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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Database Administrator - **Company:** LEO Inc - **Location:** Chandler, AZ, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Bash Shell, DevOps, Distributed File Systems, Domain Name System (DNS), Python (Programming Language), Kerberos (Protocol), Lightweight Directory Access Protocols (LDAP), Linux System Administration, Linux Servers, Logical Volume Manager, Simple Mail Transfer Protocols, Network Service, Network Time Protocols, Network Protocols, Performance Tuning, Site Reliability Engineering Practices, Ansible, Sendmail, TCP/IP, Oracle Linux, Software Vulnerability Management, Scripting, Data Storage Management, System Availability, Delivery Pipeline, Reliability of Systems, Postfix, OpenSSH, Infrastructure Automation Frameworks - **Published:** August 11, 2026 - **Apply:** https://www.dice.com/job-detail/b30fd9f6-57d8-4731-8f88-2c115f0c12bb ## About the Role 5+ years of experience in Linux system administration in enterprise environments. Strong expertise in Oracle Enterprise Linux (OEL) systems and FPP. Proven experience in high availability systems, virtualization, and storage management. Hands-on experience with automation and configuration management tools (Ansible preferred). Proficiency in at least one scripting/programming language ( Bash, Python preferred). Strong experience with infrastructure troubleshooting, performance tuning, and incident management. Solid understanding of enterprise infrastructure (compute, storage, network). Excellent analytical, problem-solving, and organizational skills. Strong communication and collaboration skills in a global team environment. ## Description 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. Reliability & Automation (SRE Practices) Define and implement SRE principles, including SLIs, SLOs, and error budgets. Lead initiatives for infrastructure automation (provisioning, configuration, patching) using tools such as Ansible. Build and maintain self-healing systems, reducing manual intervention and improving system resilience. Develop automation for system installation, configuration, and deployment pipelines. System Administration & Infrastructure Management Install, configure, and maintain Oracle Enterprise Linux (OEL) 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 (sendmail/postfix), and OpenSSH. Troubleshoot and support network protocols (TCP/IP, HTTP, HTTPS, RPC). Monitoring, Incident Management & Support Implement and enhance monitoring, alerting, 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. Oversee break/fix operations, ensuring timely resolution and minimal business impact. Security & Compliance 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. Leadership & Collaboration 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. Documentation & Governance Maintain comprehensive documentation for architecture, processes, and operational procedures. Ensure adherence to change management and incident governance frameworks. Standardize operational workflows across environments. ## Related Videos - [Hacking MSSQL on Cloud. All of them. 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