Senior System Engineer (AIX, Oracle Linux, Red Hat Linux) (T00030966)

AIX System Administration:

• Install, configure, and maintain IBM AIX systems, including PowerVM and VIO servers.
• Optimize system performance via kernel tuning, resource management, and workload balancing.
• Manage user access, authentication, and system hardening to meet compliance standards.
• Handle OS patching, firmware upgrades, and system migrations with minimal service disruption.
• Resolve system errors, kernel panics, and hardware/software issues.
• Administer LVM, JFS2 file systems, and backup/recovery solutions (e.g., IBM Spectrum Protect).
• Develop and maintain automation scripts using shell scripting and Ansible.

Oracle Linux Administration:

• Deploy and manage Oracle Linux environments for enterprise workloads.
• Apply UEK tuning for performance optimization and system reliability.
• Secure systems using SELinux configurations, auditing, and system hardening techniques.
• Configure and support Oracle Linux virtualization (KVM) and container platforms (Podman, Docker).
• Manage YUM repositories and conduct OS/kernel patching.

Red Hat Enterprise Linux (RHEL) Administration:

• Install and maintain RHEL 7/8/9 for enterprise applications and critical services.
• Use Red Hat Satellite and Ansible for system automation and lifecycle management.
• Configure storage solutions (LVM, RAID) and manage security features (SELinux, firewalld).
• Monitor and tune system/network performance; implement observability tools like Prometheus and Grafana.
• Work with Red Hat support to troubleshoot and resolve system-level issues.

SAN Storage Administration:

• Configure, monitor, and manage enterprise SAN storage (IBM, Dell EMC, NetApp, Hitachi, Pure Storage, HPE 3PAR).
• Optimize storage performance through zoning, multipathing, and RAID configuration.
• Provision LUNs and manage storage replication, snapshots, and backup strategies.
• Administer connectivity using FC, iSCSI, and NVMe protocols.
• Support backup and disaster recovery plans and resolve storage-related issues.

Qualifications

Education:

• Bachelor’s degree in Computer Science, Information Technology, or a related discipline.

Certifications (preferred):

• IBM Certified System Administrator – AIX
• Red Hat Certified Engineer (RHCE) or Architect (RHCA)
• Oracle Linux Implementation Specialist
• IBM Certified Specialist – Storage Solutions
• Vendor certifications (NetApp, Dell EMC, Hitachi, Pure Storage, etc.)

Experience & Technical Skills

• 5+ years in system administration across AIX, Oracle Linux, RHEL, and SAN environments.
• In-depth experience with IBM Power Systems, PowerVM, LPARs, and VIO management.
• Strong storage infrastructure background: provisioning, tuning, replication, and DR.
• Skilled in kernel and performance tuning, diagnostics, and incident resolution.
• Proficient in scripting (Bash, Python) and automation using Ansible.
• Working knowledge of enterprise networking, VLANs, and security practices.
• Familiarity with Oracle Databases, Exadata, and Linux-based high availability/clustering.