GTM Finance Analyst: Strategic Forecasting & Commission

Senior GTM Financial Analyst About the Position Mimecast is seeking a Senior GTM Financial Analyst to serve as a hands on financial analyst and partner to the GTM organization. Reporting to the Director, GTM Finance, you will own core planning, reporting, and commission analysis deliverables while building toward a strategic finance business partner role with Sales and Revenue Operations.

Key Responsibilities GTM Planning and Forecasting Lead forecasting and budgeting processes for GTM functions, partnering with the Director, GTM Finance on annual and long-range planning.

Build and maintain capacity models to support headcount planning, territory design, and productivity management.

Conduct scenario planning and ad hoc analysis to evaluate the financial impact of GTM initiatives, expansion strategies, and pipeline shifts.

Commission & Sales Compensation Analysis Own commission analysis and sales compensation modeling, including quota attainment, plan payouts, and productivity metrics.

Track and validate commission calculations for accuracy, flagging discrepancies and partnering with HR/Sales Ops on plan design questions.

Support territory planning and compensation plan modeling for new fiscal year rollouts.

Rev Ops Partnership & Reporting Liaise closely with Revenue Operations to analyze pipeline health, bookings trends, attainment, and sales productivity ratios.

Maintain and improve financial models and dashboards covering revenue, headcount, and GTM performance for leadership reporting.

Prepare performance reporting and financial narratives for monthly business reviews and leadership updates, translating data into clear, actionable insights.

SaaS Metrics & Data Integrity Analyze core SaaS/GTM KPIs, including ARR, bookings, pipeline, CAC, NRR/GRR, and retention, to identify risks and opportunities.

Ensure data integrity across financial and GTM systems (e.g., Salesforce, Net Suite, Anaplan), partnering with Accounting and Corporate FP&A on month-end close support such as variance analysis and budget-vs-actual reporting.

Qualifications Bachelor's degree in Finance, Accounting, Economics, or a related field.
3–5 years of progressive experience in FP&A, GTM/revenue finance, business analytics, or a related field.

Demonstrated experience with commission analysis, sales compensation, or territory planning.

Solid understanding of SaaS business models and metrics (e.g., ARR, CAC, LTV/CAC, NRR/GRR, pipeline velocity).Advanced Excel/Google Sheets skills and financial modeling ability; comfort building and maintaining models independently.

Working knowledge of reporting and planning tools (e.g., Tableau, Power BI, Looker, Anaplan, Adaptive Insights, or Mosaic) and ERP/CRM systems (e.g., Salesforce, Net Suite).Strong communicator who can partner cross-functionally with Rev Ops, Sales, and Customer Success and present insights to stakeholders beyond the finance team.

Highly organized and detail-oriented, able to manage multiple priorities and deadlines in a fast-paced environment.

Preferred Experience in high-growth SaaS or technology environments.

Exposure to SQL or scripting for data analysis.

MBA, CPA, or CFA (in progress or completed) a plus, but not required.

Join our Finance team to accelerate your career journey. You will be immersed in a dynamic environment that recognizes and celebrates your achievements.

Mimecast offers formal and on-the-job learning opportunities, maintains a comprehensive benefits package that helps our employees and their family members to sustain a healthy lifestyle, and importantly - working in cross functional teams to build your knowledge!

Our Hybrid Model:
We provide you with the flexibility to live balanced, healthy lives through our hybrid working model that champions both…