10 linux systems administrator jobs at 9 companies in Gainesville, TX

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Linux System Administrator
Allen, Texas, United States
OnsiteFull Time
PFS
PFSNYSE: GXO: Provides order fulfillment and commerce operations for global brands.
5+ YOE5+ years Linux experience (SLES, RHEL, CentOS), 2+ years Splunk admin/architect experience including Enterprise Security and PCI, basic networking knowledge, ability to pass federal Level I background check, high school diploma or GED.
Splunk, Raspberry Pi, EC2, EBS, ALB, EFS, Lambda, Connect, VMware, F5 LTM, DNS/GTM, APM, ASM
1w
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Senior Systems Administrator
Frisco, Texas, United States
OnsiteFull Time
Dallas Cowboys
Dallas Cowboys: Professional football franchise and diversified business conglomerate.
7+ YOERequires 7+ years of systems administration experience with enterprise servers and storage, ITIL-based incident and change management, troubleshooting, collaboration, and Windows, Linux, virtualization, cloud, backup, and scripting expertise.
Active Directory, Microsoft Entra ID, Microsoft Azure, Microsoft 365, Microsoft Exchange Online, DNS, SSL, HPE, VMware, Hyper-V, KVM, Windows, Linux, Microsoft PowerShell, ITIL
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Systems Administrator
Addison, Texas, United States
OnsiteFull Time
Zenner USA
Zenner USA: Manufacturer of water, gas, and thermal energy meters.
3+ YOERequires 3+ years supporting or administering Windows servers and clients, MS Office support experience, and strong communication and customer service skills. Linux, Microsoft 365, MS SQL Server, and RMM experience preferred.
Microsoft Windows, Microsoft Office, Linux, Microsoft 365, Microsoft SQL Server, RMM, Exchange, PBX
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IT Administrator II
Plano, Texas, United States
OnsiteFull Time
CCIntegration
CCIntegration: Provides custom server appliances and rack infrastructure integration.
3+ YOE3+ years IT support/systems administration experience; manage Windows/Linux servers, AD, Group Policy, networking, endpoint management, NIST/CMMC compliance, and provide onsite user support.
Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Windows Server, Active Directory, Group Policy, Linux, Hypervisor, Intune, SCCM, Microsoft 365, Azure, Azure Government, GCC High, VPN
1w
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Principal System Administrator
McKinney, Texas, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEActive transferable Top Secret clearance and U.S. citizenship required; typically 5+ years systems administration experience or 3+ with advanced degree; experience with Red Hat Enterprise Linux, Windows Server, virtualization, backup/recovery, and scripting; CompTIA Security+ CE within 6 months.
Red Hat Enterprise Linux, Active Directory, Microsoft WSUS, VMware, BackupExec, NetBackup, Windows, Linux, VMWare vCenter, vSphere, Splunk, ESX, PowerShell, Bash, Microsoft SCCM, Microsoft Exchange, NAS, SAN, High Performance Computing (HPC)
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Concentra Engineer II Systems
Addison, Texas, United States
OnsiteFull Time
Concentra
ConcentraNYSE: CON: Provider of occupational health, urgent care, and physical therapy.
5+ YOEBachelor's in Computer Engineering/Computer Science, 5+ years systems engineering experience with Windows Server, Active Directory, Linux, virtualization, cloud administration, scripting, monitoring, backup, and security compliance.
Microsoft Windows Server, Active Directory, AD FS, DNS, Linux, Microsoft 365, Microsoft Entra ID, Microsoft Exchange, Microsoft Exchange Online, Microsoft Intune, Microsoft Teams, Microsoft 365 Apps, Hybrid Active Directory, Citrix DaaS, Citrix, PowerShell, Python, Bash, Dynatrace, PRTG, SolarWinds, VMware, Azure, AWS, Microsoft OneDrive, Microsoft SharePoint Online, Dynamics 365, Graph
6d
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Systems Engineer
Frisco, Texas, United States
OnsiteFull Time
Dallas Cowboys
Dallas Cowboys: Professional football franchise and diversified business conglomerate.
7+ YOESeven years of systems engineering or senior administration experience across physical, virtual, cloud, and SaaS infrastructure; ITIL experience, complex troubleshooting, project collaboration, and after-hours event support required.
HPE ProLiant, HPE Alletra MP, HPE GreenLake Cloud Platform, VMware vCenter 8, VMware VVF/VCF 9, Hyper-V, KVM, Microsoft Active Directory, Microsoft Entra ID, Microsoft 365, Microsoft Azure, Microsoft Exchange Online, Microsoft Intune, Google Cloud Platform, Proofpoint, Windows, Linux, DNS, DHCP, VLAN, NAT, NLB, NDES, SCEP, 802.1X, PKI, SSL, JAMF, Apple Business Manager, Android, Microsoft Duo, Microsoft PowerShell, ITIL
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NSA Hybrid Technical Specialist
Dallas, Texas, United States
$64k-$119k/yr OnsiteFull Time
Nokia
NokiaNYSE: NOK: Sells telecommunications infrastructure and software for global network operators.
Bachelor’s in IT/CS or equivalent, system administration in hybrid on‑prem/cloud, Windows Server/Linux/virtualization, cloud platform experience, scripting (PowerShell/Bash/Python), networking fundamentals, and familiarity with NIST/RMF.
Windows Server, Linux, VMware, Hyper-V, AWS, Azure, GCP, Terraform, Docker, Kubernetes, SAN, NAS, PowerShell, Bash, Python, Ansible, Puppet, Chef, NIST, RMF
3w
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Supervisor, IT (31497)
Southlake, Texas, United States
$65-$80/hr OnsiteFull Time
The Specialty Alliance
The Specialty Alliance: Provides operational and administrative support to specialty medical practices.
4+ YOE4+ years technical support/systems administration experience; proficiency with Intune, Windows Server, Unix/Linux; pursuing systems administration certification (Microsoft or VMware); strong communication and customer-focused skills.
Intune, VMware, Microsoft, Windows Server, Unix, Linux
1w
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Sr. Cloud Architect
Addison or Montpelier
$137k-$161k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
15+ YOE5+ Mgmt15+ years infrastructure experience, 5+ years technical team leadership, 6+ years public cloud (Azure preferred), Kubernetes, Terraform, automation, networking and systems administration skills.
Terraform, PowerShell, Python, Azure DevOps, Jenkins, GitHub, Azure Container Services (ACS), Azure Kubernetes Service (AKS), Azure Active Directory, Application Gateways, Azure DNS, Storage Accounts, Virtual Networks, ExpressRoute, Monitor, Log Analytics, Cost Management, Azure CLI, Azure Cloud Shell, Azure Resource Groups, App Services, CosmosDB, Blob, GitHub Actions, Red Hat OpenShift, Kubernetes, Docker, Azure App Services, Functions, Azure SQL, Key Vault, DataLake, EventHub, VMWare, Hyper-V, Azure, GCP, AWS, CDN, SD Wan, WAF, Windows, Linux, Active Directory, SCCM