Office Manager; Part-Time

Department: Strategy

Location: Boston, MA

Cartesian is a specialist consulting firm with over 35 years of experience serving the global telecommunications, media, and technology (TMT) sectors. We partner with clients worldwide to design and implement practical strategies, data-driven transformations, and technology solutions that drive growth and operational efficiency. Our expertise spans analytics, strategy, technical services, content security, and management consulting.

We are looking for a dynamic, highly organized, and service-oriented Office Manager to own the day-to-day operations of our Boston office. This is a hands-on, high-visibility role at the center of the employee experience. Someone who takes genuine pride in keeping a busy office running smoothly, creates a welcoming environment for employees and guests, and proactively solves problems before they become issues.

The Office Manager partners closely with People Operations Manager, IT, Finance, and firm leadership, and plays a meaningful role in onboarding, events, facilities, vendor management, and culture-building across the firm.

• Serve as the primary point of contact for day-to-day Boston office operations.
• Ensure the office remains a professional, welcoming, and productive environment for employees, candidates, clients, and visitors.
• Manage relationships with building management, vendors, and service providers, coordinating maintenance, repairs, office improvements, and facility-related projects.
• Oversee office inventory, supplies, equipment, and workplace resources.
• Identify and implement improvements that enhance the employee experience and support a growing office.

• Partner with IT support providers to coordinate employee technology needs, workstation setup, equipment provisioning, and troubleshooting.
• Maintain office technology inventory and support equipment lifecycle management.
• Help ensure employees have the tools and resources they need to be successful from day one.

• Coordinate office-related onboarding and offboarding activities, ensuring a seamless employee experience.
• Prepare work spaces, facilitate access and equipment setup, and support first-day logistics.
• Partner with People Operations Manager, hiring managers, and IT to coordinate onboarding schedules and employee transitions.

• Manage office vendors, purchasing, invoices, and recurring operational expenses.
• Maintain office records, resources, and operational documentation.
• Support internal communications and other administrative initiatives as needed.

• Plan and coordinate office events, team celebrations, volunteer activities, leadership visits, and other employee engagement initiatives.
• Manage event logistics, catering, and vendor coordination.
• Partner with People Operations Manager and leadership to foster a collaborative, inclusive, and engaging workplace culture.

• 3+ years of experience in office management, workplace operations, facilities coordination, hospitality, or administrative support
• Exceptional organizational skills and attention to detail – you notice what needs to be done before being asked
• Ability to manage multiple priorities simultaneously and adapt to shifting needs
• Excellent written and verbal communication skills; comfortable interacting with employees at all levels including firm leadership
• Proactive, resourceful, and solutions-oriented – you take ownership and follow through
• Experience coordinating vendors, managing inventory, and supporting office operations
• Proficiency in Microsoft Office:
  Outlook, Word, Excel, and Power Point
• Experience supporting onboarding, employee events, or workplace experience initiatives preferred
• Comfortable working independently while collaborating effectively across teams

• Competitive compensation and performance-based bonuses
• Learning & development programs and mentorship
• Exposure to high-impact projects
• Volunteer events that support giving back to our local communities
• Weekly company-sponsored team social
• Annual summer party, holiday party, and other fun events