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Senior Administrator Jobs

334 Job Offers

Senior Financial Systems Administrator
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Lead the administration and optimization of our global financial consolidation and planning platform. As the subject matter expert, you will enhance reporting, support complex close processes, and deliver scalable solutions using OneStream. This senior role in Southfield offers a competitive bene...
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United States , Southfield
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Not provided
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Robert Half
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Senior Cloud & Identity Administrator
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Join our Cincinnati team as a Senior Cloud & Identity Administrator. You will manage IAM, Entra ID, and Microsoft 365, while securing our multi-cloud infrastructure with tools like Intune and Defender. This role requires 5+ years of M365/Azure expertise and strong PowerShell skills. We offer comp...
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United States , Cincinnati
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Not provided
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Robert Half
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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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Not provided
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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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Salary
26000.00 - 28000.00 GBP / Year
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Office Angels
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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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Not provided
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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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Not provided
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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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Not provided
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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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Salary
118747.00 - 201870.00 USD / Year
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Baesystems
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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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Salary
28000.00 - 30000.00 GBP / Year
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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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Senior Salesforce Administrator
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Join Optimizely in Austin as a Senior Salesforce Administrator. You will ensure our scalable Salesforce instance meets business needs, collaborating with Sales Operations. Requires 3+ years of admin experience, Apex code knowledge, and Salesforce certifications. Design solutions with a "configura...
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United States , Austin
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Not provided
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Optimizely
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Senior Administrator
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Join our team as a Senior Administrator in Wigston, UK. You will be the key administrative contact for customer accounts, ensuring accurate order processing and building strong client relationships. The role requires excellent organisational skills, proficiency in ERP systems, and experience in s...
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United Kingdom , Wigston
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Salary
29000.00 GBP / Year
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Office Angels
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Senior Jira Administrator
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Seeking a Senior GRC Systems Administrator in Hyderabad to configure and optimize our RSA Archer platform. You will build data models, design workflows, and support risk, compliance, and third-party risk processes. This role requires technical expertise in GRC platforms and a strong understanding...
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India , Hyderabad
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Salary
4166.00 - 6300.00 EUR / Month
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Alter Domus
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Senior Compute Cluster Administrator
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Seeking a Senior Compute Cluster Administrator to support AMD Instinct datacenter buildouts in Austin, Santa Clara, or Seattle. You will manage Day Two operations for HPC/AI R&D and production labs, ensuring high availability. The role requires advanced Linux expertise, HPC cluster administration...
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Location
United States , Austin; Santa Clara; Seattle
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Salary
109760.00 - 164640.00 USD / Year
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AMD
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Senior Trust Administrator
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Join a respected Boston wealth management firm as a Senior Trust Administrator. This client-facing role requires extensive expertise in trust administration, estate settlement, and fiduciary services. You will manage complex accounts while ensuring compliance and providing personalized solutions....
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Location
United States , Boston
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Salary
Not provided
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Robert Half
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Senior SIPP/SSAS Administrator
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Join a respected Leicester wealth management firm as a Senior SIPP/SSAS Administrator. You will manage pensions cradle-to-grave, ensuring regulatory compliance and liaising with key stakeholders. This hybrid role offers career progression within a supportive team for an experienced pensions profe...
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United Kingdom , Leicester
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24000.00 - 35000.00 GBP / Year
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IDEX Consulting Ltd
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Senior Windows System Administrator
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Seeking a Senior Windows System Administrator in Los Altos for a hands-on role managing a complex hybrid environment. You will own VDI (VMware Horizon), advanced Active Directory/Group Policy, and PowerShell automation. This position requires translating instructional needs into technical solutio...
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United States , Los Altos
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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.