Senior RHEL Engineer

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
Open Shift 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
Open Shift, 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 Open Shift 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 Open Shift 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 Dev Ops
- 4+ years should include hands on Open Shift 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
- Red Hat certifications - RHCE, Red Hat Certified - Open Shift, 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.