Finance Intern, Accounting at Mimecast in Lexington, MA

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 both critical thinking, problem solving and
management skills in a real-world setting. This is a hybrid position, meaning 2-3 days per
week in our Lexington MA offices.

What To Expect

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 We’re Looking For

Must-Haves:

• Undergraduate student (rising senior preferred)

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

• plus.

• Base 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.

Nice-to-Haves:

• Experience with accounting software or ERP systems (major / concentration in

• Accounting)

• Interest in technology or cybersecurity

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.