19 linux system administrator jobs at 11 companies in Sherman, TX
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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
2d
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Linux System Administrator- Must have a active TS/SCI Poly clearance
Richardson, Texas, United States
$69k-$131k/yr OnsiteFull Time
2+ YOEActive transferable TS/SCI with CI Poly, DoD 8570 IAT Level 2 (or higher), bachelor’s degree with 2+ years relevant experience, Red Hat and VMware administration, and ability to support after-hours/on-call work.
Red Hat Enterprise Linux, VMware ESXi, VMware vCenter, Amazon Web Services (AWS), Terraform, Ansible, Chef, Bash, Python, LDAP
1w
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PWE Linux Systems Administrator (Onsite)
Richardson, Texas, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive DoD Secret clearance, U.S. citizenship, 5+ years Linux systems administration (RHEL/Ubuntu), virtualization, networking, NIST 800-53 knowledge, automation (Ansible) and ability to obtain IAT Level II.
Red Hat Enterprise Linux (RHEL), Ubuntu Server, Ansible, VMware
6d
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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)
2d
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Principal Linux System Administrator- Must have a active TS/SCI Poly clearance
Richardson, Texas, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive transferable TS/SCI with CI Poly, bachelor’s+5yrs or master’s+3yrs experience, DoD 8570 IAT Level 2, RHEL and VMware administration, security hardening, and troubleshooting.
Red Hat Enterprise Linux, RPM, VMware ESXi, vCenter, Amazon Web Services (AWS), Terraform, Ansible, Chef, Bash, Python
1w
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Teamcenter System Administrator/Support (Hybrid)
El Segundo or Cedar Rapids or Charlotte or Tucson or Richardson
$63k-$120k/yr HybridFull Time
0+ YOETeamcenter 14.x/2506 administration experience, TEM/BMIDE/OTW/AWC knowledge, Linux/Windows and Oracle/SQL familiarity, U.S. citizenship, ability to work Pacific Time hours including weekends and after-hours.
Teamcenter, TEM, BMIDE, OTW, AWC, T4S, Red Hat Linux, Windows, Oracle, SQL, NX, NX Manager, AWS
3w
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IT Administrator II
Plano, Texas, United States
OnsiteFull Time
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
2mo
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Administrator, Systems Operator, SA
Dallas, Texas, United States
OnsiteFull Time
Associate degree or 4 years apprenticeship in Robotics/Mechatronics/Electrical; experience with automated systems, Linux, Java, XML, SQL, and PLCs.
Linux, Java, XML, SQL, Database administration, PLC, Industrial PC
1w
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Principal Systems Administrator
McKinney, Texas, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive transferable DoD Secret clearance and U.S. citizenship required; typically 5+ years related experience (or advanced degree +3); Windows Server, AD, DNS, DHCP, backup, RAID, security hardening, and troubleshooting skills; DoDD 8140/8570 certification within 6 months; scripting and Linux preferred.
Windows Server, Windows, DNS, DHCP, Active Directory (AD), RAID, SCAP, STIGs, Linux
3w
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RDL Jump Host Admin
San Jose or Richardson or Thailand or Shanghai or Songshan Lake or Penang or Guindy
OnsiteFull Time
4+ YOE4+ years Linux system administration, bachelor’s in related field or equivalent, expertise in Linux hardening, SSH/PAM, structured logging, virtualization, and export-control compliance; preferred security/sysadmin certifications.
Rocky Linux, RHEL, CentOS, Ubuntu, Bash, Python, sshd_config, PAM, Rsyslog, Journald, Zscaler ZTNA, CyberArk vPAM, VPN, VMware ESXi, vCenter, vSphere, Microsoft Hyper-V, CrowdStrike, ServiceNow, ClearPass
1mo
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Jump Host Admin (Penang, 07, MY)
Penang or Bayan Lepas or Malaysia or Asia or San Jose or Richardson or Thailand or Shanghai or Songshan Lake or Chennai
HybridFull Time
4+ YOELinux system administration (Rocky, RHEL, CentOS, Ubuntu), secure jump host administration, SSH/PAM expertise, audit logging (Rsyslog/Journald), virtualization (VMware/Hyper-V), Zscaler and CyberArk integration, scripting (Bash, Python), and 4+ years of relevant experience.
Rocky Linux, RHEL, CentOS, Ubuntu, Bash, Python, CIS (Center for Internet Security), CrowdStrike, ServiceNow, ClearPass, VMware vSphere, VMware ESXi, VMware vCenter, Microsoft Hyper-V, Pluggable Authentication Modules (PAM), SSH, Rsyslog, Journald, Zscaler ZTNA, CyberArk vPAM, VPN
1mo
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Research & Development Lab Network Admin (Penang, 07, MY)
Penang or San Jose or Richardson or Thailand or Shanghai or SongShan Lake or Chennai or Malaysia or Asia
HybridFull Time
4+ YOE4+ years network/system administration experience, bachelor's degree or equivalent, expertise with Cisco, Check Point, SilverPeak, VMware/Microsoft Hyper-V, Linux (Rocky/CentOS/Ubuntu), CyberArk, Zscaler, secure file transfers (SFTP/SCP/rsync), and strong operational discipline for air-gapped lab networks.
Checkpoint 3980, SilverPeak SD-WAN, Cisco Catalyst 9400, Cisco Catalyst 9200, Celestica DS2000, Celestica ES1500, Aruba 755, CyberArk vPAM, Zscaler ZTNA, Zscaler App Connectors, Apache, Nginx, SFTP, SCP, rsync, VMware vSphere, Microsoft Hyper-V, Rocky Linux, CentOS, Ubuntu, bash, ServiceNow, CrowdStrike, Threat Locker, Big Fix, ClearPass NAC
1mo
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Research & Development Labs Network Admin (Richardson, TX, US)
Richardson or San Jose or Thailand or Shanghai or Songshan Lake or Penang or Chennai
OnsiteFull Time
4+ YOE4+ years network or system administration experience managing secure/segmented networks; hands-on skills with Cisco, Check Point, Linux, CyberArk, Zscaler, VMware/Hyper-V, secure file transfer and local repo hosting; bachelor's degree or equivalent experience.
Checkpoint 3980 Firewalls, SilverPeak SD-WAN, Cisco Catalyst 9400, Cisco Catalyst 9200, Cisco Nexus, Celestica DS2000, Celestica ES1500, Apache, Nginx, SHA-256, CyberArk, Zscaler ZTNA, Zscaler App Connectors, VMware vSphere, Microsoft Hyper-V, SFTP, SCP, rsync, CrowdStrike, Threat Locker, BigFix, ServiceNow Agents, ClearPass NAC
1mo
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Concentra Engineer II Systems
Addison, Texas, United States
OnsiteFull Time
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
2mo
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Cloud Systems Engineer- Staffing
Plano, Texas, United States
OnsiteTemporary
10+ YOESenior Linux administrator with automation focus; 10–12 years exp; Linux, scripting, OpenStack/Kubernetes, backups, security, and cloud infra automation.
Linux, OpenStack, Kubernetes, Python, Bash, Perl, Ansible, Puppet, Chef, Backup storage systems
1mo
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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
1mo
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Site Reliability Engineer
Plano or Dallas
OnsiteFull Time
2+ YOEBachelor's in telecommunications/computer engineering, 2+ years systems or mobile network operations experience; deep Unix/Linux administration, GCP experience, Terraform/Ansible, Python/Go scripting, SAN/NAS storage protocols, observability tooling.
GCP (IAM, VPC, Compute Engine), Terraform, Ansible, Python, Go, Prometheus, Grafana, Loki, NetApp, Dell/EMC, Pure Storage, Fiber Channel, iSCSI, NFS
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
3w
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Technology & Process Solutions Specialist
Dallas, Texas, United States
$30-$42/hr OnsiteFull Time
Proven system administration/IT analyst experience, knowledge of cloud/SaaS (Salesforce, Dropbox, Notion, Microsoft 365), user management, data governance, strong problem-solving and communication; bachelor's in IT/CS or equivalent.
Salesforce, Dropbox, Notion, Microsoft 365, Windows, MacOS, Linux
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