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Administrative Assistant - Security United States Jobs (On-site work)

467 Job Offers

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Administrative Associate/Project Assistant
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Join our team in Orinda, CA as an Administrative Associate/Project Assistant. This contract-to-hire role provides high-level support to the CEO and senior management, handling office operations and diverse projects. We seek a detail-oriented professional with 2+ years of admin experience and stro...
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United States , Orinda
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Robert Half
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Administrative Operations Assistant
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Seeking a detail-oriented Administrative Operations Assistant in Oklahoma City. This role requires strong organizational skills, proficiency in Microsoft Office, and experience in a fast-paced office environment. Automotive industry experience is a plus. Benefits include bonus potential, full ins...
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United States , Oklahoma City
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14.00 - 15.00 USD / Hour
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Robert Half
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Temporary Part-Time Administrative Assistant
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Join our team as a Temporary Part-Time Administrative Assistant supporting workforce development across five counties. You will provide key administrative support, coordinate with jobseekers and employers, and assist with career development activities. This Fort Wayne-based role requires MS Offic...
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United States , Fort Wayne
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Robert Half
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Administrative Assistant
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Join Airswift as an Administrative Assistant for a major client in Houston, TX. This on-site role requires 3+ years of admin experience, proficiency in MS Office, and strong organizational skills. You will manage floor activities, support executives, and handle confidential information on a 9/80 ...
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United States , Houston
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Airswift Sweden
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Office Manager/ Administrative Assistant
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Seeking an organized Office Manager/Administrative Assistant in O'Fallon. You will oversee daily operations, manage events, handle accounts payable, and support the Board. Requires 5+ years of experience and strong Excel skills. Enjoy fully covered benefits including medical, dental, and a 401(k)...
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United States , O'Fallon
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50000.00 USD / Year
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Robert Half
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Administrative Assistant
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Seeking a part-time Administrative Assistant for a contract-to-hire role in Walnut Creek, CA. Support a financial planning office three days a week, handling phones, client greetings, scheduling, and CRM data entry. This role requires strong organizational skills, proficiency in Microsoft Office,...
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United States , Walnut Creek
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Robert Half
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Senior Administrative Assistant / Executive Assistant
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Seeking a seasoned Senior Administrative Assistant with REQUIRED senior living industry experience. Provide high-level, onsite support to the CEO, CFO, and COO in Kearny Mesa. Manage executive priorities, calendars, travel, and corporate office operations with utmost discretion. This key role off...
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United States , San Diego, CA
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Robert Half
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Banquets Payroll Administration Assistant
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Join our Renaissance Hotels team in Schaumburg as a Banquets Payroll Administration Assistant. You will manage payroll data, update records, and handle administrative tasks using various software. This role offers a comprehensive benefits package supporting your wellbeing and career growth. Bring...
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United States , Schaumburg
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24.00 - 25.00 USD / Hour
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Marriott Bonvoy
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Administrative Assistant
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Join our team in Fort Collins, CO, as a contract Administrative Assistant. This key role requires strong communication skills, office software proficiency, and a detail-oriented approach to support daily operations. You will be the welcoming first point of contact, managing tasks from scheduling ...
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United States , Fort Collins
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Robert Half
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Administrative Assistant
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Join our team in Wilmington, Delaware, as a part-time Administrative Assistant. This on-site contract role requires strong organizational skills and proficiency in Microsoft Office. You will manage high-volume tasks, client intake, and support operations in a fast-paced tax season environment. We...
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United States , Wilmington
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Robert Half
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Administrative Assistant II
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Seeking a detail-oriented Administrative Assistant II to support the Adult Day Health Center management team in Los Angeles. This role requires 4+ years of experience, proficiency in MS Office/Teams, and strong communication skills. Key duties include data entry, office coordination, and report g...
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United States , Los Angeles
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22.12 - 26.00 USD / Hour
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InnovAge
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Administrative Assistant II
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Join our team as an Administrative Assistant II in Newport News. Provide vital administrative support to our Adult Day Health Center leadership using your 4+ years of experience and MS Office proficiency. This role offers comprehensive benefits and values strong organizational and communication s...
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United States , Newport News
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19.23 - 21.50 USD / Hour
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InnovAge
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Administrative Assistant- F & B
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Join Marriott Hotels in Orlando as an Administrative Assistant for F&B. You will manage records, guest inquiries, and office systems using various software. This role offers training, development, and a focus on well-being in a luxury environment. Bring your organizational skills to support wonde...
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United States , Orlando
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Marriott Bonvoy
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Administrative Assistant
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Join our team as a part-time Administrative Assistant in Louisville. This onsite role offers flexible hours (25-29/week) and requires strong skills in data entry, inbound calls, and front desk management. We provide a contract-to-permanent opportunity with benefits including medical, dental, and ...
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United States , Louisville
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Robert Half
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Administrative Assistant
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Join our team in Lakewood, CO, as a long-term Administrative Assistant. You will ensure smooth daily operations through front desk support, office access management, and event coordination. We seek a detail-oriented professional with strong organizational and communication skills. This contract r...
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United States , Lakewood
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Robert Half
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Administrative Assistant
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Seeking a bilingual Japanese/English Administrative Assistant for our Pittsburgh, PA office. This role requires 5+ years' experience providing comprehensive facility and executive support, including calendar management and SAP requisitions. The ideal candidate is highly organized, proactive, and ...
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United States , Pittsburgh
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Myticas Consulting
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Administrative Assistant
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Join our team as an Administrative Assistant in Richmond, Maine. This onsite, long-term contract role requires proficiency in Microsoft Office and strong organizational skills. You will provide essential support, manage front desk duties, and ensure smooth office operations. We offer comprehensiv...
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United States , Richmond
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Not provided
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Robert Half
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Administrative Assistant
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Join our team as a contract Administrative Assistant in Los Angeles. You will manage documents, process mail, and provide key office support. The role requires strong organizational skills and proficiency with systems like DocuWare. We offer comprehensive benefits including medical, dental, and a...
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United States , Los Angeles
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Not provided
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Robert Half
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Seasonal Administrative Assistant
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Join ATLAS Navigators, LLC as a Seasonal Administrative Assistant for the 2026 tax season in Cincinnati. Support our team and clients with digitizing documents, client communication, and reception duties using CCH Software and Microsoft Office. Ideal candidates are detail-oriented, organized mult...
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United States , Cincinnati
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ATLAS Navigators, LLC
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Administrative Assistant
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Join our Service Planning team as an Administrative Assistant in El Cajon. Provide vital support through phone communication, crew scheduling, and map printing. We seek an organized professional with strong MS Office skills for this dynamic office role. Opportunity to contribute to special projec...
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United States , El Cajon
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Tucker Parker Smith Group
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Administrative Assistant jobs represent a vital and versatile career path, serving as the organizational backbone for companies across every industry, including the specialized and growing field of security. Professionals in this role are the central hub of office operations, ensuring efficiency, accuracy, and seamless communication. A career as an Administrative Assistant is ideal for organized, detail-oriented individuals who thrive on supporting teams and managing a diverse array of tasks that keep a business running smoothly. The core of an Administrative Assistant's role involves a blend of clerical, logistical, and communication duties. Typical responsibilities include managing correspondence through phone calls and emails, scheduling appointments and meetings, and preparing documents, reports, and presentations. They often handle data entry, maintain filing systems—both digital and physical—and assist with basic bookkeeping or invoice processing. In many settings, they are the first point of contact for clients and visitors, requiring a professional and welcoming demeanor. Furthermore, Administrative Assistants frequently support specific departments or executives by coordinating travel, organizing events, conducting research, and managing special projects from inception to completion. Within the context of security jobs, an Administrative Assistant's role takes on additional layers of importance. They may be responsible for managing access logs, assisting with compliance documentation, coordinating security clearances or background check processes, and handling sensitive information with the utmost discretion. The environment demands a heightened awareness of confidentiality and protocol, making these roles critical to the operational integrity of security firms, corporate security departments, or government-adjacent contractors. Typical skills and requirements for Administrative Assistant jobs are consistent yet adaptable. Employers generally seek candidates with a high school diploma, though an associate's degree or relevant certification is often preferred. Proficiency in core software suites, especially Microsoft Office (Word, Excel, PowerPoint, Outlook), is essential. Key soft skills include exceptional written and verbal communication, superior organizational and time-management abilities, and a keen attention to detail. The capacity to multitask, problem-solve independently, and maintain confidentiality is paramount. Prior experience in a customer service or office support role is highly valued, as is the ability to adapt to industry-specific software and procedures. Ultimately, Administrative Assistant jobs offer a stable and foundational career with opportunities for specialization. Whether in a general business office or within the precise world of security, these professionals provide the critical support that allows organizations to function effectively, making them indispensable members of any team.

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