Description We are offering a long-term contract employment opportunity in San Marcos, California for a Sr. Administrative Assistant. This role serves as a central figure in the organization, ensuring smooth operations by managing website backend, overseeing shipping processes, and handling various administrative tasks. You will be working in a fast-paced environment, contributing significantly to the company's overall efficiency. Responsibilities: • Oversee the backend management of the website, including tracking shipments. • Handle shipping processes, including labeling, coordinating with UPS, and following up on shipments. • Contribute to monthly accounting tasks such as tracking orders, preparing expense reports, and utilizing SharePoint and Excel. • Support budgeting processes on a monthly basis and perform data entry for an external accountant. • Update technical specification sheets using Word. • Manage the invoice log and track purchasing activities. • Create and complete expense reports using Excel. • Assist with business processes and special projects as needed. • Handle international and small items shipping, ensuring all documentation is correctly prepared. • Use CRM and other tools for efficient order management and calendar management. Requirements • Proficiency in CRM systems to manage client relationships and interactions • Familiarity with About Time software for efficient time tracking and project management • Understanding of budget processes to assist with financial planning and control • Expertise in calendar management to coordinate meetings, appointments, and deadlines • Exceptional communication skills for clear and effective correspondence with team members and clients • Experience in handling conference calls to facilitate remote meetings and discussions • Proficiency in Microsoft Excel for data analysis and report creation • Proficiency in order management to ensure efficient processing and delivery of orders • Experience with ordering office supplies to maintain adequate inventory levels • Knowledge of UPS shipping procedures for domestic and international deliveries • Familiarity with international shipping rules and regulations to facilitate global transactions • Knowledge of shipping documentation requirements to ensure legal and regulatory compliance • Experience in mail distribution to ensure timely and accurate delivery of correspondence. TalentMatch® Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .