UNIX System Administrator

Roles/Responsibilities:

1. AIX/IBM System Administration

• Perform day-to-day administration maintenance upgrades and troubleshooting of AIX systems VIOS HMCs and Managed Systems.
• Provision and manage AIX virtual server builds using PowerVM technology.
• Perform administration of AIX LPARs configured as part of a PowerHA cluster.
• Conduct vulnerability assessments and implement remediation strategies to secure AIX/IBM environments.
• Manage IBM Power lifecycle migrations including planning execution and validation.
• Integrate AIX Logical Partitions (LPARs) with the Configuration Management Database (CMDB) for accurate asset tracking.
• Support application migrations from AIX/IBM platforms to Red Hat on x86 architectures or to Cloud hosted environments.

2. Red Hat Enterprise Linux Administration

• Administer maintain upgrade and troubleshoot Red Hat Enterprise Linux systems.
• Identify and remediate vulnerabilities within RHEL environments to meet security compliance standards.
  1. 1. Documentation and Asset Management
• Maintain up-to-date documentation and technical diagrams related to the UNIX infrastructure and processes.
• Ensure all system changes migrations and configurations are accurately recorded and aligned with organizational policies.

1. Collaboration and Continuous Improvement

• Work collaboratively with cross-functional teams including security application development and infrastructure to support system requirements.
• To participate in outage planning capacity planning and performance tuning to optimize system availability.
• Contribute to the development and implementation of best practices and standard operating procedures for UNIX system management.

1. Other Duties

• Perform additional responsibilities and special projects as assigned by management to support the overall IT infrastructure goals.

Mandatory Skills:

1. Must have minimum five (5) years experience with server infrastructure in an Enterprise
2. level environment.
3. Must have minimum five (5) years experience with IBM AIX in an Enterprise level environment.
4. Must have minimum five (5) years experience with building patching and administering AIX PowerHA HMC VIOS & Managed Systems.
5. Must have experience with troubleshooting of AIX based environment.
6. Must have experience with IBM PowerVM virtualization environment (AIX).
7. Must have experience with system build processes and procedures in a virtualized environment.
8. Must have experience with monitoring capabilities to assist in troubleshooting and preventative maintenance in a UNIX based environment.
9. Must have experience with hardening Operating Systems to meet information security standards

Desirable Skills:

1. Experience with shell scripting/programming
2. Experience with IBM Big Fix Patch Management
3. Experience with IBM Tivoli Monitoring
4. Experience with Ansible
5. Experience with physical server hardware break/fix
6. Excellent problem-solving and troubleshooting skills related to AIX PowerHA HMC VIOS & Managed Systems.
7. Experience administering Red Hat Enterprise Linux in an enterprise environment