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Sr. Infrastructure & Cloud Spend Manager

Mimecast


Job Location:

Lexington, KY - USA

Yearly Salary: USD 132000 - 198000
Posted: 2 September 2026 (13 hours ago)
Application Deadline: 30 November 2026
Vacancies: 1 Vacancy

Job Summary

Sr. Infrastructure & Cloud Spend Manager

About Mimecast

The work people build is worth protecting and its harder to protect than it used to be. AI agents now move at machine speed with human-level access and a small slip-up can become a very public one. We disrupt cybercriminal activity before that happens. We think fast go big and always demand more of ourselves. We work hard deliver and repeat. We grow with real determination and put success well within reach. We push each other to be better and expect to be pushed back in a community built on respect where everyone is counted. Work Protected.

Overview

Product & Engineering Finance is looking for a Sr. Infrastructure & Cloud Spend Manager to own end-to-end financial visibility and accountability for cloud and infrastructure spend. Youll partner closely with Engineering Product and Procurement to strengthen forecasting discipline drive cost optimization and inform strategic decisions. Cloud and infrastructure spend represents one of Mimecasts most significant and fastest-growing cost lines. This is a highly visible individual contributor role reporting to the VP Product Finance & Corporate Development and based in our Lexington MA office (hybrid onsite schedule). Youll have the opportunity to build scalable infrastructure cost-management capabilities in a PE-backed environment focused on growth and margin performance.

What Youll Do

  • Serve as the primary Finance owner for cloud and infrastructure spendincluding AWS Azure GCP data centers and colocationacross the business.

  • Build and maintain a comprehensive cost taxonomy that maps spend to products teams and business units establishing a clear reporting baseline within your first 90 days.

  • Lead monthly quarterly and annual forecasting for cloud and infrastructure spend connecting usage trends with the product roadmap customer growth and Engineering capacity plans.

  • Support annual budgeting and long-range planning for infrastructure cost lines delivering clear and actionable variance analysis against budgets and forecasts.

  • Identify quantify and drive cost-optimization opportunities including reserved instances savings plans rightsizing and architecture changes in partnership with Engineering.

  • Evaluate vendor contracts and commitments and support negotiations with data-driven cost and usage analysis.

  • Champion FinOps best practices and tooling while building dashboards and self-service analytics that provide Finance Engineering and executive leaders with visibility into cloud spend and unit economics.

  • Act as a trusted advisor to Engineering leadership on the financial implications of architecture and infrastructure decisions presenting findings and recommendations to senior Finance and business leaders.

  • Develop a rolling infrastructure spend forecast adopted by Engineering and Finance leadership within six months and drive measurable cost savings and a mature FinOps reporting cadence within the first year.

  • Contribute to the broader Product & Engineering Finance teams goals around cost discipline and EBITDA impact.

What Youll Bring

  • Demonstrated expertise in FP&A cost and financial analysis or FinOps with the proficiency and autonomy to own complex infrastructure spend in a SaaS or cloud-native technology environment.

  • Strong understanding of cloud infrastructure cost drivers and pricing models across AWS Azure and GCP.

  • Advanced Excel and financial modeling skills with the ability to analyze large complex datasets and translate findings into actionable recommendations.

  • Excellent communication and business-partnership skills including the ability to turn technical cost drivers into clear financial narratives for non-technical stakeholders.

  • Experience with FinOps tooling such as CloudHealth Cloudability Kubecost or native cloud cost-management tools is preferred.

  • SQL proficiency and hands-on experience with Snowflake or a similar data platform is preferred.

  • Experience operating in a PE-backed or high-growth environment with an emphasis on EBITDA-focused cost management is preferred.

  • A bachelors degree in Finance Accounting Economics or a related field.

  • FinOps Certified Practitioner certification or willingness to obtain it is preferred.

The base salary range for this position is 132000 - 198000 USD 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. Thats why were committed to building an inclusive diverse community that celebrates and welcomes everyone unless theyre a cybercriminal of course.

Were proud to be an Equal Opportunity and Affirmative Action Employer and wed encourage you to join us whatever your background. 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 wont affect your application.

If you require any adjustments or accommodations due to a disability or any other reason that may help you in your interview process please let us know by emailing

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.


Required Experience:

Manager


About Company

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Protect email and collaboration tools with Mimecast. Manage human risk and stay ahead of cyber threats with advanced security solutions.

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