Irvine Office Coordinator: Admin & Team Support Lead

GSI Environmental Inc.; Irvine (CA); On-site; USD 48,000 - 62,000; Full time

Job summary

GSI Environmental Inc. in Irvine, California is seeking an Office Coordinator to provide essential administrative support and ensure smooth office operations.

You will greet visitors, manage calls and emails, assist with event planning, travel arrangements, and electronic file management, and format reports to align with GSI branding. The role requires 4–6 years of relevant experience, strong MS Office skills, and excellent written and verbal communication.

Qualifications

• Proven administrative experience supporting a busy office.
• Between 4–6 years of relevant experience.
• Excellent written and verbal communication skills.
• Ability to work in-office 40 hours/week with occasional extended hours.

Responsibilities

• Oversee front desk operations, greeting visitors and handling calls.
• Provide direct support to the Office Manager with administrative tasks.
• Assist with planning meetings, events, and client meetings.
• Assist with electronic file management and travel arrangements.
• Format reports and documents in Word/Excel per branding guidelines.
• Support accounting, marketing, and HR with routine tasks and projects.

Skills

Administrative experience

Communication skills

Time management

Organizational and planning skills

Multi-tasking and prioritization

Attention to detail

Education

High School Diploma or Equivalent

Tools

MS Office Suite (Outlook, Word, Excel, PowerPoint, SharePoint)

Adobe Acrobat

Job description

GSI Environmental Inc. in Irvine, California is seeking an Office Coordinator to provide essential administrative support and ensure smooth office operations.

You will greet visitors, manage calls and emails, assist with event planning, travel arrangements, and electronic file management, and format reports to align with GSI branding. The role requires 4–6 years of relevant experience, strong MS Office skills, and excellent written and verbal communication.