Results for Administrative Assistant Jobs in Modesto, CA

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Administrative Assistant

Lathrop, CA
onsite
Temporary / Contract
20.9 - 24.2 USD / Hourly
We are looking for an organized Administrative Assistant to support daily office operations for a non-profit organization in Lathrop, California. This Long-term Contract opportunity is ideal for someone who can manage administrative workflows, maintain accurate records, and provide detail-oriented front-desk support. The role requires strong attention to detail, clear communication, and the ability to handle multiple tasks in a busy office environment. Schedule: Monday–Friday, 8 AM–5 PM Assignment: permanent Contract, 3–6 Months Seeking an organized and dependable Administrative Assistant to support a busy Public Works Department. Responsibilities: Process purchase orders and invoices Order supplies and maintain office inventory Answer and route incoming calls Assist customers and respond to vendor inquiries Provide general administrative and clerical support
2026-10-21T00:00:00Z

Office Manager

Livermore, CA
onsite
Temporary to Hire
30 - 35 USD / Hourly
Robert Half's construction client is looking for an organized and proactive Office Manager to support daily business operations in Livermore, CA. This contract-to-permanent position is ideal for someone who can balance office coordination, administrative support, and human resources tasks in a fast-paced construction environment. The right candidate will help keep internal processes efficient, maintain accurate employee records, lead onboarding training, and contribute to a well-organized and well-run workplace. Office Manager Responsibilities:• Lead the coordination of new employee onboarding, including orientation scheduling and preparation of employment materials.• Maintain personnel records and related documentation with a high level of accuracy, discretion, and organization.• Assist with employment updates such as status changes, separations, benefits support, and other HR-related paperwork.• Provide day-to-day administrative support by organizing meetings, managing calendars, and handling internal office communication.• Create and update business documents such as reports, spreadsheets, presentations, and written correspondence.• Support filing, data entry, record retention, and general document management for office and project teams.• Monitor office supply levels, place orders as needed, and help manage equipment and shared workspace organization.• Coordinate with outside vendors and service providers to support smooth office operations.• Assist with compliance-related tracking, including training records, certifications, workers’ compensation documentation, and employment forms. If you are interested in this Office Manager position, please submit your resume today!
2026-10-23T00:00:00Z

Human Resources Administrator

Merced, CA
onsite
Temporary / Contract
24.7 - 28.6 USD / Hourly
We are looking for a Human Resources Administrator to support a wide range of HR operations in Merced, California. This Long-term Contract position will focus on employee relations, onboarding coordination, compliance support, and accurate administration of personnel records across the organization. The person in this role will work closely with leaders, employees, union representatives, recruiters, and payroll partners to help maintain consistent HR practices and timely follow-through on sensitive matters. Responsibilities: • Oversee day-to-day HR administrative activities, including maintaining organized employee files and ensuring personnel records remain accurate, current, and audit-ready. • Guide onboarding activities from offer stage through start date by coordinating interviews, preparing employment documentation, scheduling pre-employment screenings, and supporting new employee readiness. • Partner with department managers to track performance review completion, verify supporting documentation, and confirm alignment with company standards and applicable employment regulations. • Provide HR support on employee relations matters involving both non-union and union team members, using the appropriate communication approach and process for each employee group. • Assist with sensitive workforce issues such as workers’ compensation cases, corrective action documentation, and separation processes while maintaining professionalism and confidentiality. • Coordinate with recruiting teams to post vacancies, manage staffing-related logistics, and support timely movement of candidates through the selection process. • Work alongside payroll and benefits contacts to submit and track updates related to compensation changes, benefits administration, and other employee status adjustments. • Help reinforce compliance with HR policies, labor requirements, and internal procedures through accurate documentation, follow-up, and routine record review.
2026-10-09T00:00:00Z

3 results for Administrative Assistant in Modesto, CA