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About us
zrockz is not a large consultancy. You get the person who does the analysis — and who sits across from you in the workshop.
Who is behind it
Uwe Oswald
Advisor for IT outsourcing and outtasking · z/OS systems programmer · z/OS performance expert
More than 30 years of professional experience on the platform — from systems programming of large z/OS installations through performance and cost analysis to supporting tenders and transitions, plus broad market knowledge and a solid network in the mainframe community.
That combination is the actual point: whoever negotiates contracts about capacity should know how capacity arises. And whoever sets limits should know the operation that has to live with them.
Areas of focus
- Comprehensive z/OS foundation training and long practice in systems programming
- Installation and maintenance of large z/OS installations
- Extensive experience with z/OS UNIX and Linux
- Performance and cost analysis, capacity management and licence volumes
- Tenders, contract assessment and transition support
- Broad mainframe market knowledge and a wide network in the field
Principles
Four statements you can hold us to
We state the price of every recommendation
Capping systems and running them more restrictively means accepting delay. Withholding that is selling, not advising.
We sell no third-party products
No licence trading, no commissions, no vendor ties. Our deliverable is the analysis — not the route to a particular manufacturer.
We substantiate every figure
Every statement comes with its source. What we cannot substantiate, we do not say — however good it would sound.
We also decline
If your question cannot be answered with the available data, or a measure does not pay off, you hear it from us — before the engagement, not after.
We can also do this
Two services rarely planned but often needed
Critical situation support
A critical situation arises when a system or project reaches crisis point — through serious technical problems, unexpected risks or malfunctions that endanger operations. What counts then is fast, orderly action.
- Analyse causes, prioritise measures, coordinate the steps towards stabilisation
- Develop a durable solution rather than dampen symptoms
- Support for internal and external communication
- Risk analysis and prevention so the same case does not recur
z/OS architecture consulting
A sound architecture determines whether the next five years run quietly. We analyse the existing environment, name the bottlenecks and develop a path that fits your organisation.
- Analysis and optimisation of the existing architecture
- Scalability and high availability kept in view
- Integrate modern technologies without endangering stability
- Security and compliance considered from the outset
- Capacity planning for growth and model changes
zrockz GmbH & Co. KG
- Registered office
- Berliner Str. 5, 67273 Weisenheim am Berg, Germany
- Management
- Uwe Oswald
- info@zrockz.de
- Languages
- German, English
- Coverage
- DACH and the rest of Europe, remote and on site
Working together
Small enough for short paths, experienced enough for large environments
You are not talking to a sales team that hands the project on later. The analysis, the assessment and the workshop come from one source.
Where additional capacity is needed we draw on an established network in the mainframe field — transparently and with your agreement, not as anonymous subcontracting.
Let's get to know each other.
An initial conversation is free of obligation and usually clarifies whether and how we can help.