Senior OpenShift & Linux Systems Engineer

Jobtailor; New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

Jobtailor is seeking an experienced Systems Engineer to administer OpenShift clusters and RHEL environments in a enterprise setting. You will patch, secure, monitor, and support critical business applications across Linux and AIX platforms, while automating configuration with Puppet and managing secure file transfers.

You will collaborate with development teams, lead disaster recovery exercises, and contribute to modernization initiatives, Azure migrations, and incident response.

Qualifications

• Bachelor's degree or higher preferred.
• 8+ years of IT experience with focus on systems engineering.
• 5+ years hands-on experience administering OpenShift and RHEL environments.
• Experience supporting Linux and AIX enterprise applications.
• Experience with configuration management and automation tools such as Puppet.
• Strong Bash scripting and process automation experience.
• Experience managing SFTP, GPG, SSH keys, and secure file transfers.
• Experience TLS certificate management and secure endpoint configurations.
• Experience supporting disaster recovery planning, documentation, and testing.
• Experience with infrastructure modernization, cloud transformation, or migrations.

Responsibilities

• Administer and support OpenShift clusters hosting critical business applications.
• Perform monthly patching and maintenance across OpenShift and RHEL environments.
• Implement security changes and maintain compliance with enterprise standards.
• Monitor platform health and identify operational risks and performance concerns.
• Troubleshoot infrastructure and application issues with development teams.
• Provide production support for business-critical systems and services.
• Manage and maintain RHEL servers supporting enterprise applications.
• Support applications on Linux and AIX including JBoss/Tomcat/Solr/RabbitMQ.
• Develop and maintain Puppet-based configuration management and CI/CD processes.
• Automate OS configuration, deployment, and installations.
• Design and support secure B2B file transfers using Bash scripting.
• Manage GPG/SSH keys and automate secure file transfers.
• Maintain TLS certificates across platforms.
• Build and test disaster recovery capabilities and procedures.
• Contribute to infrastructure modernization and cloud-readiness efforts.
• Lead or assist in high-severity incident resolution.
• Create technical docs, dependency maps, and runbooks.
• Mentor peers and share engineering knowledge.

Skills

OpenShift Administration

RHEL Administration

Bash Scripting

Puppet Configuration

TLS Certificate Management

SFTP Management

SSH Key Administration

Disaster Recovery Planning

Troubleshooting

Analytical Skills

Communication

Education

Bachelor's Degree

Tools

OpenShift

RHEL

AIX

JBoss

Tomcat

Solr

RabbitMQ

Puppet

Azure

Job description

Jobtailor is seeking an experienced Systems Engineer to administer OpenShift clusters and RHEL environments in a enterprise setting. You will patch, secure, monitor, and support critical business applications across Linux and AIX platforms, while automating configuration with Puppet and managing secure file transfers.

You will collaborate with development teams, lead disaster recovery exercises, and contribute to modernization initiatives, Azure migrations, and incident response.