Administrative Manager

Company Description EXSTO Group is dedicated to improving clients’ performance through advanced plastics processing and deep expertise in polymers. The company designs and produces high-quality, application-specific products that help clients optimize efficiency and reliability. EXSTO Group focuses on understanding each client’s technical and operational challenges to deliver tailored solutions. By emphasizing innovation and sustainable contribution to competitiveness, the organization supports long-term client success and growth.Role Description The Administrative Manager is a full-time, on-site role based in Ann Arbor, MI. This role oversees daily office operations, including managing administrative procedures, coordinating schedules and meetings, and maintaining records and documentation. The Administrative Manager supports internal teams with reporting, procurement, and basic financial and HR-related administration, ensuring compliance with company policies. Responsibilities also include liaising with external partners and vendors, improving administrative workflows, supporting leadership with presentations and correspondence, and contributing to a well-organized, efficient work environment.Qualifications Strong office administration and organizational skills, including records management, scheduling, and task prioritization.Proficiency with productivity tools and software (e.g., MS Office, spreadsheets, email and calendar tools, document management systems).Solid communication and interpersonal skills for collaborating with cross-functional teams and interacting with clients and vendors.Basic understanding of budgeting, invoicing, and expense tracking, with attention to detail and accuracy.Experience implementing and refining administrative processes, procedures, and workflows.Ability to work independently on-site, handle multiple deadlines, and adapt to changing priorities.Previous experience in an administrative, office management, or operations support role; industrial or manufacturing environment experience is a plus.Associate or bachelor’s degree in Business Administration, Management, or a related field, or equivalent practical experience.