L3 Mainframe Consultant zOS
eTeam Singapore
Hong Kong, HK

Responsibilities :

  • Troubleshooting technical issues.
  • Responsible for successful completion of Installation, configuration and migration.
  • Ensure maximum uptime according to the SLA.
  • Improves and maintains customer and employee satisfaction.
  • Perform problem determination followed by root cause analysis and documentation.
  • Implement changes to z / OS and installed SW followed by documentation.
  • Participate in analyzing, planning and implementation of upgrades to z / OS and installed SW.
  • New products installation, testing and customization
  • Working with incident and change management tools
  • Understand and implement specific customer requirements.
  • Perform root cause analysis.
  • Defining processes and ensuring that the processes are adhered to.
  • Responsible for strategizing a backup plan and test plan for failure scenario.
  • Monitoring and maintaining SLA requirements by the team members.
  • Planning Backup / Restoration Strategy for 24x7 operation support.
  • Testing / Auditing / processes as required from time to time.
  • Identify Skill gaps and plan for training / knowledge updating
  • Skill set Requirement

  • Fully understand z / OS services structure, JES concepts, parallel sysplex / GDPS, catalog management.
  • PARMLIB configuration and JES customization
  • Knowledge of JCL, REXX, CLIST and Modify Assembler EXITS
  • Knowledge of z / OS HW, LPAR, HMC
  • IMS / MQ Series (Web Sphere MQ).
  • RACF experience
  • Knowledge of installing and supporting few commonly used ISV products like CA-View, Tape management tool (CA-1), Scheduling tools (BMC Incontrol, CA-7) etc.,
  • Knowledge of USS management
  • Capable of installing regular maintenance (RSUs)
  • Supporting any hardware or software upgrade in the environment
  • Capable of Installing / upgrading CICS and related products on a mainframe
  • Maintain reliability, availability of CICS systems software
  • Good knowledge in usage of transactions like CEMT, CEDA etc.,
  • Good Knowledge of SMP / E, SQL, DB2 online and offline utilities, ZPARMS, DB2 logs and BSDS, DB2 Commands, DDF etc.
  • Install and use performance monitoring tools and products (like SAS, MXG, CA-MICS, Strobe and the Omegamon products)
  • Expertise in tuning and debugging performance problems for z / OS systems including application workloads
  • Perform problem diagnostics and resolution. Monitor system performance and tune when required
  • Well versed in storage capacity planning and configuration and should have good familiarity with typical z / OS application performance analysis
  • Capable of z / OS Performance Analysis using various tools such as IBM's RMF, SMF and subsystem analysis tools.
  • Capable of Installing, Customizing and maintaining IBM and other ISV products related to Automations
  • Good to Have

  • Experience in mainframe automation and Performance & Capacity Management will be an added advantage.
  • Experience in Customization of ISV / OEM products used for Automations and monitoring tools like Netview, OPS / MVS, SA z / OS, Tivoli Suite of monitoring and automation products, BMC AO, TEP, Control-O etc
  • SAS Programming Skills, Retrofit SAS Code for MXG application post Product Upgrade.
  • Soft Skills / Other skills

  • Excellent communication and conversation skills (Verbal and Written). Customer facing.
  • Good documentation skills
  • Good working knowledge of MS OFFICE (Including MS Project and Visio)
  • Should have a good customer handling skill.
  • Able to handle unforeseen situations.
  • High level of acceptance.
  • Years of Experience

  • Total : 8 to 13 years of experience
  • Relevant : More than 9 years of experience in System Programming
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