Administrative Assistant

Aston Carter • Fontana, CA • 15h ago

Monday-Friday 7:00 am-3:30 pm

Contract position until December 2025

Job Description

Provide routine administrative support, including calendar management, document preparation, and correspondence. Coordinate meetings, conference calls, travel arrangements, and meal logistics. Maintain and update databases and filing systems. Assist with onboarding and offboarding processes, including I-9 completion and documentation. Support accounting tasks such as billing, expense reconciliation, and report generation. Manage office supplies, requisitions, and vendor relationships. Handle incoming communications (emails, phone calls, mail) and route appropriately. Prepare presentations and reports for leadership. Maintain confidentiality and handle sensitive information with discretion. Perform other duties as assigned to support department operations.

Responsibilities

Provide routine administrative support, including calendar management, document preparation, and correspondence.

Coordinate meetings, conference calls, travel arrangements, and meal logistics.

Maintain and update databases and filing systems.

Assist with onboarding and offboarding processes, including I-9 completion and documentation.

Support accounting tasks such as billing, expense reconciliation, and report generation.

Manage office supplies, requisitions, and vendor relationships.

Handle incoming communications (emails, phone calls, mail) and route appropriately.

Prepare presentations and reports for leadership.

Maintain confidentiality and handle sensitive information with discretion.

Perform other duties as assigned to support department operations.

Essential Skills

Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint).

Strong organizational and time management skills.

Excellent verbal and written communication abilities.

Ability to work independently and collaboratively.

High attention to detail and accuracy.

Pay and Benefits

The pay range for this position is $17.00 - $22.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Fontana,CA.

Application Deadline

This position is anticipated to close on Sep 9, 2025.

About Aston Carter:

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® double diamond winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com (%20astoncarteraccommodation@astoncarter.com) for other accommodation options.

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