Administrative Assistant

One Federal Solution (OFS) is seeking a highly professional and proactive Administrative Coordinator to support our Corporate team at our headquarters in Alexandria, VA. This in-office role supports daily office operations while also providing direct support to leadership, including the President & CEO. This position requires someone who is organized, detail-oriented, and comfortable operating in a fast-paced environment, with the ability to handle a variety of administrative and executive support tasks while maintaining professionalism in all interactions, including occasional external engagements.

Office & Administrative Support

Serve as the first point of contact for visitors and maintain a professional office environment
Manage incoming calls, mail, and general correspondence
Coordinate calendars, meetings, and internal office logistics
Maintain office supplies, equipment, and overall organization
Provide direct administrative support to leadership, including the President & CEO

Executive & External Support

Assist leadership with scheduling, coordination, and preparation for meetings with external stakeholders
Support logistics for meetings, events, and occasional off-site engagements
Represent the organization professionally in interactions with clients, partners, and external contacts
Assist with preparing materials, documents, and basic briefing information as needed

Corporate Support

Assist with basic data entry and administrative tracking tasks
Support timesheet reminders and general internal follow-ups
Coordinate with internal teams to ensure smooth day-to-day operations
Assist with special projects and ad hoc administrative needs

Required Qualifications

Previous administrative or office support experience
Strong organizational and communication skills
Proficiency in Microsoft Office (Word, Excel, Outlook)
Ability to multitask, prioritize, and work independently
High level of professionalism, discretion, and reliability
Comfortable supporting leadership and interacting with external stakeholders

Preferred

Experience in a corporate or government contracting environment
Experience supporting executives or leadership teams

About One Federal Solution
One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are pioneers, builders, thought leaders, and pride ourselves in thinking outside the box to co-create with our customers, helping them achieve excellent enterprise wide outcomes. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), OFS is committed to providing people who deliver high performance and excellence to our government partners.