Location: Wentzville, Missouri
Company: STS Technical Services
Employment Type: Full-Time, Direct Hire

STS Technical Services is hiring an experienced Administrative Assistant in Wentzville, Missouri. This position provides high-level administrative support to senior personnel by managing information flow, coordinating office functions, and ensuring day-to-day operations run smoothly. The ideal candidate is organized, resourceful, and capable of handling sensitive information with discretion.

Job Responsibilities: Manage general office duties such as ordering supplies, maintaining records systems, and assisting with basic bookkeeping Review and approve invoices, memos, reports, letters, and financial documents Analyse incoming submissions and communications to determine importance and appropriate routing Prepare agendas and coordinate logistics for meetings, committees, and internal events Make travel and meeting arrangements for leadership and staff Assist in the preparation of internal reports and presentations Support executives with day-to-day administrative needs while maintaining confidentiality and professionalism Skills & Experience: Excellent verbal and written communication skills Strong organisational skills and attention to detail Ability to manage multiple tasks and deadlines independently Skilled in maintaining confidential records and handling sensitive information Experience in event planning and meeting coordination Proficient in Microsoft Office Suite, including Word, Excel, and PowerPoint Strong interpersonal skills and a team-first mindset Prior experience supporting executives is required Education & Requirements: High school diploma or GED required 8–10 years of relevant administrative experience Experience working directly with executives required About STS Technical Services:

STS Technical Services is a Top 100 Staffing Firm that partners with some of the largest names in aerospace, manufacturing, defense, and industrial sectors. We connect skilled professionals with long-term career opportunities across the United States.

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