Linux System Engineer

Position OverviewWe are seeking an experienced Sr. Systems Engineer with strong Red Hat Enterprise Linux expertise to supportenterprise Linux operations, security remediation, automation, and cross-team execution. This contractor role iswell suited for a hands-on engineer who can independently drive RHEL 8/RHEL 9 work, communicate clearly withtechnical stakeholders, and help maintain reliable, compliant Linux platforms.Primary MissionSupport the operational health of the Linux Center of Expertise by helping execute RHEL 8/RHEL 9 securityremediation, coordinating with service owners, maintaining automation through Puppet and Ansible, andcompleting KTLO operational work across the OS Engineering organization.Primary ResponsibilitiesCIS & Security Compliance Support CIS Level 1 and Level 2 remediation activities for RHEL 8 and RHEL 9 environments. Coordinate remediation work with application owners, infrastructure teams, Security, and dependent service teams. Track remediation progress, dependencies, exceptions, and validation evidence through completion.Security Vulnerability Remediation Support OS vulnerability remediation, patch implementation, and emergency remediation for critical findings. Use automation where practical to reduce repetitive manual work and improve execution consistency. Partner with Security teams to resolve findings within required timelines.KTLO Operations Provide operational support for Configuration Management and OS Engineering assignment groups. Handle interrupt requests, incidents, intake requests, troubleshooting, root cause analysis, and productionsupport. Maintain clear status updates on operational work, risks, blockers, and dependencies.Cross-Team Coordination Work closely with Security Engineering, Service Owners, Infrastructure Engineering, OS Engineering, andConfiguration Management engineers. Communicate project status, blockers, risks, and decisions in a clear and timely manner. Identify dependencies early and help drive them to resolution.Preferred Qualifications Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE). CompTIA Linux+ and/or Security+. Experience leveraging AI-assisted development tools. Git version control proficiency. Experience with immutable infrastructure practices. Knowledge of modern container orchestration and microservices infrastructure.