Part-Time Office & Executive Administrator

Part-Time Office & Executive Administrator(15–20 hrs/week | Denver, CO) We are seeking a highly organized and proactive Part-Time Office & Executive Administrator to support our Denver office operations and Managing Directors. This role is ideal for someone who thrives in a dynamic environment and enjoys wearing multiple hats. About the Role This position spans three core areas: executive support for our Managing Directors (~10%), Denver office management (~20%), and US HR support (~5%), with the remaining time allocated to general administrative duties. As the go-to person for day-to-day office operations, you will manage scheduling, coordinate travel, handle vendor relationships, and ensure the office runs smoothly. You'll also serve as a key point of contact for executive communications and assist with onboarding and internal HR initiatives. Please note: During the weeks leading up to the April 15 and September 15 tax deadlines (typically 1–2 weeks prior to each date), additional hours may be required to support tax return printing and mailing. What You'll Do • Manage calendars, communications, and travel for Managing Directors • Oversee Denver office operations including vendors, facilities, equipment, and budgets • Handle incoming/outgoing mail and support Tax, IR, and Accounting departments with document processing • Assist with employee onboarding, HR materials, and internal newsletters • Plan and coordinate office events and meetings What We're Looking For • Strong organizational and multitasking skills • Excellent written and verbal communication • Experience in office management and/or executive support • Ability to handle confidential information with discretion • Flexibility to increase hours during tax seasons