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Senior Administrator Jobs

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Loan Administration Senior Associate
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Join our London team as a Loan Administration Senior Associate. You will administer and monitor the full lifecycle of loan and guarantee investments, ensuring accuracy and smooth execution. The role requires strong debt product knowledge, experience with systems like eFront, and excellent organis...
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United Kingdom , London
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Not provided
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Orbis Consultants
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Senior Administrative Assistant
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Join Capital One as a Senior Administrative Assistant in McLean or Richmond. Support 4-6 executives in a dynamic, tech-savvy environment, managing complex calendars, travel, and key team events. We seek a proactive problem-solver with 2+ years of admin experience and MS Office/Google Suite profic...
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United States , McLean; Richmond
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73500.00 - 92300.00 USD / Year
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Capital One
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Senior Oracle Database Administrator
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Seeking a Senior Oracle DBA to support mission-critical, high-availability environments in Annapolis Junction. This role requires 10+ years of deep expertise in Oracle RAC, RMAN, Data Guard, and security technologies. Must hold an active Security Clearance with Polygraph. We offer robust benefits...
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United States , Annapolis Junction
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Columbia Technology Partners
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Senior Oracle Database Administrator Engineer
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Seeking a Senior Oracle DBA Engineer for a mission-critical role in Annapolis Junction. This position requires 10+ years of enterprise Oracle experience, including RAC, RMAN, and advanced security tools like Data Guard. U.S. Citizenship and an active Security Clearance with Polygraph are mandator...
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United States , Annapolis Junction
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Columbia Technology Partners
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Senior Accounts Payable Administrator
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Join our team in Chennai as a Senior Accounts Payable Administrator. This role requires an Associate's degree in Accounting/Finance and 3-5 years of AP experience. You will manage invoice processing, payments, and month-end closing using software like JDE or Oracle. We seek a detail-oriented prof...
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India , Chennai
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Not provided
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McDermott
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Senior Administrator
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Join a dynamic team in Leeds as a Senior Administrator. Utilize your expert organisational skills and Microsoft Office proficiency to manage invoicing, diary coordination, and data analysis. This role offers a vibrant work environment where you will ensure seamless operations through excellent co...
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United Kingdom , Leeds
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26000.00 - 28000.00 GBP / Year
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Office Angels
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Senior Analyst - Administrative Assistance
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Seeking a seasoned Senior Analyst for Administrative Assistance in Taguig. Provide high-level executive support, managing complex calendars, travel, and confidential documents. The role requires 7+ years of experience, proficiency in MS Office, and flexibility for hybrid work across global shifts...
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Philippines , Taguig, Metro Manila
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Willis Towers Watson
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Senior Administrative Accountant
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Join our team in Doha as a Senior Administrative Accountant. This role requires 3-5 years of experience, strong IFRS knowledge, and proficiency in accounting software. You will manage financial records, statements, and administrative tasks. We offer a competitive salary, insurance, development pr...
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Qatar , Doha
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QIC digital hub
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Senior Systems Administrator
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Lead mission-critical IT infrastructure as a Senior Systems Administrator in Surprise, AZ. Utilize your expertise in VMware, SAN storage, Linux/Windows servers, and Exchange administration. This role offers technical leadership, automation with PowerShell, and full benefits including medical and ...
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United States , Surprise
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Robert Half
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Senior Windows Server Administrator
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Join our team in Brasov as a Senior Windows Server Administrator for a critical HPC environment. You will ensure high availability and performance of Windows infrastructure supporting CAE/CAT applications. This role requires deep expertise in Windows Server, AD, PowerShell, and experience with Li...
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Romania , Brasov
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Eviden
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Senior Systems Administrator
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Join Barbaricum as a Senior Systems Administrator in Bedford, IN. This role focuses on Windows workstation provisioning, image management, and automated OS deployment in a secure DoD environment. You will design and maintain enterprise deployment solutions using MDT/MECM and PowerShell. An active...
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United States , Bedford
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Barbaricum
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Subcontracts Administrator Senior Principal
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Seeking a Senior Principal Subcontracts Administrator in Westminster, CO. This role requires a TS/SCI clearance and 8+ years' experience to manage complex supplier relationships and strategic procurements for critical programs. You will execute full subcontract lifecycle management, including cos...
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United States , Westminster
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118747.00 - 201870.00 USD / Year
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Baesystems
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Senior Administrator
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Seeking a Senior Administrator for a pivotal role in West End, London. You will support construction/quantity surveying operations, managing HR, timesheets, and multi-site coordination. Requires 5+ years in construction/professional services, strong MS Office skills, and excellent organization. J...
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United Kingdom , West End, London
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40000.00 - 45000.00 GBP / Year
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Office Angels
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Senior Administrator
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Join a dynamic team in Wetherby as a Senior Administrator. You will provide crucial support to management and sales, ensuring smooth office operations. The role requires proficiency in MS Office, Sage, and exceptional organisational skills. Ideal for a detail-oriented professional who excels in a...
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United Kingdom , Wetherby
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28000.00 - 30000.00 GBP / Year
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Office Angels
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Senior Administrator
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Join a dynamic team in Wetherby as a Senior Administrator, providing crucial support to management and sales. Your proficiency in MS Office and Sage will be key for processing orders, managing databases, and coordinating events. This role demands exceptional organisation, customer service skills,...
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United Kingdom , Wetherby
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28000.00 - 30000.00 GBP / Year
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Office Angels
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Senior Office Administrator
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Seeking a dynamic Senior Office Administrator for a temporary role in Newcastle. You will manage reception, office supplies, health & safety, and support cross-departmental coordination. The role requires strong organisation, Microsoft Office skills, and initiative. Benefits include high street d...
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United Kingdom , Newcastle Upon Tyne
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13.70 GBP / Hour
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Office Angels
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Senior Administrator (Projects)
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Join our team in Glenrothes as a Senior Project Administrator. You will coordinate global logistics, workforce planning, and personnel deployment for key projects. We seek an organised, proactive professional with strong experience in operations and planning systems. Enjoy a central, impactful ro...
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United Kingdom , Glenrothes
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28000.00 - 32000.00 GBP / Year
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Office Angels
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Bilingual Senior Administrative Assistant
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Join our team as a Bilingual Senior Administrative Assistant in Bethesda. Utilize your fluency in English and Spanish to support executives and coordinate global communications. This role requires 3+ years of experience, strong writing skills, and offers comprehensive benefits.
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United States , Bethesda
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Not provided
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Robert Half
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Bilingual Senior Administrative Assistant
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Seeking a fluent English/Spanish Senior Administrative Assistant in Rockville. Provide advanced support to executives, manage bilingual communications, and assist with grant reporting. Ideal candidates have 3+ years of experience, preferably in an NGO or international setting. We offer comprehens...
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United States , Rockville
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Not provided
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Robert Half
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Senior Administrative Assistant
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Join a leading biotech firm in San Diego as a Senior Administrative Assistant. Provide high-level support to executives, managing complex calendars, travel, and confidential documents. Requires 3+ years' experience supporting leadership, proficiency in MS Office, and superb organizational skills....
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United States , San Diego
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Not provided
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Robert Half
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About the Senior Administrator role

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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