Profileimage by Sergej Ostashchuk Cloud Architect | Infrastructure, security, networking, IaC, DevOps from Bratislava

Sergej Ostashchuk

available

Last update: 20.03.2023

Cloud Architect | Infrastructure, security, networking, IaC, DevOps

Company: DIGITAL RAIN s.r.o.
Graduation: not provided
Hourly-/Daily rates: show
Languages: German (Limited professional) | English (Full Professional)

Attachments

sergej-ostashchuk-cv-detailed_200323.pdf

Skills

MS Azure
IaC
Terraform
DevOps
cloud networking
cloud security



Other skills:

- hybrid cloud architecture
- cloud migration, landing zones
- virtual networks, VPNs, gateways, routing, firewalls, proxies, bastion hosts, encryption, TCP/IP, DNS, HTTPS
- Azure RBAC, Azure Active Directory, users, managed identities, service principals, roles, permissions
- VMs, Storage, serverless computing, Azure Functions, Event Hubs, Key Vaults, SQL Database, Synapse Analytics
- infrastructure automation, Azure RM, templates, CLI scripting, Azure Bicep, Terraform, Chef, Ansible
- AWS, S3, IAM, VPC, EC2, Lambda, ECS, ECR, ELB, ASG, SNS, Athena, Glue, CodeCommit, CodePipeline, CloudFormation, CloudWatch
- big data analytics, data lakes, DWH, BI
- DevOps, Azure DevOps
- Git, BitBucket, Jira, Confluence
- Bash, PowerShell, Python, SQL

Experience:

- Designed and implemented Azure-based cloud solutions using Azure VMs, Azure Functions,
Azure Storage, Azure SQL Database, Azure Event Hubs etc
- Designed and implemented networking solutions using Azure components, networking
standards, protocols, security and traffic management tools
- Designed and implemented big data solutions in public and private clouds using MS Azure,
AWS, Hortonworks, Cloludera and MapR platforms
- Collaborated with cross-functional teams to design and implement complex solutions
- Provided technical guidance and mentorship to junior team members
- Conducted technical evaluations of new solutions and made recommendations
- Created architecture diagrams, technical specifications, user guides and other documentation
- Worked as a bridge between internal and external business and technical teams
- Troubleshooted and resolved complex deep technical issues
- Conducted communication with customers, partners and 3rd parties
- Managed solution delivery with many participating companies
- Recovered troubled projects


 

Project history

05/2006 - Present
Independent consultant | Co-Founder, CEO
Digital Rain
Internet and Information Technology

03/2021 - 01/2023
Cloud & Data Architect
A1 Telekom Austria AG
Telecommunications

04/2020 - 08/2020
Cloud DataOps Lead
Raiffeisen Bank International AG
Banks and financial services

12/2016 - 06/2018
Big Data Architect
Munich Re
Insurance

05/2015 - 07/2016
Big Data Consultant
Teradata
Internet and Information Technology

04/2008 - 10/2012
Architect | Technical product owner | Lead Engineer
Openet
Telecommunications

03/2004 - 04/2008
Architect | Technical manager | Delivery engineer
Orange
Telecommunications

Certifications

Microsoft Certified: Azure Support Engineer for Connectivity Specialty
2023
Microsoft Certified: Azure Network Engineer Associate
2023
Microsoft Certified: Azure Solutions Architect Expert
2023
Microsoft Certified: Security, Compliance, and Identity Fundamentals
2023
Microsoft Certified: Azure Administrator Associate
2022
Microsoft Certified: Azure Fundamentals
2022
DataOps Methodology
2020
AWS Certified Solutions Architect – Associate
2019
MapR Certified Cluster Administrator v6 (MCCA)
MapR Technologies
2019
AWS Certified Cloud Practitioner
2018
Certified Hadoop Administrator
2017
Certified ScrumMaster
2017
Certified Hadoop Developer
2016

Local Availability

Available worldwide

Other

IT-Haftpflichtversicherung
B2B
Profileimage by Sergej Ostashchuk Cloud Architect | Infrastructure, security, networking, IaC, DevOps from Bratislava Cloud Architect | Infrastructure, security, networking, IaC, DevOps
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