Senior Administrative Assistant – Exec Support & Office Ops

Staffmark Group; Los Angeles (CA); On-site; USD 52,000 - 73,000; Full time

Benefits offered by this job

Competitive weekly pay

Medical, dental, and vision coverage

Life and disability insurance

Optional 401(k) plan

Supportive professional environment

Job summary

Staffmark is seeking a Senior Administrative Assistant in Los Angeles to support leadership and business teams, manage calendars, coordinate travel, and organize events in a fast-paced office environment. The role requires 3+ years of administrative experience, Advanced Microsoft Office skills (Outlook, Word, Excel, PowerPoint), and the ability to handle confidential information with discretion.

A high school diploma or GED is required; an associate degree and relevant certifications are a plus,

Qualifications

• High school diploma or GED required.
• 3+ years as administrative assistant or similar.
• Proficiency in Microsoft Office applications (Outlook, Word, Excel, PowerPoint).
• Experience supporting managers or executives.

Responsibilities

• Manage calendars, schedule meetings, and coordinate travel.
• Prepare and edit business documents and presentations.
• Screen calls and emails; liaise with executives, clients, vendors, and staff.
• Maintain filing systems and process invoices and expenses.
• Support daily office operations and special projects.

Skills

Administrative experience

Microsoft Office Proficiency

Communication skills

Organization & time management

Discretion & confidentiality

Education

High school diploma or GED

Associate degree in Business Administration or related field

Relevant administrative training or certifications

Tools

Outlook

Word

Excel

PowerPoint

Job description

Staffmark is seeking a Senior Administrative Assistant in Los Angeles to support leadership and business teams, manage calendars, coordinate travel, and organize events in a fast-paced office environment. The role requires 3+ years of administrative experience, Advanced Microsoft Office skills (Outlook, Word, Excel, PowerPoint), and the ability to handle confidential information with discretion.

A high school diploma or GED is required; an associate degree and relevant certifications are a plus,