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Senior Administrator Jobs

162 Job Offers

Senior Systems Administrator
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Senior Systems Administrator needed in Birmingham, AL to manage and enhance enterprise infrastructure. This role requires 5+ years of experience with VMware, Hyper-V, Windows Server, and Active Directory. You will ensure system reliability, provide high-touch technical support, and automate tasks...
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Senior Hris Administrator
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Senior HRIS Administrator role in Saint Paul, MN, seeking 5+ years of HRIS platform expertise, including UKG Pro/Ready. Drive HR technology strategy, governance, and process improvement while managing vendor relationships and leading system implementations. Requires strong analytics, compliance k...
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Senior Contract Administrator
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Senior Contract Administrator needed for a $33M commercial project in Geelong, Australia. You’ll manage head contracts, subcontracts, claims, and variations while mentoring junior team members. Requires 5+ years’ construction experience, a relevant degree, and commercial new build expertise over ...
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140000.00 - 180000.00 AUD / Year
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Senior Lease Administrator
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Senior Lease Administrator needed in Rockville, MD to manage commercial property portfolios, lease abstraction, and billing. Requires 3+ years of lease administration experience, strong lease language interpretation, and intermediate Excel skills. JD Edwards (JDE) experience preferred. This role ...
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75000.00 - 95000.00 USD / Year
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Senior Administrator/ Assistant Manager
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Senior Administrator/Assistant Manager sought for a dynamic Private Wealth team in Jersey. You will independently manage a portfolio of trusts and fiduciary structures, requiring 4-6 years’ finance industry experience. Key duties include client liaison, transaction oversight, and regulatory compl...
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Jersey, Jersey
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Senior Platform Consultant - Cloudera Administrator
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Senior Platform Consultant (Cloudera Administrator) needed in Lahore, Karachi, or Islamabad. Manage, secure, and optimize enterprise CDP/CDH clusters with expertise in HDFS, YARN, Spark, and Kafka. Requires 4+ years of Hadoop admin experience, Linux skills, and security tools like Kerberos and Ra...
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Pakistan, Lahore, Karachi, Islamabad
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Senior ServiceNow CMDB & Configuration Management Administrator
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Senior ServiceNow CMDB Administrator sought for a contract-to-hire role, 100% remote. Leverage 5+ years of enterprise experience driving CMDB governance, Discovery, and CSDM-aligned CI data modeling. Key responsibilities include managing reconciliation rules, MID servers, and complex integrations...
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Senior Administrator
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30000.00 - 40000.00 GBP / Year
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Senior IT Support Administrator
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Senior Zabbix Administrator
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Senior Zabbix Administrator sought in Noida, India, to architect and optimize enterprise monitoring platforms. This role demands deep expertise in Zabbix 5.x/6.x, syslog ingestion, and log correlation to reduce alert noise. You will manage distributed environments, fine-tune triggers, and integra...
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Senior Team Administrator
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Senior Team Administrator sought to support ONNEC’s APAC hyperscale data centre cabling projects from Malaysia. This role requires a proactive, highly organised self-starter with strong IT skills (Excel, Teams) to manage trackers, documentation, and senior stakeholder coordination. You will strea...
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Senior Network Administrator
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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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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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15.00 - 16.00 GBP / Hour
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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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30000.00 - 32000.00 GBP / Year
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New Business Senior Administrator
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New Business Senior Administrator role in Douglas, Isle of Man, focused on client onboarding and AML/CFT compliance. You will vet applications, validate Source of Wealth/Funds, and conduct high-risk reviews for complex structures. Requires strong attention to detail, organizational skills, and up...
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Senior Systems Administrator
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We are seeking a Senior Systems Administrator with 5+ years of experience in enterprise IT and Microsoft Azure. This role involves acting as a key escalation point for desktop support, managing Windows systems, Group Policy, and driving automation through PowerShell scripting. Based in Birmingham...
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Senior Atlassian Systems Administrator
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Senior Atlassian Systems Administrator needed in Pune, India, to own and evolve Jira and Confluence environments. This role requires 4+ years of hands-on experience, scripting skills (PowerShell, Bash, JavaScript), and ITSM knowledge. You will support integrations, automate workflows, and collabo...
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Senior GTM Systems Administrator
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Senior GTM Systems Administrator sought in Bengaluru to optimize our sales tech stack. You will administer tools like Apollo, Outreach, and Gong, manage telephony platforms, and troubleshoot CRM issues. Ideal candidates have hands-on experience with sales tool administration, dialer platforms, an...
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Senior Infrastructure & Network Administrator
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Senior Infrastructure & Network Administrator sought by a global telecom leader in Paris. This role demands deep expertise in Linux, networking (TCP/IP, VPNs, firewalls), VMware, and Windows Server. You will own critical incidents and projects within a high-availability environment. Enjoy a compe...
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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.