Linux System Engineer

Job Title: Linux System Engineer

Location: Plano, TX

Job Description:

Lead the administration monitoring and performance tuning of Oracle Linux environments with a focus on platform architecture automation and reliability engineering

• Lead the administration, monitoring, and performance tuning of Oracle Enterprise Linux (OEL) environments in a large-scale enterprise ecosystem.
• Oversee the design, build, and lifecycle management of Linux servers, including storage, virtualization, and associated infrastructure.
• Manage high availability (HA) configurations, clustering, and load-balanced environments to ensure minimal downtime.
• Drive capacity planning, performance optimization, and system scalability initiatives.
• Define and implement Site Reliability Engineering (SRE) principles, including SLIs, SLOs, and error budgets.
• Lead infrastructure automation initiatives using tools such as Ansible and Azure DevOps.
• Build and maintain self-healing systems to reduce manual intervention and improve system resilience.
• Develop automation for system installation, configuration, and deployment pipelines.
• Install, configure, and maintain Oracle Enterprise Linux operating systems and related software stacks.
• Manage Logical Volume Manager (LVM) configurations, including volume groups and filesystem expansion.
• Administer distributed file systems, NFS servers/clients, and automount configurations.
• Maintain network services such as DNS, NTP, LDAP/Kerberos, SMTP, and OpenSSH.
• Troubleshoot and support network protocols, including TCP/IP, HTTP, HTTPS, and RPC.
• Implement and enhance monitoring and observability frameworks for proactive issue detection.
• Lead incident response, root cause analysis (RCA), and postmortem reviews.
• Drive continuous improvement by identifying systemic issues and implementing preventive solutions.
• Ensure systems are secure, hardened, and compliant with enterprise security standards.
• Manage patching, vulnerability remediation, and OS upgrades.
• Partner with security teams to implement best practices for access control, auditing, and encryption.
• Provide technical leadership and mentorship to SRE and infrastructure teams.
• Collaborate with application, DevOps, and platform teams to improve system reliability and deployment processes.
• Define and enforce operational standards, runbooks, and best practices.
• Drive cross-functional initiatives to enhance platform stability and efficiency.
• Maintain comprehensive documentation for architecture, processes, and operational procedures.
• Ensure adherence to change management and incident governance frameworks.
• Standardize operational workflows across environments.
• Utilize strong Bash/Shell scripting skills for automation and troubleshooting.

Roles and Responsibilities:

• Lead platform architecture and implementation efforts for Oracle Linux environments.
• Administer and optimize Oracle Linux systems with a focus on reliability and performance.
• Implement automation and configuration management using Azure DevOps and Ansible.
• Develop and maintain scripts using Bash/Shell to automate routine tasks and deployments.
• Manage high availability setups, clustering, and load balancing to ensure system uptime.
• Monitor system health and respond promptly to incidents, performing root cause analysis.
• Collaborate with cross-functional teams to enhance system reliability and deployment pipelines.
• Ensure compliance with security standards and participate in vulnerability management.
• Mentor and guide junior engineers on best practices and operational procedures.
• Document system architecture, processes, and incident reports to maintain knowledge base.

We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, citizenship status, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable law. https://www.e-verify.gov/sites/default/files/everify/posters/IER_RighttoWorkPoster.pdf