Job description:


TMON for VSE Developer
Work Location: Chennai
Work Experience: 6 to 12 Years
Role: Senior Software Engineer (DV2)


Number of Open Positions: 2

Essential Duties and Responsibilities:

Candidate must have Assembler Programming experience preferably in a software vendor environment. It is desirable to have experience working with relevant domain (CICS) and z/VSE internals with domain performance and tuning experience. Comprehensive Knowledge and experience with the current release (and backward of at least 2 releases) of subsystem (CICS) and z/VSE.
The primary duties of the position will be to perform assembler programming activities related to product maintenance and new development for ASG’s TMON for zVSE, TMON for CICS TS for zVSE and the TMON VM Contention Monitor. In this position, the software engineer will be assigned and required to complete tasks which includes activities such as technical design/specification, assembler programming, debugging, dump and problem analysis, devising product solutions, unit and regression testing, documentation, PTF development. This position will require the candidate to be able to perform all aspects involved in gathering and formulating customer and system requirements and to express those findings into well-formed documents. In addition, the candidate must be able to establish and perform benchmarking and prototyping tasks which will enable proof of concept ideas for new and existing product features.

This candidate will also be required to work within a team environment to determine current and future product requirements as well as product changes as it relates to supporting subsystem and/or z/VSE release features and development of corporate strategies into the product. Strong communications skills, the ability to collaborate successfully with a diverse team of other developers, QA, Technical Writers and support staff, to facilitate effective product planning and problem resolution activities. Relevant domain related user community knowledge and a working knowledge of other Industry domain monitors a plus.
Skills Required:

  • Strong knowledge of the zVSE , zVM and CP operating systems.
  • Power system, task dispatching, partition dispatching
  • Strong programming skills using the IBM High Level Assembler
  • Experience with Extended Addressability
  • Knowledge of 24 bit, 31 bit and 64 bit addressing modes.
  • Knowledge of 24 bit, 31 bit and 64 bit storage residency modes.
  • Ability to diagnose errors from the Assembler listing.
  • Experience using multiple program entry points
  • Experience using conventional and extended program linkages
  • Experience using Extended Addressing features
  • Basic understanding of the IBM zArchitecture Principles of Operations Publication
  • Storage – Familiarity with GETVIS storage areas; storage addressing, protection and formats
  • Knowledge of the Program Link Edit and programphase build.
  • Ability to create programphase executables.
  • Ability to develop reentrant modules.
  • Knowledge of programs running in real and virtual environments.
  • Knowledge of programs running in OS/390 mode.
  • Experience with Job Control
  • Experience with Access Method Services (VSAM – KSDS format) supporting multiple simultaneous access.
  • Experience with developing and diagnosing VTAM applications.
  • Experience with IPL and Startup procedures.
  • Experience with zVSE executing as zVM guest.
  • Experience with the Virtual Tape Support – simulator and server.
  • Experience with zVSE security – authentication and resource access control techniques.
  • Knowledge of and skills invoking Operator Commands
  • Knowledge of Dump Analysis and Diagnostic Tools.
  • Experience with the use of basic Operator console commands needed to enable/disable/query the state of various resources, change the execution status of jobs, communication with or Start/Stop started tasks, and collect diagnostic information.
  • Ability to diagnose the different types of dumps and their contentsSee Section Ability to diagnose the different types of dumps and their contents.

Domain Experience

  • CICS TS zVSE
  • System Programming and application development experience
  • Application diagnostic, CICS Resource Administration
  • CICS Architecture, External Resource management, External work
  • Skills developing CICS exits
  • CICS Architecture, External Resource management, External work initiation techniques
  • CICS transaction trace

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