Administrative Assistant – Office & HR Support

Aperture LLC; Costa Mesa (CA); On-site; USD 34,000 - 43,000; Full time

Benefits offered by this job

Medical, dental, vision, and life-ins

401K with company contributions

Paid holidays

Paid time off

Floating holidays

Job summary

Aperture LLC in Costa Mesa, CA is seeking an Administrative Assistant to provide broad-based clerical and office support. Under supervision, you will manage supplies, coordinate vendors, and maintain records to keep the office running smoothly.

You will assist with scheduling, onboarding, travel, invoicing, and document preparation while upholding confidentiality and professionalism in a fast-paced environment. A high school diploma and strong MS Office skills are required.

Qualifications

• High School Diploma or equivalent.
• 5+ years of prior office/administrative experience.
• Proficient in MS Office and typing.

Responsibilities

• Order and maintain office and general workplace supplies.
• Coordinate with building management and outside vendors regarding office maintenance, repairs, security, cleaning, and other services.
• Monitor office conditions and proactively identify maintenance, supply, or operational needs.
• Prepare correspondence, reports, presentations, spreadsheets, and other business documents as needed.
• Maintain electronic and physical files and ensure records are organized and accessible.
• Assist with scheduling meetings, appointments, and travel arrangements when requested.
• Support employee onboarding and offboarding activities, including workspace preparation, equipment coordination, access requests, and other administrative needs.
• Assist Accounting with invoices, purchase orders, expense documentation, and vendor records as needed.
• Provide administrative support to Human Resources and other departments when requested.
• Maintain office contact lists, directories, calendars, and other administrative resources.
• Coordinate company meetings, lunches, celebrations, and employee events.
• Assist experts in the office with scheduling of calls, meetings, etc.
• Maintain confidentiality when handling employee, client, financial, and company information.

Skills

Verbal communication

Written communication

Team player

Problem solving

Education

High School Diploma or equivalent

Tools

MS Office

Typing

Job description

Aperture LLC in Costa Mesa, CA is seeking an Administrative Assistant to provide broad-based clerical and office support. Under supervision, you will manage supplies, coordinate vendors, and maintain records to keep the office running smoothly.

You will assist with scheduling, onboarding, travel, invoicing, and document preparation while upholding confidentiality and professionalism in a fast-paced environment. A high school diploma and strong MS Office skills are required.