Administrative Assistant - Office & Operations Coordinator

Aperture LLC; Costa Mesa (CA); On-site; USD 42,000 - 62,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401K with company contributions

Paid holidays & PTO

Job summary

Aperture LLC in Costa Mesa, CA is seeking an experienced administrative professional to perform a variety of general clerical and administrative support duties under supervision. The role supports multiple departments, coordinates office operations, prepares documents, and assists with meetings and travel arrangements.

Ideal candidates will have a high school diploma or equivalent, 5+ years of administrative experience, excellent verbal and written communication, and solid MS Office skills.

Qualifications

• High School Diploma or equivalent.
• 5+ years of prior office/administrative experience preferred.
• Excellent verbal and written communication skills.
• Intermediate MS Office and typing skills.

Responsibilities

• Order and maintain office and general workplace supplies.
• Coordinate with building management and outside vendors regarding office services.
• Monitor office conditions and identify maintenance or operational needs.
• Prepare correspondence, reports, presentations, and spreadsheets.
• Maintain electronic and physical files and ensure records are organized and accessible.
• Assist with scheduling meetings, appointments, and travel arrangements.
• Support onboarding and offboarding activities, including workspace preparation and equipment coordination.
• Assist Accounting with invoices, PO, expense documentation, and vendor records.
• Provide administrative support to Human Resources and other departments.
• Maintain contact lists, directories, calendars, and other administrative resources.
• Coordinate company meetings, lunches, celebrations, and employee events.
• Assist experts in scheduling calls and meetings.
• Maintain confidentiality of sensitive information.

Skills

Communication

Problem solving

Team player

Multi-tasking

Education

High School Diploma or equivalent

Tools

MS Office

Job description

Aperture LLC in Costa Mesa, CA is seeking an experienced administrative professional to perform a variety of general clerical and administrative support duties under supervision. The role supports multiple departments, coordinates office operations, prepares documents, and assists with meetings and travel arrangements.

Ideal candidates will have a high school diploma or equivalent, 5+ years of administrative experience, excellent verbal and written communication, and solid MS Office skills.