UNIX Midrange Support

Key Responsibilities
Ensure a secure, highly available Data Centre environment to support business requirements
Continuously monitor systems, platforms, and environments for availability, capacity, and performance
Proactively manage configuration management, asset reporting, and infrastructure refresh activities to minimize service disruptions
Provide backup and recovery, disaster recovery services, and high-availability environments as required
Manage incidents and problems effectively by following established escalation and notification procedures
Collaborate with third parties to ensure compliance with best practices, organizational policies, procedures, and regulatory requirements
Monitor Data Centre facilities to ensure adequate infrastructure for current and planned server and computing requirements, including rack space, power, UPS support, network and SAN cabling, core switch and firewall port availability, HVAC systems, blade chassis slots, and physical security
Assist with provisioning hardened and secure data center environments
Follow industry best practices for facility services, including power redundancy and air conditioning
Provide escorted access for non-authorized personnel and representatives
Manage environmental controls, including temperature and humidity within raised-floor spaces
Support fire alarms and fire suppression systems
Support conditioned UPS-based electrical circuits and uninterruptible power supply systems
Ensure physical security of equipment, forms, tapes, and documentation
Provide temporary access to shared office facilities as appropriate
Maintain redundant data communication entry points to the facility
Prepare audit reports as required by auditors or internal audit teams
Monitor, manage, optimize, and control direct access storage performance
Initialize direct access storage volumes, establish standards, and perform catalog management
Administer, maintain, back up, recover, track, control, monitor, and report DASD and tape storage utilization
Analyze performance, capacity, availability, and load-balancing trends related to data storage
Identify and maintain appropriate threshold levels to minimize potential storage constraints
Communicate disk space availability, storage-related issues, and potential problem areas
Manage data movement, mirroring, and remote vaulting
Create and maintain plans for system and user catalogs, including incremental and full-volume backup and recovery
Recommend efficient block sizes, migration criteria, and other parameters affecting DASD usage and capacity
Allocate storage pools for production and testing environments based on approved service requests
Report on direct access storage utilization, allocation, and historical dataset usage
Project future capacity requirements and trends for new projects and communicate findings to appropriate personnel
Monitor and document current workload trends
Provide information to management to support future capacity planning
Define current and future capacity and performance requirements and plans
Execute approved requests for additional capacity for Intel Windows-based servers
Test server performance, capacity, and throughput for new or modified applications before deployment into the environment
Establish schedules for dedicated server maintenance, including virus and malware detection, backups, and disk space cleanup
Implement modifications and enhancements to minimize the impact on environment availability
Define performance thresholds and indicators using selected monitoring tools for UNIX server platforms
Install and configure operating system management agents using Server Resource Management (SRM) tools or equivalent
Perform appropriate resolution activities, including performance tuning, when Midrange/UNIX server performance is impacted
Monitor, collect, and analyze server performance and utilization data, including CPU, memory, LPARs, and disk space
Compile configuration data and performance trends
Establish thresholds and exception reporting procedures
Develop, review, and update standard reporting templates
Provide ad hoc reports as requested by management or business units
Work with business units to define availability requirements
Ensure appropriate personnel are available to coordinate with server teams to isolate and resolve problems
Develop and maintain availability plans
Track, analyze, and report on system availability
Provide hardware maintenance in accordance with equipment manufacturer's specifications
Recommend improvements to system availability
Support the selection or definition of requirements for application software
Operate application software selected by the organization, provided it conforms to established operating environment standards
Provide computer room operations support and perform console monitoring for alerts generated by systems management tools
Schedule system maintenance with Service Owner approval to minimize disruption to business operations
Monitor ad hoc job submissions to production and User Acceptance Testing (UAT) Midrange/UNIX systems to verify successful completion
Follow ITIL disciplines to execute incident and problem management processes
Process incidents received from the Service Desk according to defined Service Level Understandings (SLUs) within the trouble ticketing system
Collaborate with other support teams to provide effective incident resolution

Required Qualifications
9+ years of experience
Bachelor's Degree in Computer Engineering
Bachelor's Degree in Computer Science
ITIL Foundation
ITIL Service Manager

Skills
Midrange Server Configuration and Administration
Linux Administration
AIX Administration
SAN/NAS Storage Technologies
Azure Linux Hosts and Storage
NetBackup
Server Resource Management (SRM) Tools
ITIL Service Management
UPS and Power Infrastructure Support
Fire Suppression and Environmental Controls
Data Centre Operations
Incident Management
Problem Management
Backup and Recovery
Disaster Recovery Planning
Capacity Management
Performance Management
Availability Management
Configuration Management
Storage Management
Vendor Management
Audit Reporting
Continuous Improvement

Schedule
Start date: 2026-11-10