Senior Systems Engineer - Linux Operations

NOTE: This position requires passing a ServiceNow background screening, USFedPASS (US Federal Personnel Authorization Screening Standards). This includes a credit check, criminal/misdemeanor check and taking a drug test. Any employment is contingent upon passing the screening. Due to Federal requirements, only US citizens, US naturalized citizens or US Permanent Residents, holding a green card, will be considered. This role will require 2-3 days in the office at our San Diego, CA OR Kirkland, WA OR Santa Clara, CA OR Orlando, FL Office Location. We are seeking a Systems Engineer with a strong operational focus to support and enhance our Red Hat Linux environment. This role is essential in ensuring the stability, security, and efficiency of our Linux infrastructure by addressing incidents, resolving problems, and managing operational interruptions.The ideal candidate is self-driven, highly motivated, and thrives in a collaborative, fast-paced environment. They will play a key role in troubleshooting Linux configuration issues, interoperability challenges, and performance optimizations while contributing to operational excellence.This role will be part of an on-call rotation to ensure system reliability and availability as part of the Systems Engineering organization’s delivery model.What you get to do in this role: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.