freiberufler Cloud Architect • Data Architect • Delivery Lead • Tech Advisor • Agile PM • Freelance Consultant auf freelance.de

Cloud Architect • Data Architect • Delivery Lead • Tech Advisor • Agile PM • Freelance Consultant

zuletzt online vor 6 Tagen
  • auf Anfrage
  • Slowakei
  • Europa
  • sk  |  en  |  de
  • 11.08.2025

Kurzvorstellung

I’m a freelance consultant working at the intersection of cloud architecture, data architecture, agile delivery, product strategy and technical management.

Auszug Referenzen (2)

"S. hat als Key Architect für Azure und Netzwerksicherheitsthemen erfolgreich an einem anspruchsvollen Projekt mit uns zusammengearbeitet."
Azure architekt, Network architect
Kundenname anonymisiert
Tätigkeitszeitraum

5/2023 – 6/2024

Tätigkeitsbeschreibung

Role: Azure Architekt, Network architect

Project: central core cloud platform for a a leading global biotechnology company.

Responsibilities:
- hybrid cloud architecture - design and implementation
- technical leading for individual solution domains: networking, security, private connectivity
- infrastructure code development, automated deployments
- configuration, system integration, troubleshooting, testing, operation

Work topics: cloud platform core design, network architecture, global connectivity, VWAN, branch connectivity, ExpressRoute, VPN, Fortinet SD-WAN, routing, BGP, Palo Alto NGFW, Bastions, platform security, NSG, RBAC. Infrastrucure as code, Terraform, Azure DevOps.

Eingesetzte Qualifikationen

Architektur (allg.), Cloud Computing, Cyber Security, Firewalls, Infrastrukturarchitektur, Microsoft Azure, Netzwerkarchitektur, Software Architecture, Solution Architektur

"Sergei has helped us solving in the start our Azure Data Platform journey challenges. Thanks to his support and enthusiasm, we went ahead faster."
Azure Architect, Cloud Data Architect
Kundenname anonymisiert
Tätigkeitszeitraum

3/2021 – 1/2023

Tätigkeitsbeschreibung

Leitender Azure Architekt - Infrastruktur, Landezone, Datenplattform, Netzwerken, Konnektivität, Zugriffsverwaltung

- Azure cloud platform architecture
- Azure network architecture, hybrid cloud connectivity
- Azure identity and access management
- Azure Active Directory
- Azure Administration: infrastructure, networking, DevOps, IAM, RBAC
- Fixing issues in architecture, connectivity and security
- Azure infrastructure as code, templates, scripts
- IaC maintenance, review, fixing, further development
- Azure DevOps pipelines, automation
- VPN, firewalls, routing, DNS integration
- Data architecture, data lake, Azure Synapse, Azur Event Hubs, pipelines etc.
- technical leading of Azure platform architecture design, implementation and adoption by new corporate branches
- technical leading of migration to new Azure Landing Zone
- leading and education of new internal team members

Eingesetzte Qualifikationen

DevOps, Identitätsmanagement, Infrastrukturarchitektur, Microsoft Azure, Netzwerk-Sicherheit, Netzwerkadministration (allg.), Netzwerkarchitektur, Solution Architektur

Qualifikationen

  • Cloud Architecture
  • Cyber Security1 J.
  • Microsoft Azure3 J.
  • Data Engineer
  • DevOps3 J.
  • Netzwerkarchitektur3 J.
  • Product Owner
  • Scrum-Master
  • Solution Architektur3 J.
  • Terraform

Projekt‐ & Berufserfahrung

Azure architekt, Network architect
isolutions AG, Bern
5/2023 – 6/2024 (1 Jahr, 2 Monate)
IT & Entwicklung
Tätigkeitszeitraum

5/2023 – 6/2024

Tätigkeitsbeschreibung

Role: Azure Architekt, Network architect

Project: central core cloud platform for a a leading global biotechnology company.

Responsibilities:
- hybrid cloud architecture - design and implementation
- technical leading for individual solution domains: networking, security, private connectivity
- infrastructure code development, automated deployments
- configuration, system integration, troubleshooting, testing, operation

Work topics: cloud platform core design, network architecture, global connectivity, VWAN, branch connectivity, ExpressRoute, VPN, Fortinet SD-WAN, routing, BGP, Palo Alto NGFW, Bastions, platform security, NSG, RBAC. Infrastrucure as code, Terraform, Azure DevOps.

Eingesetzte Qualifikationen

Architektur (allg.), Cloud Computing, Cyber Security, Firewalls, Infrastrukturarchitektur, Microsoft Azure, Netzwerkarchitektur, Software Architecture, Solution Architektur

Azure Architect, Cloud Data Architect
A1 Telekom Austria AG, Wien
3/2021 – 1/2023 (1 Jahr, 11 Monate)
Telekommunikation
Tätigkeitszeitraum

3/2021 – 1/2023

Tätigkeitsbeschreibung

Leitender Azure Architekt - Infrastruktur, Landezone, Datenplattform, Netzwerken, Konnektivität, Zugriffsverwaltung

- Azure cloud platform architecture
- Azure network architecture, hybrid cloud connectivity
- Azure identity and access management
- Azure Active Directory
- Azure Administration: infrastructure, networking, DevOps, IAM, RBAC
- Fixing issues in architecture, connectivity and security
- Azure infrastructure as code, templates, scripts
- IaC maintenance, review, fixing, further development
- Azure DevOps pipelines, automation
- VPN, firewalls, routing, DNS integration
- Data architecture, data lake, Azure Synapse, Azur Event Hubs, pipelines etc.
- technical leading of Azure platform architecture design, implementation and adoption by new corporate branches
- technical leading of migration to new Azure Landing Zone
- leading and education of new internal team members

Eingesetzte Qualifikationen

DevOps, Identitätsmanagement, Infrastrukturarchitektur, Microsoft Azure, Netzwerk-Sicherheit, Netzwerkadministration (allg.), Netzwerkarchitektur, Solution Architektur

AWS Cloud DataOps Lead
Raiffeisen Bank International AG, Wien
4/2020 – 8/2020 (5 Monate)
Banken
Tätigkeitszeitraum

4/2020 – 8/2020

Tätigkeitsbeschreibung

- Design and implementation of Data Ops processes
- Relationships with internal stakeholders
- Data and system integration
- Encouraged open dialogue between multiple cross-functional teams

Eingesetzte Qualifikationen

Agile Methodologie, Amazon Web Services (AWS), Big Data, Data Warehousing, Infrastrukturarchitektur, Solution Architektur

Datenplattform-Architekt
Cards & Systems EDV-Dienstleistungs GmbH, Wien
5/2019 – 8/2019 (4 Monate)
Finanzdienstleister
Tätigkeitszeitraum

5/2019 – 8/2019

Tätigkeitsbeschreibung

Datenplattform-Architekt, Apache Kafka Architekt

Eingesetzte Qualifikationen

Apache Kafka, Mongodb, System Architektur

Big Data Architekt
Munich Re Group, Munich
12/2016 – 6/2018 (1 Jahr, 7 Monate)
Versicherungen
Tätigkeitszeitraum

12/2016 – 6/2018

Tätigkeitsbeschreibung

Big Data Architekt

- Global inter-region corporate self-service big data platform
- Platform architecture, implementation, administration
- Security, performance, capacity planning, resource management
- Infrastructure automation, DevOps

Private cloud, data lake, BI, Hortonworks HDP, Hadoop, Ambari, HDFS,
Hive, Spark, Kafka, Solr, Ranger, Apache NiFi, Jupyter, R Studio,
DataRobot, Chef, Bash, Python, Git, Artifactory, Confluence, Jira, DevOps,
Scrum

Eingesetzte Qualifikationen

Apache Hadoop, Apache Spark, Big Data, Cloud Computing, DevOps, Infrastrukturarchitektur, Apache Kafka

Big Data Consultant (Festanstellung)
Teradata GmbH, Munich
5/2015 – 7/2016 (1 Jahr, 3 Monate)
IT & Entwicklung
Tätigkeitszeitraum

5/2015 – 7/2016

Tätigkeitsbeschreibung

Big data projects for large customers

Eingesetzte Qualifikationen

Amazon Web Services (AWS), Apache Hadoop, Big Data, Cloud Computing, Teradata Sql

Lead Engineer, Architect, Delivery manager, Technical Product Owner
Openet a.s., Dublin
4/2008 – 10/2013 (5 Jahre, 7 Monate)
Telekommunikation
Tätigkeitszeitraum

4/2008 – 10/2013

Tätigkeitsbeschreibung

- Architecture
- Technical leading
- Customer consulting
- Delivery management
- Implementation

Eingesetzte Qualifikationen

Agile Methodologie, Projektmanagement (IT), Scrum, Telekommunikation / Netzwerke (allg.)

Zertifikate

Open Telekom Cloud Practitioner
Open Telekom Cloud
2025
Open Telekom Cloud Fundamentals
Open Telekom Cloud
2025
Open Telekom Cloud Essentials
Open Telekom Cloud
2025
Microsoft Certified: Azure Data Engineer Associate
Microsoft
2025
Microsoft Certified: Cybersecurity Architect Expert
Microsoft
2024
Microsoft Certified: Azure AI Fundamentals
Microsoft
2024
Microsoft Certified: Azure Solutions Architect Expert
2023
Microsoft Certified: Azure Network Engineer Associate
2023
Microsoft Certified: Azure Support Engineer for Connectivity Specialty
2023
Microsoft Certified: Azure Security Engineer Associate
Microsoft
2023
Microsoft Certified: Azure Data Fundamentals
Microsoft
2023
Microsoft Certified: Security, Compliance, and Identity Fundamentals
2023
Microsoft Certified: Identity and Access Administrator Associate
2023
Microsoft Certified: Azure Administrator Associate
2022
Microsoft Certified: Azure Fundamentals
2022
DataOps Methodology
IBM
2020
AWS Certified Solutions Architect - Associate
2019
MapR Certified Cluster Administrator
2019
Certified Hadoop Administrator
Hortonworks
2017
Certified ScrumMaster
Scrum Alliance
2017
Certified Hadoop Developer
Hortonworks
2016

Ausbildung

Automation Engineering and Robotics, Master Study
Ausbildung
Baltic State Technical University, St. Petersburg
1994

Über mich

Experienced cloud architect, engineer and technical manager.
Expert in Azure, AWS and hybrid cloud solutions.
Expert in infrastructure, security, networking, DevOps.
Expert in data architecture, big data, data engineering and data analytics.
Expert in product management, Scrum, Agile methodologies.
Proven track record of successful project delivery.
Strong background in software development.

My work is outcome-driven - from designing architectures to final delivery, including hands-on implementation, technical management, leading and mentoring cross-functional teams.



Core strengths

• Deep expertise in cloud architecture, infrastructure, networking, security, integration
• Deep expertise in building advanced data management and modern data analytics solutions
• Demonstrated ability to lead complex projects and resolve critical challenges
• Pragmatic delivery skills based on prioritization and business outcomes

Non-Technical Skills

• Product management, delivery management
• Clear definition of product features, business value, backlog items, constraints and advantages
• Building relationships with internal and external stakeholders
• Enabling cross-functional collaboration between business units, technical teams and operations
• Extensive experience in using various methodologies, including Agile, Scrum, Scrumban, DevOps, DataOps, Theory of Constraints (TOC), Critical Chain Project Management
• Comfortable with changes, able to adjust based of feedback or shifting priorities
• Leading cross-functional teams

Technical Skills

• Cloud platforms: Azure, AWS
• Infrastructure as Code: Terraform, ARM, PowerShell, Bash, Bicep
• Cloud networking: virtual WAN, SD-WAN, ExpressRoute, BGP, DNS, VPN, NSG, routing, firewalls (Azure, PaloAlto NGFW), connectivity troubleshooting
• Cloud Security: identity and access management (IAM), Entra ID (Azure AD), RBAC
• Data architecture: databases, big data, data lakes, data warehouses (DWH), modern data analytics
• Containerization: Docker, Kubernetes
• DevOps: Azure DevOps, CI/CD pipelines, various Git-based repositories
• Programming: Python, PowerShell, SQL, KQL, Java (earlier)
• Collaboration and management tools: JIRA, Confluence


Certifications

• Certified ScrumMaster - Scrum Alliance – 2017 – 2021
• Azure Solutions Architect Expert (AZ-305) - 2023 - 2025
• Microsoft Cybersecurity Architect Expert (SC-100) – 2023 - 2025
• Azure Security Engineer Associate (AZ-500) – 2023 – 2025
• Microsoft Identity and Access Administrator Associate (SC-300) – 2023 – 2025
• Azure Network Engineer Associate (AZ-700) – 2023 - 2025
• Azure Support Engineer for Connectivity Specialty (AZ-720) – 2023 – 2025
• Azure Administrator Associate (AZ-104) – 2022 – 2025
• Azure AI Fundamentals (AI-900) – 2024
• Azure Data Fundamentals (DP-900) – 2024
• AWS Solutions Architect - Associate – 2019 – 2021
• Certified Hadoop Administrator (Hortonworks) - 2017
• Certified Hadoop Developer (Hortonworks) - 2016

Weitere Kenntnisse

Demonstrated ability to lead complex projects, resolve critical technical challenges, and collaborate with cross-functional teams to drive strategic outcomes.

Persönliche Daten

Sprache
  • Englisch (Fließend)
  • Deutsch (Gut)
  • Slowakisch (Muttersprache)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
  • Vereinigte Staaten von Amerika
Home-Office
bevorzugt
Profilaufrufe
4722
Berufserfahrung
31 Jahre und 7 Monate (seit 01/1994)
Projektleitung
10 Jahre

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