Office & Events Lead (DC)

Castelion; Maryland; On-site; USD 52,000 - 76,000; Full time

Benefits offered by this job

Equity

Paid time off

Holidays

Health benefits

Dental and vision

Parental leave

Fitness stipend

Onsite EV charging

Catered meals

Job summary

Castelion in Washington DC is seeking a highly organized Office Manager to own daily operations of the DC office, serving as a hub for customer engagement, executive meetings, and events.

You will oversee vendor relationships, shipping, security coordination, budgets, and SOPs, ensuring a high standard of professionalism while supporting fast-paced, high-expectation environments. This role offers equity and comprehensive benefits.

Qualifications

• 3+ years of office management or operations roles.
• Strong organizational and multitasking skills.
• Experience supporting executives and external guests.
• Excellent communication and attention to detail.
• Ability to work independently in a fast-paced environment.

Responsibilities

• Own daily office operations and maintain a high-functioning environment.
• Prepare for customer visits, executive meetings, and hosted events.
• Coordinate meeting and event logistics end-to-end.
• Manage vendor relationships (janitorial, maintenance, catering, security).
• Oversee shipping and mail distribution and package handling.
• Support site protocols with security and visitor access procedures.
• Maintain inventory of office supplies and equipment.
• Coordinate maintenance needs and escalate as appropriate.
• Establish and uphold office SOPs for consistency and efficiency.
• Ensure office environment reflects Castelion's professionalism and brand.
• Track and manage office-related expenses and budgets.
• Identify and implement improvements to enhance operations.

Skills

Office management

Vendor management

Logistics coordination

Executive support

Communication

Office tools

Tools

Microsoft Office

Google Workspace

Job description

Castelion in Washington DC is seeking a highly organized Office Manager to own daily operations of the DC office, serving as a hub for customer engagement, executive meetings, and events.

You will oversee vendor relationships, shipping, security coordination, budgets, and SOPs, ensuring a high standard of professionalism while supporting fast-paced, high-expectation environments. This role offers equity and comprehensive benefits.