Senior Administrative Coordinator

About the Company

Addison Group is partnering with a respected nonprofit organization seeking a Senior Administrative Coordinator to support executive leadership and oversee day-to-day administrative operations. This role is ideal for an experienced administrative professional who enjoys managing multiple priorities, improving office processes, and leading administrative support functions in a mission-driven environment.

Job Description

The Senior Administrative Coordinator will provide executive-level administrative support while ensuring efficient office operations across multiple departments. This individual will partner closely with senior leadership, coordinate department-wide administrative initiatives, oversee front office operations, and supervise the receptionist. The ideal candidate is highly organized, collaborative, and passionate about supporting a meaningful mission.

Key Responsibilities

• Provide comprehensive administrative support to executive leadership, including complex calendar management, meeting coordination, travel arrangements, and scheduling.
• Organize meetings by preparing agendas, presentations, reports, and meeting materials while documenting notes and tracking follow-up items.
• Draft, edit, and distribute professional correspondence, reports, presentations, and confidential documents.
• Manage incoming communications, prioritize requests, and route inquiries appropriately.
• Process purchase requests, expense reports, invoices, and other administrative documentation.
• Coordinate department calendars, meetings, trainings, special events, and leadership initiatives.
• Standardize administrative procedures, templates, and documentation to improve consistency across teams.
• Collect, organize, and submit reports and departmental information for leadership.
• Assist with onboarding and administrative orientation for new team members.
• Oversee daily office operations, including reception, conference room scheduling, office supplies, mail distribution, and shared resources.
• Supervise and provide guidance to the receptionist while promoting excellent customer service.
• Serve as the primary point of contact for facilities, technology, security, and other internal support teams.
• Identify opportunities to improve administrative workflows and office efficiency.
• Foster collaboration among administrative staff and support cross-functional communication.

Qualifications

• High school diploma or equivalent required.
• Previous experience as an Executive Assistant, Office Manager, Senior Administrative Assistant, or similar administrative leadership role.
• Demonstrated career progression in administrative support positions.
• Prior experience supervising or leading administrative staff.
• Background working within a nonprofit or mission-focused organization strongly preferred.
• Experience coordinating large meetings, events, or organizational initiatives.
• Strong proficiency with Microsoft Office Suite, including Outlook, Word, Excel, PowerPoint, and Teams.
• Excellent organizational, communication, and multitasking skills.
• Ability to maintain confidentiality and exercise sound judgment.
• Comfortable working independently while partnering effectively with executive leadership and cross-functional teams.
• Professional, compassionate, and service-oriented approach with strong interpersonal skills.

Additional Details

Looking for someone who is collaborative, dependable, detail-oriented, and passionate about supporting a mission-driven organization.

Perks

• Join a purpose-driven organization making a positive impact in the community.
• Work directly with executive leadership and gain high-level exposure.
• Leadership opportunity with oversight of office administration and reception.
• Collaborative and supportive team environment.