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IT System Administrator United States Jobs

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System Administrator
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Join our Atlanta-based team as a System Administrator. You will manage Azure AD, Office 365, and Hyper-V environments, ensuring optimal performance and security. We seek a skilled professional with strong troubleshooting abilities. We offer a comprehensive benefits package including medical, dent...
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United States , Atlanta
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Robert Half
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System Administrator
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Join our Atlanta-based team as a System Administrator. You will manage Azure AD, Office 365, and Hyper-V environments, ensuring optimal performance and security. We seek a skilled professional with strong troubleshooting abilities. This role offers a comprehensive benefits package including medic...
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United States , Atlanta
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Robert Half
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Systems Administrator
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Join our team in Irving, Texas as a Systems Administrator. You will support our unique retail POS system and manage IT vendor relationships. Requires 5+ years of retail IT experience, expertise in Active Directory, Windows, SonicWall, and hardware. We offer comprehensive benefits including medica...
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United States , Irving
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Robert Half
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Federal HPC Linux System Administrator
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Join HPE as a Federal HPC Linux System Administrator in Annapolis Junction. Provide technical leadership managing mission-critical HPC systems, including RHEL/SLES, parallel file systems, and networking. Utilize scripting skills (Python, Perl) for optimization and problem resolution within a supp...
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United States , Annapolis Junction
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115500.00 - 266000.00 USD / Year
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Hewlett Packard Enterprise
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High Performance Computing System Administrator
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Seeking a TS-cleared HPC System Administrator in Aberdeen. This role involves maintaining high-performance computing systems, ensuring security compliance, and providing 24/7 support. Requires 8+ years' experience, Linux+/Security+ certs, and offers a $20K annual bonus.
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United States , Aberdeen
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101900.00 - 234500.00 USD / Year
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Hewlett Packard Enterprise
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Systems Administrator
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Seeking a skilled Systems Administrator for our Oak Brook healthcare team. You will manage VMware, Microsoft 365, and Windows systems, ensuring security and efficiency. This role requires 3+ years of healthcare IT experience, PowerShell scripting, and strong problem-solving skills. We offer compr...
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United States , Oak Brook
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Robert Half
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Cloud System Administrator
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Seeking a Cloud System Administrator in Lexington to oversee our AWS infrastructure and ensure optimal performance. Your role will involve automation with Ansible, security configuration, and managing systems like EC2 and Cloudflare. We offer comprehensive benefits including medical, dental, and ...
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United States , Lexington
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Robert Half
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Systems Administration Professional
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Join our Houston team as a Systems Administration Professional. You will manage our IT infrastructure, ensuring security and reliability. The role requires 3-5 years' experience, networking knowledge, and Salesforce platform familiarity. We offer comprehensive benefits and a supportive environment.
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United States , Houston
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Robert Half
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Systems Administrator
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Seeking a skilled Systems Administrator in Anoka to manage IT infrastructure, optimize networks, and implement cybersecurity strategies. This role requires 5+ years of experience in system administration and project coordination. You will ensure operational efficiency, resolve technical issues, a...
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United States , Anoka
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Robert Half
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Systems Administrator
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Join our team as a Systems Administrator in Charlotte, USA. You will manage and maintain enterprise Windows/Linux servers and virtualization platforms like VMware/Hyper-V. The role requires 3-5 years of experience, scripting skills, and offers full benefits including medical, dental, and a 401(k)...
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United States , Charlotte
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Robert Half
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Cloud System Administrator
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Seeking a Cloud System Administrator in West Chester to manage Azure, Office 365, and Active Directory infrastructure. You will implement IaC with Terraform, oversee API management, and ensure security. This role offers competitive compensation, comprehensive benefits, and access to top-tier trai...
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United States , West Chester
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Robert Half
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Systems Administrator
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Join our tech client in Ames, Iowa, as a Systems Administrator/Network Engineer. Deploy Windows images, manage O365/Intune, and support Cisco hardware in this direct-hire role. Enjoy full benefits, a 401(k), and a salary up to $95K for your 3+ years of systems administration expertise.
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United States , Ames
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95000.00 USD / Year
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Robert Half
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Lead Systems Administrator
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Lead Windows Systems Administrator role south of Warwick, RI. This hybrid position requires 10+ years of IT experience to manage Windows Server, Active Directory, and cloud (Azure/AWS) environments. You will lead a team, drive modernization, and ensure system security. We offer competitive compen...
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United States , South of Warwick, RI
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Robert Half
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High Performance Computing System Administrator
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Seeking a High Performance Computing System Administrator in Livermore, CA. This role requires extensive Linux expertise (RHEL/SLES), workload management, and parallel file systems to maintain critical HPC infrastructure. You will provide technical leadership, ensure system availability, and solv...
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United States , Livermore, CA
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78700.00 - 181200.00 USD / Year
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Hewlett Packard Enterprise
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High Performance Computing System Administrator
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Seeking a US Citizen HPC System Administrator in Livermore. Maintain critical Linux-based high-performance computing systems, utilizing scripting and workload management expertise. This role offers a comprehensive benefits package and requires strong problem-solving skills in a team-oriented, sec...
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United States , Livermore
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78700.00 - 181200.00 USD / Year
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Hewlett Packard Enterprise
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Federal HPC Linux System Administrator
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Join Hewlett Packard Enterprise as a Federal HPC Linux System Administrator. This role requires TS/SCI clearance and involves maintaining Linux systems, resolving complex hardware/software issues, and supporting parallel file systems. We offer a flexible, inclusive environment with remote/on-site...
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United States , San Diego
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115500.00 - 266000.00 USD / Year
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Hewlett Packard Enterprise
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Federal HPC Linux System Administrator
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Seeking a TS/SCI-cleared Linux Systems Administrator for a mission-critical HPC role in Utah. Provide technical leadership managing large-scale HPC systems, parallel file systems, and Linux (RHEL/SLES). Join HPE to ensure system optimization, resolve complex issues, and support national security ...
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United States , Utah, near Salt Lake City
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101900.00 - 234500.00 USD / Year
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Hewlett Packard Enterprise
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High Performance Computing Linux System Administrator
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Seeking a TS/SCI-cleared High Performance Computing Linux System Administrator for an on-site role in Utah. Provide advanced technical consulting and leadership, designing enterprise IT solutions for complex customer needs. This senior position requires 12+ years of expertise, vendor certificatio...
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United States , Utah
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115500.00 - 266000.00 USD / Year
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Hewlett Packard Enterprise
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Federal HPC Linux System Administrator
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Join HPE as a Federal HPC Linux System Administrator in Annapolis Junction. This role requires a TS/SCI with Poly clearance and expertise in RHEL/SLES, parallel file systems, and scripting. You will provide critical system management, optimization, and technical leadership for mission-critical cu...
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Location
United States , Annapolis Junction
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Salary
115500.00 - 266000.00 USD / Year
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Hewlett Packard Enterprise
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Until further notice
High Performance Computing Linux System Administrator
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Seeking a US Citizen HPC Linux System Administrator for an on-site role in Berkeley. Provide technical leadership, design solutions, and ensure client satisfaction in high-performance computing environments. This role requires 5+ years of experience, strong consulting skills, and expertise across...
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United States , Berkeley
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Salary
78700.00 - 181200.00 USD / Year
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Hewlett Packard Enterprise
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Until further notice
Explore a world of opportunity in IT System Administrator jobs, the backbone of modern organizational technology. IT System Administrators are the essential professionals responsible for installing, configuring, maintaining, and securing the critical hardware and software systems that keep businesses running. This career path sits at the intersection of technical expertise and operational reliability, offering a dynamic and rewarding profession for those who enjoy problem-solving and ensuring seamless digital workflows. In a typical role, an IT System Administrator’s responsibilities are vast and vital. They manage and monitor an organization's servers, often leveraging virtualization platforms like VMware or Hyper-V, and are increasingly involved with cloud services from providers such as AWS, Microsoft Azure, or Google Cloud Platform. A core duty is maintaining network services, including Active Directory, DNS, DHCP, and email systems like Microsoft Exchange or Microsoft 365. They ensure all endpoints—employee laptops, desktops, and mobile devices—are properly configured, updated, and secure, frequently using tools like Microsoft Intune or Jamf. System Administrators also implement robust backup solutions, conduct disaster recovery tests, and apply security patches and updates to protect against vulnerabilities. They provide escalated technical support, troubleshoot complex system issues, and create detailed documentation for system configurations and procedures. The skill set for these jobs is both broad and deep. Foundational knowledge of operating systems is paramount, with expertise in Windows Server and/or Linux distributions being highly common. Understanding core networking concepts (TCP/IP, routing, firewalls) and security principles (access controls, hardening, compliance frameworks) is non-negotiable. Proficiency in scripting with PowerShell, Bash, or Python to automate repetitive tasks is a major asset that increases efficiency. Strong analytical and problem-solving skills are essential for diagnosing system failures or performance bottlenecks. Equally important are soft skills: clear communication to assist colleagues and document processes, meticulous attention to detail, and the ability to manage multiple priorities in a high-pressure environment. Typical requirements for IT System Administrator jobs often include a bachelor’s degree in computer science, information technology, or a related field, though relevant experience and professional certifications can be equally valuable. Certifications such as Microsoft Certified: Azure Administrator Associate, CompTIA Server+, CompTIA Security+, Red Hat Certified System Administrator (RHCSA), or VMware Certified Professional (VCP) are frequently sought by employers. A successful candidate is typically proactive, eager to learn new technologies as the IT landscape evolves, and committed to maintaining system uptime and security. For those passionate about building stable, efficient, and secure digital infrastructures, pursuing IT System Administrator jobs offers a stable career with continuous growth and challenge. It is a role where technical skill directly translates into organizational success, making these professionals indispensable in every sector of the economy.

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