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Senior Administrator Jobs (On-site work)

136 Job Offers

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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 Data Warehouse Administrator
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Join our team in Pune as a Senior Data Warehouse Administrator. You will architect and optimize large-scale data platforms, leveraging modern tools like Apache Iceberg and CDC. Your expertise in SQL tuning, data modeling, and pipeline management will be key. We seek a professional with 5-8 years ...
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India , Pune
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Not provided
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FloQast
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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 Administrator
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Join a dynamic small business in Cheadle as a Senior Administrator. Provide crucial PA and office management support to a driven CEO and her team. This varied role demands initiative, experience, and a hands-on approach. Enjoy benefits including life insurance, a taste card, and 23 days holiday.
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United Kingdom , Cheadle
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32000.00 - 35000.00 GBP / Year
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Platinum Recruitment Group Ltd
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Senior Office Administrator
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Join Wilton Carpets, a prestigious UK carpet manufacturer, as a Senior Office Administrator in Salisbury. You will ensure the smooth running of the sales office, processing orders and liaising with production. This role requires proven admin experience, strong organisation, and excellent communic...
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United Kingdom , Salisbury
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30000.00 - 35000.00 GBP / Year
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Pure Human Resources
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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 Associate Corporate Card Administration
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Join Amgen's global finance team in Hyderabad as a Senior Associate for Corporate Card Administration. Utilize your 3+ years of financial operations experience to manage card programs and provide exceptional customer service. You will ensure process accuracy, resolve queries, and support internal...
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India , Hyderabad
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Not provided
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Amgen
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Senior System Administrator
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Join our team as a Senior System Administrator in Saint-Augustin-de-Desmaures. Leverage your 10+ years of expertise in Azure, AWS, Windows Server, and Entra/AD to manage complex physical, virtual, and cloud infrastructures. You will play a strategic advisory role, ensuring system performance, sec...
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Canada , Saint-Augustin-de-Desmaures
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Not provided
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Biscuits Leclerc Ltd
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Temporary Senior Administrator
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Join a friendly academy finance team in Bradford as a Temporary Senior Administrator. Support during a busy period by processing invoices, expenses, and managing data entry. Requires accounts experience, strong organization, and IT literacy. Benefits include weekly pay, 28 days leave, and access ...
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United Kingdom , Bradford
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13.50 - 14.00 GBP / Hour
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Office Angels
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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 Support Administrator
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Join NTT DATA as a Senior Support Administrator in Petaling Jaya. This full-time, on-site role requires 2+ years' experience, advanced MS Office skills, and exceptional organization. Provide vital administrative support in a collaborative, global Top Employer environment that values growth and in...
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Malaysia , Petaling Jaya
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Not provided
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NTT DATA
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Senior Contracts Administrator
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Join our Nottingham team as a Senior Contracts Administrator. Provide vital support to Contract Management and Engineering teams, utilizing your CRM and MS Office expertise. This fast-paced role requires excellent attention to detail and organizational skills. Enjoy benefits like holiday accrual,...
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United Kingdom , Nottingham
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Not provided
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360 Resourcing Solutions
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Senior Administrator - Professional Services
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Join our Leeds team as a Senior Administrator in Professional Services. You will deliver exceptional administrative support, from document production and client onboarding to event coordination. The role requires strong MS Office skills, attention to detail, and a proactive approach. Benefits inc...
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United Kingdom , Leeds
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28000.00 GBP / Year
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Office Angels
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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 Administrator
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Join a forward-thinking legal team in Exeter as a Senior Administrator. Utilize your strong organizational skills and attention to detail to provide comprehensive legal support and conduct research. Enjoy a vibrant workplace culture, private medical cover, and 25 days holiday plus bank holidays.
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United Kingdom , Exeter
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35000.00 GBP / Year
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Office Angels
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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 Contracts Administrator
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Seeking a Senior Contracts Administrator in Nottingham to support our Contract Management and Engineering teams. This role requires proven senior-level experience, proficiency with CRM software, and excellent attention to detail. You will handle contract reviews, renegotiations, and client commun...
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United Kingdom , Nottingham
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Not provided
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360 Resourcing Solutions
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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 Linux System Administrator - Support Engineer
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Join our Canberra-based team as a Senior Linux System Administrator - Support Engineer. You will design, maintain, and optimize mission-critical Linux infrastructure and HPC clusters, ensuring high availability and performance. This on-site role requires 5+ years of Linux/HPC expertise, strong sc...
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Australia , Canberra
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Not provided
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Hewlett Packard Enterprise
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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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Not provided
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Robert Half
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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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