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Certifications · Oracle / IBM

A piece of paper means nothing. But specific projects do

The list of middleware certifications earned over 25 years of maintaining production environments. What matters is how I put them to use at T-Mobile, PZU and Orange — not the exam pass itself. Full PDFs available for download.

5Certifications
2 vendorsOracle · IBM
25 yearsin the middleware stack
Krzysztof SarnaCEO FlexNet
BEA
WLS 9
ADMIN
BEA / Oracle WebLogic Server 9

BEA Certified Administrator for WebLogic Server 9

First administrative WebLogic certification earned — back in the BEA Systems era (before the Oracle acquisition in 2008). Covers installation, configuration, deployment, clustering and WLS 9.x tuning.

IBM
WAS 6 ND
SYSADMIN
IBM WebSphere ND V6

IBM Certified System Administrator — WebSphere Application Server Network Deployment V6

WAS 6.x administration in the Network Deployment variant — full clustering, deployment manager, profiles, JDBC/JMS configuration, security and tuning. Foundation for later work with WAS 7/8/8.5.

Oracle Certified Associate badge — WebLogic 11g
Oracle WebLogic Server 11g

Oracle Certified Associate — Oracle WebLogic Server 11g System Administrator

First Oracle WebLogic certification after the BEA acquisition. Covers the administration console, WLST, JDBC data sources, JMS, clustering, security realm, deployment, monitoring and diagnostics.

Oracle Certified Associate badge — WebLogic 12c
Oracle WebLogic Server 12c

Oracle Certified Associate — Oracle WebLogic Server 12c System Administrator

Competence update to WLS 12c — Multitenancy (PartitionMBean), Resource Group, ZDT (Zero Downtime) Patching, Coherence integration, Java EE 7. Stack still present in blue-chip production environments today.

IBM Certified System Administrator — WAS 8.5.5 ND
IBM WebSphere ND V8.5.5 + Liberty

IBM Certified System Administrator — WebSphere Application Server Network Deployment V8.5.5 and Liberty Profile

Most recent IBM certification for traditional WAS 8.5.5 + Liberty Profile (a lightweight, modular alternative). Covers administration, deployment, clustering, security, performance tuning and the then-new Liberty capabilities.

A certification is not a competence. Each of the documents above confirms that we passed an exam — nothing more. The real value sits in the projects where we put these competences to work: T-Mobile, PZU and Orange production environments. Full list of engagements: Clients & projects. Want to hire us? Careers — for employers.

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