WebSphere Engineer / Ingenieur z/OS WebSphere Engineer / Ingenieur z/OS …

in Zürich
Festanstellung, Vollzeit
Letzte Bewerbung, 21 Jul 21
in Zürich
Festanstellung, Vollzeit
Letzte Bewerbung, 21 Jul 21
WebSphere Engineer / Ingenieur z/OS
Be the unique candidate to a highly specialized role in an international interesting environment. Our client is a leading financial institution with HQ in Zurich.

We are looking for an experienced z/OS WebSphere Engineer

This role can be performed currently part time remote (weekly shifts onsite) and at a later stage in Basel City.
The following concepts need to be understood to get a clearer picture of what a WebSphere Network Deployment Configuration involves:

Daemon Server
Deployment Manager
Node Agent
Application server
Web server and Web server plug-in
Embedded HTTP transport
Embedded Messaging Server (JMS)
Administrative Server
Administrative Console
Server cluster
Controllers and Servants
Understand how to build a Network Deployment Configuration
ISPF Customization Dialogs
- Load security domain
- System locations
- System environment customization
- Server customization

Understand how to federate a base app node into a cell:
Base app nodes may be federated (joined) into a Deployment Manager cell with the "AddNode" shell script or via the ISPF dialogs:
- "Node Agent" structure created in zFS
- Admin application in federated Base App server is disabled
- Various XML files are updated to reflect the merging cells

Understand the started tasks associated with a Network Deployment Configuration
Node Agent
Deployment Manager (only started on one LPAR)
Application Servers

Understand the zFS file structures and mount points:
zFS Mount Point for WebSphere software
zFS Mounts points for the Deployment Manager (data/...)
zFS Mounts points for the Application Servers (var/...)

Be familiar with the location of the following key files:
cell.xml, node.xml, serverindex.xml, was.env files for the Deployment Manager and App Servers.

Understand the concept of the symbolic links which consist of the concatenation of the cell's short name, the node's short name and the server's short name.

TCP/IP Port Addresses
- uses two ports (insecure and secure port)
Application Server controller region
- Set up unique set of ports:
A SOAP JMX port - for admin functions, i.e. wsadmin.sh scripts
A DRS client port - data replication services
An ORB listener port/bootstrap port - WAS ORB accepts IIOP requests.
For the HTTP transport handler - a normal port and s secure port for SSL - apps executing in app server web container
Option JMS server (JMS queued and direct)

Using the WebSphere Admin Console
Understand the functions provided in the Admin Console

Describe the communication flow of commands from admin console and wsadmin to the servers:

Understand how File synchronization takes place:

Understand where wsadmin.sh is located: /usr/lpp/zWebSphere/bin/wsadmin.sh

Understand the important command options:
- imbedded in command (-c
- input from file (-f >script file>
- interactive (no option)

Understand the process of WebSphere Application Deployment:
Process of deploying a J2EE application

Several tasks are required on z/OS to finish the application installation
Be familiar with the migration process to a newer version / release of WebSphere:

Knowledge of the WebSphere ISPF Customisation Dialog is required

Be familiar with the following manual configuration updates to the base software:

- APF Authorizations

Update the BPXPRMxx member with the z/OS configuration zFS for the WebSphere software (Read-Only), Deployment Manager and App Server (Read and Write mode)

Load the BBORTSS5 module from WAS.SBBOLPA into LPA

- Linklist
Ensure that the SBBOLOAD2 and SBBOLD2 libraries are STEPLIB'ed in the procedure or linklisted
LE Run-time libraries SCEERUN and SCEERUN2 need to be linklisted


Be familiar with using the "Logs and Trace" function under the Admin Console to do troubleshooting on specific servers. (Troubleshooting -> Logs and Trace -> -> Change Log Detail Levels). This permits which events are processed by java logging

Be familiar with reading the boss logs and trace output in the server job logs to allow problem analysis to be done. Should be familiar with timeout abends.

The behaviour of applications can be controlled by setting the various environmental variables through the Admin Console.

Monitoring and Tuning:

Be familiar with the Tivoli Performance View (TPV) under the Admin Console for determining current activity / performance of node agents and app servers. Performance Monitoring Infrastructure (PMI) should be enabled first before monitoring can take place.

Knowledge of the SMF type 120 records for WAS applications is important for performance and monitoring purposes:

Activity records
- Server Activity - Start/Stop times, bytes transferred
- Container Activity - Policy settings, Bean and methods, Response times
Interval records
- Servers and containers
SMF 120 subtypes
(1) Server activity
(3) Server Interval
(5) J2EE Container activity record
(6) J2EE Container interval record
(7) Web Container activity record
(8) Web Container interval record

WebSphere Variables

Application Servers

Be familiar with building new application servers within an existing node to run enterprise applications from within the Admin Console and setting up of new procedures in the system procedure library.

Your Profile:
Experienced in z /OS WebSphere Engineering

Your Benefits:
Become Part of a renown financial institution in Switzerland
Work flexible mixed model (remotely and office based)
Take on responsibility for the artefacts

thank you for your application
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