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Systems Administrator United States Jobs

311 Job Offers

Systems Administrator
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Seeking a Systems Administrator in Charlotte to manage Windows Server, Active Directory, and enterprise user environments. You will handle user provisioning, patch management, and escalated technical support. This role offers medical benefits, 401(k), and requires 2-5 years of experience with tic...
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United States , Charlotte
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Robert Half
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Systems Administrator
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Join our team as a Systems Administrator in Ft Lauderdale. Manage Windows/Linux servers, virtualization (VMware/Hyper-V), and critical infrastructure like Active Directory. Utilize your scripting and troubleshooting skills in a collaborative IT environment. We offer comprehensive benefits includi...
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United States , Ft Lauderdale
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Robert Half
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Linux Systems Administrator
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Join our team in Philadelphia as a Linux Systems Administrator. You will deploy and maintain critical vCMTS and R-PHY systems, ensuring high availability in a 24/7 environment. We require 5-10 years of Linux administration and strong Cisco/Juniper networking expertise. This role offers comprehens...
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United States , Philadelphia
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Robert Half
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Systems Administrator
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Join our team in Sparta, Michigan as a Systems Administrator. Utilize your expertise in Microsoft platforms, Active Directory, and network troubleshooting to deliver tailored client solutions. We offer competitive compensation, comprehensive benefits, and free online training in a collaborative e...
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United States , Sparta
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Robert Half
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Systems Administrator
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Seeking a skilled Systems Administrator for a contract role in Nashville. You will manage Windows/Linux servers, network infrastructure, and security protocols. This position offers comprehensive benefits and requires strong troubleshooting and problem-solving skills.
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United States , Nashville
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Robert Half
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Systems Administrator
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Join our team as a Systems Administrator in Fort Worth. Provide vital technical support for Windows systems, networks, and video conferencing platforms like Zoom and Teams. We seek a skilled professional with 3+ years of experience, excellent communication, and customer service skills. Enjoy comp...
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United States , Fort Worth
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Robert Half
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Linux Systems Administrator
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Join our team as a Linux Systems Administrator in Roseville. Utilize your 5+ years of Linux, NFS, and virtualization (VMware/KVM) expertise to manage critical infrastructure. Automate tasks with Bash/Python/Ansible and provide excellent technical support. We offer comprehensive wellbeing benefits...
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United States , Roseville
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106000.00 - 243000.00 USD / Year
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Hewlett Packard Enterprise
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Travel Systems Administrator
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Seeking a detail-oriented Travel Systems Administrator in the San Francisco Bay Area. You will manage corporate travel logistics, administer the internal booking system, and handle expense reconciliation. The role requires 2+ years of admin experience, proficiency in MS Office, and strong organiz...
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United States , San Francisco Bay Area
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28.00 - 30.00 USD / Hour
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80Twenty
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Systems Administrator
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Join our mission-critical team in Reston, VA as a Systems Administrator. This role requires an active TS/SCI with Polygraph and expertise in VMware, scripting (PowerShell/Bash), and Active Directory. We offer competitive pay, generous benefits, and the chance to mentor junior staff in a dynamic e...
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United States , Reston
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AnaVation
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Systems Administrator
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Join ANS as a Systems Administrator in Fort Meade, MD. This role requires an active TS/SCI clearance with Polygraph and 10 years' experience managing AWS, Linux, and Windows systems. You will design, secure, and maintain critical solutions while enjoying top benefits like a 6% 401(k) match and ex...
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United States , Fort Meade, MD
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100000.00 - 165000.00 USD / Year
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Applied Network Solutions
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Linux Systems Administrator
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Seeking a Linux Systems Administrator in Fort Meade with an active TS/SCI Poly. This role requires 10 years' experience, VMWare/Linux expertise, and IAT certification. You will design, secure, and maintain critical custom solutions while enjoying top-tier benefits like a 6% 401(k) match and exten...
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United States , Fort Meade
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100000.00 - 165000.00 USD / Year
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Applied Network Solutions
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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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Aquila Technology
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Systems Administrator
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Join Bluestaq in Colorado Springs as a Staff Systems Administrator. Maintain and secure critical cloud/on-premise systems, ensuring 24/7 uptime for mission-driven work. Apply your Linux admin skills and problem-solving passion in a collaborative, growth-focused environment supporting vital indust...
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United States , Colorado Springs
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78000.00 - 92500.00 USD / Year
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Bluestaq
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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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Kubernetes Systems Administrator
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Seeking a Kubernetes Systems Administrator in Dayton to support NASIC's ATEP II program. This role requires 5+ years of Linux/Unix admin experience and involves system implementation, troubleshooting, and optimization. Desired skills include Docker, AWS, and Security+. We offer a comprehensive be...
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United States , Dayton
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Evanhoe & Associates
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Linux Systems Administrator
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Seeking a Linux Systems Administrator with an active TS/SCI clearance for an onsite role in Dayton. This position supports critical IT systems, requiring 5+ years' experience with RedHat/Linux and shift work. Enjoy robust benefits including 401(k) with immediate vesting and comprehensive medical ...
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United States , Dayton
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Evanhoe & Associates
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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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Systems Administrator
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Join Harbinger Motors as a Systems Administrator in Garden Grove. You will own and administer core platforms like Google Workspace, JumpCloud, Atlassian, and Slack across macOS, Windows, and Ubuntu. This role requires expertise in endpoint security, MDM, and supporting AV setups. We offer 100% co...
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United States , Garden Grove
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100000.00 - 120000.00 USD / Year
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Harbinger Motors
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Cloud Systems Administrator
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Seeking a Cloud Systems Administrator in Colorado Springs to support secure government programs. This role requires 2+ years of Windows/Linux admin experience and AWS cloud expertise. You will implement IaC with Ansible, manage security via STIGs, and troubleshoot complex systems. A technical deg...
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United States , Colorado Springs
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Knight Federal Solutions
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Tactical Integrator (Systems Administrator)
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Join Knight Federal Solutions as a Tactical Integrator in Newport, RI. You will design and integrate next-gen submarine training systems, focusing on Linux/network administration. This role requires Linux expertise (RHEL/CentOS), scripting skills, and system troubleshooting. Support critical unde...
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United States , Newport, RI
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Knight Federal Solutions
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About the Systems Administrator role

Explore a world of opportunity in Systems Administrator jobs, the backbone of modern IT infrastructure. Systems Administrators are the essential professionals responsible for installing, configuring, maintaining, and securing the critical computer systems that organizations rely on daily. This dynamic profession sits at the intersection of technology and operations, ensuring network services, servers, and data remain available, performant, and protected. Whether managing on-premises data centers, cloud environments, or hybrid systems, these experts are the troubleshooters and guardians of an organization's digital ecosystem.

The core responsibilities of a Systems Administrator are vast and vital. Typically, they involve the deployment and maintenance of server hardware and operating systems, such as Windows Server or various Linux distributions. Daily tasks include monitoring system performance, applying security patches and software updates, and managing user accounts and access permissions. A significant part of the role is ensuring robust backup procedures and disaster recovery plans are in place and tested to guarantee business continuity. Furthermore, Systems Administrators configure and manage essential network services like DNS, DHCP, email, and file sharing. They provide crucial technical support, resolving complex issues that end-users or automated alerts may escalate, and meticulously document system configurations and procedures for consistency and knowledge sharing.

The skill set required for Systems Administrator jobs is both technical and interpersonal. A strong foundational knowledge of operating systems, networking concepts (TCP/IP, routing, firewalls), and virtualization platforms (like VMware or Hyper-V) is paramount. Proficiency in scripting languages such as PowerShell, Bash, or Python is highly valued for automating repetitive tasks and improving efficiency. As security is paramount, understanding cybersecurity principles, implementing security policies, and conducting vulnerability assessments are standard expectations. Beyond technical prowess, successful Systems Administrators possess exceptional problem-solving and analytical abilities to diagnose and resolve issues under pressure. Clear communication skills are essential for collaborating with IT teams, explaining technical concepts to non-technical stakeholders, and creating clear documentation.

Typical requirements for entering this field often include a bachelor's degree in computer science, information technology, or a related field, though relevant experience and professional certifications can be equally compelling. Certifications from vendors like Microsoft (Azure, Windows Server), CompTIA (Security+, Network+), Red Hat (RHCSA), or Cisco (CCNA) are widely recognized and can significantly enhance a candidate's profile. Employers generally seek candidates with a proven track record of managing IT systems, a keen attention to detail, and a commitment to continuous learning in a rapidly evolving technological landscape. For those with a passion for problem-solving and a desire to ensure the seamless operation of critical technology, Systems Administrator jobs offer a challenging, rewarding, and stable career path with opportunities across every industry.