1993 | First PC. First command line.
1995 | IBM Training Center
| IBM Power / AIX / HA / Linux
| Enterprise Infrastructure
2010 | IBM System x / Virtualization
2013 | PureSystems / Integrated Systems
2014 | Cloud / DR / Enterprise Architecture
2021 | OpenShift / Kubernetes / Hybrid Cloud
2022 | Enterprise Infrastructure
2023 | Cloud Platform Architecture
2025 | Kubernetes Presale Architect
2026 | Still explaining that Kubernetes is not "just Docker"
Enterprise IT architect and presale specialist with 30+ years in infrastructure, virtualization, high availability, disaster recovery, cloud platforms and Kubernetes.
Worked with:
- IBM Power
- IBM System x
- AIX
- Linux
- SAN / Storage
- Enterprise virtualization
- OpenShift
- Kubernetes
- Hybrid Cloud
- DR / HA architectures
- Enterprise integration
Currently focused on:
- Kubernetes platforms
- Enterprise platform architecture
- Hybrid cloud
- Infrastructure modernization
- Platform presale
- Technical strategy
- Enterprise Linux ecosystem
- Hybrid Cloud
- Enterprise Kubernetes
- Disaster Recovery
- High Availability
- Infrastructure Architecture
- Enterprise Integration
- Cloud Transformation
- Security & Compliance
- Enterprise Virtualization
- Red Hat OpenShift
- IBM Cloud & Architecture
- DevSecOps
- Enterprise Architecture
- IBM Power
- Architectural Thinking
- Enterprise Design Thinking
- Physical servers delivered on pallets
- Token Ring
- AIX clusters (IBM Power)
- Enterprise SAN wars
- VMware rise
- "Cloud will solve everything"
- OpenStack hype
- Docker hype
- Kubernetes hype
- AI hype
Still waiting for:
- accurate documentation
- realistic deadlines
- simple enterprise integrations
- production systems without legacy dependencies
Architecture is not a diagram.
It's responsibility.
Every "simple integration"
eventually becomes a platform.
Every platform
eventually becomes a political problem.
position: Presale Architect
specialization:
- Kubernetes
- Enterprise Infrastructure
- Hybrid Cloud
- Platform Architecture
daily_routine:
- customer_calls
- architecture_reviews
- platform_design
- explaining_kubernetes
- explaining_again
status: "loading..."Mostly:
- infrastructure experiments
- Kubernetes labs
- architecture notes
- automation
- platform engineering
- technical drafts
- random enterprise pain
- LinkedIn: www.linkedin.com/in/ktereshenko
30+ YEARS IN IT
Still debugging.
Still architecting.
Still attending meetings.
System operational.