Site Administrator

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Site Administrator Job Code: 43390 Job Location: Jupiter, FL Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job Description:   This position will report directly to the Site Lead / Director of Engineering and will serve as a key administrative resource for the West Palm Beach L3Harris facility. The Site Administrator provides essential day-to-day administrative support to site leadership and staff, ensuring smooth and efficient site operations. Responsibilities include travel coordination, expense reporting, site event planning, supply management, customer visit coordination, and support of site security requirements. This role requires frequent interaction with internal staff, leadership, customers, and security personnel, and demands a high degree of professionalism, discretion, and sound judgment when handling sensitive or proprietary information. This role requires a highly organized, detail-oriented individual with excellent written and verbal communication skills and the ability to manage multiple tasks simultaneously.   Essential Functions:   Under general supervision, performs a variety of administrative support duties for site leadership and staff, exercising sound judgment and initiative in resolving day-to-day operational needs. Assists site leadership with travel approval coordination and expense report processing in accordance with company policy. Coordinates logistics for site events and meetings, to include catering, room assignments, scheduling, and stakeholder communications. Coordinates customer and VIP visits with site security personnel to ensure compliance with applicable access and security requirements. Serves as Document Transfer Authority (DTA), responsible for uploading and managing information to approved classified systems in accordance with established security protocols. Manages ordering and inventory of site office supplies to ensure adequate stock levels and cost-effective purchasing. Supports general site administrative needs as directed by site leadership. Other duties as assigned. Ability to obtain and maintain a U.S. Security Clearance, including eligibility to serve in a Document Transfer Authority (DTA) role.

High School Diploma or equivalent and a minimum of 4 years of prior relevant administrative experience, or 2 years post-Secondary/Associates Degree with a minimum of 2 years of prior related administrative experience. 2+ years' experience with Microsoft Office tools, including Microsoft Word, Excel, PowerPoint, Outlook, and Teams.   Preferred Additional Skills:   Excellent verbal, written, and interpersonal communication skills, with the ability to effectively communicate with all levels of management and individual contributors. Strong organizational skills and attention to detail. Ability to manage multiple tasks and prioritize effectively through frequent interruptions and competing priorities. Proactive problem-solving skills with a team-oriented mindset. Experience with SharePoint, Concur/SAP, ARIBA, or similar tools preferred. Prior Aerospace or Defense Industry experience preferred. Demonstrated ability to handle sensitive and proprietary