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IT Administrator United States Jobs (On-site work)

35 Job Offers

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It Systems & Network Administrator
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We are seeking an experienced IT Systems & Network Administrator in Oklahoma City to manage Windows Server, Active Directory, and Cisco networking environments. This hands-on role involves supporting enterprise infrastructure, SQL systems, and escalated technical issues while driving long-term im...
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United States , Oklahoma City
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Not provided
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Robert Half
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It Support Administrator
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We are seeking an IT Support Administrator in Denver, CO, to provide Tier 1/2 technical support in a corporate and manufacturing environment. You will troubleshoot Windows OS, Microsoft 365, and ERP systems (SAP, Oracle), while managing Active Directory and network fundamentals. This role offers ...
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United States , Denver
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Not provided
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Robert Half
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IT PACS Systems Administrator Associate
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Join a leading Houston healthcare team as an IT PACS Systems Administrator Associate. You will provide technical support and maintenance for medical imaging systems, leveraging 2+ years of experience in a technical or clinical healthcare role. This role offers a solid foundation in PACS administr...
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United States , Houston
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Salary
35.70 - 58.91 USD / Hour
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American Nursing Care
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It Administrator
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Seeking a versatile **IT Administrator** for a **part-time, onsite** role in **Kalamazoo, MI**. This long-term contract (20 hrs/week) requires expertise in **Active Directory**, **Windows Server**, and network hardware like **Palo Alto firewalls**. You will resolve end-user issues and maintain co...
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Location
United States , Kalamazoo
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Not provided
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Robert Half
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Sr IT Administrator
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Seeking a Sr IT Administrator for a long-term contract in Glasgow, US. This role requires 7+ years of experience leading enterprise infrastructure, including VMware, Nutanix, and zero-trust security. You will drive network and server enhancements, oversee disaster recovery, and automate with Powe...
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Location
United States , Glasgow
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Not provided
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Robert Half
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It Senior System Administrator
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Seeking an experienced **IT Senior System Administrator** in Newkirk, OK to ensure the integrity and availability of critical casino systems. This role requires 6+ years of experience in systems administration, expertise in VMware, Active Directory, and security monitoring. You will manage server...
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United States , Newkirk
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Not provided
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7 Clans Casinos
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It Administrator
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IT Administrator role in San Antonio, Texas, seeking a curious, dependable professional with 3+ years in systems administration and IT support. Key skills include Active Directory, Windows Server, HubSpot administration, and workflow automation tools like Zapier. You’ll drive process improvements...
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United States , San Antonio
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Not provided
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Robert Half
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IT Infrastructure Administrator
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IT Infrastructure Administrator needed in the Quad Cities to support and optimize Windows Server, M365, and cloud environments. This role offers high visibility and advancement into senior engineering. Requires 4+ years in systems, Active Directory, networking (DNS/DHCP, firewalls), and security ...
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Location
United States , Quad Cities
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80000.00 - 120000.00 USD / Year
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Robert Half
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Senior IT Administrator
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Senior IT Administrator needed in North Little Rock, AR to lead cloud and hybrid infrastructure, security, and end-user support. Requires 3+ years of experience with Microsoft Entra ID, Intune, M365, and Windows Server. Oversee identity access, device management, and security operations. Benefits...
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United States , North Little Rock
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Robert Half
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It Infrastructure Administrator
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IT Infrastructure Administrator needed in Lenexa, US. Leverage 3-5 years of system admin experience in a high-visibility role supporting Microsoft 365, Windows, and network infrastructure. Manage servers, troubleshoot complex issues, and drive modernization initiatives. Enjoy strong upward mobili...
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Location
United States , Lenexa
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Salary
75000.00 - 85000.00 USD / Year
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Robert Half
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It Administrator
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We are seeking a skilled IT Administrator in Brownsville, TX, to maintain network infrastructure, Cisco routers, and firewalls while supporting end-user devices and security systems. This hands-on role requires 3+ years of experience with Active Directory, structured cabling, and CCTV support. Yo...
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United States , Brownsville
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Not provided
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Robert Half
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IT Server Administrator
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Seeking an experienced IT Server Administrator in Wichita, KS to manage enterprise Unix (AIX, CentOS, Ubuntu) and Windows Server environments. Requires 5+ years configuring Active Directory, GPOs, and scripting with PowerShell or Bash. Key duties include AD integration, VM management (ESXi), and ...
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United States , Wichita
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Salary
78400.00 - 120250.00 USD / Year
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Boeing
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IT Administrator
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We are seeking a skilled IT Administrator in San Antonio, TX, to maintain critical network infrastructure and provide hands-on technical support. This role requires 3+ years of experience with Cisco routers, Active Directory, and structured cabling. You will manage security systems, user accounts...
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United States , San Antonio
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Not provided
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Robert Half
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IT Administrator
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IT Administrator needed for a contract-to-permanent role in a Texas manufacturing environment. Provide Tier 1/2 desktop support, manage Active Directory, Microsoft 365, and Intune endpoints. Act as the primary onsite IT contact, troubleshooting hardware, software, and AV systems. Benefits include...
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United States , Fort Worth
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Not provided
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Robert Half
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It Administrator
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IT Administrator needed in Richfield, Ohio to manage core infrastructure, Microsoft platforms, and virtualization. This role requires 5+ years of experience with Active Directory, Windows Server, VMware, and network troubleshooting. You will ensure secure, reliable operations while resolving tech...
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United States , Richfield
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Salary
Not provided
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Robert Half
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It Administrator
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United States , Buffalo
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Not provided
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Robert Half
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IT PACS Systems Administrator
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Join our healthcare team in Dodge City as an IT PACS Systems Administrator. You will provide essential system administration for medical imaging display, retention, and interpretation. This role requires 2+ years of technical/clinical experience, strong knowledge of imaging systems and Windows OS...
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United States , Dodge City
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Salary
33.19 - 49.37 USD / Hour
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American Nursing Care
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IT PACS Systems Administrator Associate
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Seeking an IT PACS Systems Administrator Associate in Longmont, CO. Provide technical support and maintenance for medical imaging systems (PACS) in a healthcare setting. Requires a BS in IT or 4-6 years of related experience. Benefits include medical plans, PTO, tuition reimbursement, and retirem...
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United States , Longmont, Colorado
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Salary
35.70 - 53.11 USD / Hour
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American Nursing Care
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IT PACS Systems Administrator
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Lead the management and optimization of our critical PACS and enterprise imaging infrastructure in Lakewood. This senior role requires deep PACS architecture expertise, 3+ years of hands-on administration, and skills in database, virtualization, and networking. You'll ensure system health, securi...
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United States , Lakewood
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Salary
38.34 - 57.03 USD / Hour
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American Nursing Care
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IT PACS Systems Administrator Sr
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Seeking a Senior PACS Systems Administrator in Tacoma. This role requires 7+ years of PACS administration experience, including system implementation and optimization. You will oversee critical medical imaging infrastructure, ensuring compliance and collaborating with clinical teams. We offer com...
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United States , Tacoma
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Salary
44.18 - 65.71 USD / Hour
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American Nursing Care
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About the IT Administrator role

Explore a world of opportunity in IT Administrator jobs, a dynamic and critical field at the heart of modern business operations. An IT Administrator, often synonymous with a Systems Administrator, is the backbone of an organization's technological infrastructure, responsible for ensuring that all computer systems, networks, and services run seamlessly and securely. This profession is ideal for problem-solvers who thrive on maintaining stability and enabling productivity across all departments. As businesses increasingly rely on complex digital ecosystems, the demand for skilled IT Administrators continues to grow, offering a stable and rewarding career path with diverse opportunities across virtually every industry.

Professionals in this role typically manage and maintain an organization's entire IT landscape. Their common responsibilities are vast and vital. They are tasked with installing, configuring, and updating hardware and software, including servers, network devices, and operating systems. A significant part of their day involves monitoring system performance to ensure everything operates without interruption and troubleshooting any issues that arise, from a single user's login problem to a critical network outage. They implement robust security measures, manage firewalls, deploy antivirus software, and conduct regular backups to protect sensitive data from loss or cyber threats. Furthermore, IT Administrators are responsible for user account management, providing technical support to employees, and documenting system configurations and procedures for consistency and knowledge sharing.

To excel in IT Administrator jobs, a specific set of skills and qualifications is typically required. A bachelor's degree in Information Technology, Computer Science, or a related field is a common foundation, though relevant experience and certifications can also be highly valued. Employers consistently look for proven expertise in managing Windows Server or Linux environments, deep understanding of network protocols (TCP/IP, DNS, DHCP), and proficiency with virtualization technologies like VMware or Hyper-V. Strong knowledge of cybersecurity principles is non-negotiable. Beyond technical prowess, exceptional problem-solving and analytical skills are essential for diagnosing and resolving complex issues efficiently. Excellent communication skills are also critical, as IT Administrators must translate technical jargon into understandable terms for non-technical colleagues and work collaboratively within a team. If you are a detail-oriented individual with a passion for technology and a knack for keeping complex systems running smoothly, exploring IT Administrator jobs could be the perfect next step in your career. This role places you in a pivotal position, directly contributing to an organization's operational success and technological resilience.