32 linux system administrator jobs at 11 companies in Ballwin, MO
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
Credit Control: Provides debt recovery and accounts receivable management services.
5+ YOE5+ years system administration experience; Windows Server and Linux administration; Active Directory, DNS, DHCP, Group Policy; virtualization (VMware/Hyper-V); scripting (PowerShell, Bash); bachelor’s degree or relevant certifications.
Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy, VMware, Hyper-V, VLANs, TCP/IP, Firewalls, PowerShell, Bash, Appgate SDP, Microsoft 365, Azure AD Sync, ConnectWise Service Manager, SentinelOne, Rapid7, Cisco Umbrella, CyberArk
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, bachelor’s in a technical field, 5+ years relevant experience, DoD 8140.01/8570.01-M IAT Level II, RHEL 7/8/9 and Linux administration, AWS resource management, scripting (Python/Bash), AWS CLI and CloudFormation.
AWS, EC2, EBS, VPCs, IAM, Red Hat Enterprise Linux (RHEL) 7/8/9, Linux, Python, Bash, AWS CLI, CloudFormation
System Administrator II / System Administrator III – Hybrid – Chesterfield, MO (St. Louis)
Chesterfield, Missouri, United States
HybridFull Time
Experitec: Provides industrial automation products and process control engineering services.
5+ YOE5+ years IT experience with 3+ years as a system administrator and 2+ years managing Windows Server; experience with Windows/Linux, virtualization (VMware), Active Directory/Azure AD, cloud (Microsoft Azure), scripting (PowerShell/Bash/Python), backup/DR, and enterprise security.
Windows Server, Linux, Active Directory, Azure Active Directory, Office 365, Group Policy, DNS, DHCP, VPN, VLAN, PowerShell, Bash, Python, VMware, vCenter, ESXi, Microsoft Azure, SAN, NAS, SIEM, SAML, LDAP, OIDC, SSO, Microsoft Copilot, GitHub Copilot
UNCOMN: A technology services firm delivering secure solutions and support for public and private sector operations.
5+ YOE5+ years related experience with AWS exposure, eligible for Secret clearance (US citizenship), IAT Level II certification required, CE certification in cloud/OS/network or development, strong troubleshooting and systems administration skills.
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOEActive TS/SCI clearance with eligibility for CI Polygraph, 5+ years Linux systems engineering experience, Nutanix AHV administration, Ansible automation, and scripting (Bash/Python).
D2 Consulting: Provides IT engineering and cybersecurity services to federal agencies.
5+ YOEActive TS/SCI clearance, 5+ years Linux systems engineering experience, Nutanix and Ansible expertise, scripting (Bash/Python), RHEL administration, and bachelor\u0002s degree or equivalent.
Linux Systems Administrator - HPC (TS/SCI Clearance Required)
Alexandria or Chantilly or Springfield or Saint Louis
OnsiteFull Time
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI clearance, strong Linux/RHEL administration, HPC cluster (Slurm/MPI) experience, STIG/IAVA remediation, VM backup experience, scripting for automation, and DoD 8570-compliant certification (e.g., Security+).
Esri: Developing software for digital mapping and spatial data analysis.
8+ YOE8+ years experience deploying and administrating enterprise ArcGIS or comparable systems; Windows/Linux sysadmin; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; Top Secret/SCI clearance and US citizenship; Bachelor\u0002s in STEM.
Abile Group: Provides IT, cybersecurity, and program management services to government agencies.
4+ YOETS/SCI clearance with CI poly required, Bachelor's in a technical field, 4+ years relevant experience, DoD 8140.01/8570.01-M IAT Level II certification, AWS administration, automation with Python/Bash, AWS CLI and CloudFormation.
Geospatial Systems Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis
OnsiteFull Time
NV5: Provides engineering, testing, inspection, and infrastructure consulting services.
8+ YOEUS citizen with active Top Secret/SCI clearance, Bachelor's in a STEM field, 8+ years experience, enterprise ArcGIS and systems administration (Windows/Linux) experience, scripting (Python/PowerShell/JavaScript/C#), and RDBMS/SQL skills.
Geospatial Systems Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
NV5: Provides engineering, consulting, and geospatial solutions for infrastructure projects.
8+ YOEUS citizen with active Top Secret/SCI clearance, Bachelor's in STEM, 8+ years' experience, enterprise ArcGIS/admin experience, Windows/Linux systems administration, scripting (Python/PowerShell/JavaScript/C#), and RDBMS/SQL skills.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, Microsoft PowerShell, JavaScript, C#, Microsoft Windows, Linux, Microsoft SQL Server, Oracle, PostgreSQL, SQL
CrowdStrikeNASDAQ: CRWD: Provides cloud-native endpoint protection and cybersecurity services.
Experience in incident response, forensic or malware analysis, systems or network administration, and programming/scripting; willing to work a hybrid schedule and 4x10 shifts including a weekend day; U.S. citizen or green card required.