88 systems administrator jobs at 60 companies in Devine, TX
3mo
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
2+ YOEExperience with Windows and Linux server operations, sustainment, and management; DoD SECRET clearance; 2 years related experience; Bachelor or Master degree with related experience.
Windows Server, Linux (Red Hat Enterprise Linux), VPN, Active Directory, SCCM, SQL, MySQL, SELinux, DNS, VMware, ESXi, vCenter, vSphere, Networking devices, Firewall
2mo
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Systems Administrator
Tacoma or Aurora or San Antonio or Falls Church
OnsiteFull Time
8+ YOE8+ years experience in mobile application deployment, 4‑year degree in IT/math or equivalent, active IAT II and CE certifications to meet DoD 8570/8140, U.S. citizenship, and experience with web development technologies and secure DoD environments.
HTML, CSS, JavaScript, React, Angular, Vue, ASP.NET, C#, Sitecore, SQL, MVC5, PWAs, Jira
1mo
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
4+ YOE4+ years implementing/supporting Active Directory and Group Policy, intermediate PowerShell, advanced Windows, intermediate Linux, 2+ years virtual infrastructure preferred, HS required, TX driver license required.
PowerShell, Windows Desktop, Windows Servers, Linux, Active Directory, GPO, Azure, VMware, vSphere, Okta, Veeam, Event Collection, Remote Desktop Services, Citrix, BitLocker, Domain Management, RIS, PACS, Mirth, Qvera, MEDQ, NAS, SAN, UPS
1mo
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
4+ YOE4+ years implementing and supporting Active Directory/GPO, experience with BitLocker, backup/DR, virtualization, PowerShell, Windows and Linux; must hold valid Texas driver license and be able to drive company vehicle.
PowerShell, Active Directory, GPO, Azure, VMware, vSphere, Okta, Veeam, Event Collection, Remote Desktop Services, Citrix, BitLocker, Windows, Linux, RIS, PACS, Mirth, Qvera, MEDQ, NAS/SAN, UPS
2w
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Systems Administrator II
San Antonio, Texas, United States
OnsiteFull Time
3+ YOEActive TS/SCI clearance, Bachelors or equivalent in IT-related field, CASP+/SecurityX/PMP/CAPM/Project+, 3+ years administering enterprise Windows/Linux, AD, virtualization, patching, backup, and endpoint support.
Windows, Linux, VMware, Active Directory, Group Policy, PowerShell, Bash, DISA STIGs
1w
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Principal Cyber Systems Administrator (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$99k-$155k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph, HS+10yrs or Bachelor's+5yrs, experience implementing/troubleshooting/maintaining IT systems, Tier1/2 support, UNIX and Windows administration, system monitoring and capacity planning.
UNIX, Windows
6d
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IT Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
3+ YOE3+ years administering Microsoft 365 and Azure/Entra ID, experience with conditional access/MFA, endpoint security, Citrix VDI, PowerShell scripting, and vendor management; willingness for after-hours escalation and travel for site buildouts.
Microsoft 365, Exchange Online, SharePoint, Microsoft Teams, OneDrive, Azure, Entra ID, CrowdStrike, Qualys, Citrix, Intune, Windows Autopilot, PowerShell, Microsoft Graph API, Copilot, Claude
1w
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Principal Cyber Systems Administrator (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$99k-$155k/yr OnsiteFull Time
5+ YOETS/SCI with Polygraph required, HS+10yrs or Bachelor's+5yrs experience, experience administering UNIX/Windows, Tier 1/2 support, troubleshooting, system optimization, and user assistance.
UNIX, Windows
1mo
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Senior AWS Cloud Systems Operations Administrator - United States
San Antonio, Texas, United States
OnsiteFull Time
10+ YOETS/SCI clearance required; 10+ years IT/system administration experience with Microsoft and Linux platforms; expertise deploying, managing, and operating AWS workloads, EKS/Kubernetes, and security/compliance; relevant certifications preferred.
AWS Management Console, AWS Command Line Interface (CLI), Kubernetes, EKS, Diode, Lambda, RHEL, STIG, AWS Well-Architected Framework
1w
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System Administrator
San Antonio, Texas, United States
OnsiteFull Time
5+ YOE5+ years systems administration experience preferred, bachelor\u0002s in a technical discipline, active security clearance with polygraph, ability to manage UNIX/Windows systems, Tier 1/2 support and troubleshooting.
UNIX, Windows
1mo
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System Administrator – Journeyman
San Antonio, Texas, United States
$85k-$100k/yr RemoteFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
4+ YOEBachelor's (or equivalent) and 4+ years system administration experience; Windows/Linux server management, monitoring, patching, backups, automation with PowerShell/Bash/Python; active Secret clearance and US citizenship required.
Nagios, Splunk, CloudWatch, PowerShell, Bash, Python, VMware, AWS, Azure, Ansible, Terraform
1w
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Linux System Administrator
San Antonio, Texas, United States
$110k-$190k/yr OnsiteFull Time
10+ YOE10+ years system administration experience, Linux administration, enterprise infrastructure support, strong troubleshooting and communication, ability to work independently in mission-focused environments, TS/SCI with polygraph required.
Linux
1w
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Windows Systems Administrator and Vulnerability Management Coordinator
Kansas City or San Antonio or Idaho Falls
OnsiteFull Time
6+ YOE6+ years experience supporting Windows Server and hybrid cloud environments with PowerShell and Ansible; ability to obtain Public Trust; experience with Active Directory, VMware, Azure, and vulnerability remediation.
VMware vSphere, Azure Monitor, Azure Update Management, Defender for Cloud, Azure VMware Solution (AVS), Microsoft Azure, Active Directory, DNS, DHCP, Group Policy, PowerShell, Ansible, GitLab, Carbon Black, CyberArk, Defender, Remedy, ServiceNow, AWS, GCP
2mo
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Intermediate System Administrator
San Antonio or Fort Meade
OnsiteFull Time
10+ YOE10+ years IT systems administration on Windows and Linux; AWS maintenance; Kubernetes; Docker; Terraform; Helm; Ansible; CI/CD; GitLab; Kustomize; IAT Level II; Security+; CISSP; TS/SCI eligibility
Kubernetes, Docker, AWS, Azure, Google Cloud, Linux, Windows, Helm, Terraform, Ansible, Vault, CI/CD, GitLab, Kustomize
2mo
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Red Hat Linux System Administrator
San Antonio, Texas, United States
OnsiteFull Time
Windows and Linux system administration; hardware/software management; patching and security; accreditation docs OV1-OV3; vulnerability scanning; CLI proficiency.
Red Hat Linux, Windows Server, STIG, SCAP, SIEM, HIDS, NIDS
1mo
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Senior System Administrator
San Antonio, Texas, United States
$34-$58/hr OnsiteFull Time
6+ YOEBachelor's degree (or equivalent experience), 6+ years programming and system analysis experience, proficiency in one or more programming languages, experience with enterprise applications, databases, and operating systems listed, and ability to provide technical guidance and project management.
PeopleSoft, Lawson, ERP, IDX, Softmed, 3M, OnBase, Portal, Cerner Lab, Cerner Pharmacy, RIS, Eclipsys, Quavodex, Microsoft Office, Crystal, HIM, TCP/IP, FTP, ASP, Business Objects, Visual Basic, SQL, C++, Mumps, Microsoft SQL, Sybase, Oracle, Windows 2003, Windows Data Center, XP, UNIX, Cache
5d
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LogiCole System Administrator Jr. - Remote/Hybrid
San Antonio, Texas, United States
RemoteFull Time, Contract
4+ YOERequires 4+ years of LogiCole system administration experience, DMLSS support skills, a bachelor's degree preferred, and Secret clearance eligibility.
LogiCole, Defense Medical Logistics Standard Support (DMLSS)
2mo
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Systems Engineer / System Administrator for Managed Service Provider
San Antonio, Texas, United States
OnsiteFull Time
5+ YOEBS in CS/Engineering or 5+ yrs exp; extensive PC ops knowledge; experience with monitoring/automation; experience with firewall, cloud, networking, SQL, and Windows Server.
Sophos Firewall, Meraki Firewall, Office 365, Microsoft 365, Azure Virtual Desktop, RDS, SQL Server, Windows Server
2w
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Senior Application Administrator (Onsite)
San Antonio or Houston or Austin or Plano
OnsiteFull Time
5+ YOE5+ years application administration, bachelor's in IT/CS or equivalent, strong Power Automate and SharePoint experience, Python familiarity, enterprise application integration and system design skills, ability to mentor junior staff.
Power Automate, SharePoint, Python, SQL
1w
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Dayforce System Administrator
San Antonio, Texas, United States
$102k/yr OnsiteFull Time
3+ YOE3+ years Dayforce administration, Dayforce configuration and integrations experience, strong HR/payroll/process knowledge, bachelor's degree, analytical and troubleshooting skills.
Dayforce, SFTP, API
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