Senior Executive Administrator - On-Site Operations Lead

Constellation; Walnut Creek (CA); On-site; USD 78,000 - 87,000; Full time

Job summary

Constellation in Walnut Creek, CA is seeking an experienced administrative professional to support the Management team with confidential tasks, scheduling, document preparation, and budget oversight. The role requires strong organizational skills, the ability to multi-task, and proficiency with Microsoft 365.

This full-time, in-office position operates Monday through Friday at the Walnut Creek office, offering opportunities to contribute to cross-functional projects and maintain high standards

Qualifications

• High school diploma or GED required.
• 5+ years administrative experience, including supporting a senior manager.
• Proficiency with Microsoft 365 and Office tools; learn new tools quickly.
• Excellent written and verbal communication; strong organizational skills.
• Ability to work independently with minimal supervision and meet deadlines.

Responsibilities

• Schedule and manage appointments, meetings, and conferences.
• Prepare and edit documents, reports, presentations, and correspondence.
• Oversee expenses and process invoices; manage budget-related tasks.
• Organize events, staff meetings, and workshops.
• Review timesheets and payroll reports; input data into payroll systems.
• Support other business units and promote cross-functional collaboration.

Skills

Communication skills

Time management

Problem solving

Independent work

Education

High school diploma or GED

Tools

Microsoft 365

Concur

Oracle

SailPoint

Timekeeping software

AS9

Service ticket software

Job description

Constellation in Walnut Creek, CA is seeking an experienced administrative professional to support the Management team with confidential tasks, scheduling, document preparation, and budget oversight. The role requires strong organizational skills, the ability to multi-task, and proficiency with Microsoft 365.

This full-time, in-office position operates Monday through Friday at the Walnut Creek office, offering opportunities to contribute to cross-functional projects and maintain high standards