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33 linux systems administrator jobs at 14 companies in O'Fallon, MO

2w
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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
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2w
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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
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2mo
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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
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Systems Administrator / Systems Infrastructure Lead
Scott Air Force Base, Illinois, United States
$115k-$130k/yr OnsiteFull Time
Computer World Services
Computer World Services: Provides IT modernization and cybersecurity solutions for federal government agencies.
5+ YOE5+ years enterprise Windows/Linux systems administration, virtualization, SAN/NAS, Active Directory, backup/DR; DoDM 8140.03 qualification and Secret clearance required; Security+ or CySA+ preferred.
Windows Server 2019, Windows Server 2022, RHEL 8, RHEL 9, NetApp ONTAP, VMware vSphere, vCenter, Active Directory, Veeam, SCCM, SolarWinds, Commvault, SIPRNet
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1w
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Systems Administrator / Systems Infrastructure Lead
Scott Air Force Base, Illinois, United States
OnsiteFull Time
EPS Corporation
EPS Corporation: Provides engineering, logistics, and technical solutions to federal agencies.
5+ YOE5+ years enterprise Windows/Linux/virtualization/SAN and Active Directory administration; DoD experience with STIGs; SECRET clearance; DoDM 8140.03 and related certifications (Security+, CySA+); backup/DR tooling experience.
Windows Server 2019, Windows Server 2022, RHEL 8, RHEL 9, NetApp ONTAP, VMware vSphere, vCenter, Active Directory, Veeam, SCCM, SolarWinds, Commvault, SIPRNet
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1mo
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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
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1w
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AWS ECDS Systems Administrator
St. Louis, Missouri, United States
OnsiteFull Time
Abile Group
Abile Group: Provides engineering and IT services to federal government agencies.
4+ YOETS/SCI with CI poly, Bachelor's in technical field, 4+ years relevant experience, DoD 8140.01/8570 IAT Level II, AWS infrastructure and Linux experience, scripting with Python/Bash, EM security practices.
AWS, EC2, EBS, VPC, IAM, AWS CLI, CloudFormation, Python, Bash
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1mo
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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
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3w
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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
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1w
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Cloud Systems Engineer
Scott AFB, Illinois, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
10+ YOE10+ years experience, active DoD Secret clearance, IAT Level II and related certifications, RedHat Enterprise Linux administration, Terraform and Cloud Formation expertise, AWS and GitLab-ci experience, Docker/Podman proficiency, ability to mentor junior staff.
RedHat Enterprise Linux, Terraform, Cloud Formation, AWS Organizations, GitLab-ci, Git, YML, WAF, GuardDuty, Security Groups, IAM, AWS EC2, S3, System Manager, CloudTrail, Lambda, AWS Cloud Formation, Stackets, Gitlab, Gitlab-runners, docker, podman, F5 Big-IP, LTM, ASM, AWS Transit Gateway, Route53 DNS, Azure
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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
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1mo
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Geospatial Systems Engineer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles
OnsiteFull Time
NV5
NV5NASDAQ: NVEE: Technical engineering and consulting for infrastructure and energy projects.
8+ YOETop Secret/TS-SCI clearance, Bachelor's in STEM, 8+ years experience with enterprise ArcGIS deployments, scripting (Python/PowerShell/JavaScript/C#), RDBMS/SQL, and Windows/Linux administration.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, PowerShell, JavaScript, C#, SQL Server, Oracle, PostgreSQL, Windows, Linux
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1w
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QA Automation Engineer with Network Testing (Python/Linux) experience
Creve Coeur, Missouri, United States
$53k-$93k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
5+ YOEBachelor's in CS or related,5+ years QA experience across manual, automation, performance and system testing; strong Linux administration; Python and Bash proficiency; experience with real-time/low-latency systems and network diagnostics.
Python, Bash, Linux, tcpdump, Wireshark, GitHub Copilot, ChatGPT, Claude, Windows
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1w
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QA Automation Engineer with Network Testing (Python/Linux) experience
Creve Coeur, Missouri, United States
$53k-$93k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
5+ YOEBachelor's degree in CS or related,5+ years QA experience including automation,performance and system testing,strong Linux administration,Python and Bash scripting,network protocol and diagnostic experience.
Python, Bash, GitHub Copilot, ChatGPT, Claude, tcpdump, Wireshark, Linux, Windows
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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
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1w
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Associate Delivery Engineer, AppGate ZTNA (Federal)
Washington or Belleville or Montgomery or Albuquerque or Maryland or Virginia
$137k-$152k/yr RemoteFull Time
Gormat
Gormat: Provides cybersecurity and systems engineering services to government defense agencies
2+ YOE2+ years IT/systems/network experience, Linux administration, scripting (Bash/PowerShell/Python), identity and networking fundamentals, familiarity with public cloud, attention to detail, and willingness to obtain U.S. security clearance.
AppGate, Bash, PowerShell, Python, SAML, OIDC, RADIUS, LDAP, Active Directory, TCP/IP, DNS, TLS, VPNs, Linux, AWS, Azure, GCP, Docker, Kubernetes, STIG, SCAP
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2mo
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Mid-Level Video Conferencing and Multimedia Technician **Sign on Bonus Potential**
Berkeley, Missouri, United States
$95k-$130k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
3+ YOERequires active U.S. Secret clearance and U.S. Person status, Security+ (or ability to obtain within 6 months), 3+ years AV/VTC and systems administration experience on Windows and Linux, and willingness to provide on-call and weekend support.
AV, VTC, Windows, Linux, Windows Server 2003, Windows Server 2016, Windows 7, Windows 10, SAP
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2mo
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Mid-Level Video Conferencing and Multimedia Technician **Sign on Bonus Potential**
Berkeley, Missouri, United States
$95k-$130k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOE3+ years AV/VTC and system administration experience (Windows/Linux), ability to obtain Security+ and SAP access, active U.S. Secret clearance required, troubleshooting hardware/software, and willing to provide on-call and flexible hours including weekends/holidays.
Linux, Windows Server 2003, Windows Server 2016, Windows 7, Windows 10, Windows
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1w
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Cloud System Admin 1 (Junior)
Scott Air Force Base, Illinois, United States
HybridFull Time
UNCOMN
UNCOMN: A technology services delivering secure cloud and IT solutions to public and private sector clients.
Meet DoD Cyber Workforce Framework 8140 Work Role 641, obtain CompTIA Security+ and cloud certification within 30 days, eligible for Secret clearance, Linux administration experience, strong written/verbal communication.
SAML, OAuth, AWS, Azure GovCloud, Linux, Terraform, CI/CD, Java, Python, Ruby, Bicep, ARM templates
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