.
* Own standalone selling price (SSP) analyses, customer benefit period assessments, and material right evaluations, including the underlying data, methodology and refresh cadence.
* Own and maintain the global revenue recognition policy, translating technical guidance into practical, usable direction for the business.
* Assess the revenue implications of new products, packaging, pricing models and routes to market before they launch.
** Global Revenue Close, Controls and Audit
*** Direct the monthly, quarterly and annual global revenue close, including reviews, controls and executive-ready flux and variance analysis.
* Own the internal control environment over revenue, ensuring controls are designed and evidenced to withstand external audit scrutiny.
* Serve as the primary liaison to the external auditors on all revenue matters, driving efficient, well-documented audit cycles.
* Drive process, policy and control consistency across regional revenue accounting teams, and communicate changes in application of policy clearly and proactively.
** AI, Automation and Transformation
*** Own the transformation roadmap for revenue accounting: identify, prioritize and deliver initiatives that reduce cycle time, eliminate manual effort and improve accuracy and auditability.
* Apply AI and agentic tooling to core revenue workflows — contract abstraction and review, SSP and pricing analysis, account reconciliations, flux commentary, audit and PBC preparation, and technical accounting research.
* Partner…