Administrative Assistant Jobs in Irvine, CA

KSM is looking for key members to work together, and the location will be at KSM USA in Los Angeles office.

KSM is a leader in the global supplier of the Semiconductor Equipment Business. With over 45 years of experience, we leverage proprietary engineering with a world-class facility to supply custom products to meet the needs of the Semiconductor, Display, Medical and Aerospace Industries. (Product Line-up; Welded Metal Bellows, Metal & Ceramic Heater, Seals and Assemblies)

KSM Corporation & Manufacturing is based in South Korea, and North American Headquarter is located in Sunnyvale, CA. Southern California Sales Office in Irvine.

Now a total of 1,500+ employees world-wide support B2B customized development and scale production.

Administrative Assistant

Location: Irvine, CA
Job Type: Full-time
Salary: $52,000–$62,000 per year
Final compensation will be based on experience, qualifications, and skills.

About the Position

We are seeking a highly organized and proactive Administrative Assistant to support our management team and daily business operations.

This position will provide executive and administrative support while coordinating with customers, agencies, suppliers, and internal teams. The ideal candidate is flexible, detail-oriented, organized, and comfortable handling multiple responsibilities in a fast-paced environment.

Strong Korean and English communication skills are required.

Key Responsibilities

• Provide administrative and executive support to management.
• Coordinate management schedules, meetings, and follow-up tasks.
• Support HR and General Affairs-related administrative activities.
• Coordinate company events, customer visits, and agency/supplier visits.
• Maintain and organize records and information related to non-employee personnel.
• Review and assist with administrative contracts and related documentation.
• Provide administrative and sales support to the sales team.
• Communicate and coordinate effectively with customers, agencies, suppliers, and internal departments.
• Assist with general office administration and other business-related projects as needed.
• Handle multiple priorities while maintaining accuracy and timely follow-up.

Qualifications

• 0–3 years of administrative, office, executive support, or related experience preferred.
• Bachelor's degree preferred but not required depending on experience.
• Fluent in Korean and English, both verbal and written.
• Strong organizational and time-management skills.
• Excellent interpersonal and communication skills.
• Ability to establish and maintain positive relationships with customers, agencies, and suppliers.
• Flexible and willing to take on a variety of responsibilities.
• Strong teamwork, integrity, accountability, and commitment to quality service.
• Proficiency in Microsoft Office, including Excel, Word, and Outlook.
• Ability to manage multiple tasks and meet deadlines.
• Must be legally authorized to work in the United States.

What We Offer

• Competitive salary
• Health insurance
• 401(k)
• Flexible working hours
• Professional growth and development opportunities

We are looking for a dependable and proactive team member who can provide strong administrative support while building positive relationships with customers, agencies, and business partners.

Pay: $25.00 - $29.80 per hour

Expected hours: 40.0 per week

Benefits:

• 401(k)
• Health insurance

Work Location: In person