3682 Executive Assistant / Administrative Assistant

Location: Boston, MA
Duration: 3-Month Contract
Schedule: Full-Time | Monday-Friday
Work Arrangement: 100% Onsite

Executive Assistant Jobs in Boston, MA | Administrative Assistant Careers

Sigma Inc. is seeking an experienced Executive Assistant / Administrative Assistant to support senior executive leadership in a fast-paced professional environment in Boston, MA. This is an excellent opportunity for a highly organized administrative professional with strong calendar management, executive support, meeting coordination, and communication skills.

If you have experience supporting C-level executives, managing complex schedules, coordinating travel, and handling confidential information, we encourage you to apply.

Job Responsibilities

Executive Support

• Provide administrative support to executive leadership, including CEO, President, Executive Vice President, and other senior leaders.
• Manage complex executive calendars, scheduling meetings, appointments, and events.
• Coordinate virtual meetings using Zoom and Microsoft Teams.
• Screen calls, prioritize communications, and manage executive correspondence.
• Prepare reports, presentations, meeting materials, and business documents.
• Handle highly confidential and sensitive information with discretion and professionalism.

Calendar & Meeting Management

• Coordinate internal and external meetings across multiple time zones.
• Schedule and organize executive meetings, board meetings, and leadership discussions.
• Prepare agendas, meeting materials, and follow-up documentation.
• Ensure seamless scheduling and conflict resolution for executive calendars.

Travel & Event Coordination

• Arrange domestic and international travel itineraries.
• Coordinate flights, hotels, transportation, and travel logistics.
• Manage travel expense documentation and reporting.
• Support executive events and special projects as needed.

Administrative Operations

• Perform internet research and gather information for executive initiatives.
• Create and maintain spreadsheets, presentations, reports, and databases.
• Assist with special projects and administrative assignments.
• Collaborate with internal teams and external stakeholders to support business objectives.

Required Qualifications

• Experience as an Executive Assistant, Senior Administrative Assistant, or Executive Administrator experience.
• Experience supporting C-suite executives or senior leadership teams.
• Strong calendar management and meeting coordination experience.
• Advanced proficiency with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).
• Experience with Zoom and Microsoft Teams.
• Strong organizational and multitasking skills.
• Excellent written and verbal communication skills.
• Ability to manage confidential information professionally.
• Strong problem-solving and analytical abilities.

Preferred Qualifications

• Experience supporting executives within mid-size or large organizations.
• Experience preparing executive-level presentations and reports.
• Background coordinating complex travel arrangements.
• Ability to work independently with minimal supervision.
• Experience managing multiple priorities in a fast-paced environment.