Lead Administrator (Support &Operations)

Technology, Data & Digital · Software & Web Development · Software Engineering

In short

Nous recherchons un ingénieur Mainframe z/OS expérimenté pour soutenir l'administration, la disponibilité, la performance, la sécurité et la modernisation des environnements IBM Z d'entreprise. Le rôle exige une solide expertise pratique en programmation système z/OS, en support d'infrastructure, en dépannage, en mises à niveau, en automatisation et en gouvernance opérationnelle.

Responsibilities

Install, configure, maintain, upgrade, and support IBM z/OS environments.
Perform z/OS system administration, maintenance, patching, and lifecycle management using SMP/E.
Manage and troubleshoot core z/OS components including JES2, TSO/ISPF, USS, DFSMS, WLM, RMF/SMF, RACF, and Communications Server.
Support IPL, system initialization, PARMLIB changes, system configuration, and recovery activities.
Monitor system health, capacity, availability, and performance and drive proactive improvements.
Perform problem determination for system-level incidents, including analysis of ABENDs, system dumps, logs, SYSLOG, SMF/RMF data, and diagnostic information.
Support storage and dataset management including DFSMS, SMS, VSAM, catalog, HSM, and tape-related services, depending on the environment.
Support software installation, upgrades, PTF application, maintenance, and compatibility assessment.
Work with related Mainframe technologies and teams including CICS, Db2, IMS, MQ, storage, network, security, automation, and operations.
Develop and maintain REXX, JCL, CLIST, or other automation to improve operational efficiency.
Participate in DR exercises, resiliency testing, capacity planning, performance tuning, and change/release activities.
Maintain technical documentation, SOPs, operational procedures, configuration records, and audit evidence.
Collaborate with application, infrastructure, security, vendor, and service-management teams for incident, problem, change, and service-improvement activities.
Identify opportunities for automation, modernization, observability, and operational optimization across the Mainframe platform.

Requirements

Strong hands-on knowledge of IBM z/OS
JES2, TSO/ISPF, JCL
SMP/E
USS / z/OS UNIX
DFSMS / storage management fundamentals
RMF, SMF and performance monitoring
RACF or equivalent Mainframe security concepts
REXX / CLIST / scripting and automation
System IPL and z/OS configuration
Incident, problem, and change management
Strong troubleshooting and root-cause-analysis skills
Relevant hands-on experience in z/OS system programming, engineering, administration, or infrastructure support.
Experience supporting business-critical enterprise Mainframe environments.
Experience working within structured ITIL-based Incident, Problem, Change, and Release Management processes.

Desired Qualifications

Exposure to one or more of the following would be advantageous: IBM Z hardware and LPAR/PR/SM concepts
CICS, Db2, IMS, IBM MQ
HMC
Mainframe networking including TCP/IP and VTAM
Enterprise scheduling and automation platforms
Mainframe monitoring and observability tools
Disaster recovery and business continuity
Mainframe modernization and hybrid-cloud integration
Ansible, Python, Git, REST APIs, or DevOps automation in a Mainframe environment
Strong analytical and problem-solving capability.
Ability to independently troubleshoot complex Mainframe infrastructure issues.
Good written and verbal communication skills.
Comfortable working with global delivery, infrastructure, application, and vendor teams.
Strong focus on availability, security, compliance, documentation, automation, and continuous improvement.

Benefits

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

Skills

IBM z/OSJES2TSO/ISPFJCLSMP/EUSSDFSMSRMFSMFRACFREXXCLISTCICSDb2IMSMQHMCTCP/IPVTAMAnsiblePythonGitREST APIsDevOps

#Mainframe#z/OS#IBM z/OS#System Administrator#Support#Operations#Engineer#JES2#TSO/ISPF#JCL#SMP/E#USS#DFSMS#WLM#RMF/SMF#RACF#Communications Server#IPL#Automation#REXX#CLIST#CICS#Db2#IMS#MQ#Storage#Network#Security#ITIL#DR#Capacity Planning#Performance Tuning#Modernization#Observability#Ansible#Python#Git#DevOps

About HCLTech

Supercharging progress through technology and innovation

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered around digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2022 totaled $12.1 billion. To learn how we can supercharge progress for…

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