David Skácel
IT Analyst & Solutions Architect

Digitalization, Automation & On-Premise AI

Bridging business requirements, data architecture, and modern automation. Leading paperless transformation, deploying secure on-premise AI, and enabling teams for real productivity.

David Skácel

Technology Stack & Certifications

Production-proven tools, database architectures, and governance standards

ITIL5 Foundation Certified

AI, RAG & LLMs

  • On-premise LLMs (Ollama)
  • AnythingLLM
  • LiteLLM Gateway
  • Prompt Engineering
  • NotebookLM
  • Claude & Gemini APIs

Integration, Data & Backend

  • n8n Workflow Automation
  • MS SQL Server (T-SQL)
  • REST API & Webhooky
  • DevExpress React / .NET
  • SAP ERP & Helios

Governance, Security & Delivery

  • ITIL 5 Foundation Certified
  • ISMS (ISO/IEC 27001) & ZOKB / NIS2
  • Product Ownership & UAT
  • Vendor Management
  • Change Management & Adopce
Senior Profile

Background & Leadership

15+ Years

Enterprise IT Experience

Proven track record across mining, power utilities, and banking sectors. Strong focus on SLA stability, data integrity, and operational resilience.

40+ Staff

Team & Operations Lead

Led multi-tier technical support and IT operations teams. Bridging complex executive business needs with hands-on developer execution.

Architecture

Modern AI & Integration

Combining rigorous ITIL governance with rapid automation: on-premise RAG engines, event-driven n8n pipelines, and paperless architectures.

Areas of Expertise

Bridging business strategy, operational processes, and modern tech

Paperless & Digitalization

End-to-end project delivery: digital signatures, approval workflows, and full enterprise process paperlessness.

Practical AI Adoption

Corporate workshops and hands-on enablement focused on tangible weekly time-savings with LLMs.

On-Premise RAG & Data Privacy

Local knowledge engine architectures keeping sensitive intellectual property strictly inside the private network.

Automation & Data Pipelines

Data orchestration via n8n, custom REST pipelines, and reliable enterprise integrations into SAP and Helios.

Selected Case Studies

Measurable impact and production-proven architectures (2021–2026)

2026/09

On-Premise Enterprise RAG & Knowledge Engine

Wiki.jsGitAnythingLLMLiteLLMOllamaDocker

Growing documentation created search friction. Required smart LLM synthesis with zero sensitive data leaving the company perimeter.

Data Architecture Flow
Wiki (Markdown)➔Git Repo➔AnythingLLM➔LiteLLM Gateway➔Ollama (Lokální LLM)
✓Result: 100% data privacy, documentation search time cut from 15 min to seconds
2026/07

Corporate AI Academy & Hands-on Adoption

Generative AIPrompt EngineeringGeminiClaudeNotebookLMChange Management

Design and execution of a corporate AI education framework across subsidiaries, removing tech adoption anxiety and unlocking tangible daily productivity.

Data Architecture Flow
Metodika a příprava➔Interaktivní workshopy➔Praktické use-cases➔Měření časové úspory
✓Result: 94% rated as excellent, 54% participants report 1–3 hours saved weekly
2026/03

Automated SIGNI Credit Billing & Reconciliation

n8nREST APIMS SQL ServerJSONHelios ERP

Eliminated manual downloading of 22 credit usage reports across 12 subsidiaries and replaced it with a scheduled, automated data pipeline.

Data Architecture Flow
SIGNI API (22 workspaces)➔n8n Orchestrace➔Deduplikační logika➔MS SQL Import➔Fakturace
✓Result: Data preparation time reduced from 1.5h to under 5 mins, eliminated SPOF
2026/01

Automated Partner Validation (ARES API + n8n + SQL)

MS SQL ServerT-SQLn8nREST APIJSON

Manual partner entry created invoicing friction and tax liability risks. Built a nightly asynchronous batch verification engine tied to official government APIs.

Data Architecture Flow
MS SQL (IČ fronta)➔n8n Orchestrátor➔ARES REST API➔JSON Transformace➔SQL Update & Alerty
✓Result: 100% elimination of invoicing typos and real-time detection of VAT default risks
2025–2026

Self-Service HR Portal & Process Digitalization

DevExpress ReactWeb APIMS SQL ServerSAP ERPWiki.jsProduct Owner

Led as Product Owner to replace paper-based leaves and absences with a unified digital portal featuring bi-directional payroll and attendance integration.

Data Architecture Flow
Uživatel (React Portál)➔Schvalovací workflow➔Web API➔MS SQL➔Export do SAP / Helios
✓Result: 100% paperless absence workflows, bi-directional integration with payroll ERPs
2023–Současnost

Cybersecurity Compliance & Asset Management System

.NET DevExpressMS SQL ServerISO/IEC 27001ZOKBGAP Analýza

Architecture and data model for managing compliance with cybersecurity legislation and ISO 27001, tracking core assets, vendors, and OT infrastructure.

Data Architecture Flow
HR & ERP Importy➔Registr aktiv (SQL)➔.NET DevExpress➔GAP Analýza➔Auditní reporty
✓Result: Unified registry of primary and OT assets with automated compliance scoring
2021

GNSS Telematics & 3D Modeling on Mining Machinery

GNSS/GPSOT IntegraceMS SQL Server3D ModelyPrůmyslové sítě

Coordinated deployment of high-precision GNSS sensors on heavy mining machinery, bridging field OT hardware with central enterprise SQL infrastructure.

Data Architecture Flow
GNSS senzory na stroji➔Průmyslová LAN / Firewally➔MS SQL Server➔3D Báňský model➔Řízení výroby
✓Result: Real-time sync of heavy machinery telematics with 3D geological models into MES

Get in Touch

Planning a digitalization project, on-premise AI setup, or hands-on team enablement?

Direct Channel

Send me an email

I typically reply within 24 hours. Open to discussing technical scoping, architecture, or training workshops.

Location: Czech Republic (Remote / Hybrid)
15-Min Intro Call

Pick a slot in my calendar

Prefer a direct conversation? Choose an open time slot that fits your schedule and let's discuss details.