Systems Administrator

Leidos

Systems Administrator handling Linux-based middleware, messaging, and database platforms in a secure DoD environment. Ensuring operational efficiency and compliance in production applications.

Posted 5/27/2026full-timeRemote • 🇺🇸 United StatesSeniorLead💰 $92,300 - $166,850 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityLinuxOracleShell Scripting

About the role

Key responsibilities & impact

Provide administration, maintenance, patching, and troubleshooting support for enterprise middleware and application platforms within Linux-based web application, enterprise messaging, and database environments.
Monitor system performance, availability, and operational health while troubleshooting application, integration, and connectivity issues.
Support deployments, upgrades, patching, vulnerability remediation, and security compliance activities, and develop automation and shell scripting solutions to improve operational efficiency.
Coordinate with infrastructure, cybersecurity, database, and application teams to support production operations, maintenance activities, and incident response.

Requirements

What you’ll need

Bachelor’s degree or 8+ years of relevant experience; additional experience may be considered in lieu of degree.
Security+ CE certification or equivalent DoD 8570/8140 compliant certification.
Experience supporting Linux server environments and enterprise application platforms.
Experience supporting middleware, web application, messaging, or database technologies in production environments.
Experience with shell scripting, Bash, automation tooling, or related operational scripting.
Experience troubleshooting enterprise application or middleware environments.
Familiarity with technologies such as IBM WebSphere Liberty, IBM HTTP Server (IHS), IBM MQ, Oracle database platforms, or similar enterprise technologies.

Benefits

Comp & perks

Health and Wellness programs
Income Protection
Paid Leave
Retirement

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Linux server environmentsmiddleware technologiesweb application technologiesmessaging technologiesdatabase technologiesshell scriptingBashautomation toolingtroubleshootingvulnerability remediation

Soft Skills

administrationmaintenancetroubleshooting supportmonitoringcoordinationincident response

Certifications

Bachelor's degreeSecurity+ CE certificationDoD 8570/8140 compliant certification