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MT

Red Hat Enterprise Linux Administrator

Marathon TS, Inc.
🇺🇸 United States
On-site
Senior
1 month ago
  • RHEL
  • Red Hat OpenShift
  • Configuration Management
  • Secret Clearance
  • Prometheus
  • Loki
  • Grafana
  • OpenShift
  • Kubernetes
  • Disaster Recovery
  • DNS
  • DHCP
  • NFS
  • IAM
  • Network Security
  • CI/CD
  • Devops
1 month ago
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We are seeking a highly skilled and experienced Senior RHEL Engineer to join our team. As a Senior RHEL Engineer, you will be responsible for leading the deployment and management of Red Hat OpenShift clusters, ensuring high availability and security. This role involves developing and maintaining automation scripts for system provisioning, configuration management, and deployment.

This position is on-site, five days a week and requires an active Secret clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS136, T4, Band 7
Job-Specific Essential Duties and Responsibilities
- Architect and deploy containerized applications using Red Hat OpenShift, ensuring optimal performance and scalability.
- Implement and optimize monitoring and logging tools (e.g., Prometheus, Loki, Grafana) for real-time tracking of application health.
- Transition OpenShift cluster operations from connected to partially disconnected environments, ensuring seamless deployment of critical security updates.
- Automate cluster provisioning and scaling to reduce deployment time and minimize human error.
- Manage and optimize multi-cluster OpenShift environments across production and development clusters, ensuring 99.99% uptime.
- Conduct knowledge-sharing sessions and update documentation to improve team expertise in Red Hat Advanced Cluster Manager and Kubernetes management.
- Integrate Red Hat Satellite for efficient patch management and system updates across multiple environments.
- Develop and implement disaster recovery plans and backup strategies for critical systems.
- Configure and manage network services (e.g., DNS, DHCP, NFS) within RHEL environments.
- Perform kernel tuning and system optimization to enhance performance and reliability.
- Implement and manage security policies using SELinux and firewall configurations.
- Conduct root cause analysis for system failures and implement corrective actions to prevent recurrence.
- Implement and manage cloud security best practices, including identity and access management (IAM), encryption, and network security.
- Monitor and optimize cloud resource usage to ensure cost efficiency and performance.
- Develop and maintain CI/CD pipelines for automated deployment and testing of applications in cloud environments.

Job-Specific Minimum Requirements:

- An active Secret Clearance is required.
- Due to federal requirements, only US Citizens can be considered. Candidates with dual citizenship cannot be considered.
- 12+ years of experience with 7+ years working directly with RHEL. Candidate should show clear career progression in RHEL engineering.
- Demonstrated focus on system integrations and DevOps
- 4+ years should include hands on OpenShift experience.
- Participation in a rotational on-call schedule is required, so candidates must reside within a commutable distance.
- Additional tasks to be assigned as needed.

Preferred Skills and Qualifications:
- Recent experience under Client
- RedHat certifications - RHCE, RedHat Certified - OpenShift, RHCSA, etc

Red Hat Enterprise Linux Administrator · Marathon TS, Inc.

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