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Senior Administrator Jobs (On-site work)

141 Job Offers

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Senior Administrator
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United Kingdom , Witham
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29000.00 - 32000.00 GBP / Year
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Office Angels
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Senior Business Execution Administrator
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Wells Fargo seeks a Senior Business Execution Administrator in Hyderabad, India. You will support business operations, administer programs, and manage community relations events. This role requires 4+ years of administrative or business support experience. Join a leading financial institution to ...
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India , Hyderabad
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Not provided
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Wells Fargo
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Senior Systems Operations Engineer - PeopleSoft Administrator
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Senior Systems Operations Engineer & PeopleSoft Administrator sought for a Hyderabad-based role. Lead infrastructure management, system availability, and automation. Requires 4+ years of Systems Engineering experience and proven expertise in People Tools upgrades (8.6x+), PUM updates, Oracle patc...
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India , Hyderabad
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Wells Fargo
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Senior Contract Administrator
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Seeking an experienced Senior Contract Administrator for commercial projects in Melbourne, Australia. You will manage the full contract lifecycle, including head contracts, subcontracts, progress claims, and variations. Requires proven Tier 1/2 project experience and deep knowledge of Australian ...
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Australia , Melbourne
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Randstad
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Senior Business Execution Administrator - Total Rewards
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Wells Fargo seeks a Senior Business Execution Administrator for its Total Rewards team in Hyderabad. You will support Executive Compensation, Incentive Design, and Compensation Delivery by administering programs, performing complex data analysis, and ensuring risk controls. Ideal candidates have ...
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India , HYDERABAD
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Wells Fargo
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Senior New Business Administrator
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Senior New Business Administrator sought for a Customer Services team in Castletown, Isle of Man. You will manage high-risk onboarding, conduct enhanced due diligence, and ensure AML/KYC compliance for life assurance products. Requires deep knowledge of offshore regulations, CDD, and FATCA. Benef...
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Isle of Man , Castletown
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International Financial Group Ltd
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Senior Windows Systems Administrator
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Senior Windows Systems Administrator sought to join a university’s Virtualisation Engineering team in Manchester, UK. You will deliver automation for VMware and OpenStack, collaborating with research and development teams. Requires deep expertise in VMware, Linux/Windows Server, scripting (PowerS...
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United Kingdom , Manchester
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47389.00 - 58225.00 GBP / Year
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The University of Manchester
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Senior Systems Administrator
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Senior Systems Administrator needed in Montgomery, AL to support AFLCMC/GBQ’s Agile Support Office. You will provide expert-level administration for Network, Web, and communication systems, optimizing technical baselines across BES programs. Requires a Master’s with 10 years (5 in DoD) or equival...
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United States , Montgomery
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Astrion
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Senior Contracts Administrator
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Australia , Munster
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Adbri Concrete
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Senior Database Administrator
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Senior Database Administrator needed for an 11-month onsite contract in Toronto. You will lead Oracle E-Business Suite upgrades from 19c to 26ai, perform performance tuning in multi-node RAC environments, and deploy Oracle Access Governance. Requires expert-level knowledge of Oracle 26ai, RMAN ba...
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Canada , Toronto
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Not provided
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Randstad
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Senior Network Administrator
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Senior Network Administrator needed for a long-term contract in Portland, Oregon. This role demands deep expertise in Cisco routing, Fortinet firewall administration, and SD-WAN management within complex enterprise environments. You will ensure network stability, security, and performance while s...
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United States , Portland
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Robert Half
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Senior Administrator / Office Manager
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Senior Administrator / Office Manager sought for a professional firm in Lutterworth. You will support the Senior Management Team in a team-oriented environment, handling complex enquiries, reports, and correspondence. Advanced Excel and Word skills are essential, along with experience in Legal, A...
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United Kingdom , Lutterworth
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32000.00 - 35000.00 GBP / Year
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Office Angels
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Senior Systems Administrator
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Senior Systems Administrator needed onsite in Aurora, CO, to support critical Intelligence Community missions. This role requires 10+ years of experience, a TS/SCI with Full Scope Polygraph, and expertise in UNIX/Windows systems. You will provide Tier 1-2 support, optimize system performance, and...
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United States , Aurora
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155000.00 - 175000.00 USD / Year
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Riverstone Enterprise Solutions
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Senior Client Operations Administrator
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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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Temporary FTC Senior Administrator - Finance Duties
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United Kingdom , Wakefield
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18.10 GBP / Hour
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Office Angels
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Senior Application Administrator - Inpatient Pharmacist
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Senior Application Administrator and Inpatient Pharmacist needed in Miramar, FL. Manage and configure the pharmacy application for Memorial Healthcare System, handling end-to-end design, testing, and installation. Requires a Florida Pharmacist License, 5+ years of experience, and strong critical ...
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United States , Miramar
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Memorial Healthcare System
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Senior Sales Operations Administrator
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United States , Indianapolis
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Parking Network B.V.
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Senior Systems Administrator
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Senior Systems Administrator needed for a long-term contract in Fort Mill, SC. Leverage 5+ years of expertise in Active Directory, Microsoft 365, Azure, and Hyper-V/VMware to support 400 users across 22 locations. This onsite role offers hands-on work with Windows Server, SharePoint migrations, a...
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United States , Fort Mill
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Robert Half
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Senior Administrator
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We are seeking a Senior Administrator to provide essential support to our Senior Leadership Team in Bordesley Green. This part-time role blends traditional and digital working, requiring strong organisational skills and discretion. Ideal candidates have PA or EA experience, with confidence in han...
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United Kingdom , Bordesley Green
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Not provided
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360 Resourcing Solutions
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Senior Administrator, Payroll
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Senior Payroll Administrator needed in Fort Myers to lead multi-jurisdictional payroll processing with 3–5 years’ experience. You will audit timekeeping data, resolve pay discrepancies, and deliver exceptional customer service. Requires strong organizational skills, HCM expertise, and IRS tax kno...
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United States , Fort Myers
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19.00 - 23.75 USD / Hour
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Chico's FAS, Inc.
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Until further notice
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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.