High‑Impact Office & Events Lead

Castelion Corporation; Washington (District of Columbia); Hybrid; USD 55,000 - 75,000; Full time

Benefits offered by this job

Benefits package

Job summary

Castelion Corporation in Washington DC is seeking an experienced Office Manager to own day‑to‑day operations of the DC office, coordinating with executives and external partners to ensure a smooth, professional, and reliable presence. The role emphasizes high visibility, event support, vendor management, logistics, and a strong focus on workplace experience in a fast‑paced environment.

You will set up meetings, coordinate visits, track office supplies, manage budgets, and uphold Castelion's

Qualifications

• 3+ years in office management, operations coordination, or related roles.
• Strong organizational and multitasking abilities.
• Experience managing vendors and service providers.
• Familiarity with shipping/receiving and logistics coordination.
• Excellent communication, especially with executives and guests.
• Ability to work independently with high attention to detail.
• Comfortable in fast-paced environments with last-minute changes.
• Proficient in Microsoft Office, Google Workspace, scheduling tools.

Responsibilities

• Own daily office operations, maintaining a clean, organized, and high-functioning environment
• Prepare and manage the office for customer visits, executive meetings, and hosted events, ensuring a seamless experience
• Coordinate meeting and event logistics end-to-end, including scheduling, setup, and execution
• Manage vendor relationships (janitorial, maintenance, catering, security), ensuring high-quality and timely service
• Oversee shipping and receiving, including handling, tracking, and distribution of mail, packages, and equipment
• Partner with EHS and security to uphold site protocols, visitor access procedures, and safe operations
• Maintain inventory of office supplies, equipment, and materials to ensure operational readiness
• Coordinate maintenance needs, addressing minor issues directly and escalating as appropriate
• Establish and uphold office procedures and SOPs to drive consistency and efficiency
• Ensure the office environment reflects a high standard of professionalism and aligns with Castelion's brand
• Track and manage office-related expenses and budgets
• Continuously identify and implement improvements to enhance office operations and overall workplace experience

Skills

Organizational skills

Vendor management

Communication skills

Office software

Tools

Microsoft Office

Google Workspace

Scheduling tools

Job description

Castelion Corporation in Washington DC is seeking an experienced Office Manager to own day‑to‑day operations of the DC office, coordinating with executives and external partners to ensure a smooth, professional, and reliable presence. The role emphasizes high visibility, event support, vendor management, logistics, and a strong focus on workplace experience in a fast‑paced environment.

You will set up meetings, coordinate visits, track office supplies, manage budgets, and uphold Castelion's