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Senior Administrator Jobs (On-site work)

145 Job Offers

Senior Administrator, Payroll
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Senior Payroll Administrator needed in Duluth, US. Audit multi-jurisdictional payroll data, correct pay errors, and provide expert customer service. Requires 3-5 years’ experience, strong Microsoft Office skills, and knowledge of HCM systems. Enjoy an employee assistance program and discount whil...
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Location
United States , Duluth
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Salary
19.00 - 23.75 USD / Hour
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Chico's FAS, Inc.
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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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Location
United States , Fort Myers
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Salary
19.00 - 23.75 USD / Hour
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Chico's FAS, Inc.
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Senior Systems Administrator (Linux)
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Senior Systems Administrator (Linux) sought to lead enterprise-level infrastructure for U.S. Navy operations in Waimea. Requires Top Secret clearance, RHCSA, and DoD 8570 IAT II certification. Manage RHEL environments, enforce RMF/NIST 800-53 compliance, and automate tasks using Bash, Python, and...
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Location
United States , Waimea
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Salary
105000.00 - 145000.00 USD / Year
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Amentum
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Senior Administrator
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Senior Administrator role in Central London supporting construction and building services projects. Act as key liaison between internal teams and external contractors, managing documentation, compliance, and scheduling. Requires strong organisational skills, Microsoft Office proficiency, and prev...
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Location
United Kingdom , City Of London
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Salary
15.00 GBP / Hour
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Office Angels
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Senior Administrator
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We are seeking a Senior Administrator for a client in Leith, Edinburgh. This hands-on role requires expertise in managing digital records, compliance systems, and GDPR. You will ensure smooth, compliant operations by maintaining personnel files and shared drives. Enjoy weekly pay, 28 days holiday...
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Location
United Kingdom , Edinburgh
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Salary
18.13 GBP / Hour
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Office Angels
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Senior Administrator / Office Manager
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Senior Administrator / Office Manager needed in Lutterworth for a professional, team-oriented environment. You will support the SMT with audio and copy typing, report production, and meeting coordination. Advanced Excel and Word skills, exceptional attention to detail, and a proactive approach ar...
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Location
United Kingdom , Lutterworth
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Salary
30000.00 - 35000.00 GBP / Year
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Office Angels
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Senior Administrator - Finance Duties
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Senior Administrator – Finance Duties role in Wakefield, offering £18.10/hr for a 13-month maternity cover. Combine senior admin support with finance tasks like reconciliations, payments, and expenses. Ideal for an experienced, organised communicator; finance experience desirable but not essentia...
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Location
United Kingdom , Wakefield
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Salary
18.10 GBP / Hour
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Office Angels
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Senior Administrator, Payroll
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Senior Payroll Administrator needed in Hingham, US to audit multi-system pay data, ensure accurate weekly payroll processing, and resolve complex associate inquiries. Requires 3-5 years multi-jurisdictional payroll experience, advanced Microsoft Office skills, and expertise in HCM systems. Join a...
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Location
United States , Hingham
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Salary
19.00 - 23.75 USD / Hour
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Chico's FAS, Inc.
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Senior Administrator
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Join our dynamic Head Office in Team Valley as a Senior Administrator for a 12-month maternity cover. Provide high-level support to senior leadership, managing schedules, communications, and sensitive data. This role offers fantastic PLC exposure, a supportive environment, and benefits including ...
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Location
United Kingdom , Team Valley, Gateshead
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Salary
Not provided
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360 Resourcing Solutions
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Senior Contract Administrator
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Lead administrative operations and supervise a team in Waltham Forest. This senior role requires proven office management, payroll, and budget control skills. We offer a competitive salary, pension, life insurance, and flexible benefits including wellbeing support.
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Location
United Kingdom , Waltham Forest
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Not provided
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Webrecruit
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Senior Database Administrator
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Join our team as a Senior Database Administrator in Charleston. You will manage and improve databases for maternal and child health projects across the Carolinas. Key duties include REDCap development, data analysis, visualization, and ensuring HIPAA compliance. This role requires a bachelor's de...
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United States , Charleston
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Salary
79600.00 - 143300.00 USD / Year
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MUSC Health
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Senior Systems Administrator
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Join our team as a Senior Systems Administrator in Goleta. You will manage AWS, Microsoft 365, VMware, and Zscaler platforms to ensure secure, scalable infrastructure. We seek an autonomous professional with 4+ years of experience and expertise in cloud services and automation. Enjoy comprehensiv...
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Location
United States , Goleta
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Salary
65000.00 - 85000.00 USD / Year
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Tecolote Research
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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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Not provided
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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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Location
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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Location
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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Location
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 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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Location
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
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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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Location
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 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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Location
United Kingdom , Newcastle Upon Tyne
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Salary
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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Location
United Kingdom , Glenrothes
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Salary
28000.00 - 32000.00 GBP / Year
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Office Angels
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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.