Enterprise Server Admin (Unix)

Lagos - Nigeria

Monthly Salary: Not Disclosed

Posted on: 30+ days ago

Vacancies: 1 Vacancy

Job Summary

System Management: Install configure maintain and secureIBM AIX andRed Hat Enterprise Linux environments.
Virtualization: AdministerPowerVM technologies includingLPARs VIO servers NPIV vSCSI andShared Storage Pools.
Storage & Networking: Configure and manageSAN/NAS storage and complex network environments includingbonding VLANs andfirewall rules.
Performance & Tuning: Monitor system performance performroot cause analysis and implement advanced tuning andcapacity planning strategies.
Patching & Upgrades: Plan test and executeOS patching firmware updates andmajor version migrations in line with change management processes.
Security & Compliance: Ensure systems adhere tosecurity hardening auditing andcompliance standards collaborating withInfoSecandInternal Audit teams for vulnerability management and remediation.
Automation: Develop and maintain automation scripts (Shell Perl Python Ansible) to streamline operations and improve efficiency.
Backup & Recovery: Implement manage and testbackup and disaster recovery solutions such asSpectrum Protect andmksysb.
Red Hat Ecosystem Management: AdministerRed Hat Satellite Server for centralized patching lifecycle management and content synchronization.
Systems Monitoring & Support: Monitor system health logs and performance metrics to ensure uptime and stability. ProvideTier 2 and Tier 3 support for Linux-based systems and collaborate with application teams to resolve incidents promptly.
Subscription & Licensing Management: Manage and allocateRed Hat subscriptions via theCustomer Portal andSatellite ensuring license compliance and tracking entitlements across RHEL deployments.

Backup and Storage Administration:

Manage and maintain enterprise backup and storage systems to ensure data integrity availability and recoverability.
Implement and monitor backup policies schedules and retention strategies in line with business and compliance requirements.
Perform capacity planning performance tuning and system upgrades to optimize storage utilization and reliability.
Troubleshoot and resolve complex backup and recovery issues while ensuring adherence to disaster recovery and business continuity standards.

Experience: Minimum 3 years of experience as a Unix System Administrator (AIX and/or RHEL) in an enterprise environment.
Technical Proficiency: Strong hands-on experience with IBM AIX OS PowerVM VIOS (Virtual I/O Server) administration and NIM (Network Installation Manager).
Hardware Expertise: In-depth knowledge of IBM Power Systems hardware (e.g. E980) and related infrastructure components.
Networking: Solid understanding of TCP/IP networking DNS and advanced network configuration within Unix environments.
Storage Management: Proven experience configuring and managing enterprise storage systems (SAN/NAS) including multipathing (MPIO) and LUN management.
Backup & Recovery: Practical experience with enterprise backup solutions backup scheduling monitoring and restoration testing.
Scripting & Automation: Proficiency in shell scripting (Korn shell Bash) and familiarity with automation tools such as Ansible for system administration and monitoring.
Education: Bachelors degree in computer science Information Technology or a related field or equivalent practical experience.
Certifications: IBM Certified System Administrator AIX (Version 7 or 7.2/7.3) (or equivalent).
ITIL: Familiarity with IT Service Management (ITSM) and ITIL processes.

System Management: Install configure maintain and secureIBM AIX andRed Hat Enterprise Linux environments.Virtualization: AdministerPowerVM technologies includingLPARs VIO servers NPIV vSCSI andShared Storage Pools.Storage & Networking: Configure and manageSAN/NAS storage and complex network environm...

System Management: Install configure maintain and secureIBM AIX andRed Hat Enterprise Linux environments.
Virtualization: AdministerPowerVM technologies includingLPARs VIO servers NPIV vSCSI andShared Storage Pools.
Storage & Networking: Configure and manageSAN/NAS storage and complex network environments includingbonding VLANs andfirewall rules.
Performance & Tuning: Monitor system performance performroot cause analysis and implement advanced tuning andcapacity planning strategies.
Patching & Upgrades: Plan test and executeOS patching firmware updates andmajor version migrations in line with change management processes.
Security & Compliance: Ensure systems adhere tosecurity hardening auditing andcompliance standards collaborating withInfoSecandInternal Audit teams for vulnerability management and remediation.
Automation: Develop and maintain automation scripts (Shell Perl Python Ansible) to streamline operations and improve efficiency.
Backup & Recovery: Implement manage and testbackup and disaster recovery solutions such asSpectrum Protect andmksysb.
Red Hat Ecosystem Management: AdministerRed Hat Satellite Server for centralized patching lifecycle management and content synchronization.
Systems Monitoring & Support: Monitor system health logs and performance metrics to ensure uptime and stability. ProvideTier 2 and Tier 3 support for Linux-based systems and collaborate with application teams to resolve incidents promptly.
Subscription & Licensing Management: Manage and allocateRed Hat subscriptions via theCustomer Portal andSatellite ensuring license compliance and tracking entitlements across RHEL deployments.

Backup and Storage Administration:

Manage and maintain enterprise backup and storage systems to ensure data integrity availability and recoverability.
Implement and monitor backup policies schedules and retention strategies in line with business and compliance requirements.
Perform capacity planning performance tuning and system upgrades to optimize storage utilization and reliability.
Troubleshoot and resolve complex backup and recovery issues while ensuring adherence to disaster recovery and business continuity standards.

Experience: Minimum 3 years of experience as a Unix System Administrator (AIX and/or RHEL) in an enterprise environment.
Technical Proficiency: Strong hands-on experience with IBM AIX OS PowerVM VIOS (Virtual I/O Server) administration and NIM (Network Installation Manager).
Hardware Expertise: In-depth knowledge of IBM Power Systems hardware (e.g. E980) and related infrastructure components.
Networking: Solid understanding of TCP/IP networking DNS and advanced network configuration within Unix environments.
Storage Management: Proven experience configuring and managing enterprise storage systems (SAN/NAS) including multipathing (MPIO) and LUN management.
Backup & Recovery: Practical experience with enterprise backup solutions backup scheduling monitoring and restoration testing.
Scripting & Automation: Proficiency in shell scripting (Korn shell Bash) and familiarity with automation tools such as Ansible for system administration and monitoring.
Education: Bachelors degree in computer science Information Technology or a related field or equivalent practical experience.
Certifications: IBM Certified System Administrator AIX (Version 7 or 7.2/7.3) (or equivalent).
ITIL: Familiarity with IT Service Management (ITSM) and ITIL processes.

Key Skills

LDAP
NFS
Solaris
Apache
NIS
Linux
Perl
SAN
Shell Scripting
System Administration
openSUSE
Dns

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Wema Bank

Wema Bank is the pioneer of Africa';s first fully digital bank, ALAT, and one of Nigeria';s most resilient banks. With decades of experience in the business of banking, the Bank has remained innovative in delivering value to its stakeholders. The publicly quoted Nigerian company has s ... View more

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