Administrative Assistant/Office Coordinator

YDesign Group LLC•Sacramento, CA

1d•$29 - $36•Onsite

About The Position

Lumens is seeking a highly organized, detail-oriented, and proactive Administrative Assistant / Office Coordinator to support our Sacramento, CA team. This is a full-time, in-office role — on-site presence is required Monday through Friday. The ideal candidate brings proven experience supporting executives while keeping a busy office running seamlessly. This person is a trusted partner to executives and the entire Lumens team, and brings a collaborative, solutions-first mindset to everything they do.

Requirements

2+ years of experience in an administrative, executive assistant, or office coordination role.
Demonstrated experience supporting executive leadership, including complex multi-leg travel coordination and multi-time zone calendar management.
Experience processing expense reports; familiarity with platforms such as Concur or Brex.
Experience coordinating corporate events or group meetings of varying sizes.
Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Teams).
Exceptional organizational skills, attention to detail, and ability to manage multiple priorities simultaneously.
Excellent written and verbal communication skills; strong interpersonal abilities.
Knowledge of office security, facilities management, and business administration best practices.
Ability to travel to different office locations as needed.

Nice To Haves

Experience with light finance or accounting tasks such as check deposits or invoice processing.
Experience working across multiple offices or supporting geographically distributed executive teams.

Responsibilities

Provide administrative support to multiple executives, including calendar management across time zones, correspondence, and daily task prioritization.
Coordinate domestic and international travel — flights, hotels, ground transportation, visa requirements, and detailed itineraries.
Process and reconcile executive expense reports accurately and in compliance with company policy.
Serve as a trusted liaison between executives and internal/external stakeholders, handling sensitive information with discretion.
Maintain the corporate calendar and plan company events, team meetings, off-sites, and executive functions end-to-end — including venue, catering, logistics, and vendor coordination.
Process incoming checks via electronic deposit; perform light accounting and finance tasks as directed.
Support new employee onboarding to ensure a smooth, welcoming first-day experience.
Process CCPA opt-out requests for consumers, candidates, and employees.
Lead and manage ongoing administrative projects; provide general team support on ad hoc requests.
Develop and maintain office standards and procedures to support efficient daily operations.
Build relationships with building management, vendors, and service providers; coordinate maintenance, repairs, and office modifications.
Greet guests and vendors; manage employee parking passes and security access credentials.
Order, stock, and distribute office supplies, snacks, and beverages; maintain kitchen and breakroom areas.
Assist with seating assignments, space planning, and A/V support in coordination with IT.
Track office costs against budget and identify opportunities for greater financial efficiency.