Office Administrator

JOB DESCRIPTION Job Title: Office Administrator Start Date: ASAP Duration: 6 months to start. Potential for permanent hire Location: 11800 Industry Avenue, SW Industrial Park, Fontana, CA, 92337 Hours/Week: 40 hours per week. Monday to Friday. Must work 100% onsite. 7am start time Positions: 1 Pay Rate:-/hr Bill Rate:-/hr Mark Up: 38% Note: There is a possibility this Admin will need to walk through or work in plant areas. They will need to be cleared to wear safety shoes (steel toed boots), eye/ear protection and/or other PPE. They will be able to expense safety shoes through VNDLY. Interview Process: LaMeka and Danya to interview 1 round, 45 mins (google meet, or in-person) Job Description We are seeking a proactive and detail-oriented Office Administrator to join our team in Fontana. This role is pivotal in maintaining a seamless department workflow and supporting our internal teams through high-level administrative coordination. You will work closely with departments such as Production, Finance, and EHS to ensure data integrity and operational efficiency. Essential Duties & Responsibilities Administrative Support: Manage complex schedules, coordinate meetings, and handle all professional correspondence and reporting for the department. Data & Documentation: Execute high-volume data entry, manage purchase order requisitions, and resolve discrepancies with a high degree of accuracy. Digital Content: Create and maintain polished Google Presentations, Sheets, and communication materials for internal and external use. Reporting: Gather, structure, and compile departmental data into comprehensive reports for leadership review. Operational Liaison: Facilitate postal duties, maintain digital and physical filing systems, and manage production entry. Confidentiality: Handle sensitive personnel and financial information with the utmost discretion and professionalism. Qualifications Education: High School Diploma or equivalent required. Experience: 3+ years of professional administrative experience. Technical Skills: Advanced proficiency in Google Suite (Docs, Sheets, Slides, Calendar). Procurement: Direct experience managing purchase order (PO) requisitions. Industry Background: Prior experience supporting Production, Finance, EHS, HR, or Payroll teams is highly desired. Work Environment & Safety While this is an office-based role, the selected candidate may be required to walk through or work within plant areas. Candidates must be cleared by their supplier to wear safety shoes (AKA steel-toed boots), eye/ear protection, and other required PPE. Safety shoes are fully reimbursable through our VNDLY system. Benefits: • Medical, Vision, and Dental Insurance Plans • 401k Retirement Fund About our client: Leading roofing manufacturer in North America offering high-quality products and exceptional customer service. Committed to innovation and sustainability. Join our team and build the American dream. About GTT GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American owned company in Alaska. As a Native American-owned, economically disadvantaged corporation, we highly value diverse and inclusive workplaces. Our clients are Fortune 500 banking, insurance, financial services, and technology companies, along with some of the nation's largest life sciences, biotech, utility, and retail companies across the US and Canada. We look forward to helping you land your next great career opportunity!

Created: 2026-03-11