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Job Details

Administrative Assistant (In Office)

  2026-01-28     Optimum HR     Santa Ana,CA  
Description:

Overview

Want to work for a company that truly values its people? Optimum HR has been voted one of Orange County's Best Places to Work for nine consecutive years. We are seeking a full-time Administrative Assistant to join our team. Optimum HR provides small and midsize businesses with comprehensive HR solutions, and behind that mission is a collaborative, fast-paced, and fun workplace. This role is ideal for a highly organized, proactive professional who enjoys variety, takes pride in supporting leaders and teams, and wants to grow with a company that embraces innovation and teamwork.

This is an in-person position located in our Santa Ana/Tustin office and provides direct administrative support to our Company President, while also serving as a partner to our office and operation teams.

Responsibilities

  • Provide direct administrative support to the Company President, including coordinating projects, reports, and special initiatives (company and occasional personal).
  • Complete executive and administrative projects with discretion, accuracy, and follow-through.
  • Serve as a professional point of contact for visitors and answer incoming calls.
  • Coordinate companywide events and meetings, including travel arrangements.
  • Maintain organized records and support reporting needs across departments.
  • Coordinate with building management for maintenance and service requests.
  • Order, stock, and manage office supplies, food and company collateral.
  • Support day-to-day office operations and provide backup support for other administrative team members as needed.
  • Assist with new hire onboarding and offboarding administrative processes.
  • Coordinate employee anniversaries, birthdays, announcements, and gifts.
  • Partner with IT vendors to coordinate equipment requests, user access, and support tickets.
  • Assist the sales team with administrative tasks such as demo scheduling, CRM support (Salesforce and HubSpot), lead distribution, training coordination, and monthly client reporting.
  • Prepare and submit client service agreements, RFPs, and related new-client documentation.
  • Manage company client surveys, industry award process and password management.
  • Maintain and update content on the company website and social media platforms.
  • Perform additional administrative and operational duties as assigned to support company goals.

Qualifications
  • High school diploma required; college coursework or degree preferred.
  • Minimum of one year of office or administrative experience.
  • Exceptional customer service mindset with strong interpersonal skills.
  • Highly organized with excellent time management and attention to detail.
  • Ability to manage multiple priorities, meet deadlines, and work independently with minimal supervision.
  • Strong written and verbal communication skills.
  • Proficiency with Microsoft Office (Outlook, Word, Excel, PowerPoint); CRM or social media experience a plus.
  • A collaborative team player who embraces Optimum's core values.


Salary and Benefits

The salary range for this position is $26.00 - $35.00 per hour. In addition, we offer a generous benefits package, a monthly office commuting stipend and a terrific corporate culture.

Final compensation will be based upon factors such as geographic location, skills, experience and/or education. Hiring at the maximum of the range would not be typical in order to allow for future and continued salary growth.

Salary: $26.00 - $35.00 per hour

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