Senior Administrator – Executive Assistant/Office Manager

ROLE OVERVIEW

PURPOSE OF JOBThis position is for an Executive Assistant/Office Manager for the Boston office. 

We are seeking a highly organized, proactive, and detail-oriented Executive Assistant / Office Manager to support our leadership team and oversee day-to-day office operations. This is an excellent opportunity for a motivated early-career professional to gain hands-on experience in executive support, administration, and business operations within a fast-paced, collaborative environment.

MAIN RESPONSIBILITIES AND DUTIES

• Provide direct administrative support to senior executives, such as writing and editing e-mails, drafting memos, presentations, and preparing communications on the executive’s behalf.
• Prepare and edit correspondence, presentations, reports, and meeting materials.
• Manage confidential information with discretion and professionalism.
• Track action items, deadlines, and follow-ups from leadership meetings.
• Organizing domestic and international travel arrangements and accommodations for team members and executives.
• Maintain office and kitchen inventory, including ordering and stocking supplies, and ensuring all equipment is in working order.
• Maintaining comprehensive and accurate records/ budgeting.
• Managing executive/s monthly expenses, office expenses, outgoing mail, deliveries and shipments.
• Organizing meetings, including scheduling, sending reminders, and occasionally organizing catering.
• Assist/manage planning and execution of team events, meetings and offsites.
• Answering phone calls in a polite and professional manner.
• Welcoming visitors and identifying the purpose of their visit before directing them to the appropriate department.
• Serve as the primary point of contact for facilities, vendors, and office service providers.
• Support onboarding of new hires and coordinate with HR on administrative matters.
• Managing multiple conference rooms and executive calendars, prioritizing the most sensitive matters.
• Provide assistance with ad hoc project and initiatives.
• Always represents JTC in a professional manner, displaying the ethical behavior we expect in all interactions, both internal and external.
• Adhere to JTC core values and expected behaviors.
•  Any other duties as deemed necessary by Management.

ESSENTIAL REQUIREMENTS

• Associate or bachelor’s degree preferred.
• 0–2 years in an administrative, coordinator, or assistant role (internships included).
• Proficiency with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).
• Experience with complex scheduling/calendar management preferred.
• Strong verbal and written communication.
• Ability to interact with executives, staff, and external stakeholders professionally.
• Excellent organizational skills with the ability to manage multiple priorities effectively.
• Proven ability to handle sensitive and confidential information with absolute discretion.
• Strong attention to detail.
• Problem-solving abilities.
• Experience supporting senior leadership or C-suite executives preferred.
• Familiarity with travel arrangements and expense reporting.
• Event planning experience preferred.

OUR COMMITMENT TO INCLUSION & WELLBEING

JTC is committed to fostering a healthy, inclusive organization where all individuals feel welcome and feel able to participate in the workplace fully. We value different perspectives, backgrounds and lived experiences. This includes supporting employee wellbeing so that people feel equipped to thrive.