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Senior Administrator Jobs

391 Job Offers

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Senior Linux Systems Administrator
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Seeking a Senior Linux Systems Administrator with an active Secret Clearance to support premier defense research in Lexington. This role requires 5+ years in Linux networking, scripting (Python/Ansible/Bash), and systems configuration. You will administer RHEL servers, optimize performance, and e...
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United States , Lexington
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Not provided
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Aquila Technology
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Payroll Senior Administrator
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Join a growing Sheffield firm as a Payroll Senior Administrator. Take ownership of end-to-end payroll, pensions, and HMRC liaison in a bureau environment. Enjoy a hybrid role with development support, wellbeing benefits, and a chance to shape processes. BrightPay experience and CIPP are advantage...
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United Kingdom , Sheffield
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30000.00 - 34000.00 GBP / Year
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Butler Rose
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Senior System Administrator
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Join Centrico's innovative fintech team as a Senior System Administrator in Biella, Italy. You will manage critical network infrastructure, including F5 load balancers and Checkpoint/Fortinet firewalls, and design Cloud/Hybrid Cloud (Azure) environments. This role requires strong problem-solving ...
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Italy , Biella
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Not provided
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Centrico
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Senior System Administrator
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Join Centrico's innovative fintech team as a Senior System Administrator in Biella, Italy. You will manage critical network infrastructure, including F5 load balancers and Checkpoint/Fortinet firewalls, in Cloud/Hybrid environments. This role requires strong problem-solving skills, fluency in Eng...
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Italy , Biella
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Centrico
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Senior Linux Systems Administrator – Datacenter Infrastructure
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Seeking a Senior Linux Systems Administrator in Somerset, USA. Manage a large-scale RHEL 7/8 estate on HPE ProLiant hardware, with expertise in KVM, security operations (EDR/SIEM), and SAN technologies. Lead performance optimization, automation with Puppet/Python, and transformative infrastructur...
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United States , Somerset
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49.50 - 81.25 USD / Hour
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ClearBridge Technology Group
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Senior Stock Plan Administrator
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Join ClickHouse as a Senior Stock Plan Administrator to build and manage our global equity program. You will ensure compliance and accuracy in administering stock options and RSUs, using platforms like Carta. This remote US role offers equity, flexible work, and collaboration with Legal and Finan...
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United States
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90100.00 - 156000.00 USD / Year
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ClickHouse
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Senior Database Administrator
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Join our team as a Senior PostgreSQL DBA in Wallingford. Architect scaling strategies for our terabyte-scale warehouse robotics platform, optimizing performance for high-growth. You'll ensure system reliability, advise on data architecture, and enjoy comprehensive benefits including private healt...
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United Kingdom , Wallingford
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Dexory Using
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Senior Developer and Administrator
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Seeking a Senior OnBase Developer & Administrator in Columbus/Mason, Ohio. Design and administer OnBase solutions, leveraging 5+ years of CMS experience with on-premise and cloud implementations. Requires strong skills in C#, VB.NET, or Java for workflow customization and integration. Enjoy a fle...
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United States , Columbus, Ohio / Mason, Ohio
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90000.00 - 120000.00 USD / Year
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DigiTech Partners
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Senior Database Administrator
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Seeking a Senior Database Administrator to remotely manage and optimize our Aurora MySQL fleet in the UK. You will ensure high availability, performance tuning, and reliable backups while automating operational tasks. This role requires strong MySQL/Aurora expertise, scripting skills, and a proac...
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United Kingdom , Remote
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Equals Group PLC
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Senior Database Administrator
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Join our team as a Senior Database Administrator in Columbia, US. Provide expert-level SQL Server support, focusing on performance tuning, high-availability, and mentoring developers. Your 6+ years of expertise in backup/recovery, T-SQL, and SSIS will ensure optimal database security and availabi...
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United States , Columbia
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eSystems, Inc.
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Senior System Administrator
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Join Exor International as a Senior System Administrator in San Giovanni Lupatoto. You will manage and optimize our Nutanix/VMware infrastructure, Azure cloud, and network security (Sophos). Utilize your scripting skills for automation and ensure system reliability with Veeam backups. Occasional ...
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Italy , San Giovanni Lupatoto
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EXOR International
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Senior Systems Administrator
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Seeking a Senior Systems Administrator with an active TS/SCI clearance for a role in El Segundo. Manage and secure Windows servers/workstations in a classified environment, ensuring compliance and system integrity. This role offers company-paid benefits, a 401(k) with 6% company contribution, and...
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United States , El Segundo
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120000.00 - 150000.00 USD / Year
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ExoAnalytic Solutions
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Senior Data Warehouse Administrator
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Join our team in Pune as a Senior Data Warehouse Administrator. You will architect and optimize large-scale data platforms, leveraging modern tools like Apache Iceberg and CDC. Your expertise in SQL tuning, data modeling, and pipeline management will be key. We seek a professional with 5-8 years ...
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India , Pune
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FloQast
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Senior Azure & M365 Administrator
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Join Ivy Partners in Porto as a Senior Azure & M365 Administrator. Leverage your 10+ years of expertise in Azure, Microsoft 365, Entra ID, and PowerShell to drive security, automation, and migration projects. Enjoy a supportive, innovative environment with strong growth opportunities in Switzerla...
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Portugal , Porto
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IVY Partners
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Senior Systems Administrator
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Lead automation and modernization efforts as a Senior Systems Administrator in Annapolis Junction. This mission-critical role requires 10+ years of Linux/Ansible expertise and an active TS/SCI with Polygraph. You'll optimize secure IT systems, drive PKI/OCSP initiatives, and enjoy top-tier benefi...
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United States , Annapolis Junction
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150000.00 - 250000.00 USD / Year
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LufCo
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Senior Contract Administrator / Quantity Surveyor
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Join our expanding Melbourne team as a Senior Contract Administrator/Quantity Surveyor. This role requires 10+ years' civil construction experience and expertise in contract administration for major infrastructure projects. You will enjoy a supportive culture, market-leading remuneration, and exp...
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Australia , Melbourne
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MBB Consulting Pty Ltd
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Senior Trust Administrator
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Seeking a Senior Trust Administrator to manage a portfolio of trusts and corporate structures. The role requires 2+ years' experience, STEP/ICSA studies, and strong client service skills. You will ensure regulatory compliance and provide day-to-day administration within a professional team.
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NSM Team
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Senior Fund Administrator
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Lead a team in London on a 6-month FTC as a Senior Fund Administrator. This hybrid role requires deep expertise in direct and private equity fund structures, using systems like eFront. You will manage complex workflows, drive process improvements, and collaborate with legal and investment teams i...
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United Kingdom , London
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Not provided
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Orbis Consultants
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Senior Fund Administrator
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Lead a small team in London on a 6-month FTC, managing complex equity and private equity fund administration. You will oversee daily operations, collaborate with legal/investment teams, and drive process improvements. Ideal candidates have strong technical knowledge, eFront experience, and a solu...
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United Kingdom , London
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Orbis Consultants
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Senior Salesforce Administrator
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Join Payhawk in Sofia as a Senior Salesforce Administrator. You will optimize our Salesforce platform, using your 4+ years of Sales/Service Cloud expertise in automation, security, and reporting. Enjoy benefits like 30 days holiday, flexible work, and a dynamic fintech environment where you'll dr...
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Bulgaria , Sofia
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Not provided
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Payhawk
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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.

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