9 linux administrator jobs at 8 companies in Denison, TX
1mo
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Linux System Administrator
Allen, Texas, United States
OnsiteFull Time
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
5d
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Senior Systems Administrator
Frisco, Texas, United States
OnsiteFull Time
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
1w
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Principal System Administrator
McKinney, Texas, United States
$87k-$165k/yr OnsiteFull Time
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)
2mo
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Lead, Systems Engineering - Database DevOps (39043)
Greenville, Texas, United States
OnsiteFull Time
7+ YOEDesign and implement DevOps practices for database systems; Linux administration; scripting and automation; experience with MySQL/PostgreSQL/MongoDB/Oracle; CI/CD and cloud platforms; ability to obtain DoD Secret clearance.
Linux, Red Hat, MySQL, PostgreSQL, MongoDB, Oracle, EMR, Python, Bash, PowerShell, Ansible, Chef, Puppet, Oracle, AWS, Azure, GCP, Docker, Kubernetes, Terraform
3w
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Data Center Technician
Allen, Texas, United States
$80k-$90k/yr OnsiteFull Time
2+ YOE2+ years data center experience, Linux administration, networking (Ethernet, InfiniBand), familiarity with power/cooling/DCIM and structured cabling, ability to support 24/7 operations and participate in on-call rotation.
Linux, Ethernet, InfiniBand, DCIM, Dell, Nvidia
1mo
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Information Systems Security Officer (ISSO) - Network Engineer
Greenville, Texas, United States
$145k-$159k/yr OnsiteFull Time
12+ YOETS/SCI citizenship required; extensive network and infrastructure engineering experience with routing, switching, firewalls, Windows/Linux administration, virtualization, and security compliance; bachelor's degree and Security+ or higher.
Cisco, Juniper, VMware vSphere, Microsoft Hyper-V
1mo
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Endpoint Security Engineer
Frisco, Texas, United States
$93k-$153k/yr HybridFull Time
5+ YOE5+ years cybersecurity experience with endpoint protection; experience with CrowdStrike, Zscaler, Microsoft, cloud (AWS/GCP/Azure), Windows/Mac/Linux administration, EDR/DLP/ZTNA/SWG implementations, networking fundamentals, and strong communication.
CrowdStrike, Microsoft, Zscaler, AWS, GCP, Azure, EDR, DLP, ZTNA, SWG, TCP/IP, DNS, SSL
1w
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Technology Support Lead - IBM MQ Engineer
Plano or Houston or Jersey City
$143k-$190k/yr OnsiteFull Time
5+ YOE5+ years IT experience, IBM MQ administration in enterprise production, AI-driven observability for MQ, ITIL processes, Unix/Windows administration, strong troubleshooting and communication skills.
IBM MQ, ITIL, Unix, Windows, Python, Java
4d
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Systems Engineer
Frisco, Texas, United States
OnsiteFull Time
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