iSeries (AS/400) Infrastructure Administrator – L3

HCLTech; Bogotá; Presencial; COP 282.397.000 - 376.530.000; Jornada completa

Descripción de la vacante

HCLTech is seeking a highly experienced iSeries (AS/400) Infrastructure Administrator – L3 to lead administration, optimization, modernization, and support of enterprise i environments.

The role serves as the highest level of technical escalation, mentoring L1/L2 teams, and ensuring reliability, availability, and security of business-critical i platforms while coordinating with vendors.

Formación

• 11+ years of AS/400 iSeries administration experience.
• Leads L3 escalation and provides technical mentorship.

Responsabilidades

• Provide technical leadership and mentorship to L1/L2 teams.
• Develop procedures and best practices for i administration.
• Analyze and optimize system performance and capacity planning.
• Design and administer security policies and SSL/SSH controls.
• Plan and implement backup, recovery, and DR strategies.
• Design and administer HA/DR environments and DR testing.
• Administer storage, IFS, and storage security configurations.
• Configure TCP/IP networking and job scheduling on i systems.
• Manage HMC, VIOS, and VIOS upgrades and health checks.
• Coordinate firmware updates and ensure compatibility across layers.
• Participate in architecture reviews and incident management.

Conocimientos

Technical Leadership

System Administration

Performance Optimization

Security Administration

Backup & Recovery

Disaster Recovery

High Availability

Storage Administration

Network Configuration

Vendor Coordination

Herramientas

HMC

VIOS

SSL Certificates

SSH Security

BRMS

NPIV

Descripción del empleo

iSeries (AS/400) Infrastructure Administrator – L3

Experience: 11+ Years

Job Summary:

We are seeking a highly experienced AS/400 (iSeries) System Administrator - L3 to lead the administration, optimization, modernization, and support of enterprise i environments. The ideal candidate will serve as the highest level of technical escalation for i infrastructure, providing expertise in performance tuning, security, backup and recovery, high availability, disaster recovery, storage management, and system upgrades. The role requires strong technical leadership, solution design capabilities, vendor coordination, and the ability to mentor L1 and L2 support teams while ensuring the reliability, availability, and security of business-critical i platforms.

Key Responsibilities

Technical Leadership & Escalation Management

• Provide technical leadership and mentoring to L1 Operators and L2 Administrators.
• Develop operational procedures, standards, and best practices for i administration.

System Administration & Performance Optimization

• Analyze and optimize system performance, Assessments and capacity planning.
• Generate executive-level reports on system availability, performance, and operational metrics.

Security Administration

• Design and administer i security policies and controls.
• Implement and maintain SSL Certificates, Digital Certificates, SSH Security, Secure Key Generation
• Support security audits, compliance requirements, and vulnerability remediation activities

Backup, Recovery & Business Continuity

• Ensure successful execution and monitoring of backup schedules.
• Analyze backup failures, unsaved objects, and BRMS-related issues.
• Develop and maintain backup and recovery strategies aligned with business requirements

High Availability & Disaster Recovery

• Design, implement, and administer High Availability (HA) and Disaster Recovery (DR) environments.
• Lead DR planning, testing, failover, and failback activities.
• Ensure HA/DR environments meet organizational RPO and RTO objectives.

Storage Administration

• Administer internal and external storage environments.
• Perform storage expansion, disk balancing, performance tuning, and storage security configuration.
• Administer the Integrated File System (IFS).

Network & Infrastructure Management

• Design, configure, and troubleshoot TCP/IP networking on i systems.
• Administer network connectivity for servers, HMCs, tape libraries, and integrated services.
• Administer Advanced Job Scheduler environments.
• Design and manage job scheduling strategies for production workloads.

Tape Library & Device Administration

• Administer enterprise tape library infrastructure.
• Manage tape devices, firmware upgrades, media Lifecycle, Tape movement and retention policies.

System Maintenance & Upgrades

• Plan and execute i operating system upgrades & PTF Management
• Lead infrastructure maintenance and upgrade activities.
• Support application deployments across all i partitions.

HMC Administration

• Install, configure, and administer Hardware Management Consoles (HMC).
• Create and manage managed systems, frames, and partitions.
• Perform HMC software updates and upgrades.
• Configure user access, security policies, and system monitoring.
• Maintain HMC backups and recovery procedures.
• Plan and execute Power server firmware upgrades.
• Coordinate firmware updates with business and application teams.
• Validate compatibility of firmware, OS, HMC, and VIOS levels.
• Perform pre-upgrade and post-upgrade health checks.
• Troubleshoot firmware-related issues and escalations.
• Call home Setup & SSL Certificate update
• Install, configure, and maintain Virtual I/O Servers (VIOS).
• Configure Virtual SCSI, NPIV, Virtual Ethernet, and Shared Ethernet Adapters (SEA).
• Manage storage presentations and SAN connectivity.
• Perform VIOS upgrades, patching, and troubleshooting.
• Ensure high availability and redundancy of virtualized resources.
• Perform LPAR disk management (add /remove disks for LPAR) on VIOS
• Setup Virtual Media Library management on VIOS for i LPARs (OS Load). Configure VTLs for backup

Other Responsibilities

• Coordinate with Third-party vendors for problem resolution and support cases.
• Participate in architecture reviews and infrastructure planning discussions.
• Provide technical consultation to project teams and business stakeholders.
• Lead service improvement initiatives and operational governance meetings.
• Participation in on-call rotations and critical incident management.
• Lead planned maintenance, upgrades, migration projects, and disaster recovery exercises outside business hours when required.