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Senior Administrator Jobs

334 Job Offers

Senior Systems Administrator
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United States , Wilmington
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Not provided
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Robert Half
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Senior Application Administrator, Public Safety Applications
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United States
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Brown University
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Senior IT Systems Administrator
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United States , Juno Beach
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Robert Half
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Senior Sales Administrator
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Join a growing technology business as a Senior Sales Administrator in Woking. Provide crucial support to the sales team, managing CRM data, order processing, and customer enquiries. This office-based role requires strong organisational skills, CRM proficiency, and offers a supportive team environ...
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United Kingdom , Woking
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30000.00 - 35000.00 GBP / Year
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Social Value Portal Ltd
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Senior Payroll Administrator
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Join a leading company as a Senior Payroll Administrator in Luton. This hybrid role (3 days office/2 home) involves end-to-end processing of high-volume weekly & monthly payrolls. We seek an expert with iTrent experience, strong legislative knowledge, and meticulous attention to detail. Initial 6...
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United Kingdom , Luton
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35000.00 GBP / Year
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T2M Resourcing
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Senior Database Administrator
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Seeking a Senior Database Administrator with an active TS 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: SQL Server and Security+ certifications, offering com...
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United States , Fort Belvoir
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Chickasaw Nation Industries, Inc (CNI)
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Senior Remedy Database Administrator
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Seeking a Senior Remedy Database Administrator with an active Top Secret clearance for a role at Fort Belvoir. You will provide expert administration, ensuring performance, integrity, and security across all environments. This position requires MCSA: SQL Server and Security+ certifications, and o...
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United States , Fort Belvoir
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Chickasaw Nation Industries, Inc (CNI)
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Temporary to Permanent Senior Administrator
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Join a well-established family business in Bridgwater as a Senior Administrator. This temp-to-perm role requires strong Sage/Xero skills for sales ledger duties and administrative support. Enjoy weekly pay, retail discounts, and a supportive team environment in this key operational position.
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United Kingdom , Bridgwater
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29000.00 - 32000.00 GBP / Year
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Office Angels
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Senior Administrator
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Join STERIS in Westport as a Senior Administrator, supporting our plant team with key secretarial and administrative duties. This role requires strong communication skills, proficiency in MS Office, and the ability to work independently. You will lead continuous improvement initiatives and help c...
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Ireland , Westport
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STERIS
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Senior Database Administrator (MariaDB)
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Join our international team in Katowice as a Senior MariaDB Database Administrator. You will ensure secure, high-performance database environments, handling migrations, automation, and complex troubleshooting. We seek an expert in scalable MariaDB/MySQL with strong English skills. Enjoy comprehen...
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Poland , Katowice
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Sopra Steria
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Senior Database Administrator
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Seeking a Senior Database Administrator in Dallas to manage enterprise databases and lead SharePoint Training Library development. Requires expertise in SharePoint, Power Automate, and data governance, plus strong analytical skills. Enjoy benefits like medical, dental, and 401(k) while ensuring s...
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United States , Dallas
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50.00 - 60.00 USD / Hour
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Solomon Page
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Senior Adobe Cloud Platform Administrator
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Seeking a Senior Adobe Cloud Platform Administrator for a 6-month contract-to-hire role. This 100% remote position requires 5+ years of enterprise experience managing the Adobe Admin Console, SSO/SAML, and SCIM integrations. You will lead initiatives to mature provisioning, access models, and gov...
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United States , St Louis
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Zeektek
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Senior PostgreSQL Database Administrator
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Join Paymentology as a Senior PostgreSQL DBA to lead our global data platform strategy. You will ensure performance, security, and scalability across AWS RDS, Aurora, and Redshift. This role requires 7+ years of advanced PostgreSQL expertise, including tuning, automation, and disaster recovery. D...
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Paymentology
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Senior School Administrator
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Join a professional team in Manchester as a Senior School Administrator. This key role requires proven administrative experience, strong organisational skills, and proficiency in MS Office. You will manage student records, provide top-tier customer service, and support the senior leadership team....
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United Kingdom , Manchester
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13.34 - 14.26 GBP / Hour
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Office Angels
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Senior Administrator
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Join our dynamic team in Bradford as a Sales Administrator for a maternity cover. This role requires strong administrative skills, proficiency in MS Office, and excellent customer service. You'll ensure smooth order processing, manage CRM data, and support the sales team. Enjoy a supportive envir...
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United Kingdom , Bradford
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24000.00 - 26000.00 GBP / Month
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Office Angels
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Senior Team Administrator / Office Manager
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Seeking a proactive Senior Team Administrator / Office Manager in Guildford. You'll be the welcoming first point of contact, ensuring smooth daily operations, managing supplies, and supporting Executive Board members. This role requires strong organisation, a customer-focused mindset, and resilie...
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United Kingdom , Guildford
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35000.00 GBP / Year
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Office Angels
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Senior Administrator - Learning & Development
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Seeking a Senior L&D Administrator for a leading UK construction services provider. You will manage training needs, ensure compliance, and oversee CSCS cards and HRIS/LMS records in Central London. Ideal candidates have proven L&D experience, strong admin skills, and proficiency in MS Office. A C...
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United Kingdom , Central London
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33000.00 - 35000.00 GBP / Year
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Office Angels
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Senior Administrator / PA
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Join our dynamic property team in South Woodford as a Senior Administrator/PA. This pivotal role blends administrative, marketing, and financial support for sales and lettings. We seek a proactive, tech-savvy professional with strong MS Office skills and exceptional organisation. Enjoy benefits i...
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United Kingdom , South Woodford
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30000.00 - 35000.00 GBP / Year
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Office Angels
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Senior HR Administrator
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Seeking a Senior HR Administrator in South Croydon. You will support payroll, pensions, and benefits compliance for 7,500 employees, deputising for the Manager. Ideal candidates have HR qualifications, GDPR knowledge, and process improvement skills. Join a dynamic team with career development opp...
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United Kingdom , South Croydon
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19.50 - 20.50 GBP / Hour
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Office Angels
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Senior Contract Administrator
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Lead a commercial admin team for a respected fresh produce trader in Kingston Upon Thames. This senior role requires proven supervisory skills, strong organisation, and a customer-focused mindset in a busy trading environment. Benefits include hybrid working (3 days office/2 home), paid overtime,...
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United Kingdom , Kingston Upon Thames
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28000.00 - 34000.00 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.