Strategic Executive Assistant & Office Operations Lead

Alliance for Critical Infrastructure; Washington (District of Columbia); On-site; USD 55,000 - 83,000; Full time

Job summary

The Alliance for Critical Infrastructure (ACI) in Washington, DC seeks a Senior Executive Assistant & Office Manager to support senior executives and manage daily office operations. You will coordinate complex calendars, travel, meeting prep, and follow‑up while ensuring logistics, vendors, and routines run smoothly.

You will work closely with leadership and external stakeholders to handle sensitive information with discretion and maintain a proactive, organized approach in a fast‑paced,

Qualifications

• 8+ years of executive assistant, senior administrative support, or office management experience.
• Experience supporting multiple senior executives and managing competing priorities.
• Exceptional organization, communication, judgment, discretion, and follow‑through.

Responsibilities

• Manage complex calendars, meetings, travel, expenses, and executive priorities for senior executives
• Prepare agendas, briefing materials, presentations, correspondence, and follow‑up actions
• Coordinate Board, member, government, partner, and leadership meetings and events
• Oversee office operations, vendors, supplies, facilities, visitors, and workplace logistics
• Support employee onboarding, administrative records, and special projects
• Build efficient administrative practices and office routines as ACI grows

Skills

Calendar management

Travel planning

Executive support

Communication

Discretion

Follow-through

Organization

Judgment

Tools

Microsoft 365

Job description

The Alliance for Critical Infrastructure (ACI) in Washington, DC seeks a Senior Executive Assistant & Office Manager to support senior executives and manage daily office operations. You will coordinate complex calendars, travel, meeting prep, and follow‑up while ensuring logistics, vendors, and routines run smoothly.

You will work closely with leadership and external stakeholders to handle sensitive information with discretion and maintain a proactive, organized approach in a fast‑paced,