18 linux system administrator jobs at 12 companies in Selma, TX

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Linux System Administrator
San Antonio, Texas, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
10+ YOE10+ years system administration experience supporting enterprise IT infrastructure; Linux administration, troubleshooting, performance monitoring, and systems implementation; TS/SCI clearance with polygraph required.
Linux
2mo
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Red Hat Linux System Administrator
San Antonio, Texas, United States
OnsiteFull Time
G6 Cyber Solutions
G6 Cyber Solutions: A technology solutions provider focused on national security and military operations.
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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Operations Linux System Administrator - Web/DB/Cloud
San Antonio, Texas, United States
$111k-$120k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
3+ YOEBachelor's (5+ yrs) or Master's (3+ yrs) in a relevant field, Top Secret/SCI clearance with polygraph, IAT Level II certification (e.g., CompTIA Security+, GSEC, SSCP, CCNA-Security), Red Hat Linux, databases, cloud (AWS/Azure/GCP), STIGs, Ansible, Docker/Kubernetes, Terraform/CloudFormation.
Red Hat, PitBull, PostgreSQL, Oracle, MySQL, MariaDB, AWS, Microsoft Azure, Google Cloud Platform, Apache, NGINX, Tomcat, Docker, Kubernetes, Ansible, Ansible Tower, Ansible Automation Platform (AAP), Red Hat Satellite, Terraform, CloudFormation
23h
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System Administrator
San Antonio, Texas, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
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
3w
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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
2mo
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Intermediate System Administrator
San Antonio or Fort Meade
OnsiteFull Time
Semper Valens Solutions
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
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
1mo
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Intermediate System Administrator -- JCC2-R
Fort Meade or San Antonio
OnsiteFull Time
Semper Valens Solutions
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
10+ YOE10+ years IT systems administration on Microsoft and Linux; 2+ years AWS maintenance; IAT Level II; production Kubernetes and Docker experience; proficiency with Helm, Terraform, Ansible, Vault, GitLab, Kustomize and CI/CD.
Kubernetes, Docker, Helm, Terraform, Ansible, Vault, GitLab, Kustomize, CI/CD, AWS, Azure, Google Cloud, Linux, Microsoft, STIG
1mo
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Senior System Administrator
San Antonio, Texas, United States
$34-$58/hr OnsiteFull Time
University Health
University Health: Provides comprehensive public healthcare and specialized hospital services.
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
1mo
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Senior System Administrator
San Antonio, Texas, United States
$34-$58/hr OnsiteFull Time
University Health
University Health: Provides comprehensive public healthcare and specialized hospital services.
6+ YOEBachelor's in related field (or equivalent experience), 6+ years programming and system analysis, proficiency in at least one programming language and data management on hospital platforms; experience with PeopleSoft/ERP and database/OS technologies.
PeopleSoft, Lawson, 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
1mo
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Operational Database System Administrator
San Antonio, Texas, United States
$101k-$110k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
5+ YOE5+ years Oracle DBA experience (Oracle 19c+), proficiency with SQL/PL/SQL and Red Hat Linux, strong troubleshooting and communication skills, ability to obtain TS/SCI clearance and CompTIA Security+ (IAT Level II) within six months.
Oracle 19c, Oracle GoldenGate, Oracle Label Security, SQL, PL/SQL, Red Hat Linux, ESXi
1mo
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Appian System Administrator - RES
Canyon Lake, Texas, United States
RemoteFull Time
Semper Valens Solutions
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
5+ YOE5+ years technical experience; 2+ years Appian development or 1–2+ years Appian administration; 2–3 years AWS; proficiency with Git/GitHub and Jenkins; ability to obtain Public Trust clearance.
Appian, AWS GovCloud, EC2, S3, RDS, IAM, CloudWatch, Git, GitHub, Jenkins, JBoss, Tomcat, Linux, Windows
1mo
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
Gonzaba Medical Group
Gonzaba Medical Group: Provides primary and specialty medical care services for patients.
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
1mo
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
Gonzaba Medical Group
Gonzaba Medical Group: Provides primary, specialty, and urgent medical care services.
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
1w
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Systems Administrator II
San Antonio, Texas, United States
OnsiteFull Time
IPSecure
IPSecure: Provides cybersecurity and incident response services for government agencies.
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
2mo
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
Apriva
Apriva: Secure mobile payment and classified communication technology provider.
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
1mo
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Senior AWS Cloud Systems Operations Administrator - United States
San Antonio, Texas, United States
OnsiteFull Time
Maximus
MaximusNYSE: MMS: Provides government health and human services program administration.
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
2mo
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VCF Platform Engineer 1
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
3+ YOEMinimum 3 years in infrastructure operations/virtualization or systems administration; hands-on VMware vSphere and ESXi host/cluster management; Linux and Windows Server administration; scripting/automation with PowerCLI, Python, or Ansible; familiarity with IaC and datacenter concepts.
SDDC Manager, vSphere, vSAN, NSX, PowerCLI, Python, Ansible, ESXi, Linux, Windows Server
2w
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Mis Systems Admin Analyst
San Marcos, Texas, United States
$65k/yr OnsiteFull Time
McCoy's Building Supply
McCoy's Building Supply: Retailer of lumber, building materials, and farm equipment.
3+ YOE3+ years IT systems administration experience; proficiency with Windows Server, virtualization, networking, cloud, scripting; valid driver’s license and ability to travel overnight.
Windows Server, Active Directory, TCP/IP, DHCP, DNS, VMware, Virtual Desktop Access (VDA), Hyperconverged Infrastructure (HCI), Storage Area Networks (iSCSI), FC, Azure, Google Cloud, Linux, Red Hat, Debian