Executive Administrator – Office Manager

Red Cell Partners

. Manage complex calendars for multiple executives, coordinating meetings across internal and external stakeholders .

Posted 9/30/2026full-timeMcLean • Virginia • United StatesMid-LevelSenior💰 $75,000 - $110,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in executive administration and office management, with a strong focus on calendar management, expense processing, and organizational skills. Proficient in Microsoft Office 365 and capable of maintaining professionalism and discretion in handling sensitive information.

Highest-signal resume keywords

Executive Administration ExperienceCalendar ManagementExpense ProcessingMicrosoft Office 365 ProficiencyOrganizational Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Calendar ManagementExpense ProcessingAdministrative Record ManagementOffice ManagementMeeting CoordinationVendor CoordinationOnboarding SupportReimbursement ProcessingDocumentation PreparationOffice Logistics

Soft Skills

Attention to DetailInterpersonal SkillsCustomer-Service OrientationProfessionalismCommunication Skills

Tools & Technologies

ConcurDEFCON AI's ERP PlatformSlackMicrosoft OutlookMicrosoft TeamsMicrosoft WordMicrosoft ExcelMicrosoft PowerPointMicrosoft SharePoint

Industry Keywords

Executive SupportProfessional EnvironmentAdministrative SupportOffice ManagementWashington, DC Metropolitan Area

Tech Stack

Tools & technologies

ERP

About the role

Key responsibilities & impact

Manage complex calendars for multiple executives, coordinating meetings across internal and external stakeholders
Prioritize scheduling requests and resolve calendar conflicts while balancing changing business needs
Coordinate leadership meetings, offsites, and executive travel arrangements as needed
Prepare meeting materials, agendas, and supporting documentation
Track follow-up actions and help ensure key commitments remain visible and organized
Serve as a trusted point of contact for executives, exercising professionalism and discretion with sensitive information
Manage expense reporting and reconciliation through Concur and DEFCON AI's ERP platform, Unanet
Review expense submissions for accuracy, completeness, and policy compliance
Partner with Finance to resolve discrepancies and ensure timely processing
Maintain organized records of expenses, receipts, and supporting documentation
Support administrative workflows related to purchasing, invoices, and vendor coordination
Serve as the primary point of contact for day-to-day operations of the McLean office
Coordinate mail and package handling
Assist employees with office access, badge/card access requests, and workspace needs
Coordinate office supplies, equipment, and vendor services
Support onboarding and offboarding activities related to office logistics
Help plan and coordinate occasional onsite meetings, team gatherings, and company events

Requirements

What you’ll need

5+ years of experience in executive administration, office management, or a related administrative support role in a professional environment
Demonstrated experience supporting senior executives and managing complex calendars
Experience processing expenses, reimbursements, and administrative records
Strong organizational skills with exceptional attention to detail
Ability to manage multiple priorities and adapt in a fast-paced environment
Excellent written and verbal communication skills
Strong interpersonal skills and customer-service orientation, with the ability to work effectively across all levels of the organization
High degree of professionalism, discretion, and judgment when handling confidential information
Proficiency with Slack and Microsoft Office 365, including Outlook, Teams, Word, Excel, PowerPoint, and SharePoint
Demonstrated ability to anticipate needs, take initiative, and work with minimal supervision
Must be located in the Washington, DC metropolitan area and able to work onsite in the McLean/Tysons Corner office three days per week

Benefits

Comp & perks

Competitive salary, bonus, and equity package
100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family
Unlimited PTO, with your manager’s approval
Flexible work environment where you manage your work day
14 weeks of fully-paid parental leave
Career track opportunity with potential for rapid advancement with strong performance as the firm grows
Opportunities for professional development and continued learning
Optional 401K, FSA, and equity incentives available
Mental health benefits are available through Tara Mind
Cost effective GLP-1 solutions available through Crux