Senior Executive Assistant

Fortreum

Senior Executive Assistant supporting Fortreum, a cloud and cybersecurity services provider. Managing five executives’ calendars, inboxes, travel, documentation, and administrative operations in a hybrid role.

Posted 8/4/2026full-timeLeesburg • Virginia • 🇺🇸 United StatesSenior💰 $90,000 - $115,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates advanced proficiency in calendar and inbox management for senior executives, with strong written communication skills and the ability to prioritize effectively in a fast-paced environment. Capable of handling confidential information and managing shifting priorities across diverse working styles.

Highest-signal resume keywords

Calendar ManagementInbox ManagementMicrosoft 365 ProficiencyWritten Communication SkillsGovernment Contracting Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Calendar ToolsEmail DraftingExpense ReportingFiling Systems ManagementMeeting Coordination

Soft Skills

Prioritization JudgmentDiscretionAdaptability

Tools & Technologies

OutlookSharePointTeams

Industry Keywords

Government ContractingConsultingProfessional Services

About the role

Key responsibilities & impact

Own and manage complex, high-volume calendars for five executives
Resolve calendar conflicts and make real-time priority judgments
Proactively schedule and reschedule meetings around shifting business priorities
Block focus time and protect executives' calendars from over-scheduling
Anticipate recurring scheduling needs for MFRs, board meetings, QBRs, and client engagements
Monitor and triage executive inboxes
Draft routine email responses on executives' behalf
Track folders, flags, and tasks to ensure time-sensitive items are not missed
Follow up on outstanding email threads
Process expense reports and manage executive-operation budgets
Maintain filing systems for Board and executive documentation
Support executive special projects
Prepare daily/weekly summaries of calendar and inbox priorities
Coordinate domestic and international travel logistics
Prepare meeting materials and calendar invites
Manage incoming meeting requests and inbox volume as a gatekeeper

Requirements

What you’ll need

5+ years supporting senior executives, emphasizing calendar and inbox management across multiple executives
Advanced proficiency in Outlook/Microsoft 365, including calendar tools, rules, delegate access, and focus-time features
Excellent prioritization judgment to distinguish urgent from important without hand-holding
Strong written communication skills for drafting emails in an executive’s voice
High discretion with confidential and sensitive information
Comfort managing ambiguity and shifting priorities across four distinct working styles
Experience in government contracting, consulting, or professional services
Hands-on experience with SharePoint, Teams, and other Microsoft 365 collaboration tools
Must be legally authorized to work in the United States without sponsorship
Must be local to the Lansdowne, VA area with a realistic commute to the office

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
401K plan with a 4% match
Company paid short-term disability
Company paid long-term disability
Company paid AD&D and life insurance
Flex time off
Annual bonuses
Training stipends
Certification reimbursements
Access to over 30,000 free online training courses
Personal cell phone allowance
New hire and annual home office stipend
Spot awards
Eleven paid holidays