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About the Role

Seeking a highly experienced Senior AIX Systems Administrator to support critical banking platforms. This role is responsible for the administration, maintenance, security, performance, and availability of IBM Power Systems and AIX environments. The ideal candidate will possess extensive hands-on experience across AIX administration, IBM Power hardware management, virtualization, disaster recovery, automation, and regulatory compliance in regulated industries. This position participates in an on-call rotation for 24x7 operational support.

Responsibilities

Administer, configure, maintain, and troubleshoot IBM AIX operating systems.
Perform installation, upgrades, patching, and lifecycle management of AIX systems.
Monitor system performance and capacity, proactively identifying and resolving infrastructure issues.
Manage file systems, storage allocation, volume groups, logical volumes, and system resources.
Perform performance tuning and optimization of AIX operating environments.
Manage IBM Power servers, including Power9, Power10, and future platforms.
Administer Hardware Management Consoles (HMCs), firmware upgrades, and hardware maintenance.
Configure and support LPARs, virtual I/O servers (VIOS), shared processor pools, and virtualization technologies.
Coordinate hardware refreshes, migrations, and capacity planning activities.
Ensure system configurations comply with banking regulatory, audit, and cybersecurity requirements.
Support internal and external audits and remediation efforts.
Implement security hardening standards, vulnerability remediation, and patch management processes.
Maintain compliance with FFIEC guidance, PCI-DSS, SOX controls, NIST standards, CIS Benchmarks, and Enterprise Information Security policies.
Support high-availability configurations and business continuity initiatives.
Participate in recovery exercises and document recovery procedures.
Develop and/or troubleshoot automation scripts using Shell, KornShell (ksh), Perl, Python, or equivalent tools.
Create and maintain technical documentation, runbooks, and operational procedures.
Serve as an escalation point for complex AIX and Power Systems issues.
Lead root cause analysis activities and implement corrective actions.
Partner with application, database, storage, network, and security teams to resolve infrastructure issues.
Participate in a rotating 24x7 on-call support schedule.
Respond to critical production incidents during evenings, weekends, and holidays.
Support planned maintenance activities outside normal business hours.
Participate in change management processes and meetings.
Coordinate maintenance outages with application teams.
Execute platform upgrades and lifecycle management.
Package and deploy third-party software.
Plan and execute system and platform migrations.
Conduct IAM reviews and manage deviations.
Perform audit issue remediation management.
Conduct baseline reviews and ongoing maintenance.

Requirements

Bachelor's Degree and 6 years of experience in Systems engineer and systems programmer OR High School Diploma or GED and 10 years of experience in Systems engineer and systems programmer.
10+ years of enterprise-level AIX administration experience supporting mission-critical environments.
10+ years of hands-on experience supporting IBM Power Systems hardware platforms.
Expert-level knowledge of IBM AIX 7.x, IBM Power Systems (Power9, Power10), Hardware Management Console (HMC), Virtual I/O Server (VIOS), PowerVM Virtualization, Logical Partitioning (LPAR), and Network Installation Manager (NIM).
Advanced experience with SAN storage and multipathing, TCP/IP networking, DNS, LDAP, SSH, and NTP.
Advanced experience with backup, recovery, and disaster recovery solutions.
Advanced experience with performance monitoring, tuning, and capacity management.
Strong Unix Shell Scripting expertise (ksh, bash, and sh) with the ability to develop, maintain, and troubleshoot complex automation scripts.
Demonstrated experience developing and maintaining Ansible playbooks, roles, inventories, and automation workflows.
Experience supporting systems within highly regulated industries, preferably banking or financial services.
Working knowledge of regulatory and compliance requirements, including FFIEC, PCI-DSS, SOX, NIST Security Framework, and CIS Benchmarks.
Experience supporting high-availability and disaster recovery configurations.
Strong troubleshooting, root cause analysis, and problem-solving skills.
Excellent verbal and written communication skills.

Skills

AIX administration
IBM Power hardware management
Virtualization technologies
Disaster recovery
Automation
Regulatory compliance
Shell scripting
KornShell (ksh)
Perl
Python
Ansible
Mainframe support
Desktop support
Windows support
UNIX system support
Server Virtualization
Configuration Management
Directory and Authentication services
Data warehouse architecture principles
BI or Enterprise Reporting Frameworks
Business Continuity Processes
PowerShell
JavaScript
SMP/E
Iebgenr
Iebcopy
Systems network architecture (SNA)
Transmission Control Protocol/Internet Protocol (TCP/IP)
Domain Name System (DNS)
NetBIOS Extended User Interface (NetBEUI)
Relational database management system fundamentals
DB2
SQL Server
Oracle
PowerVM Virtualization
Logical Partitioning (LPAR)
Network Installation Manager (NIM)
SAN storage
Multipathing
LDAP
SSH
NTP
Backup solutions
Recovery solutions
Performance monitoring
Capacity management
Bash scripting
sh scripting
Ansible playbooks
Ansible roles
Ansible inventories
Ansible automation workflows
Terraform
Enterprise monitoring solutions
Red Hat Linux administration
IAM reviews
Audit issue remediation
Baseline reviews
Ownership and accountability
Analytical skills
Problem-solving skills
Attention to detail
Risk awareness
Security mindset
Customer service orientation
Ability to perform effectively under pressure
Collaboration skills
Leadership skills

Location

Arizona
North Carolina
Texas

Work Type

Remote
On-call

Experience Level

Senior
6 years of experience in Systems engineer and systems programmer
10 years of experience in Systems engineer and systems programmer
10+ years of enterprise-level AIX administration experience
10+ years of hands-on experience supporting IBM Power Systems hardware platforms

Education Level

Bachelor's Degree
High School Diploma or GED

Benefits

Competitive, thoughtfully designed and quality benefits program

About the Company

First Citizens Bank is committed to providing a competitive, thoughtfully designed and quality benefits program to meet the needs of our associates.