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  1. Home
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  5. Administrative Assistant
Robert Half logo

Administrative Assistant

Not Disclosed•ContractorOn-site

location_on439, Gayle Avenue, Modesto, Stanislaus County, California, 95350, United States

Apply Now

About the Role

We are seeking a detail-oriented Administrative Assistant to support construction contract operations in Modesto, California. This contract-to-permanent opportunity is designed for a professional who thrives in a fast-paced contractor environment, managing complex documentation, coordinating billing activities, and maintaining organized project records.

In this role, you will serve as a vital link between project teams and subcontractors. Your day-to-day work involves ensuring the accuracy of all correspondence, assembling compliance documentation, and managing the lifecycle of subcontract packages, master service agreements, and purchase orders. You will also play a key part in financial operations by coordinating monthly invoicing and payment processing, while maintaining up-to-date compliance files for bonds, insurance, and licenses.

Additionally, you will handle specialized documentation required for public sector work, including federal and state projects, preparing startup, recurring, and closeout reports. Beyond contract administration, you will provide essential general office support, managing mail, shipments, and supplies to keep operations running smoothly.

Work location

Work model: On-site

location_on

439, Gayle Avenue, Modesto, Stanislaus County, California, 95350, United States

Modesto, California

Key Responsibilities

  • check_circleCreate and manage subcontract packages, master service agreements, work orders, and purchase orders
  • check_circleProcess change-related documentation, lien releases, preliminary notices, and subcontractor records

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Frequently asked questions about Administrative Assistant at Robert Half

What does a Administrative Assistant at Robert Half do?expand_more
In this Administrative Assistant at Robert Half role, you will create and manage subcontract packages, master service agreements, work orders, and purchase orders; process change-related documentation, lien releases, preliminary notices, and subcontractor records; coordinate monthly invoicing and subcontractor payment processing to meet accounting timelines; and track subcontractor bonds, insurance certificates, and business licenses to maintain compliance files.
Where is the Administrative Assistant role at Robert Half located?expand_more
Administrative Assistant at Robert Half is based in 439, Gayle Avenue, Modesto, Stanislaus County, California, 95350, United States. This is a on-site role.
Is this Administrative Assistant job remote, hybrid, or on-site?expand_more
Robert Half has listed this Administrative Assistant role as on-site.
How much experience is required for this Administrative Assistant role?expand_more
Candidates for Administrative Assistant at Robert Half should have mid level.
What category does the Administrative Assistant role belong to?
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check_circle
Coordinate monthly invoicing and subcontractor payment processing to meet accounting timelines
  • check_circleTrack subcontractor bonds, insurance certificates, and business licenses to maintain compliance files
  • check_circlePrepare project startup documentation and recurring or closeout reports for public sector work
  • check_circleExamine agency and project agreements for compliance and assemble supporting documentation
  • check_circleDraft and distribute clear written communications with accuracy and professional formatting
  • check_circleProvide general administrative support by handling mail, shipments, and office supply maintenance
  • Robert Half logo
    Company

    Robert Half

    Industry

    admin

    View company profilearrow_forward
    Quick Overview

    Experience

    Mid Level

    Job Type

    Contractor

    Not Disclosed
    arrow_forward
    expand_more
    Administrative Assistant at Robert Half is part of the admin job category on Recrutus.
    Recrutus

    Curating the world's most innovative career opportunities. We bridge the gap between visionary talent and industry-leading companies.

    Search roles by city, category, skill, or job type — explore verified US employers, salary benchmarks, and remote-friendly teams hiring nationwide.

    publiclanguageshare
    Job seekers
    Browse jobsCompanies hiringRemote jobsJobs by locationJobs by cityJobs by categoryJobs by skillCareer guidesCareer blogSalary insights
    Job types
    Contractor jobsFull-Time jobsIntern jobsOther jobsPart-Time jobsPer-Diem jobsTemporary jobsVolunteer jobs
    Top states
    Jobs in TexasJobs in CaliforniaJobs in New YorkJobs in FloridaJobs in North CarolinaJobs in VirginiaAll states →
    Top categories
    Healthcare & Nursing jobsLogistics & Warehouse jobsEngineering jobsIT jobsSales jobsHospitality & Catering jobsAccounting & Finance jobs
    Popular skills
    CDL A jobsExcel jobsEnglish jobsMicrosoft Office jobs
    Featured employers
    Company
    About usFAQContactPrivacy policy

    Recrutus helps candidates discover roles that match their skills and helps teams reach qualified applicants faster. Browse by metro, discipline, or work style — from internships to senior leadership.

    © 2026 Recrutus. All rights reserved.
    Terms of serviceCookie policyAcceptable useDMCA policyEmployer termsCandidate terms
    US privacy notice
    Accessibility