CrawlJobs Logo

Filters

Location
Salary
Clear all filters

Senior Administrator Jobs (On-site work)

176 Job Offers

Senior Administrator - Professional Services
Save Icon
Join our Leeds team as a Senior Administrator in Professional Services. You will deliver exceptional administrative support, from document production and client onboarding to event coordination. The role requires strong MS Office skills, attention to detail, and a proactive approach. Benefits inc...
Location Icon
Location
United Kingdom , Leeds
Salary Icon
Salary
28000.00 GBP / Year
https://www.office-angels.com Logo
Office Angels
Expiration Date
Until further notice
Senior Network and Systems Administrator
Save Icon
Seeking a Senior Network and Systems Administrator for a critical role at USSOCOM HQ on MacDill AFB, FL. This position requires 7+ years of network design/support experience, active Secret clearance, and IAT certification. You will manage secure LAN systems, ensure DISA compliance, and perform ke...
Location Icon
Location
United States , MacDill AFB, FL
Salary Icon
Salary
Not provided
deltasands.com Logo
Delta Solutions & Strategies
Expiration Date
Until further notice
Senior Administrator
Save Icon
Join a forward-thinking legal team in Exeter as a Senior Administrator. Utilize your strong organizational skills and attention to detail to provide comprehensive legal support and conduct research. Enjoy a vibrant workplace culture, private medical cover, and 25 days holiday plus bank holidays.
Location Icon
Location
United Kingdom , Exeter
Salary Icon
Salary
35000.00 GBP / Year
https://www.office-angels.com Logo
Office Angels
Expiration Date
Until further notice
Senior Linux System Administrator - Support Engineer
Save Icon
Join our Canberra-based team as a Senior Linux System Administrator - Support Engineer. You will design, maintain, and optimize mission-critical Linux infrastructure and HPC clusters, ensuring high availability and performance. This on-site role requires 5+ years of Linux/HPC expertise, strong sc...
Location Icon
Location
Australia , Canberra
Salary Icon
Salary
Not provided
https://www.hpe.com/ Logo
Hewlett Packard Enterprise
Expiration Date
Until further notice
Senior Administrative Assistant / Executive Assistant
Save Icon
Seeking a seasoned Senior Administrative Assistant with REQUIRED senior living industry experience. Provide high-level, onsite support to the CEO, CFO, and COO in Kearny Mesa. Manage executive priorities, calendars, travel, and corporate office operations with utmost discretion. This key role off...
Location Icon
Location
United States , San Diego, CA
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Senior Administrative Associate
Save Icon
Join a leading Boston medical institution as a temporary Senior Administrative Associate. This 3-6 month, onsite role supports a specialized clinical department, requiring 3+ years of admin experience. You will manage financial reconciliation, sensitive records, and program coordination in a fast...
Location Icon
Location
United States , Boston
Salary Icon
Salary
24.00 - 28.00 USD / Hour
bhsg.com Logo
Beacon Hill
Expiration Date
Until further notice
Senior Systems Administrator
Save Icon
Join Geonetric as a Senior Systems Administrator in Cedar Rapids. You will manage and improve critical IT systems including Office 365, SaaS apps, and hybrid AAD/Entra ID environments. This role requires 5+ years of experience, proficiency in desktop support, and expertise in Active Directory and...
Location Icon
Location
United States , Cedar Rapids
Salary Icon
Salary
Not provided
geonetric.com Logo
Geonetric
Expiration Date
Until further notice
Senior Quality Training Administrator
Save Icon
Seeking a Senior Quality Training Administrator in Pleasant Prairie, USA. You will design and lead quality training programs, ensuring compliance with standards like ISO and IPC-A-610. Requires 4+ years' experience, expertise in quality systems, and strong facilitation skills. Must be a US Citize...
Location Icon
Location
United States , Pleasant Prairie
Salary Icon
Salary
Not provided
sanmina.com Logo
Sanmina
Expiration Date
Until further notice
Senior Group Risk Administrator
Save Icon
Seeking a Senior Group Risk Administrator for a leading London financial planning firm. This role requires 3-5 years' group risk experience and strong knowledge of products like Group Life and Income Protection. You will manage schemes, ensure FCA compliance, and provide excellent client service....
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
40000.00 - 43000.00 GBP / Year
https://www.office-angels.com Logo
Office Angels
Expiration Date
Until further notice
System Administrator, Senior
Save Icon
Seeking a Senior System Administrator in Columbia, MD, to design and maintain critical Cross Domain Solutions. Requires TS/SCI clearance, 5+ years' experience with Linux (RHEL/CentOS), VMware, and networking. This role offers competitive benefits and the chance to support vital national cybersecu...
Location Icon
Location
United States , Columbia
Salary Icon
Salary
77600.00 - 176000.00 USD / Year
boozallen.com Logo
Booz Allen Hamilton
Expiration Date
Until further notice
Senior Systems Administrator
Save Icon
Seeking a Senior Systems Administrator in Annapolis Junction to manage and maintain critical IT infrastructure. This role involves troubleshooting, system monitoring, and resolving issues across client/server/storage/network devices. Requires 15 years of SA experience and expertise in both UNIX a...
Location Icon
Location
United States , Annapolis Junction
Salary Icon
Salary
Not provided
2hb.com Logo
2HB
Expiration Date
Until further notice
Senior Administrative Specialist
Save Icon
Seeking a Senior Administrative Specialist in San Antonio, TX, supporting critical cyber systems. This role requires an active Top Secret clearance and 5+ years of DoD administrative experience. You will provide direct staff support to senior leadership, ensuring mission success. We offer competi...
Location Icon
Location
United States , San Antonio, Texas
Salary Icon
Salary
Not provided
astrion.us Logo
Astrion
Expiration Date
Until further notice
Senior Database Administrator
Save Icon
Seeking a Senior Database Administrator with Top Secret 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 and Security+ certifications and offers robust benefits ...
Location Icon
Location
United States , Fort Belvoir
Salary Icon
Salary
Not provided
chickasaw.com Logo
Chickasaw Nation Industries, Inc (CNI)
Expiration Date
Until further notice
Senior Remedy Database Administrator
Save Icon
Seeking a Senior Remedy Database Administrator with an active TS clearance for a role at Fort Belvoir. You will administer and secure Remedy/SQL databases across multiple environments, ensuring performance and integrity. This position requires MCSA: SQL Server and Security+ certifications. We off...
Location Icon
Location
United States , Fort Belvoir
Salary Icon
Salary
Not provided
chickasaw.com Logo
Chickasaw Nation Industries, Inc (CNI)
Expiration Date
Until further notice
Senior Administrative Assistant
Save Icon
Seeking a proactive Senior Administrative Assistant to support executives in Del Mar, CA. This high-visibility role requires 4+ years of C-suite support, expert MS Office skills, and exceptional organization. Manage complex calendars, travel, and communications in a fast-paced environment. We off...
Location Icon
Location
United States , Del Mar
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Senior IT Systems Administrator
Save Icon
Join Vodafone to safeguard the UK's Critical National Infrastructure. As a Senior IT Systems Administrator in Farnborough, you'll design and maintain critical Windows, Linux, and VMware platforms. Leverage your scripting and NMS expertise within a collaborative team. Enjoy a competitive salary, b...
Location Icon
Location
United Kingdom , Farnborough
Salary Icon
Salary
Not provided
vodafone.com Logo
Vodafone
Expiration Date
Until further notice

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.