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American Tower · Boston, MA

Internal Audit Co-Op

Boston, MA, United StatesHybridEarly careerFinance & Accounting

Listed on American Tower’s official careers site. Posted September 2, 2026. Check that it is still open and apply there.

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Job description

The Team We are seeking an Internal Audit Intern/Co-Op to join American Tower’s Internal Audit team. The Internal Audit team is responsible for company-wide coverage, focusing on financial, operational, and internal control processes. Day to day you will be responsible for executing financial and operational risk-based audits, testing SOX-404 controls, as well as working on special projects and investigations in accordance with the internal audit plan.

You will also assist in audit planning, perform internal audit testing procedures, as well as assist in the preparation of internal audit reports. You will be introduced to key day-to-day processes and play a vital role as a valued team member. You will have the opportunity to engage in meaningful projects, receive mentorship from experienced professionals, and develop your skills in a supportive and dynamic environment, providing you with hands-on experience and valuable insights to prepare you for a successful career in the industry.

Responsibilities

What You Can Offer Us Support the SOX-404 process, including scoping, planning, walkthroughs, testing and status reporting. Evaluate the adequacy of internal control and processes through detailed testing. Compile audit findings and recommend value-added revisions to systems and procedures. Follow-up on open audit issues. Assist in confidential audits or fraud investigations. Participate on cross-functional efforts within the company to improve company operations such as: project task forces, internal control committees, corporate-wide initiatives, process excellence teams, or other cross functional efforts.

Support external auditors. Other duties as assigned.

Qualifications

What You Need to Succeed Current enrollment in an undergraduate or graduate program, pursuing a degree in Accounting, Internal-Audit, or a related major required (e.g. Risk Management, Data Science, Business, and/or IT). Minimum 3.0 GPA required. Strong computer skills, including Microsoft Office suite. Superior analytical, critical thinking and problem-solving skills. Knowledge of GAAP, Committee of Sponsoring Organizations of the Treadway Commission (COSO), SOX.

Strong written and oral communication skills, including the ability to present ideas and suggestions clearly and effectively. Ability to work with different functional groups and levels of employees to achieve results effectively and professionally. 5% travel to local, Massachusetts offices may be required. Strong organization and prioritization skills.

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