Hiring: Linux Systems Administrator Company: ASRC Federal Location: Aberdeen Proving Ground, MD Job Posted Time: 2026-09-16 20:19:40 Target Skills & Keywords : Ansible, Apache, Bash, Docker, Linux, MongoDB, Oracle Database, PKI, PostgreSQL, RHEL, Red Hat, Root Cause Analysis, SSL, Secret Clearance, Systems Integration, TLS About the job Experience: •3 years of RedHat experience •9 years of related work experience in lieu of a degree Required Skills: •Architect, deploy, configure, maintain, and decommission enterprise RHEL 7, 8, and 9 servers. Manage kernel updates, system upgrades, and package lifecycles via yum/dnf repositories integrated with Red Hat Satellite and centralized automation pipelines •Develop, test and execute Ansible playbooks to automate day-to-day administrative tasks, configuration drifts, and routine maintenance. Write and maintain Bash scripts for system automation •Manage systemd service orchestration, enforce strict SELinux policies in enforcing mode, and manage container runtime environments using Docker •Configure and administer local block storage utilizing Logical Volume Manager (LVM). Deploy, secure, and maintain enterprise network share services including Samba and NFS •Provide infrastructure level hosting support, system tuning, and OS prerequisites for enterprise middleware and database tiers, including Oracle Database, Oracle WebLogic, Apache HTTP Server, PostgreSQL, and MongoDB instances •Integrate RHEL systems with enterprise identity providers (LDAP / Active Directory) enforcing CAC/PKI-based multi-factor authentication. Issue, deploy, and maintain DoD PKI SSL/TLS certificates for server identification, secure communications, and client authentication •Monitor system health, performance metrics, and logs using enterprise monitoring tools. Conduct root cause analysis on system degradation or outages, implementing performance optimizations and corrective actions Qualifications: •Bachelor’s degree (BA/BS) in Computer Science, Information Technology, Engineering, or a related field and 5 additional years of experience •DoD and RHEL system integration experience •This position requires an active Secret clearance or higher. An interim Secret clearance is acceptable until the full clearance is granted. •Bachelor’s degree in Information Technology, Computer Science, or a related field and 5 additional years of experience •DoDI 8140.03 qualification for DCWF Work Role 451 Systems Administrator - Intermediate. Accepted foundational qualifications include certifications mapped to Work Role 451 Systems Administrator - Intermediate (or Advanced) in the current DoD 8140 Qualification Matrix, such as Cloud+, GICSP, GSEC, Security+, or SSCP. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!