Lukas Pastva

name: Lukáš Pastva
title: DevOps, Pre-Sales architect
bornDate: 1985-03-20
contact:
- phone: +421 917 744 049
- email: [email protected]
- address: Malinovo, Slovakia
- social:
  - linkedin: https://linkedin.com/in/lukas-pastva/
  - website: https://lukaspastva.com
  - cv: https://cv.lukaspastva.com
  - github: https://github.com/lukas-pastva
  - company: https://tronic.sk
summary:
- 16 years as IT professional
- Kubernetes Architect @ SikaLabs
- Kubernetes Architect @ DevOpsGroup
- CI/CD team + tech lead @ O2 Slovakia
- SaaS platform creator @ FatChilliMedia
- Pre-sales Architect @ Trustsoft
- Observability Tech Lead @ Trustsoft
- Product Owner of Observability solution @ DXC Technology
talent_profile: Mechanic, Creator
languageSkills:
- - language: English
  - level: C1
- - language: Slovak
  - level: C2
- - language: German
  - level: A2
- - language: Polish
  - level: A1
technicalSkills:
- cloud_providers:
  - Hetzner
  - AWS
  - GCP
  - Azure
  - Digital Ocean
  - Vultr
  - Linode
  - Contabo
- container_orchestration:
  - Kubernetes (RKE2, RKE, K3s, EKS, AKS, GKE)
  - Docker
  - docker-compose
  - ArgoCD
- cicd:
  - GitHub Actions
  - GitLab CI
  - Jenkins
  - TeamCity
  - Argo Workflows
  - Argo Events
- iac_automation:
  - Terraform
  - Ansible
  - Salt
  - Helm
- programming_languages:
  - .NET C#
  - Java
  - PHP
  - JavaScript
  - Python
  - Groovy
- web:
  - HTML
  - CSS
  - WordPress
  - Joomla
  - Apache
  - IIS
  - Tomcat
  - REST APIs
- databases:
  - MySQL
  - MSSQL
  - Oracle
  - ElasticSearch
  - InfluxDB
- devops_tools:
  - Nexus
  - Grafana
  - Loki
  - Istio
  - Jaeger
  - Zipkin
- ops_service_mgmt:
  - ServiceNow
  - Microsoft BizTalk
  - ServiceBus
  - ITIL
  - Agile
- security_infra:
  - TLS
  - SSH
  - Cloudflare API
  - Windows Server
  - HashiCorp Vault
  - Keycloak
- observability:
  - Prometheus
  - Thanos
  - Loki
  - Tempo
  - Dynatrace
  - Datadog
  - CheckMK
  - InfluxDB
- messaging_platforms:
  - Kafka
  - MSK (Amazon Managed Streaming for Kafka)
  - Cloudera Kafka
  - Strimzi
- chaos_engineering:
  - Gremlin
- misc:
  - Mailu
  - Traefik
  - Postman
  - API integrations
softSkills:
- Natural leader with formal training
- Skilled people manager
- Delivery-driven and enthusiastic
- Critical, technical thinker
- Understands balance of resources, quality, delivery
- Receptive to feedback
- Dedicated, multi-project professional
- Quick learner and adaptable
experience:
- - period: 2025 - present
  - company: SikaLabs
  - location: Prague
  - role: Kubernetes Architect
  - highlights:
    - Led migrations from VM-based apps to Kubernetes; designed cutover/rollback plans
    - Containerized services and standardized Helm for repeatable releases
    - Implemented GitOps with ArgoCD (app structure, promotion flows, policies)
    - Built end-to-end observability (metrics/logs/traces), dashboards, alerts and runbooks
    - Championed OSS tooling and IoT integrations for edge workloads and fleet management
- - period: 2025 - present
  - company: DevOpsGroup
  - location: Bratislava
  - role: Kubernetes Architect
  - highlights:
    - Architected multi-cluster Kubernetes (RKE2, K3s, EKS): topology, lifecycle, upgrades, autoscaling
    - Implemented GitOps with ArgoCD: standardized Helm charts, AppProjects and promotion flows
    - Built complex workflows with Argo Workflows and Argo Events for parallel jobs and migrations
    - Designed secrets and identity: HashiCorp Vault + Keycloak for SSO/OAuth2 and RBAC patterns
    - Delivered observability (metrics, logs, traces), dashboards, alerts and runbooks
    - Hardened security with RBAC, network policies and admission controls
    - Enabled developer self-service; handled capacity/cost planning, autoscaling and DR
    - Acted as pre-sales architect: PoCs, demos, diagrams, proposals; mentored teams on GitOps
- - period: 2024 - present
  - company: O2 Slovakia
  - location: Bratislava
  - role: CI/CD team lead, technical lead
  - highlights:
    - Led CI/CD team of 6; delivery management, mentoring, sprint planning and reporting
    - Owned on‑prem GitLab Premium and Nexus/SonarQube; designed pipelines, branching, releases
    - Migrated 80 microservices (700 repos) to Kubernetes (RKE2, AKS); operated 7 clusters across envs
    - Implemented GitOps with ArgoCD; standardized Helm charts, multi‑values and AppProjects
    - Built advanced pipelines with Argo Workflows/Events for parallel and multi‑stage deployments
    - Developed Prometheus exporters and internal tools (e.g., ArgoCD App Manager, Flyway GUI)
    - Delivered KTs for 100+ developers; trained Operations (20+) on Kubernetes and deployments
    - Managed dedicated squad environments for isolated workflows and faster feedback
- - period: 2023 - 2024
  - company: Trustsoft cloud
  - location: Prague
  - role: Pre-sales Architect, Observability Tech Lead
  - highlights:
    - Led client engagements and solution architecture across CH, CZ, SK
    - Designed observability with Prometheus, Thanos, Loki, Tempo, Dynatrace, Datadog, CheckMK
    - External for Tatra Banka: GitOps automation and app migration to AWS
    - Delivered internal cloud lectures
- - period: 2022 - 2023
  - company: Fiserv
  - location: Bratislava
  - role: Messaging platform engineer, DevOps specialist
  - highlights:
    - Kafka platforms: Cloudera, MSK, Strimzi
    - Kubernetes EKS orchestration
    - Monitoring and testing with Prometheus and JMeter
    - GitOps with GitLab, ArgoCD, Helm
- - period: 2021 - 2024
  - company: FatChilliMedia
  - location: Bratislava
  - role: Platform engineer, SaaS architect
  - highlights:
    - Built SaaS on Hetzner using RKE2 Kubernetes
    - Prometheus monitoring and ArgoCD CD
    - IaC with Terraform and Argo Workflows
    - Improved DevOps via IDP/SaaS/PaaS
- - period: 2020 - 2022
  - company: DXC Technology
  - location: Bratislava
  - role: DevOps team leader
  - highlights:
    - Led 10 DevOps engineers (junior/medior)
    - Deployed monitoring for 200+ clients and 500+ servers across on‑prem and AWS
    - EU SME for DXC-Platform-X (AWS)
    - Technologies: AWS, Jenkins, Nexus, Shell, PowerShell, C#, Java, Grafana, InfluxDB
- - period: 2017 - 2020
  - company: DXC Technology
  - location: Bratislava
  - role: Ops senior - L4
  - highlights:
    - SME and SPOC for case exchange systems
    - 2019 TLS migration of 200 interfaces with 120 customers
    - Top performer annually in 50‑member team
    - Tech: ServiceNow, ITIL, Java, Postman, Ansible, AWX
- - period: 2014 - 2016
  - company: Hewlett-Packard
  - location: Bratislava
  - role: Ops medior - L3
  - highlights:
    - Managed and onboarded case exchange systems for 120 customers
    - 2016 migration of 150 servers within AD domains
    - Top performer annually in 30‑member team
    - Tech: Windows Server, Microsoft BizTalk, ServiceBus, .NET, SoapUI, TLS, SSL
- - period: 2013 - 2014
  - company: Hewlett-Packard
  - location: Bratislava
  - role: Senior developer
  - highlights:
    - Developed Asset Management application (full stack)
    - Worked as Java EE developer for insurance company
- - period: 2008 - 2013
  - company: ISSA Czech
  - location: Ostrava, Czechia
  - role: Senior Developer
  - highlights:
    - Developed intranet/internet apps (PHP MVC, Oracle, Java)
    - Trained juniors; projects: Skylink.cz, Ostrava2015.cz, Ekka-gold.cz, Viadrus.cz
education:
- - period: 2004 - 2008
  - school: Technical University of Ostrava
  - faculty: Faculty of Electrical Engineering and Computer Science
  - notes:
    - Bachelor work: module for Visteon intranet system
- - period: 2000 - 2004
  - school: Secondary Industrial School - Kysucké Nové Mesto
  - specialization: Mechatronics
  - notes:
    - Electronics, IT, Mechanical engineering, Hydraulics, Pneumatics
    - Siemens Vienna award – CNC S7-200 belt conveyor SW/HW
projects:
- Skatepark builder
- Cooperation with city councils and mayors
- Administrator of popular Slovak gravity-sports web pages
- Key IT person for Ostrava 2015 European City of Culture
- Creator of 100+ web pages
- Creator of microcontroller hardware
- Open‑source projects creator
hobby:
- RKE Kubernetes cluster owner; startups member
- DevOps, Platform engineering
- IoT, 3D printing, Smart Home HW (Arduino, ESP32, rPi)
- KiCAD, AutoCAD, CNC
- Skatepark, kindergarten, workout design and building
- Local newspaper design and publishing
- Wedding cameraman
- Philanthropist

Lukáš Pastva