Office Assistant Job at PTS Advance, Brea, CA

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  • PTS Advance
  • Brea, CA

Job Description

Office Assistant

A growing organization is seeking a seasoned Office Assistant to provide high-level administrative and operational support in a fast-paced office environment. This is a fully onsite role requiring a Monday through Friday schedule and is not eligible for remote, hybrid, or flex scheduling.

The Office Assistant will play a key role in ensuring the smooth day-to-day operation of the office by supporting leadership, office staff, and project teams with a wide range of administrative, financial, and operational responsibilities.

Key Responsibilities

  • Provide administrative support to office leadership, including calendar management, appointment scheduling, conference calls, travel arrangements, expense reports, and meeting coordination.
  • Support office staff and leadership with daily operational and administrative tasks.
  • Assist project teams with proposal development and project-specific tasks such as issuing purchase orders, maintaining schedules, tracking budgets, and monitoring financial information.
  • Manage reception area duties including greeting visitors, answering phones, and directing inquiries appropriately.
  • Plan, coordinate, and facilitate onsite and offsite meetings, trainings, and events.
  • Coordinate office events, catering, conference room scheduling, and event setup and breakdown.
  • Prepare correspondence, meeting agendas, meeting minutes, reports, presentations, memos, and other business documents.
  • Gather, compile, proofread, and analyze information for reports, presentations, and financial documentation.
  • Utilize Excel and PowerBI to analyze business plans, budgets, and financial reports.
  • Maintain seating and organizational charts using Visio.
  • Review and process office expenditures, accounts payable invoices, and budget tracking.
  • Oversee office appearance, supplies, furniture, equipment, kitchenette organization, and inventory management.
  • Administer office security access, including badges and keys.
  • Support onboarding and offboarding activities in coordination with management and human resources.
  • Manage office correspondence, mail, packages, and communications.
  • Coordinate with building management regarding office maintenance and facility needs.

Qualifications

  • High School Diploma or GED required.
  • Minimum of 4 years of relevant office, administrative, or clerical experience required.
  • Advanced proficiency with Microsoft Word, Excel, and PowerPoint required.
  • Experience using PowerBI and Visio strongly preferred.
  • Strong organizational skills with exceptional attention to detail.
  • Ability to manage multiple priorities and deadlines in a fast-paced environment.
  • Excellent written and verbal communication skills.
  • Ability to work independently with strong reliability, professionalism, and problem-solving abilities.
  • Demonstrated ability to interact effectively with leadership, clients, vendors, and business partners.
  • Ability to maintain discretion and confidentiality.

Job Tags

Work at office, Monday to Friday, Flexible hours

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