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Senior Administrator United States Jobs (On-site work)

53 Job Offers

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Senior Database Administrator
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Seeking a Senior Database Administrator with an active TS clearance for a role at Fort Belvoir. You will manage MS SQL Server infrastructure, including clustering and replication, ensuring performance and security. This position requires MCSA: SQL Server and Security+ certifications, offering com...
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United States , Fort Belvoir
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Not provided
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Chickasaw Nation Industries, Inc (CNI)
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Senior Remedy Database Administrator
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Seeking a Senior Remedy Database Administrator with an active Top Secret clearance for a role at Fort Belvoir. You will provide expert administration, ensuring performance, integrity, and security across all environments. This position requires MCSA: SQL Server and Security+ certifications, and o...
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United States , Fort Belvoir
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Chickasaw Nation Industries, Inc (CNI)
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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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Not provided
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Robert Half
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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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Robert Half
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Senior Database Administrator
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Seeking a Senior Database Administrator in Dallas to manage enterprise databases and lead SharePoint Training Library development. Requires expertise in SharePoint, Power Automate, and data governance, plus strong analytical skills. Enjoy benefits like medical, dental, and 401(k) while ensuring s...
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United States , Dallas
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50.00 - 60.00 USD / Hour
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Solomon Page
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Senior Credit Administrator
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Lead credit and collections for a growing Sacramento distribution company. This senior role requires 5+ years of B2B credit, AR, and team leadership experience. You will manage risk, oversee billing, and ensure accurate accounting functions. Benefits include comprehensive insurance and a 401(k) p...
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United States , Sacramento
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Robert Half
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Senior Sales Administrator
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Join a global pump manufacturing leader as a Senior Sales Administrator in North Charleston. This long-term contract role requires 4+ years of sales support experience and 2+ years with SAP/ERP systems. You will provide vital administrative support, manage sales quotes, and utilize CRM tools. We ...
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United States , North Charleston
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Robert Half
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Senior Network Administrator
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Lead and optimize enterprise network infrastructure as a Senior Network Administrator in Salem, Oregon. This role requires 5+ years' expertise with Cisco ecosystems, firewalls, and complex LAN/WAN management. You will ensure security, troubleshoot issues, and mentor a team while enjoying competit...
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United States , Salem
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95000.00 - 105000.00 USD / Year
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Robert Half
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Database Administrator - Senior
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Join AnaVation as a Senior Database Administrator in Washington, DC. You will manage and optimize SQL Server environments, focusing on performance tuning, high availability, and security. This role requires deep DBA expertise, experience with Apache NiFi for data automation, and Windows Server ad...
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United States , Washington, DC
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AnaVation
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Senior Linux Systems Administrator
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Seeking a Senior Linux Systems Administrator with an active Secret Clearance to support premier defense research in Lexington. This role requires 5+ years in Linux networking, scripting (Python/Ansible/Bash), and systems configuration. You will administer RHEL servers, optimize performance, and e...
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United States , Lexington
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Aquila Technology
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Senior Developer and Administrator
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Seeking a Senior OnBase Developer & Administrator in Columbus/Mason, Ohio. Design and administer OnBase solutions, leveraging 5+ years of CMS experience with on-premise and cloud implementations. Requires strong skills in C#, VB.NET, or Java for workflow customization and integration. Enjoy a fle...
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United States , Columbus, Ohio / Mason, Ohio
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90000.00 - 120000.00 USD / Year
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DigiTech Partners
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Senior Systems Administrator
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Seeking a Senior Systems Administrator with an active TS/SCI clearance for a role in El Segundo. Manage and secure Windows servers/workstations in a classified environment, ensuring compliance and system integrity. This role offers company-paid benefits, a 401(k) with 6% company contribution, and...
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United States , El Segundo
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120000.00 - 150000.00 USD / Year
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ExoAnalytic Solutions
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Senior Systems Administrator
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Lead automation and modernization efforts as a Senior Systems Administrator in Annapolis Junction. This mission-critical role requires 10+ years of Linux/Ansible expertise and an active TS/SCI with Polygraph. You'll optimize secure IT systems, drive PKI/OCSP initiatives, and enjoy top-tier benefi...
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United States , Annapolis Junction
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150000.00 - 250000.00 USD / Year
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LufCo
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Senior Project Administrative Manager
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Join T5 Data Centers as a Senior Project Administrative Manager in Atlanta. Support large-scale data center construction by managing documentation, contracts, and financials. Requires 5+ years in construction admin and proficiency with tools like Procore. Be the critical operational partner for o...
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United States , Atlanta
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Not provided
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T5 Data Centers
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Senior Systems Administrator
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Join Naughty Dog's IT team as a Senior Systems Administrator in Santa Monica. You will be the primary expert for our Windows/Linux infrastructure and core systems, supporting game development. Requires 10+ years in studio environments, expertise in Windows Server, Ubuntu, and deployment tools. Th...
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United States , Santa Monica
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149000.00 - 187200.00 USD / Year
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Naughty Dog
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Senior Network and Systems Administrator
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Seeking a Senior Network and Systems Administrator for a critical role at USSOCOM HQ on MacDill AFB, FL. This position requires 7+ years of network design/support experience, active Secret clearance, and IAT certification. You will manage secure LAN systems, ensure DISA compliance, and perform ke...
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United States , MacDill AFB, FL
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Not provided
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Delta Solutions & Strategies
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Senior Administrative Assistant
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Seeking a Senior Administrative Assistant to support executive leadership at a Honolulu financial services firm. This role requires expert proficiency in Microsoft Office, exceptional organizational skills, and experience handling confidential information. The position offers a comprehensive bene...
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United States , Honolulu
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Not provided
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Robert Half
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Senior Administrative Assistant
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Provide high-level executive support in a fast-paced Manhattan office. This senior role requires exceptional organizational skills, confidentiality, and 3-6+ years of experience. Enjoy top benefits including 100% paid medical, generous PTO, 401(k), and bonus potential.
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United States , New York
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85000.00 - 90000.00 USD / Year
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Beacon Hill
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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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Senior Administrative Associate
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Join a leading Boston medical institution in this temporary Senior Administrative Associate role. Support a specialized clinical department with financial reconciliation, data management, and confidential recordkeeping. This onsite position requires 3+ years of admin experience, ideally in health...
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United States , Boston
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24.00 - 28.00 USD / Hour
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Beacon Hill
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Senior Administrator jobs represent a critical tier of professional management and technical oversight within an organization. These roles are designed for experienced individuals who move beyond foundational tasks to assume responsibility for complex systems, strategic processes, and often, the mentorship of junior staff. A Senior Administrator acts as a cornerstone of operational stability, ensuring that the specific domain they oversee—whether technological, financial, or operational—functions securely, efficiently, and in alignment with broader business objectives. The core of the profession involves a blend of deep technical or procedural expertise and advanced organizational leadership. Common responsibilities across various specializations include designing, implementing, and maintaining critical systems or processes; performing high-level troubleshooting and problem-solving for complex issues; and ensuring compliance with industry regulations and security protocols. Senior Administrators are typically tasked with ongoing optimization, conducting regular reviews and updates to enhance performance and reliability. They also play a key role in planning for future needs, managing upgrades, and contributing to strategic projects. Documentation, policy creation, and knowledge sharing are fundamental aspects of the role, as is providing training and guidance to other team members. The skill set required for Senior Administrator jobs is both broad and deep. Employers universally seek candidates with several years of proven experience in their specific field, demonstrating a progression from junior to expert-level understanding. Technical proficiency with relevant platforms, software, or industry-specific tools is mandatory. Equally important are strong analytical and problem-solving abilities to diagnose and resolve intricate challenges. Senior roles demand excellent communication skills for liaising with stakeholders, vendors, and team members, and often require the ability to translate technical details into business impacts. Leadership qualities, such as project management, team mentorship, and a proactive approach to process improvement, are common differentiators. A keen attention to detail, a commitment to maintaining confidentiality and security, and the ability to work under pressure to meet deadlines are standard expectations across all senior administration jobs. Ultimately, professionals in these positions are the trusted experts who ensure vital organizational infrastructure—be it IT networks, employee benefits schemes, or enterprise software environments—remains robust and responsive. They bridge the gap between high-level strategy and daily execution, making them indispensable assets in any sector. For those seeking a career marked by responsibility, expertise, and impact, exploring Senior Administrator jobs offers a pathway to a pivotal and respected professional role.

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