Finance Intern, Accounting

We are seeking a motivated undergraduate intern to join our Accounting team for Summer 2026! This multi-faceted role, while rooted in the fundamentals of corporate accounting, will provide a broad exposure across Accounting, Finance, Tax, Treasury, Procurement, Corporate Development or Finance Transformation functions providing a holistic view of how a software company operates financially and strategically. You'll work closely with other finance functions and develop bothcritical thinking, problem solving and management skillsin a real-world setting. This is a hybrid position consisting of 2-3 days per week in our Lexington MA office.

What You'll Do

Drive Process Excellence

• Take ownership of a project aimed at solving a real business challenge and help drive a permanent solution to the problem

• Collaborate with the accounting team to analyze workflows and recommend efficiencies

• Leverage AI and other technology to contribute to process improvement initiatives within the accounting function

• Work alongside other teams on cross-functional projects

Apply critical thinking

• Analyze financial data to identify trends or discrepancies

• Recommend improvements to finance and business processes

Communicate findings

• Collaborate with team members to prepare reports and presentations for senior management.

• Present summaries and recommendations to accounting leadership

What You'll Bring

• Undergraduate student (rising senior preferred)

• Proficiency with Microsoft Excel and PowerPoint; financial modeling experience is a plus

• Coursework in accounting fundamentals (e.g., intro to financial or managerial accounting)

• Strong critical thinking and organizational skills

• Attention to detail and accuracy

• Excellent written and verbal communication skills

• Experience with accounting software or ERP systems (major / concentration in Accounting) nice to have

• Interest in technology or cybersecurity a bonus

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 Affirmative Action Employer, and we'd 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 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.