Senior RHEL Engineer

Arena Technical Resources, LLC (ATR); Colorado Springs (CO); Presencial; USD 120.000 - 160.000; Jornada completa

Descripción de la vacante

Arena Technical Resources, LLC (ATR) is seeking a Senior RHEL Engineer in Colorado Springs to lead OpenShift deployments and cluster management. The role emphasizes automated provisioning, security hardening, and high availability across environments.

The candidate will design CI/CD pipelines, implement monitoring with Prometheus/Loki/Grafana, and ensure disaster recovery planning while aligning with Federal security requirements.

Formación

• Active Secret Clearance is required.
• US Citizens only due to federal requirements.
• 12+ years in IT with 7+ years in RHEL.
• Experience deploying OpenShift clusters and multi-cluster environments.
• Experience with automation for provisioning and configuration management.

Responsabilidades

• Architect and deploy containerized apps using OpenShift for performance and scalability.
• Implement monitoring/logging with Prometheus, Loki, Grafana for real-time health tracking.
• Migrate OpenShift operations to partially disconnected environments with secure updates.
• Automate cluster provisioning and scaling to reduce deployment time and errors.
• Maintain 99.99% uptime across production and development clusters.

Conocimientos

OpenShift administration

Kubernetes management

Automation scripting

Monitoring and logging

CI/CD pipelines

Cloud security / IAM

Herramientas

OpenShift

Red Hat Satellite

Prometheus

Grafana

Loki

RH Advanced Cluster Manager

Descripción del empleo

Job Title: Senior RHEL Engineer
Job Location: Colorado Springs, CO
Eligibility/Clearance: Active Secret

Job Description: 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.

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 DHS
- RedHat certifications - RHCE, RedHat Certified - OpenShift, RHCSA, etc

Arena Technical Resources, LLC, (ATR) is an Equal Opportunity Employer
(EOE) who will provide equal employment opportunity to employees and
applicants for employment without regard to race, ethnicity, religion,
color, sex, pregnancy, national origin, age, veteran status, ancestry,
sexual orientation, gender identity or expression, marital status,
family structure, genetic information, or mental or physical disability.