Office Manager

Rithum is the world’s most trusted commerce network, accelerating how brands, suppliers, and retailers work together to deliver seamless e-commerce experiences. We provide an unmatched platform for brands and retailers, enabling them to accelerate growth, optimize operations across channels, scale product offerings and enhance margins.

Today, more than 40,000 companies trust Rithum to grow their business across hundreds of channels, representing over $50 billion in annual GMV. Using our commerce, marketing, and delivery solutions, our customers create optimized consumer shopping journeys from beginning to end.

As an Office Manager, you are responsible for overseeing all office services for our Plano office, which serves as a central hub for in-person collaboration, leadership and board meetings, customer engagements, and company events. While Rithum is a fully remote organization, this role is expected to work on-site and operate with a high degree of autonomy as the company’s primary on-site representative.

You drive high professional standards, deliver an exceptional employee and visitor experience, and optimize office services through effective vendor management and cost-conscious decision-making. You are a primary point of contact for executives, employees, board members, investors, and guests utilizing the Plano office and play a critical role in supporting executive operations and on-site priorities.

• Office & Facilities Operations:
  Own day-to-day operations of the Plano office, ensuring readiness, professionalism, and high-quality experience for employees, executives, and visitors.
• Serve as the primary on-site liaison with the landlord, building management, security, and service providers; attend tenant meetings and resolve facilities-related issues.
• Coordinate facilities standards, vendors, and reporting with the London office Facilities Manager and plan and execute office moves or space changes as needed.

• Vendor, Budget & Compliance Management:
  Manage office services procurement, vendor relationships, contracts, budgets, and invoice approvals, ensuring cost efficiency, service quality, and accurate recordkeeping.
• Support negotiations with landlords and vendors and maintain compliance with contractual, safety, and building requirements.

• Health, Safety & Risk:
  Support health, safety, and security programs, including risk assessments, training, first aid readiness, and alignment with building procedures.
• Partner with HR to support on-site and remote working assessments, including ergonomic accommodations.

• Executive, Board & Business Support:
  Provide proactive administrative and operational support to senior executives as assigned, including scheduling, travel, and meeting logistics, and support the CEO with on-site priorities.
• Partner with the team to coordinate board, investor, and customer meetings, ensuring seamless execution across logistics, A/V, and site-visit execution.
• Handle sensitive and confidential information with discretion and sound judgment.

• Culture, Events & Continuous Improvement:
  Coordinate internal office events, and support client and visitor experiences.
• Maintain and improve office and administrative processes, support business continuity planning, and execute special projects in partnership with cross-functional teams.

Minimum Qualifications

• Ability to maintain a full‑time on-site presence in the Plano office (40 hours per week).
• 2+ years of experience in office management, workplace operations, or facilities management within a corporate environment.
• 2+ years of experience providing executive administrative support to C-suite or senior executives.
• 2+ years of experience acting as the primary on‑site representative with landlords, building management, and third‑party service providers.
• Demonstrated experience operating independently in a highly autonomous role as the sole on‑site operations representative.
• Proven experience managing budgets, vendors, and service contracts.
• Demonstrated ability to coordinate and manage end‑to‑end high‑visibility meetings (executive, board, customer), including A/V, onsite preparation, materials, and hospitality.
• St…