Administrative Assistant

Career Opportunities: Administrative Assistant (29113) Requisition ID 29113 -Posted 10/07/2026 - Human Resources - Regular Non-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 amkor.com . Position Summary Amkor is recruiting for an Administrative Assistant to support (3) Vice Presidents and 2 campuses for Amkor Technology Arizona organization. The ideal candidate must possess previous experience in a support role that is very task and solutions oriented with an advanced level of professional and polished communication. This role must be able to support various local and remote teams. Manage the day ‐ to ‐ day workflow and prioritize various projects which include scheduling, preparing materials for meetings, presentation development, managing communications, expense reports and participating in a wide range of special projects. This position isonsite-based at Amkor Technology Arizona’s offices in Phoenix and Peoria, AZ. Essential Duties and Responsibilities: Schedule and organize complex activities such as meetings, travel, conferences and department activities for the group and leadership. Initiate travel and accommodation for group members by partnering with the travel department; prioritize and communicate all relevant details to participants. Balance conflicting priorities to manage a daily workflow with a high degree of organization; ensure the completion of essential projects while meeting critical deadlines. Provide exceptional customer service to external customers and internal members of staff and executive leadership. Generate routine and ad-hoc reports with exceptional attention to detail utilizing MS Excel and PowerPoint. Learn and utilize internal systems for report generation. Manage expense reports using Concur as well as managing the approval workflow of other Amkor applications. Manage phone and email inquiries and respond appropriately; resolve routine and complex inquiries. Required Qualifications A bachelor’s degree is desired, or equivalent combination of relevant work experience with an associate’s degree or college coursework. A minimum of 4+ years of demonstrated administrative support experience in a fast-paced, time-sensitive and multi-cultural organization is essential. Proven organization and time management skills to complete varied responsibilities with excellent attention to detail. Balance conflicting priorities to manage a daily workflow with a high degree of organization; ensure the completion of essential projects while meeting critical deadlines. Serve as a point of contact for a wide variety of high-level relationships between VP’s and internal / external contacts. Provide exceptional customer service to external customers and internal members of staff and executive leadership Demonstrated proficiency with MS Office with advanced knowledge with Word, Excel and PowerPoint. Ability to learn quickly, particularly with other Amkor internal systems. Prior experience working with expense reporting systems, Concur is highly desired. Excellent verbal and business writing skills is required. Must be able to communicate clear, concise messages in a professional manner and free of grammatical and spelling errors Team-oriented approach with effective interpersonal skills that promote successful business interactions with individuals of all leadership styles, personalities, and career levels. Proven ability to be responsive and timely with requests and work assignments. Demonstrated ability to adapt and work remotely after business hours (occasionally) as needed to support a global environment. Preferred Qualifications Analytical skills to demonstrate a broad understanding of the organization to effectively interpret and anticipate needs is a plus. Skills in various aspects of planning and project management, taking an idea from concept to completion where achievement of assigned objectives is the ultimate goal is desired. Location: This position will be based at the temporary NorthPhoenix, AZ site and the Peoria site during the construction phase, and will transition to the Peoria site once factory operations begin. 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. #J-18808-Ljbffr