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Site Administrator

Mirion
Melbourne, FL Full Time
POSTED ON 11/18/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Site Administrator position at Mirion?

Job Details

Description

The Site Administrator plays a key role in ensuring the efficient daily operations and professional atmosphere of the Sun Nuclear office in Melbourne, FL office. This position provides administrative, facilities, and employee engagement support to maintain a safe, organized, and welcoming environment for staff and visitors. The Site Administrator will coordinate meetings and events, support vendor and building operations, and help foster a positive workplace culture through collaboration and communication.

Key Responsibilities

Front Desk & Visitor Management

  • Welcome and assist guests upon arrival, ensuring a professional and positive first impression.
  • Maintain the visitor log and issue guest badges in accordance with company security protocols.

Office & Facility Coordination

  • Receive, triage, and distribute deliveries and incoming mail to the appropriate departments, including coordination with vendors.
  • Coordinate scheduling and access for building maintenance visits and service providers.
  • Monitor and replenish office and breakroom supply inventories.

Meeting & Event Support

  • Prepare, set up, and clean up meeting spaces for non-executive meetings and company gatherings.
  • Order lunches for non-executive meetings and coordinate monthly birthday cakes for manufacturing staff.
  • Assist in planning and logistics for internal events or celebrations.

Employee Engagement & Communications

  • Lead the Social Committee, including organizing monthly meetings, coordinating with vendors, managing expenses, and maintaining the committee calendar and communications.
  • Oversee and update breakroom TV content and other internal communication channels to enhance engagement and awareness.
  • Gather and relay employee feedback on facilities and amenities to drive continuous improvement.

Administrative & Financial Support

  • Assist with maintaining and updating company organizational charts.
  • Collect, sort and distribute incoming correspondence
  • Assist with document management, filing, and maintaining facility and vendor records.
  • Provide light administrative support to other departments as needed to ensure operational continuity.

HR Support

  • Partner with HR to support new hire onboarding activities (desk setup, welcome materials, office tours).
  • Maintain employee files and the HR filing system

Knowledge, Skills And Abilities

  • High school diploma or equivalent required; associate or bachelor’s degree preferred.
  • 2 years of administrative, office coordination, or facilities support experience preferred.
  • Strong organizational and multitasking abilities with attention to detail.
  • Excellent interpersonal and communication skills, both written and verbal.
  • Proficiency with Microsoft Office Suite (Outlook, Word, Excel, PowerPoint) and standard office equipment.
  • Ability to manage multiple priorities in a fast-paced environment and adapt to shifting needs.
  • Ability to maintain confidentiality and discretion

Salary.com Estimation for Site Administrator in Melbourne, FL
$48,704 to $60,198
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