Manager, External Reporting

Requisition
28995
-Posted
06/01/2026

- Accounting/Finance

- Regular Exempt Full-Time Employee

Amkor Technology, Inc. (Nasdaq: AMKR) is the world’s largest U.S. headquartered OSAT and is a global leader in outsourced semiconductor packaging and test services. With a strong track record of innovation, a broad and diverse geographic footprint and solid partnerships with lead customers, Amkor delivers high-quality solutions that enable the world’s leading semiconductor and electronics companies to bring advanced technologies to market.

The company’s comprehensive portfolio includes advanced packaging, wafer-level processing, and system-in-package solutions targeting applications for smartphones, data centers, artificial intelligence, automobiles and wearables. For more information visit  .

We are seeking a high-energy

External Reporting Manager to join our Tempe, AZ, corporate offices. This position will be primarily responsible for supporting the process for SEC filings and conducting technical research in a great team environment.

• Lead the preparation and comprehensive review of SEC filings (Forms 10-K, 10-Q and 8-K), including ownership of key disclosure sections such as cash flow statements, and ensuring accuracy through detailed tie-outs and disclosure checklists
• Lead technical accounting research and prepare formal position papers for complex or non‑routine transactions in accordance with U.S. GAAP Manage and participate in special projects as assigned
• Manage accounting and reporting related to the Company’s 401(k) plan, including coordination of annual audit requirements
• Review lease contracts and evaluate accounting positions based on ASC 842
• Support the monthly and quarterly close process related to lease accounting, including reviewing journal entries and account reconciliations
• Maintain and enhance disclosure controls and procedures to ensure completeness and accuracy of external reporting
• Support SOX compliance efforts, including control design, execution, and documentation related to external reporting
• Partner with FP&A, Legal, Tax, Treasury, and Investor Relations to gather and validate information for external disclosures
• Support SEC reporting systems (e.g., Workiva), including document management, workflow coordination, and XBRL tagging review
• Participate in implementation and testing of new technologies and transformation/efficiency projects
• Mentor and develop junior team members, providing guidance on SEC reporting and technical accounting matters

The successful candidate must have at least a Bachelor's Degree in Accounting. The candidate will have at least 5 years of experience with a public accounting firm servicing public clients or equivalent in a large publicly traded company. At least 1 year of leadership or supervisory experience in an SEC reporting environment. CPA required.

• Demonstrate the ability to work independently, as well as in a team environment
• Demonstrate the ability to lead and participate in projects
• Express ideas clearly and effectively in both written and oral communications
• Have a proven ability to consistently meet deadlines
• Be a self-starter with natural desire to help others
• Possess excellent interpersonal skills and ability to work with all levels of management
• Be open to change, willing to pursue new challenges and able to manage multiple priorities
• Be a problem-solver with very strong organizational and analytical skills
• Exhibit superior attention to detail and high degree of accuracy
• Possess strong SEC reportingandUS GAAP technical knowledge
• Proficiency with Workiva (Wdesk) or similar reporting tools