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Senior Administrator United Kingdom Jobs

67 Job Offers

Sipp & Ssas Senior Administrator
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Join a leading financial services group as a **SIPP & SSAS Senior Administrator** in Edinburgh. Leverage your pensions administration expertise to manage daily tasks, new business applications, and compliance. Ideal candidates have strong Excel skills and experience with SIPP/SSAS or financial se...
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Location
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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Until further notice
Temporary FTC Senior Administrator - Finance Duties
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Seeking a Temporary Senior Administrator for a 13-month maternity cover in Wakefield (WF1). This role combines senior administrative support with finance duties, including membership administration, bank reconciliations, and payment processing. Ideal for an experienced, organised administrator wi...
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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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Until further notice
Senior Client Operations Administrator
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Senior Client Operations Administrator sought by a growing Financial Services firm in Wellington, UK. You will deliver exceptional client service, manage communications, and coordinate meetings. Essential experience in financial services administration, strong Excel skills, and CRM proficiency re...
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Location
United Kingdom , Wellington
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Salary
35000.00 - 40000.00 GBP / Year
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Office Angels
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Until further notice
Senior Financial Planning Administrator
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Senior Financial Planning Administrator sought by a respected IFA firm in Nottingham. This role involves managing complex client cases, supporting advisers, and mentoring junior staff. Requires deep knowledge of financial planning products, FCA compliance, and strong organisational skills. Offers...
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Location
United Kingdom , Nottingham
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Salary
25000.00 - 32000.00 GBP / Year
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IDEX Consulting Ltd
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Until further notice
Senior Contracts Administrator
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Senior Contracts Administrator sought by Global Fire and Security Systems in Nottingham NG2. This on-site role involves contract renegotiation, CRM data management, and client communication. Ideal candidates have proven contracts administration experience, MS Excel proficiency, and strong attenti...
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Location
United Kingdom , Nottingham
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Salary
Not provided
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360 Resourcing Solutions
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Senior Administrator
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Seeking a proactive **Senior Administrator** for a part-time role in **London Bridge** with potential to go permanent. Supporting a small team at a respected membership organisation, you'll manage communications, scheduling, and document preparation. Requires strong IT skills (Mailchimp, Hivebrit...
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Location
United Kingdom , London
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Salary
15.00 - 16.00 GBP / Hour
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Office Angels
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Until further notice
Senior Payroll Administrator
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Senior Payroll Administrator role in Luton, UK, offering hybrid working and competitive benefits. You will support a large monthly payroll, ensuring accurate data processing, compliance, and query resolution. Ideal for a detail-oriented professional with payroll experience, strong Excel skills, a...
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Location
United Kingdom , Luton
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Salary
Not provided
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Impellam Group
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Senior Pensions Administrator
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Senior Pensions Administrator role in Sheffield, UK, offering up to £42,000. Join a stable organisation managing a Defined Benefit (DB) pension scheme. Key duties include manual DB calculations, member support, and team oversight. Benefits include hybrid working, 25 days holiday, and a generous p...
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Location
United Kingdom , Sheffield
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Salary
40000.00 - 42000.00 GBP / Year
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Office Angels
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Office Manager / Senior Administrator
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Seeking an experienced **Office Manager / Senior Administrator** in **Sydenham, London**. Thrive in a fast-paced IT environment by managing customer inquiries, office supplies, and Xero profiles. Requires 3+ years in administration and strong MS Office skills. Enjoy supporting senior management w...
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Location
United Kingdom , London
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Salary
30000.00 - 32000.00 GBP / Year
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Office Angels
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Personal Assistant (PA) / Senior Administrator
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We are seeking a proactive Personal Assistant (PA) / Senior Administrator to support two senior stakeholders in a fast-paced, fully office-based role in Brighton. This position requires proven diary management, strong organisational skills, and the ability to multitask. Ideal for an experienced P...
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Location
United Kingdom , Brighton
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Salary
24000.00 - 28000.00 GBP / Year
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Office Angels
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Senior Administrator (Planning)
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Seeking a proactive **Senior Administrator (Planning)** in **Linlithgow**. This role involves **planning and scheduling** engineer routes, handling customer enquiries, and maintaining records. Requires **strong Excel skills**, excellent organisation, and a problem-solving mindset. Benefits includ...
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Location
United Kingdom , Linlithgow
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Salary
Not provided
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Office Angels
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Senior Administrator - 30 Hours
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Senior Administrator role in Broxburn, UK, offering 30 hours per week in a rewarding, varied environment. You will combine strong administration skills with light finance tasks like invoicing and reconciliation. Ideal for an organised, proactive communicator who thrives on keeping operations runn...
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Location
United Kingdom , Broxburn
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Salary
32000.00 - 38000.00 GBP / Year
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Office Angels
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Until further notice
Senior Administrator
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Senior Administrator role in Newcastle Upon Tyne, UK. Seeking proven experience in senior administrative support, email management, and project coordination. Must possess advanced organisational skills, attention to detail, and knowledge of ISO standards. Benefits include discount vouchers, eye c...
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Location
United Kingdom , Newcastle Upon Tyne
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Salary
14.35 - 16.41 GBP / Hour
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Office Angels
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Senior Administrator
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Seeking a **Senior Administrator** for a temporary role on the outskirts of **Newcastle City Centre**. This full-time position offers a salary of **£28,000-£32,000** and requires proven experience in **project support**, **email management**, and **ISO standards**. You will oversee daily operatio...
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Location
United Kingdom , Newcastle Upon Tyne
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Salary
14.35 - 16.41 GBP / Hour
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Office Angels
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Until further notice
Senior Client Operations Administrator
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Senior Client Operations Administrator role in Wellington, UK, with a growing Financial Services firm. You will manage client enquiries, coordinate meetings, and process documentation, requiring strong administrative and CRM skills. Essential experience in financial services client support or ope...
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Location
United Kingdom , Wellington
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Salary
35000.00 - 40000.00 GBP / Year
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Office Angels
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Until further notice
Senior Salesforce Administrator
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Senior Salesforce Administrator sought to lead CRM optimization, system integrations, and workflow automation in London or Madrid. Requires 6+ years’ experience with Sales Cloud, Flows, and data governance. Drive platform adoption across sales and marketing teams. Benefits include flexible holida...
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Location
United Kingdom; Spain , London; Madrid
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Salary
Not provided
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Alter Domus
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Senior Administrator
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Seeking a proactive **Senior Administrator** for a temporary role in **Dunfermline**, supporting an Asset team during a transition. You will coordinate property contracts, schedules, and communications with contractors and tenants. Requires strong organisational skills, attention to detail, and a...
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Location
United Kingdom , Dunfermline
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Salary
15.96 GBP / Hour
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Office Angels
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Until further notice
Senior Salesforce Administrator
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Senior Salesforce Administrator sought by Arrow Global in Manchester to lead enterprise-level Salesforce configuration, security, and integrations. This role demands expertise in declarative tools, stakeholder management, and SDLC governance. You will partner with the Product Owner, drive enhance...
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Location
United Kingdom , Manchester
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Salary
Not provided
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Arrow Global Group
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Senior Administrator
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Join Novus at HMP Northumberland as a Senior Administrator—a permanent, full-time role in a dynamic prison education setting. You’ll support a busy team with accurate data management, literacy, numeracy, and IT skills. Enjoy 35 days annual leave, 8 bank holidays, 2 weekly wellbeing hours, and sig...
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Location
United Kingdom , Northumberland
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Salary
25877.80 - 27041.04 GBP / Year
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Novus
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Until further notice
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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Location
United Kingdom , London
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Salary
15.50 GBP / Hour
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Office Angels
Expiration Date
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.