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267 linux administrator jobs at 159 companies in Texas

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2w
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Principal Linux System Administrator
McKinney, Texas, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEActive in-scope DoD Secret clearance and U.S. citizenship required; typically requires a bachelor’s and 5 years' relevant experience; Linux and Windows administration experience; AD/VMware/system hardening/disaster recovery experience; CompTIA Security+ CE or equivalent within 6 months.
RedHat Linux, Windows, Active Directory, VMware, LDAP, SCAP, Nessus, Splunk, Symantec
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1w
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HPC Linux System Administrator
Houston, Texas, United States
OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
5+ YOEBachelor's or equivalent, 5+ years experience (2+ in HPC), Linux administration, system configuration management, container-based HPC workflows, CI/CD, HPC scheduler administration, problem solving and teamwork.
RedHat-based systems, Docker, Podman, Apptainer, Luster, InfiniBand, Ansible, Foreman, SLURM, SPACK, Git, Gitlab, CI/CD
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1w
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HPC Linux System Administrator
Houston, Texas, United States
OnsiteFull Time
Jacobs
JacobsNYSE: J: Provides engineering, technical, and scientific professional services globally.
5+ YOEBachelor's or equivalent and ~5+ years experience; Linux and large-scale/HPC administration, container-based HPC workflows, CI/CD, job scheduler administration, problem solving and teamwork; US background check/citizenship may be required.
Linux, RedHat-based systems, Docker, Podman, Apptainer, Ansible, Foreman, SLURM, SPACK, Git, Gitlab, InfiniBand, CI/CD
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1w
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HPC Linux System Administrator
Houston, Texas, United States
OnsiteFull Time
Mclaurin Aerospace
Mclaurin Aerospace: Provides specialized aerospace engineering, research, and technical advisory services.
5+ YOE5+ years technical experience with Linux and large-scale system administration, including HPC, container workflows, CI/CD, schedulers; bachelor's degree or equivalent; strong problem solving and teamwork skills.
Docker, Podman, Apptainer, RedHat, Luster High-speed Parallel Filesystems, InfiniBand, Ansible, Foreman, SLURM, SPACK, Git, Gitlab, CI/CD
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1w
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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
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3mo
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Senior Linux System Administrator
Austin, Texas, United States
OnsiteFull Time
TISTA Science and Technology
TISTA Science and Technology: Delivers IT solutions and professional services to federal agencies.
5+ YOE5+ years of advanced Linux system administration; expertise in enterprise Linux environments; virtualization and cloud experience; scripting/automation skills; security/compliance knowledge; RHCE/LFCS/LFCE/AWS/Azure certs preferred
Bash, Python, Ansible, Puppet, Nagios, Zabbix, Prometheus, Red Hat Enterprise Linux, Solaris, AWS, Azure
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1mo
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Red Hat Linux System Administrator
Austin, Texas, United States
OnsiteFull Time
TISTA Science and Technology Corporation
TISTA Science and Technology Corporation: Provides technology and cybersecurity services to federal government agencies.
Experience with Linux system administration, Red Hat Enterprise Linux, scripting, networking, virtualization, and cloud platforms.
Linux, Red Hat Enterprise Linux, Shell scripting, Python, Ansible, Terraform, CI/CD, VMware, vSphere, Red Hat Virtualization, DNS, NFS, SSH, FTP, Apache, AWS, Azure, Cloud computing
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4w
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Linux Systems Administrator Tier 1 & 2 (HPC)
Dallas, Texas, United States
$120k-$150k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
5+ YOEU.S. citizen with active Top Secret/SCI, 5+ years Red Hat Enterprise Linux administration, Tier 1/2 support experience, DoD 8140 IAT Level II (Security+ CE), RHCSA/RHCE (or obtain within 6 months), BASH/Python scripting, VMware, RMF familiarity.
Red Hat Enterprise Linux, Lustre, Bright Cluster Manager, BASH, Python, VMware vSphere, RMF, HPC
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3d
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Senior Systems Administrator (Linux)
Houston, Texas, United States
OnsiteFull Time
Cheniere Energy
Cheniere EnergyNYSE: LNG: Produces and exports liquefied natural gas to global markets.
5+ YOE5+ years systems administration experience with Oracle/Red Hat Linux, OpenShift, backup and recovery, storage, scripting, vulnerability remediation, and enterprise system design; bachelor’s degree in CS or equivalent.
Oracle Linux, Red Hat Linux, OpenShift, Ansible, Nimble, Veeam, Exagrid, Bash, Oracle OLM/OSMH, ULN, yum, dnf, up2date, Kubernetes, Oracle RAC, Cisco UCS, VMware ESXi, Windows 2016 R2
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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
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1mo
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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
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2w
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Systems Administrator – UNIX / LINUX
San Marcos or Texas or Oklahoma or New Mexico
OnsiteFull Time
McCoy's Building Supply
McCoy's Building Supply: Retailer of lumber, building materials, and farm equipment.
5+ YOE5+ years administering UNIX/Linux in enterprise environments; experience with IBM Power/AIX, PowerVM/LPAR/VIOS, provisioning/patching, shell scripting (ksh/bash), backups, HA, networking, and on-call support; valid driver’s license and willingness to travel overnight.
IBM AIX, LINUX, IBM Power Systems, LPAR, VIOS, PowerVM, NIM, ksh, bash, cron, TCP/IP, TSM/Spectrum Protect, PowerHA, HACMP, Ansible, Chef, Python, Perl
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2mo
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Senior Linux Systems Engineer
Houston or Santa Clara
HybridFull Time
Hitachi
HitachiTokyo Stock Exchange: 6501: Global provider of digital systems and social infrastructure solutions.
5+ YOE5+ years Linux system administration, automation, Ansible, Python, shell scripting; Oracle databases; strong troubleshooting.
Ansible, Python, Shell scripting, Oracle database, Linux
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2mo
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Linux Systems Engineer
Houston, Texas, United States
OnsiteFull Time
Venus Aerospace
Venus Aerospace: Developing hypersonic aircraft and reusable rocket engine technologies.
3+ YOELinux systems administration (3–5+ years), Windows integration, Ansible automation, containerization, VM and cloud familiarity.
Linux (RHEL, Ubuntu), Active Directory, Ansible, Kickstart, cloud-init, Terraform, Docker, Podman, Kubernetes, VMware
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1mo
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System Administrator (Linux and Datacenter)
Austin, Texas, United States
OnsiteFull Time
Quantiq
Quantiq: Proprietary high frequency derivatives trading firm.
5+ YOE5+ years Linux admin experience; strong hardware, low-level software, and networking debugging; Bash and Python scripting; experience with Fedora, FreeIPA/OpenLDAP/OpenVPN, ZFS, DNS, and common networking tools.
Fedora Linux, Bash, Python, ping, ifconfig, telnet, wireshark, nmcli, FreeIPA, OpenLDAP, OpenVPN, DNS, ZFS, Gitea, Zulip, GRUB, PXE, Supermicro, Dell Servers
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3w
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L2 Cloud / Virtual OS Administrator (Windows/Linux)
Dallas, Texas, United States
OnsiteFull Time
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
7+ YOEBachelor's degree and 7+ years OS administration experience (Windows/Linux) with cloud/hybrid, AD/GPO, virtualization, patching, scripting (PowerShell/Shell), and EMR/ITSM familiarity.
Windows Server, RHEL, CentOS, Active Directory, Group Policy, IAM, VMware, Hyper-V, AWS, Azure, PowerShell, Shell scripting, ServiceNow
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4d
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HPC Data Center Linux IT Specialist
Houston, Texas, United States
HybridFull Time
Viridien
Viridien: Provides geoscience services, earth data, and seismic equipment.
3+ YOE3+ years Linux administration experience (HPC preferred), storage (SAN/NAS) and SLURM experience, scripting (Bash/Python/Perl), container and automation tooling, strong troubleshooting and documentation skills.
Puppet, Chef, Salt, Ansible, GitLab, Docker, SLURM, Bash, Python, Perl
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1mo
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Systems Administrator
Bryan, Texas, United States
$95k-$115k/yr OnsiteFull Time
Kent Moore Cabinets
Kent Moore Cabinets: Manufacturer and installer of custom residential cabinetry.
5+ YOE5+ years Windows/Linux systems administration; SQL Server administration; virtualization (VMware/Hyper-V/XCP-ng); Active Directory; scripting (PowerShell, Bash, Python); Docker and cloud (Azure/AWS) experience preferred.
Windows, Linux, XCP-ng, Docker, Azure, AWS, SQL Server (MSSQL), VMware, Hyper-V, Windows Active Directory, PowerShell, Bash, Python, SAN/NAS
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2mo
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IT Administrator
Childress, Texas, United States
OnsiteFull Time
IREN
IRENNASDAQ: IREN: Operates renewable-powered data centers for AI and Bitcoin mining
3+ YOE3-5 years IT administration or system support; Windows/Linux, networking, cloud; MS 365, Active Directory, virtualization; IT certs a plus; BS in CS/IT or equivalent.
Windows, Linux, Networking, Microsoft 365, Active Directory, Virtualization
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3mo
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System Administrator
Austin or Dallas
HybridFull Time
Sourceability
Sourceability: Digital distributor of electronic components and supply chain solutions.
5+ YOE5+ years systems administration experience with Windows Server, VMware/vSphere, and Linux VMs; networking fundamentals; production support, patching, and operational ownership required.
Windows Server, Linux, VMware vSphere, Microsoft Hyper-V, Ubuntu, Microsoft Azure, Cisco Meraki
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