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Senior Administrator Jobs

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Senior Administration Officer
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Seeking a Senior Administration Officer in Liverpool to lead systems management for a key pilot scheme's expansion. You will develop referral processes, automate reporting, and analyze effectiveness data. This hybrid role requires strong MS Office skills, data tracking experience, and excellent c...
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United Kingdom , Liverpool
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13.51 GBP / Hour
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Brook-St Hiredonline
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Senior Database Administrator
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Lead a team as a Senior Database Administrator in Hyderabad, leveraging 8+ years of expertise in Oracle, MS SQL Server, and open-source databases. Ensure performance, security, and SLA compliance while providing critical L3/L4 support. This senior role demands strong leadership, customer communic...
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India , Hyderabad
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Not provided
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NTT DATA
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Senior Stock Plan Administrator
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Seeking a Senior Stock Plan Administrator to manage global equity programs end-to-end. This critical San Francisco/New York/Portland-based role requires 5+ years' experience, deep ASC 718/409A knowledge, and platform expertise (e.g., Carta). You'll ensure compliance, lead system migrations, and p...
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United States , San Francisco; New York; Portland
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138800.00 - 192800.00 USD / Year
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Mercury
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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 DevOps Systems Administrator
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Seeking a Senior DevOps Systems Administrator to shape platform architecture in a hybrid cloud environment. This hands-on role requires strong AWS, Terraform, and Kubernetes expertise to drive automation and reliability. Enjoy a hybrid UK model with benefits like private medical cover and strong ...
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United Kingdom
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65000.00 GBP / Year
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Dynamic Search Solutions
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Senior Financial Services Administrator
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Join a Belfast team as a Senior Financial Services Administrator. This role requires 3+ years' IFA or wealth management experience and strong compliance knowledge. You will support advisers, manage client transactions, and ensure exceptional service delivery.
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United Kingdom , County Antrim
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Brook-St Hiredonline
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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 Administrative Associate
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Join a leading Boston medical institution as a temporary Senior Administrative Associate. This 3-6 month, onsite role supports a specialized clinical department, requiring 3+ years of admin experience. You will manage financial reconciliation, sensitive records, and program coordination in a fast...
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United States , Boston
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24.00 - 28.00 USD / Hour
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Beacon Hill
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Senior Systems Administrator
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Join Geonetric as a Senior Systems Administrator in Cedar Rapids. You will manage and improve critical IT systems including Office 365, SaaS apps, and hybrid AAD/Entra ID environments. This role requires 5+ years of experience, proficiency in desktop support, and expertise in Active Directory and...
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United States , Cedar Rapids
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Geonetric
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Senior Quality Training Administrator
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Seeking a Senior Quality Training Administrator in Pleasant Prairie, USA. You will design and lead quality training programs, ensuring compliance with standards like ISO and IPC-A-610. Requires 4+ years' experience, expertise in quality systems, and strong facilitation skills. Must be a US Citize...
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United States , Pleasant Prairie
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Sanmina
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Senior Group Risk Administrator
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Seeking a Senior Group Risk Administrator for a leading London financial planning firm. This role requires 3-5 years' group risk experience and strong knowledge of products like Group Life and Income Protection. You will manage schemes, ensure FCA compliance, and provide excellent client service....
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United Kingdom , London
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40000.00 - 43000.00 GBP / Year
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Office Angels
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Senior Administrative Assistant
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Seeking a highly organized Senior Administrative Assistant for a contract-to-hire role in Columbus, Ohio. You will manage front office operations, coordinate meetings, and handle critical documentation. This role offers comprehensive benefits and requires proven skills in administrative support a...
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United States , Columbus
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Robert Half
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System Administrator, Senior
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Seeking a Senior System Administrator in Columbia, MD, to design and maintain critical Cross Domain Solutions. Requires TS/SCI clearance, 5+ years' experience with Linux (RHEL/CentOS), VMware, and networking. This role offers competitive benefits and the chance to support vital national cybersecu...
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United States , Columbia
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77600.00 - 176000.00 USD / Year
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Booz Allen Hamilton
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Senior Systems Administrator
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Seeking a Senior Systems Administrator in Annapolis Junction to manage and maintain critical IT infrastructure. This role involves troubleshooting, system monitoring, and resolving issues across client/server/storage/network devices. Requires 15 years of SA experience and expertise in both UNIX a...
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United States , Annapolis Junction
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2HB
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Senior Administrative Specialist
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Seeking a Senior Administrative Specialist in San Antonio, TX, supporting critical cyber systems. This role requires an active Top Secret clearance and 5+ years of DoD administrative experience. You will provide direct staff support to senior leadership, ensuring mission success. We offer competi...
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United States , San Antonio, Texas
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Astrion
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Senior Payroll Administrator
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Seeking a Senior Payroll Administrator for a key role in Uckfield. You will manage end-to-end UK payrolls, ensure HMRC compliance, and act as a senior client contact. Ideal candidates have bureau experience, strong knowledge of UK legislation, and proficiency with payroll software. This hands-on ...
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United Kingdom , Uckfield
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Sumer Law
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Senior Linux Systems Administrator/ SRE
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Join our team in Copenhagen as a Senior Linux Systems Administrator/SRE. You will ensure system reliability and performance using your expertise in Linux, Ansible, and the Grafana LGTM stack. We offer a competitive salary, pension, and a flexible hybrid work model. This role is ideal for an autom...
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Denmark , Copenhagen
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Keepit
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Senior Database Administrator
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Seeking a Senior Database Administrator with an active SECRET clearance in Ottawa. This role involves managing enterprise Oracle and SQL Server databases across on-prem and Azure cloud environments. You will perform installation, security, performance tuning, and complex troubleshooting. Requires...
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Canada , Ottawa
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Myticas Consulting
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Senior Database Administrator
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Seeking a Senior Database Administrator in Pretoria to manage and optimize enterprise Microsoft SQL Server environments. You will ensure performance, availability, and security through tuning, backups, and high-availability solutions. This role requires strong hands-on experience, relevant certif...
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South Africa , Pretoria
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Overture Rede
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Senior Database Administrator
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Seeking a Senior Database Administrator with Top Secret clearance for a role at Fort Belvoir. You will manage MS SQL Server infrastructure, including clustering and replication, ensuring performance and security. This position requires MCSA and Security+ certifications and offers robust benefits ...
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United States , Fort Belvoir
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Not provided
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Chickasaw Nation Industries, Inc (CNI)
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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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