180 linux engineer jobs at 47 companies in Litchfield, IL

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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
3w
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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+ YOE5+ years Linux systems engineering experience, Nutanix/HCI and Red Hat administration, Ansible and scripting (Bash/Python), Bachelor’s in CS/Engineering or equivalent, active TS/SCI clearance and CI Polygraph eligibility.
Nutanix, AHV, Prism Central, Prism Element, Ansible, Bash, Python, RHEL, Satellite, Capsule, OAuth, SSO, Grafana, Zabbix, PowerShell, HAProxy, F5, Docker, Kubernetes, VMware, LDAP
1w
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Linux Systems Engineer
St. Louis or Springfield
OnsiteFull Time
Abile Group
Abile Group: Provides engineering and IT services to federal government agencies.
5+ YOETS/SCI eligible; Bachelor's or equivalent; 5+ years Linux systems engineering; Nutanix (AHV, Prism), Ansible, Bash/Python, RHEL, monitoring and virtualization experience.
Nutanix, AHV, Prism Central, Prism Element, Ansible, Bash, Python, Red Hat, Satellite, Capsule, OAuth, SSO, Grafana, Zabbix, VMware, HAProxy, F5, Docker, Kubernetes, PowerShell
3w
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Linux Systems Engineer
Springfield or St. Louis
$108k-$143k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOEActive TS/SCI clearance, 5+ years Linux systems engineering, Nutanix (AHV/Prism), Ansible, Bash/Python scripting, Red Hat experience, and strong troubleshooting and security practices.
Nutanix, AHV, Prism Central, Prism Element, Ansible, Bash, Python, Red Hat, Satellite, Capsule, Grafana, Zabbix, HAProxy, F5, Docker, Kubernetes, PowerShell, VMware
3w
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Linux Systems Engineer
Springfield or St. Louis
$113k-$139k/yr OnsiteFull Time
teKnoluxion
teKnoluxion: Providing technical engineering and cloud services to the intelligence community.
5+ YOEActive TS/SCI with CI poly eligibility, Bachelor's in CS/engineering or equivalent,5+ years Linux systems and Nutanix experience, Ansible and scripting (Bash/Python), RHEL ecosystem familiarity, strong troubleshooting and security skills.
Nutanix, AHV, Prism Central, Prism Element, Ansible, Bash, Python, Red Hat, Satellite, Capsule, OAuth, SSO, Grafana, Zabbix, HAProxy, F5, Docker, Kubernetes, PowerShell, APIs, VMWare
1w
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QA Automation Engineer with Network Testing (Python/Linux) experience
Saint Louis or Creve Coeur
$53k-$93k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
5+ YOEBachelor's in a technical field,5+ years QA including automation/performance/system testing,strong Linux,Python and Bash skills,experience with network protocols and performance analysis.
Python, Bash, Linux, Windows, tcpdump, Wireshark, GitHub Copilot, ChatGPT, Claude
1mo
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DevOps Engineer - Senior
Denver or St. Louis or Sterling
$99k-$207k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
10+ YOETS/SCI required, Bachelor's in CS/IT/Engineering/Cybersecurity, 10+ years in DevOps/SRE/platform engineering, strong CI/CD, containerization, IaC, Linux, scripting (Python/Bash/PowerShell), Git, and mentoring experience.
Jenkins, GitLab CI/CD, GitHub Actions, Linux, Python, Bash, PowerShell, Git, Docker, Kubernetes, Terraform, Ansible, CloudFormation, AWS, Azure, Grafana, Prometheus, Splunk, ELK
2mo
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Systems Engineer
Springfield or St. Louis
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's in a technical field, 5+ years systems engineering experience (AWS/Linux), ability to obtain Top Secret/SCI with CI Polygraph, DoD 8140.01/8570.01 IAT Level II required, strong systems architecture and documentation skills.
AWS, Linux, DoDAF, UAF, TOGAF, Model-Based Systems Engineering (MBSE), Cameo Systems Modeler, MagicDraw, Sparx Enterprise Architect
1mo
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Systems Integration Engineer (Experienced or Lead)
Hazelwood or Saint Charles or Berkeley
$112k-$185k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Bachelor's in engineering or related field, systems engineering/integration experience, hardware/software integration experience, familiarity with Windows/Linux and scripting, active U.S. Secret security clearance and U.S. citizenship required.
Windows, Linux, BIOS, File Servers, Network Switch, Scripting
1w
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Senior Mission Software Engineer, Public Sector
Austin or Honolulu or St. Louis or Washington
$186k-$279k/yr HybridFull Time
Scale AI
Scale AI: Provides data and infrastructure for training artificial intelligence models.
5+ YOE5+ years software engineering experience; strong Python and TypeScript; cloud (AWS/Azure/GCP), containers, Linux; active TS/SCI clearance; ability to operate in customer-facing, forward-deployed government environments.
Python, TypeScript, AWS, Azure, GCP, Node, React, Kubernetes, Docker, Terraform, Linux
2w
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Site Reliability Engineer
St. Louis, Missouri, United States
OnsiteFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
Experience supporting production platforms using observability data, incident response, automation/ infrastructure-as-code, cloud/container/Linux environments, and strong technical communication.
OpenTelemetry, Grafana, ClickHouse, Cribl, Datadog, BigPanda, Redis, Flink, Git, CI/CD, GitOps, Linux
3w
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Software Engineer–Developer, Phantom Works Weapons (Associate or Experienced)
Saint Charles or Saint Louis
$99k-$171k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEAbility to obtain U.S. Secret Clearance; experience with C++, Python, C#, Linux, git, software architecture, and TCP/UDP networking; Bachelor\u0002s degree in a technical field.
C++, Python, C#, Linux, git, TCP, UDP, CodeVue
2d
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Data Security Engineer
Scott Air Force Base, Illinois, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Experience designing, deploying, and configuring data security solutions; systems administration; technical architecture documentation; Secret clearance; high school diploma or GED. Linux, containers, federal security, degree, and DoD 8140 certification preferred.
Virtru, PKWare, Thales, Linux, Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser
1mo
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Test Engineer
St. Louis, Missouri, United States
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
4+ YOEActive security clearance required; 4+ years test engineering experience; knowledge of DevSecOps, Agile/SAFe, AI model use, geospatial systems, vendor coordination, and delivering complex technology assignments.
Linux, Java, JavaScript, Python, Docker, OpenShift, Kubernetes, AWS Services, GitLab, Apache Spark, Glue, Parquet, JSON, XML, Argo Workflows, Boundless Spatial, Remote View, PostGRES/PostGIS, Oracle Spatial, ArcGIS Desktop, ArcGIS Server, Image Server, File Geodatabases, KML, KMZ, NITF, TIFF, JPEG, GeoPDF, PHP, C, C++, C#, Perl
3d
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Senior Network Software Engineer
Scott AFB, Illinois, United States
$85k-$93k/yr OnsiteFull Time
I2X Technologies
I2X Technologies: Provides mission-critical engineering, cybersecurity, and IT services to government agencies.
4+ YOEActive U.S. citizenship, BS (or MS) with relevant experience, DoD 8750 IAT II/Security+ CE, BLS not required; Python, REST/JSON, Git, Linux experience, routing (BGP/OSPF/ISIS) and Cisco/Juniper familiarity.
Python, XML, Cisco Network Services Orchestrator (NSO), Cisco ASR9K, Juniper MX, REST, JSON, Git, Bitbucket, Linux, Cisco IOS XR, JUNOS, Cisco IOS, YANG, NETCONF, RESTCONF
2w
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Senior Deployment Engineer, AppGate ZTNA (Federal)
Washington or Scott Air Force Base or Gunter Air Force Base or Kirtland Air Force Base or Maryland or Virginia
$177k-$192k/yr RemoteFull Time
Gormat
Gormat: Provides cybersecurity and systems engineering services to government defense agencies
8+ YOE8+ years delivering networking/security/platform solutions, Linux administration, scripting (Bash, PowerShell, JavaScript), REST API integration, identity systems, public cloud and virtualization experience, STIG/SCAP hardening, and federal environment support.
AppGate ZTNA, Linux, Bash, PowerShell, JavaScript, REST APIs, Active Directory, DNS, PKI, SAML, OIDC, RADIUS, LDAP, AWS, Azure, GCP, VMware vSphere, Microsoft Hyper-V, Terraform, Ansible, SIEM, SOAR, NGFWs, STIG, SCAP
1w
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Systems Engineer - Drive Sys. Solutions
St. Louis, Missouri, United States
OnsiteFull Time
Nidec
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
3+ YOEBachelor's in engineering,3+ years systems/application/design engineering experience in automation or motion control,knowledge of motors/drives,system integration and validation,strong analytical and communication skills.
Linux, Python, C++
12h
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CI/CD and Platform Automation Engineer
St. Louis, Missouri, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
1+ YOERequires active TS/SCI with polygraph eligibility, 1+ year DevOps or CI/CD experience, YAML pipelines, scripting, IaC, Docker, Linux, cloud services, and a bachelor's degree or equivalent experience.
GitHub Actions, Azure DevOps, Jenkins, Docker, Python, JavaScript, YAML, Ansible, AWS CDK, Terraform, Linux, AWS, Microsoft Azure, Conda, Kubernetes, ESRI
1mo
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Senior System Engineer – ArcGIS (Mission-Focused)
Redlands or St. Louis or Vienna
$156k-$239k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
12+ YOE12+ years experience designing/implementing enterprise ArcGIS or comparable systems; Windows/Linux administration; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; familiarity with networking; US citizenship with active Top Secret/SCI clearance; Bachelor's degree in CS/Math/GIS/STEM.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, PowerShell, Javascript, C#, Windows, Linux, SQL Server, Oracle, PostgreSQL
1mo
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Grid Solutions Engineer
St. Louis, Missouri, United States
$84k-$204k/yr HybridFull Time
Ameren
AmerenNYSE: AEE: Generates and distributes electric and natural gas utility services.
3+ YOEBachelor's required; 3+ years (engineer) / 5+ (senior) / 7+ (lead) relevant experience. Experience with electric distribution systems, ADMS, SCADA, GIS, software development, relational databases, and server/network infrastructure; hybrid work and off-hours support required.
Distributed Energy Management System (DERMS), Linux, Windows Server, Oracle, SQL Server, Rancher Kubernetes Engine, Palo Alto Firewalls, MuleSoft, Splunk SIEM, Dynatrace Application Monitoring, ERSI, SCADA, Advanced Distribution Management System, Outage Analysis System