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

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Administrative Assistant
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Join our team in Aston, PA, as an Administrative Assistant in a contract-to-permanent role. Utilize your 2+ years of experience and MS Office proficiency to support office operations and reception. We offer a collaborative environment with benefits including medical, dental, and a 401(k) plan.
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United States , Aston
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Not provided
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Robert Half
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Administrative Assistant
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Join our boutique company in Wayzata, MN, as an onsite Administrative Assistant. This contract role requires 2-3 years of experience, proficiency in MS Office, and strong customer service skills. You will manage calls, scheduling, data entry, and provide operational support. We offer a comprehens...
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United States , Wayzata
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Robert Half
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Sr. Legal Administrative Assistant
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Join a Melville law firm as a Senior Legal Administrative Assistant. This role requires 3+ years in Labor & Employment Law or Litigation, with proficiency in NetDocs and Westlaw. You will manage filings, discovery, and calendars in a fast-paced, collaborative team. The position offers full benefi...
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United States , Melville
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Robert Half
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Administrative Assistant
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Join our team in Carmichael as an Administrative Assistant. This role supports business operations, accounts, payroll, and HR functions. We seek an organized individual proficient in Microsoft Office. We offer competitive pay, comprehensive benefits, and career growth opportunities.
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United States , Carmichael
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19.00 - 22.80 USD / Hour
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Atria Senior Living
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Senior Administrative Assistant
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Join our team in Princeton, NJ, as a Senior Administrative Assistant. This contract role requires a proactive professional skilled in calendar management, travel coordination, and administrative support. You will ensure smooth operations by handling correspondence, calls, and logistics. We offer ...
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United States , Princeton
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Robert Half
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Senior Administrative Assistant
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Seeking a Senior Administrative Assistant to provide exceptional support to executives in New York. This role requires 3+ years of experience, proficiency in Concur and Slack, and strong multitasking skills in a fast-paced financial environment. You will manage complex calendars, travel, and expe...
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United States , New York
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Robert Half
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Administrative Assistant – Culinary
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Join our culinary team as an Administrative Assistant in Orlando. You will manage reservations, guest inquiries, and office systems using various software. This role offers flexible shifts, training, and a focus on well-being in a luxury environment. Utilize your organizational skills to support ...
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United States , Orlando
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23.00 USD / Hour
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Marriott Bonvoy
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Administrative Assistant II
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Join our team as an Administrative Assistant II supporting the Office for Civil Rights (OCR) in Washington, DC. This role requires excellent organizational skills, proficiency in Microsoft Office, and the ability to handle confidential information. You will manage communications, schedules, and r...
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United States , Washington, DC
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21.68 - 23.25 USD / Hour
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Chickasaw Nation Industries, Inc (CNI)
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Administrative Assistant
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Join our team as a Temporary Administrative Assistant supporting Human Resources in Idaho Falls. This key role involves clerical duties, maintaining confidential employee files, and assisting with recruitment and compliance. The position requires a high school diploma, secretarial training, and t...
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United States , Idaho Falls
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17.54 USD / Hour
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Bonneville County
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Litigation Legal Administrative Assistant
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Join a premier Denver boutique law firm as a Litigation Legal Administrative Assistant. Support attorneys in a fast-paced environment with complex tasks like e-filing, calendaring, and document preparation. This role requires 3+ years of litigation experience and offers excellent pay, benefits, a...
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United States , Denver
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Robert Half
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Phlebotomist / Administrative Assistant
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Join our San Francisco team 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 check-in to lab processing. Enjoy comprehensi...
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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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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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Not provided
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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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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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