At Cognizant we have an ideal opportunity for you to be part of one of the largest companies in the digital sector worldwide. A Great Place To Work where we look for people who contribute new ideas, experiencing a dynamic and growing environment. At Cognizant we promote an inclusive culture, where we value different perspectives providing career growth and development opportunities. #WelcomeToCognizant!

We are seeking an experienced Hardware Management Systems Administrator responsible for the planning, configuration, implementation, and support of IBM Z hardware infrastructure. The individual will lead hardware refresh and migration initiatives, including z16 to z17 upgrades, processor activations, I/O configuration management, LPAR administration, and enterprise infrastructure transformation projects.
The role requires extensive knowledge of IBM Z server architecture, I/O subsystem design, HCD/HCM administration.

Primary Skills

HCD
HCM
IODF Generation
IOCP Concepts
Hardware Activation Processes
FICON, DASD and TAPE Subsystems
OSA Adapters
HiperSockets

ADVANCED ENGLISH IS A MUST
Hybrid role in Guadalajara or Mexico City

Core Responsibilities

Administer IBM Z hardware platforms including z16, z17 and future IBM Z generations.
Manage hardware lifecycle activities including installation, upgrades, maintenance, and decommissioning.
Support day-to-day hardware administration activities across production and disaster recovery environments.
Coordinate hardware maintenance activities with IBM and third-party vendors.
Hardware Upgrade and Refresh Management
Lead hardware migration projects including z16 to z17 upgrades and technology refresh initiatives.
Develop upgrade strategies, migration plans, implementation procedures, and rollback plans.
Coordinate hardware installation, configuration, testing,



and production cutover activities.
HCD / HCM Administration. Develop and maintain Hardware Configuration Definition (HCD) environments.
Administer Hardware Configuration Manager (HCM) repositories and configuration models.
Create, modify, validate, and maintain hardware configuration definitions.
Ensure consistency between logical and physical hardware configurations.
IODF Generation and Management
Experience create and maintain IODFs supporting multiple environments. Configure and Validate Processor Definition,
Channel paths, Control units, DASD subsystems, Tape subsystems, Network devices, FICON infrastructure.
Support dynamic and planned I/O reconfigurations.
Manage FICON channel infrastructure and path definitions.
Configure channel path redundancy and resiliency.
Analyze and resolve hardware connectivity issues.
Support SAN and storage integration projects.
Define, configure, and maintain Logical Partitions (LPARs).Perform LPAR activation and configuration changes.
Manage processor allocations including: CPs, zIIPs, IFLs, Specialty engines
Datacenter Migration Support

Why Cognizant?
Improve your career in one of the largest and fastest growing IT services providers worldwide
Receive ongoing support and funding with training and development plans
Have a highly competitive benefits and salary package
Get the opportunity to work for leading integral companies
We are committed to respecting human rights and build a better future by helping your minds and the environment
We invest in people and their wellbeing.

We create conditions for everyone to thrive.

We do not discriminate based on race, religion, color, sex, age, disability, nationality, sexual orientation, gender identity or expression, or for any other reason covered.

At Cognizant we believe than our culture make us stronger!

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📌 Hardware Management System Administrator (Guadalajara)
🏢 Cognizant
📍 Guadalajara