AIX/RHEL Server Administrator

Key Responsibilities:

• Install, configure, and maintain

  AIX (v7.x)

  and

  RHEL (v7/8/9)

  systems.
• Perform routine server administration tasks including system monitoring, patching, performance tuning, and troubleshooting.
• Manage LVM, file systems, NFS, and other core Unix/Linux services.
• Administer system backups and recovery procedures using tools like

  NIM, mksysb

  , and

  yum/dnf

  repositories.
• Monitor system performance, availability, and usage statistics; optimize server resources.
• Implement and enforce system security standards and compliance (e.g., STIG, CIS, GDPR, PCI).
• Work with storage teams to manage SAN/NAS integration and disk provisioning.
• Collaborate with application, middleware, and database teams to support deployments and updates.
• Automate tasks using shell scripting, Python, or Ansible.
• Maintain system documentation, SOPs, and contribute to ITIL-based change, incident, and problem management.
• Participate in 24x7 on-call rotation and disaster recovery planning/execution.

Required Skills and Qualifications:

• 5+ years of experience with

  AIX system administration

  (HACMP, NIM, VIO, PowerHA a plus).
• 5+ years of experience with

  RHEL administration

  (RHCSA/RHCE preferred).
• Strong knowledge of

  TCP/IP networking, DNS, NTP, LDAP, SSH

  , and system logging.
• Experience with virtualization platforms (e.g.,

  IBM PowerVM, KVM, VMware

  ).
• Proficiency in shell scripting (

  bash

  ,

  ksh

  ) and automation tools like

  Ansible

  .
• Familiar with

  security hardening, SELinux, firewalld

  , and system auditing.
• Hands-on experience in system monitoring tools like

  Nagios, Zabbix, or Prometheus

  .
• Comfortable with ticketing systems (ServiceNow, Remedy) and ITIL processes.

Preferred Qualifications:

• Red Hat Certified Engineer (RHCE)
• IBM Certified System Administrator AIX
• Experience with configuration management tools (e.g.,

  Ansible, Puppet

  )
• Familiarity with cloud infrastructure (AWS, Azure, or IBM Cloud) is a plus
• Exposure to containerization (Docker/Podman) and orchestration (Kubernetes/OpenShift) a plus

Soft Skills:

• Strong analytical and troubleshooting skills
• Excellent communication and collaboration with cross-functional teams
• Ability to work independently and handle multiple priorities
• Detail-oriented with a proactive approach to system reliability