174 application administrator linux jobs at 117 companies in United States
4w
Save
Mark Applied
Hide
Linux Administrator - 304821
Boyers, Pennsylvania, United States
HybridFull Time
3+ YOE3+ years Linux application administration experience, CompTIA Security+ (or equivalent), active DoD Top Secret clearance, experience with application deployments, monitoring, troubleshooting, and security (STIG).
Windows Server, STIG
3w
Save
Mark Applied
Hide
Application Administrator
Florida or New Jersey or Massachusetts or Connecticut or United States
$70k-$80k/yr RemoteFull Time
Experience supporting production applications, Windows or Linux, encryption tools, SFTP, scripting, monitoring, troubleshooting, incident response, change management, and technical communication. A computer science degree is preferred.
Windows, Linux, PGP, GPG, GNU, SFTP, Microsoft, Kubernetes, VAX VMS, Agile
1mo
Save
Mark Applied
Hide
Application Administrator I
Grand Junction, Colorado, United States
$66k-$118k/yr OnsiteFull Time
0+ YOEHigh school diploma or equivalent; 0-2 years IT support/application administration experience; basic Windows/Linux and networking knowledge; familiarity with ERP/CRM/MES; basic scripting (PowerShell, Visual Basic); US citizenship required.
Windows, Linux, ERP, CRM, MES, PowerShell, Visual Basic, Visual Studio
1mo
Save
Mark Applied
Hide
Application Administrator (Top Secret)
United States
RemoteFull Time
3+ YOEActive Top Secret/SCI clearance, Security+ and A+ certifications, 3+ years application administration experience, AWS and Java EE experience, Oracle and Linux/Windows familiarity, CI/CD and monitoring tool experience.
OPIS, AWS, Java EE, Oracle, Linux, Windows, FileNet, Spring Batch, Splunk, ELK, CloudWatch, Active Directory, RBAC, GitLab, EC2, S3, IAM
1mo
Save
Mark Applied
Hide
Senior Application Administrator
Fort Belvoir, Virginia, United States
$85k-$130k/yr OnsiteFull Time
7+ YOE7+ years administering enterprise applications, active Secret clearance, DoD 8140 certification (e.g., Security+), experience with Windows/Linux/SQL Server, STIG/SRG implementation, deployments, troubleshooting, and cybersecurity remediation.
Windows Server, Linux, SQL Server
1mo
Save
Mark Applied
Hide
Application Administrator I
Grand Junction, Colorado, United States
$66k-$118k/yr OnsiteFull Time
0+ YOEAssociate degree in IT, computer science, business information systems, or related field; 0–2 years supporting enterprise applications; basic Windows, Linux, networking, scripting, and IT support knowledge; US citizenship required.
Windows, Linux, PowerShell, Visual Basic, Visual Studio, ERP, MES, CRM, HRIS, SQL, Active Directory, Azure AD, Entra ID, ITIL, Microsoft 365, Azure
1mo
Save
Mark Applied
Hide
Systems & Application Administrator
Exton, Pennsylvania, United States
OnsiteFull Time
4+ YOE4+ years administering Windows/Linux servers, virtualization, Microsoft 365, scripting (PowerShell/Bash/Python), networking, storage, backup, cybersecurity, and supporting business-critical applications.
Windows Server, Linux, VMware, Microsoft 365, PowerShell, Bash, Python, Active Directory, Azure, AWS
4d
Save
Mark Applied
Hide
Application Systems Administrator
Rockville, Maryland, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBachelor’s degree and 2 years of relevant experience, Security+ or equivalent IAT Level 2 certification, active Secret clearance, application administration, security controls, troubleshooting, and communication skills.
Splunk, IBM DOORS, Teamwork Cloud, OpenText Content Server, NIST 800-53, DISA Security Technical Implementation Guides (STIGs), Linux, Windows Server, SSL, Active Directory, SAML, OAUTH, ADFS, ACAS
1w
Save
Mark Applied
Hide
DCGS GEOINT Application Administrator - GMATS
Langley, Virginia, United States
$87k-$165k/yr OnsiteFull Time
Active TS/SCI clearance, Security+ or higher DoD 8570 certification, 5 years of computer system administration experience, and typically a STEM degree; DCGS, GEOINT, Linux, Windows, virtualization, and cloud experience preferred.
Linux, Windows, Socet GXP, GXP Xplorer, Unicorn, mIRC, Multi-INT Analysis and Archive System (MAAS), ArcGIS, VMware, AWS, Azure, OpenStack, Docker, PowerShell, JavaScript, Python, PHP, C/C++, C#, Java, XML, HTML
4d
Save
Mark Applied
Hide
Senior Enterprise Application Administrator*
San Bernardino County, California, United States
$47-$67/hr FieldFull Time
3+ YOERequires 3 years of recent systems administration experience supporting complex applications and infrastructure, plus 30 semester units of IT-related college coursework or an additional year of qualifying experience.
Microsoft IIS, ServiceNow, FileNet, FTP, SFTP, Broadcom Unified Infrastructure Management, ChatGPT Enterprise, PowerShell, Python, Windows Server, Red Hat Linux, IBM z/OS, SSL/TLS, PKI, SAML, OAuth, APIs, Single Sign-On (SSO)
2mo
Save
Mark Applied
Hide
Administrator II, Enterprise Application
Leesburg or Florida
$65k-$72k/yr RemoteFull Time
5+ YOEBachelor's degree required; 5+ years maintaining enterprise application systems; experience with Ellucian Banner and Oracle; Oracle DB administration and performance tuning; familiarity with Microsoft Office; availability for nights and weekends.
Ellucian Banner, Oracle, Oracle Linux, Linux, Microsoft Windows, Microsoft Office, Hyper-V Manager, WSO2 Server, RabbitMQ, Jenkins, ESM, Active Directory, Canvas, Application Express, Evisions, Oracle PL/SQL, MS/SQL, PostgreSQL, Windows shell scripting
1mo
Save
Mark Applied
Hide
Full-Stack Linux Cyber Application Developer, Lead
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
7+ YOE7+ years software development experience, 5+ years full-stack Python, 3+ years JavaScript, Linux administration, TS/SCI with polygraph, CI/CD and container experience preferred.
Python, JavaScript, Linux, Docker, Podman, Angular, CI/CD
3w
Save
Mark Applied
Hide
Application Server Administrator/Windows System Administrator
Oklahoma City, Oklahoma, United States
$68k-$142k/yr HybridFull Time
5+ YOEBachelor's degree in IT and 5 years of experience or equivalent. Requires WebLogic, Microsoft systems administration, IIS, firewall configuration, and database administration experience.
Oracle WebLogic, Microsoft Systems Administration, IIS, MS SQL Server, Oracle Database, PostgreSQL, RedHat Linux, Tomcat, JBoss, Oracle OCI, Oracle Data Guard, Oracle RAC, Oracle Client, Splunk
6d
Save
Mark Applied
Hide
Sr. Application Administrator/ Software Engineer
Webster, New York, United States
$94k-$147k/yr HybridFull Time
Bachelor's degree or equivalent experience; enterprise application support experience; Linux, Python, and shell scripting proficiency; networking, authentication, API, troubleshooting, and AI-assisted tool experience required.
Oracle E-Business Suite, Vertex, WebCenter, Frontier, SAP Business Objects, Alteryx, R-Studio, Staffbase, Ivo Assistant, Tability, OAM SSO, Copilot, ChatGPT, Claude, Linux, Python, Active Directory, Single Sign-On (SSO), OAuth, APIs, REST, Java, JavaScript, HTML, XML, JSON, Agile, Oracle Database, PL/SQL, Oracle, AWS, Azure, TLS/SSL
3w
Save
Mark Applied
Hide
Application Server Administrator/Windows System Administrator
Oklahoma City, Oklahoma, United States
$68k-$142k/yr HybridFull Time
5+ YOEBachelor's degree in IT or equivalent experience, 5 years of experience, WebLogic, Microsoft systems administration, IIS, firewall configuration, database administration, and segmented network experience required.
Oracle WebLogic, Microsoft Systems Administration, IIS, MS SQL Server, Oracle Database, PostgreSQL, Red Hat Linux, Tomcat, JBoss, Oracle Cloud Infrastructure (OCI), Oracle Data Guard, Oracle RAC, Oracle Client, Splunk
2mo
Save
Mark Applied
Hide
Cloud Systems Administrator – Senior Linux / AWS Application Sustainment
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
8+ YOETS/SCI clearance with polygraph ability, 6–8+ years experience (degree-conditional), hands-on Linux (CentOS/RHEL/Oracle) and AWS administration, STIG hardening, backups, DR, scripting, troubleshooting, and security/compliance support.
CentOS, Red Hat Enterprise Linux, RHEL, Oracle Linux, AWS, AWS console, EC2, S3, ElastiCache, ElasticSearch, Kafka, OpenShift, Docker, Keycloak, WildFly, PKI, SSL, STIG
3w
Save
Mark Applied
Hide
Administrator - JBoss Application Server, Apache Tomcat (149961)
United States
OnsiteFull Time
3+ YOERequires 3–6 years in Java application, SRE, or production support; bachelor's degree in computer science, IT, or related field; WebSphere or JBoss, Oracle, Linux/Unix, monitoring, and automation skills.
Java, J2EE, IBM WebSphere Application Server (WAS), JBoss, WildFly, Oracle Database, SQL, Linux, Unix, Apache Tomcat, Shell, Python, Ansible, Splunk, ITIL
2mo
Save
Mark Applied
Hide
Cloud Systems Administrator – Senior Linux / AWS Application Sustainment
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
3+ YOETS/SCI (or eligibility) and polygraph ability, Security+ or IAT II/III, strong Linux (CentOS/RHEL/Oracle) and AWS experience, STIG hardening, backups/disaster recovery, scripting, 3+ years relevant experience (varies by degree).
CentOS, Red Hat Enterprise Linux (RHEL), Oracle Linux, AWS, AWS Console, EC2, S3, ElastiCache, ElasticSearch, Kafka, OpenShift, Docker, Keycloak, WildFly, PKI, SSL
2mo
Save
Mark Applied
Hide
Application Developer III/PeopleSoft Administrator
Charlotte, North Carolina, United States
$108k-$142k/yr OnsiteFull Time
5+ YOEBachelor's in IT/CS, minimum 5 years programming experience; PeopleSoft administration experience preferred; experience with PeopleTools, WebLogic, Tuxedo, Oracle/SQL, Linux/Windows, Azure DevOps, JS, HTML5, CSS, and SQL reporting.
PeopleSoft, PeopleTools, WebLogic, Tuxedo, Oracle, SQL, PeopleSoft Update Manager (PUM), Change Assistant, Linux, Windows, Azure DevOps, JS, HTML5, CSS, App Designer, Microsoft Office, SQL Server Reporting Service
6d
Save
Mark Applied
Hide
Systems Specialist, Application Administrator Team Lead
New York City, New York, United States
$125k-$155k/yr OnsiteFull Time
5+ YOEBachelor's degree with 6+ years or master's degree with 5+ years of relevant experience. Requires technical team leadership, cloud, Azure DevOps, AI, Linux, scripting, web development, SDLC, observability, and documentation expertise.
Oracle, Microsoft Azure, Google Cloud Platform (GCP), Amazon Web Services (AWS), Azure DevOps (ADO), CI/CD pipelines, Azure Foundry, Google Cloud Vertex AI, ActiveMQ, Kafka, Perl, Bash, Python, Socket.IO, JavaScript, Java, Flask, Software Development Life Cycle (SDLC), Grafana, Datadog, Prometheus, Splunk, Linux, Microsoft Office
Explore Jobs