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Sr Administrative Assistant

iStaff

Listing collected from iStaff's career site. NextChapter is independent of iStaff.

Dallas, TX · Posted October 22, 2026

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About the job

Position Summary:

The Senior Administrative Assistant supports the executive office under the direction of the Executive Assistant to C-suite leadership. This role is responsible for coordinating office operations, managing administrative processes, and supporting executive meetings and events. The ideal candidate is organized, detail-oriented, professional, and comfortable handling both business and occasional personal administrative tasks for executive leadership.

Essential Duties & Responsibilities

Provide administrative support to the executive office.

Assist with administrative projects and workflow coordination across the executive team.

Support recurring administrative processes, including expense reporting, wire transfer requests, invoice processing, and other administrative tasks.

Handle personal and business-related errands for executive leadership as needed.

Maintain organized records and handle confidential information with discretion.

Support the intake, processing, and inventory movement of specialized property and materials.

Assist with special projects and other duties as assigned.

Manage office supplies, kitchen inventory, and breakroom stocking.

Coordinate incoming and outgoing mail, shipping, package distribution, and courier services.

Coordinate meeting and event logistics, including room reservations, catering, technology setup, and seating arrangements.

Assist with executive meetings and company events, ensuring meeting spaces are fully prepared and restored afterward.

Education & Experience

Education

Associate's degree or additional administrative training preferred.

Experience & Skills

3–5 years of professional administrative support experience required.

Experience supporting executives or senior leaders strongly preferred.

Experience with office operations, expense reporting, event coordination, and vendor management preferred.

Candidates without prior administrative assistant, executive assistant, office coordinator, or similar administrative support experience will not be considered.

Proficiency in Microsoft Office Suite, including Outlook, Word, Excel, PowerPoint, and Teams.

Strong organizational, time management, and multitasking skills.

Excellent attention to detail and follow-through.

Professional communication and interpersonal skills.

Ability to work independently, maintain confidentiality, and exercise sound judgment.

Flexible, service-oriented, and willing to assist with occasional personal requests for executive leadership.