Senior GTM Financial Analyst

Mimecast North America, Inc.; Lexington (MA); Hybrid; USD 84,000 - 126,000; Full time

Job summary

Mimecast North America, Inc. is seeking a Senior GTM Financial Analyst to partner with the GTM organization on planning, forecasting, and commission analysis in a fast-growing SaaS environment.

You will own core financial models, support headcount and territory design, and translate data into actionable insights for leadership through monthly reviews. The role emphasizes cross-functional collaboration with RevOps, Sales, and Customer Success, with a hybrid work model and the opportunity to

Qualifications

• 3–5 years of FP&A or GTM/revenue finance experience.
• Proven commission analysis and sales compensation experience.
• Strong SaaS metrics knowledge: ARR, CAC, LTV/CAC, NRR/GRR.
• Advanced Excel/Sheets and financial modeling skills; able to build models independently.
• Experience with reporting/planning tools and ERP/CRM systems (Salesforce, NetSuite, Anaplan, etc.).

Responsibilities

• Lead GTM forecasting and budgeting with the Director, GTM Finance.
• Build capacity models for headcount planning, territory design, and productivity.
• Conduct scenario planning and ad hoc analysis on GTM initiatives and pipeline shifts.
• Own commission analysis and sales compensation modeling; track plan payouts.
• Support territory planning and plan design questions with HR/Sales Ops.
• Analyze pipeline health, bookings trends, and sales productivity with RevOps.
• Maintain dashboards for revenue, headcount, and GTM performance.
• Prepare monthly business review narratives translating data into insights.
• Analyze core SaaS KPIs: ARR, bookings, CAC, LTV/CAC, NRR/GRR, retention.
• Ensure data integrity across Salesforce, NetSuite, Anaplan; assist with month-end close.

Skills

FP&A experience

GTM/revenue finance

SaaS metrics

Advanced Excel/Sheets

Cross-functional partnering

Data storytelling

SQL basics

Forecasting & budgeting

Modeling expertise

Communication

Education

MBA

CPA

CFA

Tools

Tableau

Power BI

Looker

Anaplan

Adaptive Insights

Mosaic

Salesforce

NetSuite

Job description

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.

RevOps 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, NetSuite, 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, NetSuite).
• Strong communicator who can partner cross-functionally with RevOps, 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 collaborative teamwork and individual flexibility. Employees are expected to come to the office at least two days per week, because working together in person: Fosters a culture of collaboration, communication, performance and learning Drives innovation and creativity within and between teams Introduces employees to priorities outside of their immediate realm Ensures important interpersonal relationships and connections with one another and our community! The base salary range for this position is $84,000 to $126,000 plus benefits. This range represents the minimum and maximum new hire compensation for this role. The position may also be eligible for incentive plans and additional benefits, in accordance with company policy and local regulations. Our salary ranges are determined by role, level, and location with individual compensation also dependent on factors such as qualifications, experience, and skills. Final offers will reflect these considerations and may vary accordingly.

Belonging at Mimecast Cybersecurity is a community effort. That’s why we’re committed to building an inclusive, diverse community that celebrates and welcomes everyone – unless they’re a cybercriminal, of course. We’re proud to be an Equal Opportunity and ... We particularly welcome applicants from traditionally underrepresented groups. We consider everyone equally: your race, age, religion, sexual orientation, gender identity, ability, marital status, nationality, or any other protected characteristic won’t affect your application. Due to certain obligations to our customers, an offer of employment will be subject to your successful completion of applicable background checks, conducted in accordance with local law. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. We save companies the embarrassment of awkward data slip ups by disrupting cybercriminal activity. We think fast, go big and always demand more. We work hard, deliver – and repeat. We grow with meaningful determination. And put success well within our reach. We empower each other, live by our values, and always deliver on our purpose. We push each other to be better and expect to be pushed back. This is a community of respect. Where everyone is counted.