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Senior Administrator Jobs (On-site work)

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Senior Enterprise Applications Engineer - Atlassian Administrator
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Join Adyen in Amsterdam as a Senior Enterprise Applications Engineer, specializing in Atlassian administration. You will design, scale, and optimize our global SaaS ecosystem, with a strong focus on Jira and Confluence. Leverage your Python automation skills to build secure, efficient solutions t...
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Netherlands , Amsterdam
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Adyen
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Senior Administrative Assistant
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United States , Princeton
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Robert Half
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Senior Administrative Assistant
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United States , Orlando
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Marriott Bonvoy
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Senior Administrator
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United Kingdom , Cheadle
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30000.00 - 32000.00 GBP / Year
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Platinum Recruitment Group Ltd
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Senior Administrator
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United Kingdom , Grimsby
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Wilkin Chapman Solicitor
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Senior Administrative Assistant
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Seeking a Senior Administrative Assistant in Louisville to provide high-level executive support. This key role requires 3+ years of experience, expertise in calendar management, and strong organizational skills. You will coordinate communications, oversee operations, and assist with budget tracki...
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United States , Louisville
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Robert Half
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Senior Administrator
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Join our Private Wealth team in Jersey as a Senior Administrator. You will independently manage a diverse client portfolio, handling company administration, transactions, and statutory filings. Ideal candidates have 4-6 years' finance experience, strong communication skills, and knowledge of View...
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Jersey
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Ogier
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Temporary Senior Administrator
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United Kingdom , Halifax, Holmfield
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13.00 - 13.05 GBP / Hour
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Office Angels
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Senior Contract Administrator
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Lead the commercial strategy and mentor future talent at an award-winning Adelaide builder. This senior role demands 8+ years of Australian construction experience and deep contract mastery. You will safeguard project margins on iconic builds while shaping a culture of excellence. Enjoy a top-tie...
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Australia , Adelaide
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120000.00 - 150000.00 AUD / Year
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Randstad
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Senior Database Administrator
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Lead a critical SQL Server 2022 upgrade project in Brisbane. This senior role requires deep expertise in SQL database administration, ETL processes, and performance optimisation. You will work autonomously on high-level design while enjoying a supportive environment with professional development ...
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Australia , Brisbane
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Randstad
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Senior Accounts Administrator
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Seeking a Senior Accounts Administrator for a permanent part-time role in central Auckland. Provide vital financial and membership support in a close-knit professional organization. Requires 4+ years' experience, advanced Excel skills, and excellent communication. Enjoy a competitive salary, supp...
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New Zealand , Auckland
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Parker Bridge
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Senior Finance & Data Administrator
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Ireland , Dublin
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JLL
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Senior Grant Administrator
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United States , Waltham
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79700.00 - 88800.00 USD / Year
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Brandeis University
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Senior Remedy Database Administrator
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United States , Fort Belvoir
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Chickasaw Nation Industries, Inc (CNI)
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Senior Database Administrator
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United States , Fort Belvoir
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Chickasaw Nation Industries, Inc (CNI)
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Grants Administrator Analyst Senior
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Seeking a Senior Grants Administrator Analyst in Winston Salem to lead Neurology's extramural funding efforts. You will manage the full grant lifecycle, from pre-award proposals to post-award administration. This role requires a Bachelor's degree, 5+ years of experience, and exceptional organizat...
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United States , Winston Salem
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35.50 - 53.25 USD / Hour
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Advocate Aurora Health
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Temporary Senior Administrator
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United Kingdom , Shipley
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15.60 GBP / Hour
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Office Angels
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Senior Team Administrator
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Join a respected, employee-owned brokerage as a Senior Team Administrator in London. Provide crucial support to brokers and executives, managing meetings, travel, and key documents. This role requires exceptional organisation, discretion, and a proactive approach. Enjoy outstanding benefits inclu...
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United Kingdom , London
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40000.00 - 45000.00 GBP / Year
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Office Angels
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Temporary Senior Administrator / Supervisor
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United Kingdom , Glasgow
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14.00 - 15.00 GBP / Hour
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Office Angels
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Senior Analyst - Linux Systems Administration
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Join our global team as a Senior Linux Systems Analyst in Kanata. Provide enterprise-level support in a large-scale, multi-platform environment with 500+ machines. Utilize your 5+ years of Linux expertise to design, automate, and maintain critical infrastructure. This role includes a 24/7 support...
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Canada , Kanata
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Aptiv plc
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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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