Executive Administrative Assistant Senior

Peraton•McLean, VA

10d

About The Position

The Senior Administrative Assistant provides high-level administrative and mission support across the customer. This role ensures continuity of daily operations, supports multiple mission teams, and delivers exclusive executive support to Senior Executives engaged with internal and external stakeholders including the IC, Congress, private sector, and foreign partners. The Administrative Assistant manages complex workflows, high-visibility correspondence, scheduling, briefing preparation, and logistics in support of mission-critical decision making.

Requirements

Active TS SCI with Poly
Min 8 years with BS/BA, Min 6 years with MS/MA, Min 3 years with PhD
An additional 4 years of experience may be substituted in lieu of a degree
Demonstrated experience providing executive-level administrative support to senior government leadership or equivalent
Proven ability to manage complex schedules, workflows, and correspondence with external stakeholders
Experience supporting mission organizations within Federal/IC, defense, or national security environments
Strong written and verbal communication skills; able to draft, summarize, and prepare official documentation
Demonstrated discretion handling sensitive information
Proficiency with Microsoft Office and collaboration tools; able to manage records and coordination artifacts
Ability to operate independently and respond to rapidly evolving mission priorities

Nice To Haves

Prior IC, DoD, or federal front-office/secretariat experience
Experience interfacing with Congressional, IC, private sector, and/or foreign partners
Experience supporting high-tempo, high-visibility mission operations environments

Responsibilities

Provide administrative services to sustain daily operations across mission teams
Manage administrative workflows, coordinate calendars, track tasking, and facilitate internal/external communications
Maintain records and assist with document development, formatting, and distribution
Support logistics including meeting coordination, visitor management, and travel/planning
Monitor task progression and provide timely updates to leadership and stakeholders
Adapt administrative support to shifting organizational priorities and multiple team needs
Provide exclusive administrative and mission support to Senior Executives managing high-priority initiatives
Independently track executive tasking and manage high-level correspondence
Coordinate engagements with IC organizations, Congress, private sector, and foreign partners
Prepare executive-level reports, briefings, talking points, and official documentation
Serve as primary liaison for SEs by managing schedules, engagements, and required pre-read materials
Track, summarize, and prioritize critical communications and action items for leadership
Deliver concise updates on strategic initiatives and mission-critical developments