Job offers - CrawlJobs

Systems Administrator United States Jobs (On-site work)

114 Job Offers

Systems Administrator
Save Icon
Apollo Mechanical seeks a skilled Systems Administrator in Denver to ensure server stability, security, and scalability. You will manage Windows Server 2016-2022, Hyper-V, Active Directory, and SAN storage. Key requirements include 3+ years of experience with SQL Server maintenance, Veeam backups...
Salary Icon
Salary
Not provided
apollomech.com Logo
Apollo Mechanical Contractors
Expiration Date
Until further notice
Lead Systems Administrator
Save Icon
Lead Systems Administrator needed in Colorado Springs to lead IT infrastructure and a team of system administrators for a USSF customer. Requires a TS/SCI clearance, 5+ years of systems admin experience, and expertise in Windows Server, Linux/Unix, and virtualization. This leadership role offers ...
Salary Icon
Salary
96534.61 - 167854.95 USD / Year
arcfield.com Logo
Arcfield
Expiration Date
Until further notice
Systems Administrator 2
Save Icon
Amentum seeks a Systems Administrator 2 in Annapolis Junction, MD, to provide Tier 1/2 support for PKI tools. Requires a TS/SCI Poly, 10+ years of SA experience, and DoD 8570 IAT Level II certification. You will troubleshoot Windows/Linux issues, test new releases, and update SOPs. Benefits inclu...
Location Icon
Location
United States, Annapolis Junction
Salary Icon
Salary
Not provided
amentum.com Logo
Amentum
Expiration Date
Until further notice
Principal Systems Administrator
Save Icon
Principal Systems Administrator needed onsite in Annapolis Junction, MD. Leverage 15+ years of systems administration expertise to support critical Intelligence Community missions. Manage IT systems, resolve Tier 1/2 issues, and optimize enterprise operations. Requires active TS/SCI with Full Sco...
Location Icon
Location
United States, Annapolis Junction
Salary Icon
Salary
175000.00 - 205000.00 USD / Year
rivsol.com Logo
Riverstone Enterprise Solutions
Expiration Date
Until further notice
Dayforce HCM Systems Administrator
Save Icon
Seeking an experienced **Dayforce HCM Systems Administrator** for a contract-to-hire role in **Des Moines, Iowa**. You will optimize enterprise HR/payroll systems, resolve complex integrations, and ensure data integrity. Requires 5+ years in HCM/ERP administration with hands-on **Dayforce** exper...
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Senior Systems Administrator
Save Icon
Senior Systems Administrator needed in Jacksonville to optimize enterprise infrastructure across on-prem and hybrid cloud environments. Requires 7+ years of Windows Server, Active Directory, and VMware expertise, plus Azure and PowerShell skills. Lead modernization, patching, disaster recovery, a...
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Systems Administrator
Save Icon
We are seeking an experienced Systems Administrator for a high-volume, multi-site IT environment in White Bear Lake, MN. This hands-on role requires expertise in Windows Active Directory, Microsoft Entra ID, VMware, and PowerShell scripting. You will enhance system reliability, security, and auto...
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Systems Administrator
Save Icon
Seeking a **Systems Administrator** in **Aurora, CO** to provide Tier 2 support for mission-critical systems. Requires an active **TS/SCI with polygraph**, **Security+ CE**, and **UNIX/Linux** administration experience. You will maintain high availability across Solaris, Linux, and Windows, troub...
Salary Icon
Salary
100000.00 - 200000.00 USD / Year
go-ans.com Logo
Applied Network Solutions
Expiration Date
Until further notice
Systems Administrator
Save Icon
Seeking a Systems Administrator for a contract-to-permanent role in Omaha, NE. You will manage enterprise server and network infrastructure, focusing on Active Directory, Microsoft 365, and Windows Server. Ideal candidates have 2+ years of experience with backup technologies, DNS, and security mo...
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
GIS Systems Administrator
Save Icon
Seeking an experienced **GIS Systems Administrator** for upcoming contract roles in **Charlotte, NC**. You will support enterprise **ESRI** environments, including **ArcGIS Enterprise**, **ArcGIS Online**, and **Cityworks**. Key requirements include expertise in **SQL**, **Python**, **PowerShell*...
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
C++ Software Developer & Linux Systems Administrator
Save Icon
We are seeking a versatile C++ Software Developer & Linux Systems Administrator to join our team in Pittsburgh. You will design high-performance C++ applications for factory automation robots while managing Ubuntu Linux infrastructure and network security. The role requires expertise in Git, CI/C...
Salary Icon
Salary
Not provided
capsenrobotics.com Logo
Capsen Robotics
Expiration Date
Until further notice
Systems Administrator
Save Icon
We are seeking an experienced Systems Administrator for a long-term contract in Houston, Texas. You will maintain core IT infrastructure, including Active Directory, Windows Server, and Citrix environments. The role requires hands-on expertise with Dell hardware and Windows 10 support. Enjoy a co...
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Systems Administrator
Save Icon
We are seeking a Systems Administrator to optimize a benefits administration platform in Plymouth Meeting, PA. This role ensures reliable eligibility, enrollment, and premium billing processes while managing data exchanges with healthcare partners. Ideal candidates have experience with benefits s...
Salary Icon
Salary
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Systems Administrator
Save Icon
We are seeking a Systems Administrator with an Active Secret Clearance and 8+ years of Linux experience to manage secure, classified IT systems in Lexington. You will configure RedHat Enterprise Linux, VMware, and Dell hardware while ensuring compliance with STIGs and RMF. Key skills include Ansi...
Salary Icon
Salary
Not provided
aquila.technology Logo
Aquila Technology
Expiration Date
Until further notice

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.