We are looking for a meticulous Administrative Assistant to join our team in Antioch, California. This role is a Contract to permanent position and requires consistent, onsite availability. The ideal candidate will play a key role in supporting daily operations, maintaining efficient workflows, and ensuring smooth communication across the office. Responsibilities:• Accurately input data into spreadsheets and Smartsheet to maintain organized records.• Manage outgoing mail and correspondence, including drafting and sending emails.• Monitor and replenish office supplies, including snacks for the kitchen, to ensure continuous availability.• Verify and review timesheets submitted by the superintendent every morning, addressing any missing timecards.• Answer inbound calls and provide prompt and attentive customer service.• Schedule appointments and maintain calendars to optimize time management.• Coordinate with team members to ensure timely completion of administrative tasks.• Assist with creating reports and presentations using Microsoft Office tools.• Support general office operations and contribute to a productive work environment. If you are interested in this administrative assistant role, submit your resume today!

• Proficient in answering inbound and outbound calls with professionalism. • Strong customer service skills and ability to handle inquiries effectively. • Experience in data entry and maintaining accurate records. • Skilled in email correspondence and written communication. • Proficiency with Microsoft Office Suite, including Excel, Word, Outlook, and PowerPoint. • Ability to schedule appointments and manage calendars efficiently. • Attention to detail and strong organizational abilities. • Previous administrative experience preferred but not required.

<h3 class="rh-display-3--rich-text">TalentMatch®</h3> Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to <a href="https://www.roberthalf.com/us/en/terms">Robert Half’s Terms of Use</a>.

Antioch, CA
onsite
Contract / Temporary to Hire
23.00 - 24.00 USD / Hourly
We are looking for a meticulous Administrative Assistant to join our team in Antioch, California. This role is a Contract to permanent position and requires consistent, onsite availability. The ideal candidate will play a key role in supporting daily operations, maintaining efficient workflows, and ensuring smooth communication across the office. Responsibilities:• Accurately input data into spreadsheets and Smartsheet to maintain organized records.• Manage outgoing mail and correspondence, including drafting and sending emails.• Monitor and replenish office supplies, including snacks for the kitchen, to ensure continuous availability.• Verify and review timesheets submitted by the superintendent every morning, addressing any missing timecards.• Answer inbound calls and provide prompt and attentive customer service.• Schedule appointments and maintain calendars to optimize time management.• Coordinate with team members to ensure timely completion of administrative tasks.• Assist with creating reports and presentations using Microsoft Office tools.• Support general office operations and contribute to a productive work environment. If you are interested in this administrative assistant role, submit your resume today!
2025-10-30T23:58:45Z