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Executive Administrative Assistant
Plano, TXMarch 29th, 2026
Executive Administration F 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 Code: 35504Job Location: Plano, TX / Rockwall, TX / Greenville, TXJob Schedule: 1st Shift 9/80 (On-site)Job Description The Intelligence, Surveillance, Reconnaissance (ISR) Sector of L3Harris Technologies is seeking a Senior Executive Assistant to support our Sector CFO and staff in the Dallas/ Ft. Worth area. The position will require travel between Plano, Rockwall, and Greenville, TX, with a primary office location available in any of the three cities. The Senior Executive Assistant is a key member of the team, providing essential administrative support to ensure smooth and efficient functioning of the department and the site. 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 minimal supervision, performs a variety of executive administrative support duties that are complex in nature and where judgment and initiative are required in resolving problems and making recommendations.Provide administrative support to the CFO and leadership team, including scheduling meetings, proactively managing calendars, and coordinating travel arrangements.Assist in the preparation and editing of reports, presentations, and other documents as needed, ensuring all documentation is accurate and up to date.Coordinate logistics for internal and external events.Process expense reports and invoices.Serve as a liaison between the leadership team and other internal teams while maintaining confidentiality and diplomacy.Support general office duties, including ordering and stocking of office supplies, drinks, food, and snacks in support of site operations/meetings/routine business.Assist with special projects and perform additional duties assigned by leaders.Assist CFO with ongoing requests for approval by screening contents prior to submission to CFO.Excellent verbal, written and interpersonal communication skills, with ability to effectively communicate with all levels of management and individual contributors.Ability to manage multiple tasks and prioritize effectively through frequent interruptions and critical time constraints.Proactive problem-solving skills and a strategic mindset.Demonstrate high level of maturity and confidentiality relating to sensitive information; to include maintaining sensitive documents/files for leaders.Effectively work as a team member; successfully establishing and maintaining cooperative working relationships.Provide guidance and mentoring to other assistants.Strong organizational skills, attention to detail, and ability to manage multiple tasks under critical time constraints.Experience in project management, including planning, monitoring, and resolving issues.Other duties as assigned by Supervisor.Qualifications High School Diploma or equivalent with ten (10) years of administrative experience.2 years post-Secondary/associate's degree with six (6) years of administrative experience.4+ years' experience with Microsoft Office tools, (Microsoft Word, Excel, PowerPoint, Outlook, Teams and Zoom.)2+ years' experience as Senior Executive Assistant required.Must be a U.S. Citizen.Preferred Additional Skills:Experience with SharePoint administration, Concur/SAP, ARIBA and Envoy.Prior Aerospace and Defense Industry experience.
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