Executive Assistant/Office Manager

Position Title: Executive Administrative Assistant / Office ManagerReports to: President & General ManagerCompany Background:CNSide Diagnostics is a subsidiary of Plus Therapeutics, Inc. that develops and commercializes proprietary clinical diagnostic laboratory tests, such as CNSide, designed to identify tumor cells that have metastasized to the central nervous system in patients with carcinomas and melanomas. The CNSide Cerebrospinal Fluid Assay Platform enables quantitative analysis and molecular characterization of tumor cells and circulating tumor DNA in cerebrospinal fluid, informing and improving the clinical management of patients. The Company is in the early stages of commercializing CNSide in the U.S.Role:This position is responsible for providing high-level administrative, operational, and organizational support to the executive leadership team while ensuring the smooth, efficient, and professional functioning of our Houston office.This individual will sit at the front desk of our new Houston location and serve as the face of the organization, creating a welcoming and professional first impression for employees, guests, and partners. In addition to executive support, this role will act as Front Desk Manager and Office Manager, partnering closely with Facilities to oversee day-to-day office operations.Responsibilities:Provide high-level executive administrative support, including complex calendar management, travel coordination, expense reporting, and preparation of meeting materialsServe as the primary front desk representative at the Houston office, greeting visitors and ensuring a professional, welcoming environmentManage incoming calls, mail, deliveries, and package distributionPartner with Facilities and building management on shipping, receiving, and operational needsCoordinate building access, including badge creation, visitor registration, and access trackingOversee daily office operations, ensuring the space remains organized, functional, and professionalManage vendor relationships for office services, supplies, equipment, and facilities supportMaintain inventory of office supplies and pantry items; stock and replenish snacks and beveragesCoordinate conference room scheduling and onsite meeting logisticsSupport employee onboarding and offboarding logistics, including workspace setup and access coordinationAssist with HR administrative processes and help with onboarding new hiresSupport Finance with invoice processing, subscription tracking, expense reporting, and vendor paymentsPlan and coordinate company events, leadership meetings, off-sites, and team-building activitiesPrepare presentations, reports, and briefing documents for executive and board meetingsUtilize AI and productivity tools to improve administrative efficiency and workflowIdentify and implement process improvements to enhance office operations and executive supportQualifications: Bachelor's degree preferred but not required; equivalent experience consideredMinimum of 8 years of administrative, office management, or executive support experience, preferably in biotech, diagnostics, therapeutics, or a high-growth startup environmentRequirements:Experience serving as a front desk or office lead in a professional office setting is preferredDemonstrated proficiency using AI-powered productivity tools, including AI assistants, meeting transcription platforms, automated document creation, and workflow optimization solutionsStrong organizational skills with the ability to manage multiple priorities and deadlinesExcellent written and verbal communication skills with meticulous attention to detailExperience supporting senior-level executives and handling confidential information with discretionProficiency with Microsoft 365, Microsoft Teams, Zoom, and common administrative platformsAbility to work independently and collaboratively, demonstrating sound judgment and problem-solving skillsExperience coordinating HR, IT, finance, facilities, or operations tasks preferredProfessional, adaptable, resourceful, and service-orientedPlus Therapeutics, Inc. is an Equal Employment Opportunity/Affirmative Action Employer - Minority/Female/Disability/Veteran. All qualified applicants will be considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, veteran status, or any other characteristic protected by federal, state, or local law.

Created: 2026-05-08