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

460 Job Offers

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Phlebotomist / Administrative Assistant
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Seeking a certified Phlebotomist/Administrative Assistant in Mill Valley to provide exceptional patient care through venipuncture and clinical support. This role requires strong customer service skills, CA phlebotomy certification, and at least 6 months of experience. We offer comprehensive benef...
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United States , Mill Valley
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25.25 - 27.25 USD / Hour
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One Medical
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Senior Executive Administrative Assistant
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Provide dedicated, high-level support to C-Suite leadership in Oklahoma City. This senior role requires 5+ years of executive support experience, exceptional discretion, and advanced MS Office skills. Manage complex calendars, communications, and confidential projects in a fast-paced environment....
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United States , Oklahoma City
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Robert Half
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Administrative Assistant
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Join our team in Washington, DC as an Administrative Assistant in a contract-to-permanent role. We seek a detail-oriented professional with strong organizational skills and experience in office operations, data entry, and customer service. This position offers a comprehensive benefits package inc...
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United States , Washington, DC
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Robert Half
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Executive Administrative Assistant
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Seeking an experienced Executive Administrative Assistant in Rome, USA. This senior role requires 7+ years of secretarial experience, including 5+ years supporting executives. You will manage complex schedules, travel, and reports while utilizing strong tech and organizational skills. We offer a ...
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United States , Rome
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30.70 - 46.05 USD / Hour
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Advocate Health Care
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Administrative Assistant
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Join our team as an Administrative Assistant in the Greater Philadelphia Region. This contract role supports fast-paced tax preparation, requiring strong organizational skills and confidentiality handling. You will manage calendars, documents, and client communications. We offer benefits includin...
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United States , Greater Philadelphia Region
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Robert Half
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Administrative Assistant
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Join our team in Reno, NV as an Administrative Assistant in a contract-to-hire role. Utilize your QuickBooks, Excel, and 10-key data entry skills to support billing, data management, and office operations. This detail-oriented position offers benefits including medical, dental, vision, and a 401(...
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United States , Reno
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Robert Half
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Administrative Assistant
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Join our team in Tamarac, FL, as a Contract Administrative Assistant. This vital role requires strong organizational skills, data entry proficiency, and excellent communication to support office operations. You will manage calls, records, and provide administrative support in a dynamic environmen...
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United States , Tamarac
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Robert Half
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Seasonal Administrative Assistant
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Join ATLAS Navigators for the 2026 tax season as a Seasonal Administrative Assistant in Lubbock. This part-time role supports our accounting firm, requiring strong MS Office skills, organization, and a proactive mindset. You'll manage client interactions, schedules, and administrative tasks in a ...
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United States , Lubbock
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ATLAS Navigators, LLC
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Administrative Assistant
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Join our team in Santa Ana, CA, as a contract Administrative Assistant. Support loan documentation processing in a fast-paced mortgage environment using BitePro and MS Office. This 6-8 week role offers competitive benefits for a detail-oriented professional with 2+ years of relevant experience.
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United States , Santa Ana
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Robert Half
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Administrative assistant
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Join our team as a part-time Administrative Assistant in Santa Monica. This onsite role every Friday focuses on mail management, office organization, and providing welcoming support. The ideal candidate is proactive, detail-oriented, and excels in administrative tasks. We offer daily lunch, gym a...
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United States , Santa Monica
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Robert Half
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Administrative Assistant
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Join our manufacturing team in Wellford, SC, as an Administrative Assistant. This key role requires 3+ years of experience, exceptional organizational skills, and the ability to multitask. You will manage schedules, documents, and support operations. We offer comprehensive benefits including medi...
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United States , Wellford
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Robert Half
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Assistant Retirement Administrator
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Join the Winchester Contributory Retirement System as an Assistant Retirement Administrator. This full-time role supports the Retirement Administrator, serving town employees and retirees. It requires 3-5 years of administrative experience, proficiency in Microsoft Office, and knowledge of M.G.L....
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United States , Winchester
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65000.00 - 85000.00 USD / Year
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Massachusetts Municipal Association
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Administrative Assistant
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Join a leading Greenwich investment firm as a Temporary Administrative Assistant. Provide high-level support to Managing Partners, managing complex calendars, travel, and communications. This in-office role requires 2-5+ years of executive assistant experience, preferably in finance, and strong M...
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United States , New York
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40.00 - 45.00 USD / Hour
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Beacon Hill
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Housekeeping Administrative Assistant
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Join our team in beautiful Telluride, CO, as a Housekeeping Administrative Assistant. This role blends administrative duties with housekeeping leadership, ensuring smooth daily operations and high standards. We seek an organized, communicative professional proficient in Microsoft applications. En...
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United States , Telluride
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22.62 USD / Hour
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Fairmont Grand Del Mar
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Front Office Administrative Assistant
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Join our dental team as a Front Office Administrative Assistant in Glendale. Utilize your Dentrix expertise and 1+ years of dental/medical experience to manage scheduling, insurance billing, and provide exceptional patient service. We offer competitive benefits, paid training, and a stable career...
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United States , Glendale
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Not provided
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Breton Bay Dentistry
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Phlebotomist / Administrative Assistant
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Join One Medical in San Francisco as a Phlebotomist/Administrative Assistant. Utilize your CA phlebotomy certification and customer service skills to provide exceptional venipuncture and clinical support. You will ensure a seamless patient experience from lobby to lab. Enjoy benefits like paid sa...
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United States , San Francisco
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25.25 - 27.25 USD / Hour
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One Medical
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Part-Time Flex Phlebotomist / Administrative Assistant
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Seeking a Part-Time Flex Phlebotomist/Admin Assistant in Dublin. Provide exceptional patient care through venipuncture, clinical support, and front-office duties. Requires 6+ months of phlebotomy/MA experience and strong customer service skills. Enjoy benefits like a 401K match, paid sabbaticals,...
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United States , Dublin
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20.25 - 22.25 USD / Hour
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One Medical
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Phlebotomist / Administrative Assistant
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Join One Medical in Hanover as a Lab Services Specialist. Utilize your phlebotomy and administrative skills to provide exceptional patient care and front-office support. Enjoy comprehensive benefits including paid sabbaticals, health plans, and a 401K match in this vital patient-facing role.
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United States , Hanover
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Salary
19.00 USD / Hour
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One Medical
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Administrative Assistant
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Seeking a Temporary Administrative Assistant for a leading Greenwich, CT investment manager. This in-office role supports senior partners, managing complex calendars, travel, and documents. Requires 2-5+ years of finance/admin experience, MS Office proficiency, and impeccable discretion. Competit...
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United States , New York
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Salary
40.00 - 45.00 USD / Hour
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Beacon Hill
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Senior Administrative Assistant
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Join our nonprofit team in Atlanta as a Senior Administrative Assistant. Provide crucial support to an eight-person team, managing calendars, travel, and documentation. This contract role requires expertise in Google Sheets, Microsoft 365, and a passion for meaningful work. We offer comprehensive...
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United States , Atlanta
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Not provided
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Robert Half
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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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