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Senior Administrator Jobs

333 Job Offers

New Business Senior Administrator
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Isle of Man , Douglas
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Capital International
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Office Manager / Senior Administrator
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United Kingdom , London
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30000.00 - 32000.00 GBP / Year
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Office Angels
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Senior Administrator
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Senior Administrator role in Newcastle Upon Tyne, UK. Seeking proven experience in senior administrative support, email management, and project coordination. Must possess advanced organisational skills, attention to detail, and knowledge of ISO standards. Benefits include discount vouchers, eye c...
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United Kingdom , Newcastle Upon Tyne
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14.35 - 16.41 GBP / Hour
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Office Angels
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It Senior System Administrator
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Seeking an experienced **IT Senior System Administrator** in Newkirk, OK to ensure the integrity and availability of critical casino systems. This role requires 6+ years of experience in systems administration, expertise in VMware, Active Directory, and security monitoring. You will manage server...
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United States , Newkirk
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7 Clans Casinos
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Senior SAP Basis Administrator
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Senior SAP Basis Administrator sought by Vattenfall to lead international SAP landscapes in cloud and on-premise environments. Based in Katowice, Poland, this role requires expertise in SAP architecture, HANA database administration, and ISMS-compliant operations. You will manage system upgrades,...
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Poland , Katowice
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Vattenfall
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Senior Pensions Administrator
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United Kingdom , Sheffield
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40000.00 - 42000.00 GBP / Year
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Office Angels
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Senior Database Administrator
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Senior Database Administrator needed in Naperville, IL for a contract role optimizing enterprise data environments. Leverage 10+ years of deep expertise in SQL Server, PostgreSQL, and AWS platforms (RDS, Aurora, Redshift) to drive performance, scalability, and modernization. Responsibilities incl...
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United States , Naperville
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Robert Half
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Senior Operations Administrator (Facility Management)
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Senior Operations Administrator (Facility Management) role in Kuala Lumpur, Malaysia. Seeking a detail-oriented professional with 2-3 years of administrative experience and strong Microsoft Office skills. Key duties include maintenance admin, cost control, compliance tracking, and stakeholder lia...
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Malaysia , Kuala Lumpur
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5000.00 - 6000.00 MYR / Month
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Randstad
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Senior Associate Database Administrator
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Seeking a **Senior Associate Database Administrator** in **Mumbai, India** to ensure the availability and performance of critical data assets. This role requires developing proficiency in **SQL**, database installation, configuration, and backup/recovery strategies. You will collaborate with cros...
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India , Mumbai
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NTT DATA
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Senior Systems Administrator
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Senior Systems Administrator needed in Phoenix to oversee mission-critical IT systems, including servers, virtualization, and cloud technologies. Requires 5+ years of progressive experience, an Associate’s degree, and a valid Arizona Driver’s License. Key duties include managing Active Directory,...
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United States , Phoenix
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Robert Half
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Senior Administrator
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Seeking a **Senior Administrator** for a temporary role on the outskirts of **Newcastle City Centre**. This full-time position offers a salary of **£28,000-£32,000** and requires proven experience in **project support**, **email management**, and **ISO standards**. You will oversee daily operatio...
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United Kingdom , Newcastle Upon Tyne
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14.35 - 16.41 GBP / Hour
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Office Angels
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Senior Salesforce Developer / Administrator
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Senior Salesforce Developer / Administrator needed in Los Angeles, CA. This role demands 8+ years of hands-on experience with Apex, Lightning Web Components, and Marketing Cloud. You will lead Salesforce Classic to Lightning migration, build custom LWC, and manage platform upgrades. Enjoy medical...
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United States , Los Angeles
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Intratek Computer, Inc.
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Senior Client Operations Administrator
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Senior Client Operations Administrator role in Wellington, UK, with a growing Financial Services firm. You will manage client enquiries, coordinate meetings, and process documentation, requiring strong administrative and CRM skills. Essential experience in financial services client support or ope...
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United Kingdom , Wellington
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35000.00 - 40000.00 GBP / Year
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Office Angels
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Senior IT Administrator
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Senior IT Administrator needed in North Little Rock, AR to lead cloud and hybrid infrastructure, security, and end-user support. Requires 3+ years of experience with Microsoft Entra ID, Intune, M365, and Windows Server. Oversee identity access, device management, and security operations. Benefits...
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United States , North Little Rock
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Robert Half
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Senior Salesforce Administrator
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Senior Salesforce Administrator sought to lead CRM optimization, system integrations, and workflow automation in London or Madrid. Requires 6+ years’ experience with Sales Cloud, Flows, and data governance. Drive platform adoption across sales and marketing teams. Benefits include flexible holida...
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United Kingdom; Spain , London; Madrid
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Alter Domus
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Senior Administrator
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Seeking a proactive **Senior Administrator** for a temporary role in **Dunfermline**, supporting an Asset team during a transition. You will coordinate property contracts, schedules, and communications with contractors and tenants. Requires strong organisational skills, attention to detail, and a...
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United Kingdom , Dunfermline
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15.96 GBP / Hour
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Office Angels
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Senior IT Support Administrator
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Senior IT Support Administrator needed in San Diego to deliver top-tier end-user support in a 100% cloud environment. This role requires 3+ years of experience, ITIL proficiency (Freshservice), and skills in Azure AD, Google Workspace, JAMF, and PowerShell. You will manage A/V systems, permission...
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United States , San Diego
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61200.00 - 84100.00 USD / Year
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Seismic
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Senior System Administrator II [Ceph Engineer]
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Senior System Administrator II (Ceph Engineer) needed in Bengaluru to design and manage enterprise storage infrastructure. You will architect scalable solutions using Ceph, Purestorage, and NetApp while automating provisioning with Python and Ansible. This role demands 5+ years of Linux admin exp...
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India , Bengaluru
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Adyen
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Senior System Administrator II [Storage Engineer]
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Senior System Administrator II (Storage Engineer) role in Bengaluru, India. You will design, implement, and manage enterprise storage systems (Ceph, Purestorage, NetApp) within a Platform Engineering team. Requires 5+ years of Linux admin experience, deep knowledge of RAID, NFS, iSCSI, and script...
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India , Bengaluru
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Adyen
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Senior Contracts Administrator
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Senior Contracts Administrator sought by Everlaw to lead public sector contract excellence in Washington, D.C. Leverage 5+ years of FAR and SLED expertise to manage FED and SLED contracts, GSA vehicles, and compliance. This customer-facing role requires deep knowledge of government contracting fo...
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United States , Washington D.C.
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141000.00 - 179000.00 USD / Year
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Everlaw
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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.