32 linux system administrator jobs at 11 companies in Ballwin, MO

PromotedHiringCafe
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
3w
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System Administrator
Earth City, Missouri, United States
$60k-$85k/yr OnsiteFull Time
Credit Control
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
2mo
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AWS System Administrator
St. Louis or Springfield
$75k-$158k/yr OnsiteFull Time
CACI International
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
1w
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System Administrator II / System Administrator III – Hybrid – Chesterfield, MO (St. Louis)
Chesterfield, Missouri, United States
HybridFull Time
Experitec
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
1d
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System Administrator (Mid-Level)
St. Louis, Missouri, United States
RemoteFull Time
UNCOMN
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.
AWS, Jenkins, Oracle, Splunk, Cisco, McAfee, Java, .NET, C++, Python, Visual Basic, Microsoft, Linux, Solaris
1d
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Linux Systems Engineer
Springfield or St. Louis
$108k-$143k/yr OnsiteFull Time
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).
Linux, Red Hat Ansible, Bash, Python, Nutanix, AHV, Prism Central, Prism Element, Satellite, Capsule, Grafana, Zabbix, HAProxy, F5, Docker, Kubernetes, VMware
20h
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Linux Systems Engineer
Springfield or St. Louis
$125k-$135k/yr OnsiteFull Time
D2 Consulting
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.
Nutanix, AHV, Prism Central, Prism Element, Ansible, Bash, Python, Red Hat (RHEL), Satellite, Capsule, Grafana, Zabbix, HAProxy, F5, Docker, Kubernetes, VMware, PowerShell, OAuth, LDAP, SSO
1mo
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Linux Systems Administrator - HPC (TS/SCI Clearance Required)
Alexandria or Chantilly or Springfield or Saint Louis
OnsiteFull Time
North Point Technology
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+).
Linux, RHEL, Slurm, MPI, STIG, IAVA, Jira, Confluence
1mo
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System Engineer- ArcGIS
Redlands or St. Louis or Vienna
$121k-$198k/yr OnsiteFull Time
Esri
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.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, RDBMS, SQL, SQL Server, Oracle, PostgreSQL, Python, PowerShell, Javascript, C#, Windows, Linux
2w
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AWS ECDS Systems Administrator
St. Louis or United States
FieldContract
Abile Group
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.
AWS, EC2, EBS, VPC, IAM, AWS CLI, CloudFormation, Python, Bash, Linux
2mo
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Cyber Security Engineer - NSS Tools
St. Louis, Missouri, United States
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEExperience in Linux system administration, shell scripting, secure networking, AWS, with TS/SCI clearance and 7+ years in related fields.
Linux, Shell scripting, AWS, EC2, S3, CloudFormation, Terraform, Ansible, GitHub, GitLab
1mo
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Geospatial Systems Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis
OnsiteFull Time
NV5
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.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Esri, Python, PowerShell, JavaScript, C#, Windows, Linux, SQL Server, Oracle, PostgreSQL
1mo
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Geospatial Systems Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
NV5
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
3mo
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Cloud Operations Technician (Mid-Level)
Scott AFB, Illinois, United States
OnsiteFull Time
DecisionPoint
DecisionPoint: Provides IT and cybersecurity services for federal government agencies.
3+ YOEActive Secret Clearance, IAT Level II (CompTIA Security+ CE), 3+ years cloud operations or system administration, AWS or cloud environments, Linux, Bash, Docker, Kubernetes, Angular (TypeScript) and Java (Spring Boot) familiarity.
AWS, Linux, Bash, Docker, Kubernetes, Angular (TypeScript), Java (Spring Boot)
3w
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Associate Analyst, Falcon Complete (Hybrid)
St. Louis or United States
$70k-$95k/yr HybridFull Time
CrowdStrike
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.
Windows, Mac, Linux, C, C#, VB, Python, Perl, Ruby on Rails, .NET