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Senior Administrator United Kingdom Jobs

117 Job Offers

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Senior Wealth Administrator
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Senior Wealth Administrator sought for a permanent, full-time role in Bath, UK. You will oversee daily administration, support Wealth Managers, and manage client documentation, asset transfers, and ISA subscriptions. Requires previous wealth management admin experience, strong MS Office skills, a...
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United Kingdom , Bath
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Not provided
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Brewin Dolphin
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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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Senior Administrator
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Seeking a detail-oriented **Senior Administrator** for a part-time, 6-month contract at HMP Frankland in Durham. This dynamic role requires strong organisational, literacy, and IT skills to support a busy office. Enjoy 35 days annual leave (pro-rata), significant pension contributions, and retail...
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United Kingdom , Durham
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Salary
25877.80 - 27041.04 GBP / Year
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Novus
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Senior Administrator
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Senior Administrator role in London offering a flexible hybrid working model. We seek a methodical, detail-oriented professional with strong diary management and administration experience. You will manage complex schedules, inboxes, and meeting coordination for Directors. Join a supportive enviro...
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United Kingdom , London
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Salary
15.50 GBP / Hour
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Office Angels
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Senior Contracts Administrator
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Seeking a detail-oriented **Senior Contracts Administrator** in **Nottingham, UK**. You will support Contract Management and Engineering teams by reviewing contracts, processing maintenance orders, and managing CRM data. Requires proven admin experience, MS Excel proficiency, and strong multitask...
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United Kingdom , Nottingham
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Not provided
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360 Resourcing Solutions
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Senior Administrator
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Senior Administrator role in Witham, UK, offering 23 days holiday plus bank holidays, onsite parking, and great progression opportunities. You will manage client accounts, lead meetings, resolve service issues, and drive process improvements. Ideal for candidates with account management experienc...
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United Kingdom , Witham
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Salary
29000.00 - 32000.00 GBP / Year
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Office Angels
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Senior Administrator
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United Kingdom , London
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26748.00 - 29548.00 GBP / Year
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Victim Support
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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 Administrator - Legal
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Senior Administrator - Legal role in Nottingham (hybrid) seeks experienced legal or professional services professionals. Advanced Microsoft Office skills and document management system experience are essential, with Real Estate background desirable. You will support fee earners with Land Registry...
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United Kingdom , Nottingham
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30000.00 - 33000.00 GBP / Year
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Office Angels
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Senior HR Administrator
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Join the UK’s largest conveyancing group as a Senior HR Administrator in Leicester. Supervise a People Services team, manage HR administration, and support payroll projects. Ideal for experienced HR generalists ready to step into leadership. Enjoy hybrid work options and a referral bonus.
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United Kingdom , Leicester
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Salary
29000.00 GBP / Year
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360 Resourcing Solutions
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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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Salary
32000.00 - 35000.00 GBP / Year
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Office Angels
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Sipp & Ssas Senior Administrator
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Join a leading financial services group as a **SIPP & SSAS Senior Administrator** in Edinburgh. You’ll manage daily pension administration, new business applications, and compliance tasks, leveraging strong Excel and systems skills. Ideal candidates have pensions or financial services experience,...
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United Kingdom , Edinburgh
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Salary
36000.00 - 38000.00 GBP / Month
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360 Resourcing 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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Salary
18.10 GBP / Hour
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Office Angels
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Sipp & Ssas Senior Administrator
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United Kingdom , Edinburgh
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36000.00 - 38000.00 GBP / Month
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360 Resourcing Solutions
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Senior Database Administrator
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Senior Database Administrator sought in Manchester to deliver secure, scalable, high-performance database services. Requires deep expertise in MariaDB/MySQL, Linux, and automation tools like Ansible or Terraform. You will optimise performance, manage high availability, and collaborate with DevOps...
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United Kingdom , Manchester
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60000.00 - 75000.00 GBP / Year
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360 Resourcing Solutions
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Senior IFA Administrator
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Senior IFA Administrator sought by a reputable Warwick financial planning firm. This key role supports Financial Planners and the Office Manager, ensuring compliant, high-quality client service. Ideal candidates have IFA experience, knowledge of financial products, and proficiency in FE Analytics...
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United Kingdom , Warwick
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Salary
32000.00 - 35000.00 GBP / Year
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IDEX Consulting Ltd
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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
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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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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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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.