Sr RedHat Enterprise Linux Administrator

We are seeking an experienced Sr Red Hat Enterprise Linux (RHEL) System Administrator to join our IT team. The ideal candidate will have a strong background in administering Red Hat Satellite Server, deploying and managing Ansible Automation Platform solutions, and collaborating with cyber security engineering teams. This role requires hands-on experience with distributed data center infrastructure, system troubleshooting, and maintaining best practices for system security and performance.

*Must be onsite 5 days a week in Woodlawn, MD*

Key Responsibilities:

• Administer Red Hat Satellite Server, including patch management and system updates.
• Collaborate with the cyber security engineering team to design, create, and deploy Ansible solutions for distributed data center environments.
• Deliver baseline configurations of Red Hat Ansible Automation Platform.
• Examine current server configurations and scale infrastructure as necessary.
• Configure Ansible to integrate with Satellite Server and VMware vCenter.
• Create, modify, and delete user accounts and groups as needed.
• Develop and configure baseline playbooks, projects, and templates in Ansible Automation Platform.
• Test all created Ansible Automation Platform playbooks, projects, and templates in all environments to ensure proper functionality.
• Deploy environments using Ansible Automation Platform.
• Utilize GIT for version control and collaboration.
• Update system and process documentation, user guides, diagrams, and standard operating procedures (SOPs) as needed.
• Assist in troubleshooting and resolving issues related to Linux systems, including performance, health, and configuration.
• Ensure best practices and standards are implemented and adhered to for all software systems.
• Maintain up-to-date documentation of system configurations, procedures, and changes.

Required Experience and Qualifications:

• BS Degree or additional years of experience may be substituted in lieu of degree.

• Minimum of 12 years of relevant experience as a Linux System Administrator.
• Red Hat Certified System Administrator (RHCSA) certification.
• CompTIA Security+ certification.
• Demonstrated knowledge and experience with Red Hat patching using Satellite Server, NFS, user administration, LDAP client, disk administration (LVM/XFS/ext3/ext4), and related technologies.
• Proven experience troubleshooting systems to identify root causes of issues in environments with multiple running applications.
• Applied knowledge of VMware and Tomcat.
• Experience integrating custom and off-the-shelf software with Red Hat systems.
• Proficiency with GIT for version control.
• Strong interpersonal, verbal, and written communication skills.
• Must be able to obtain and maintain a Public Trust security clearance.

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."

Original Posting:
August 14, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $112,450.00 - $203,275.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.