Office Admin | Irvine, Exhibits and Events

Pinnacle•Irvine, CA

3d•Onsite

About The Position

Pinnacle is an experiential marketing company seeking a highly organized, resourceful Office Administrator for its Irvine, California facility. This role keeps the office operating smoothly by managing supplies, mail and shipping, facility services, shared spaces, and administrative support. The Office Administrator also supports sales, HR, and operations, welcomes clients and visitors, helps coordinate employee events and travel, and may contribute to office communications and creative projects. The position requires being dependable and ready to work Monday through Friday, 8:00 a.m. to 5:00 p.m.

Requirements

At least two years of administrative experience.
Strong administrative and organizational skills, with the ability to keep work on track in a busy, fast-paced office.
Strong attention to detail, including checking work and proofreading.
Ability to resume tasks after interruptions and manage time to meet multiple deadlines.
Knowledge of Microsoft Office, including Word, Excel, Outlook, and presentation programs.
Ability to maintain confidentiality.
Clear, friendly communication in writing, by phone, and in person.
Dependable, helpful, and willing to pitch in.
Availability to work Monday through Friday, 8:00 a.m. to 5:00 p.m.

Nice To Haves

Familiarity with Adobe Creative Suite.

Responsibilities

Keep office materials and equipment ready, including paper, printers, coffee, and general supplies.
Coordinate shipping and mail, prepare labels, handle deliveries, and review FedEx invoices.
Monitor inventory and order office, kitchen, and coffee supplies.
Coordinate building and equipment repairs, replace printer toner, and work with vendors providing copier, phone, janitorial, and other facility services.
Provide administrative support to sales, HR, and operations, including data entry, database updates, and responding to client and account-team requests.
Prepare conference rooms for client visits and meetings, provide refreshments and supplies, and tidy rooms afterward.
Answer phones, respond to general inquiries, and welcome clients and visitors.
Process routine purchasing requests and purchase orders and maintain accurate inventory records.
Book travel and assist with arrangements for employees and project teams.
Keep kitchens, conference rooms, and other shared spaces clean, organized, and welcoming.
Plan employee parties, events, and team lunches.
Help create and share office communications, with opportunities to contribute to creative projects.
Take ownership of the office space, notice what needs attention, and help colleagues with a positive, collaborative approach.