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Administrative Assistant

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Job Title: Administrative Assistant
Location: Martinez, CA
 
Position Summary:
 Our client is seeking an Administrative Assistant to support project and site operations in Martinez, CA. This role provides day-to-day administrative support to project management and field teams, helping ensure smooth coordination of documentation, reporting, and office activities.
 
Key Responsibilities:
  • Provide administrative support to project managers, supervisors, and site personnel
  • Assist with onboarding paperwork, timesheets, and employee records
  • Prepare, organize, and maintain project documentation and files
  • Support payroll, invoicing, and expense tracking as needed
  • Answer phones, manage emails, and coordinate meetings or schedules
  • Order office supplies and assist with general office operations
  • Communicate with internal teams, vendors, and subcontractors
  • Perform other administrative duties as assigned
 
Qualifications:
  • Previous administrative experience, preferably in construction or refining
  • Strong organizational and time-management skills
  • Proficiency in Microsoft Office (Word, Excel, Outlook)
  • Ability to handle confidential information professionally
  • Strong communication skills and attention to detail
  • Ability to work independently and in a fast-paced environment
 
Work Environment:
  • Office-based with regular interaction with field and project teams
  • Standard business hours, with flexibility as project needs required