SEC Reporting Manager

Amkor Technology, Inc.; United States; Hybrid; USD 120,000 - 170,000; Full time

Job summary

Amkor Technology, Inc. seeks an External Reporting Manager to lead SEC filing preparation and technical accounting under US GAAP. This hybrid Tempe, AZ role partners with FP&A, Legal, Tax, Treasury, and Investor Relations to ensure accurate external disclosures.

The successful candidate will have a Bachelor's in Accounting, 5+ years in public accounting or a large public company, CPA preferred, and strong Workiva experience. CPA is required at a minimum for leadership in reporting.

Qualifications

• Bachelor's degree in Accounting required.
• CPA credential required or active CPA status.
• Minimum 5 years in public accounting or public company environment with leadership experience.

Responsibilities

• Lead preparation and review of SEC filings (10-K/10-Q/8-K) and disclosure checklists.
• Oversee technical accounting research and position papers under US GAAP.
• Manage 401(k) accounting and coordination of annual audit.
• Oversee lease accounting per ASC 842 and related close processes.
• Maintain disclosure controls and support SOX compliance and external reporting.

Skills

SEC reporting

US GAAP knowledge

Workiva

Leadership

Cross-functional collaboration

Education

Bachelor's Degree in Accounting

CPA

Tools

Workiva (Wdesk)

Job description

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.

Essential Duties and Responsibilities:

• 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

Required Qualifications:

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, including at least 1 year specifically in a leadership or supervisory capacity. CPA required.

The ideal candidate must:

• 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 reporting and US GAAP technical knowledge
• Proficiency with Workiva (Wdesk) or similar reporting tools

Preferred Qualifications:

• Big Four public accounting experience is preferred
• Previous semiconductor industry experience is desired
• Previous experience with XBRL

Location:

Tempe, AZ. This position has a hybrid schedule. Candidates must reside near the local Amkor office or be willing to relocate to be considered.

Amkor is proud to be an Equal Opportunity Employer. We do not discriminate on the basis of race, color, ancestry, national origin, religion or religious creed, mental or physical disability, medical condition, genetic information, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity, gender expression, age, marital status, military or veteran status, citizenship, or other characteristics protected by state or federal law or local ordinance.