Senior Systems Engineer - Linux Operations

Senior Systems Engineer – Linux Operations

4+ years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or equivalent work experience
Proven experience in Red Hat Linux system administration
Strong knowledge of Linux troubleshooting, configuration management, and performance tuning
Hands-on experience with Bash scripting and command-line tools for automation
Familiarity with YUM repositories, RPM package management, and Linux vulnerability remediation
Experience working with CI/CD pipeline builds in GitLab
Excellent communication and collaboration skills, with a focus on operational excellence
Understanding of networking, storage, and security principles in a Linux ecosystem

Monitor, troubleshoot, and resolve Linux-related incidents, problems, and system interruptions
Perform Linux system administration, focusing on configuration management, security, and performance tuning
Manage and tune kernel parameters to optimize system performance and stability
Perform in-depth debugging of kernel issues, including crash dumps, oops messages, and performance bottlenecks
Manage YUM repositories, RPM package deployment, and vulnerability remediation
Utilize Bash scripting and CLI tools to automate routine tasks and streamline operations
Contribute to CI/CD pipeline builds using GitLab to enhance system automation and deployment workflows
Ensure systems are compliant with security policies (e.g., DISA STIGs, CIS benchmarks)
Configure and audit SELinux, auditd, and other security-related kernel modules
Collaborate with cross-functional teams to proactively address system vulnerabilities and ensure compliance
Participate in an on-call rotation to support 24/7 Linux infrastructure availability

Experience with configuration management tools (Puppet, Foreman, Ansible, etc.)
Familiarity with cloud environments (AWS, GCP, or Azure) in a Linux operational role