Denys Dmitriiev
I'm DevOps
About
Experienced DevOps Engineer with 15+ years of designing, implementing, and maintaining scalable cloud infrastructure.
Proven track record of reducing deployment times by 70% and achieving 99.9% system uptime through automation and best practices.
🚀 Core Expertise:
- Cloud Platforms: AWS, Azure, Google Cloud Platform
- Containerization: Docker, Kubernetes, container orchestration
- CI/CD: GitLab CI, Jenkins, automated deployment pipelines
- Infrastructure as Code: Terraform, Ansible, CloudFormation
- Monitoring & Observability: Prometheus, Grafana, ELK stack
- Security: Google Cybersecurity certified, compliance frameworks
💼 Key Achievements:
- Reduced deployment time from 4 hours to 30 minutes through CI/CD automation
- Led cloud migration for 2,000+ users with zero downtime
- Cut infrastructure costs by 25% through optimization and automation
- Implemented security monitoring that prevented 15+ potential breaches
Currently helping 1xINTERNET scale their infrastructure while maintaining enterprise-grade security standards.
Senior DevOps Engineer | Cloud Infrastructure & Security
15+ years of experience in DevOps, SRE, and Cloud Architecture. AWS • Azure • GCP Certified
- Birthday: 13 August 1984
- Website: https://veliar.net
- Phone: +49 not now
- City: Mainz, Germany
- Age: 41
- Degree: Master
- Email: [email protected]
- Freelance: Available
Open to DevOps, SRE, and Cloud Architecture opportunities in Europe/Remote.
Happy Clients in local and cloud
Projects started and supported
Hours Of Support per year
Years of Experience in Information Technology
Skills
Curriculum vitae
My professional journey spans over 15 years, where I have honed my skills in cloud infrastructure, automation, and security. With a strong foundation in DevOps and SRE practices, I have successfully led teams to deliver scalable, reliable, and secure cloud environments.
Summary
Senior DevOps Engineer | Cloud Infrastructure & Security | 15+ Years Scaling Systems | AWS • Azure • GCP Certified
Experienced DevOps Engineer with 15+ years of designing, implementing, and maintaining scalable cloud infrastructure. Proven track record of reducing deployment times by 70% and achieving 99.9% system uptime through automation and best practices.
Core Expertise:
Cloud Platforms: AWS, Azure, Google Cloud Platform
Containerization: Docker, Kubernetes, container orchestration
CI/CD: GitLab CI, Jenkins, automated deployment pipelines
Infrastructure as Code: Terraform, Ansible, CloudFormation
Monitoring & Observability: Prometheus, Grafana, ELK stack
Security: Google Cybersecurity certified, compliance frameworks
Key Achievements:
Reduced deployment time from 4 hours to 30 minutes through CI/CD automation.
Led cloud migration for 2,000+ users with zero downtime.
Cut infrastructure costs by 25% through optimization and automation.
Implemented security monitoring that prevented 15+ potential breaches.
Currently helping 1xINTERNET scale its infrastructure while maintaining enterprise-grade security standards.
Open to DevOps, SRE, and Cloud Architecture opportunities in Europe and remote.
Contact: [email protected]
Education
Sumy State University
Master of Technology (MTech), Information Technology
2018 – 2019
GPA: 94
Simon Kuznets Kharkiv National University of Economics
Professional Marketer, Marketing
2006 – 2007
Experience
DevOps Engineer
1xINTERNET · Full-time
June 2020 – Present · 5 yrs 7 mos
Germany · Remote
- Architected and maintained cloud infrastructure supporting 10,000+ daily active users.
- Implemented GitOps workflows reducing deployment errors.
- Designed monitoring solutions achieving 99.9% uptime SLA compliance.
- Led security initiatives ensuring SOC 2 and GDPR compliance.
Technologies: AWS, Kubernetes, Terraform, GitLab CI, Prometheus, Docker
SRE L3
GoDaddy · Full-time
November 2018 – April 2021 · 2 yrs 6 mos
Lviv region, Ukraine · On-site
- Maintained high-availability infrastructure for mission-critical web services.
- Automated incident response procedures, reducing MTTR by 60%.
- Collaborated with development teams to implement SRE principles.
- Performed capacity planning and performance optimization for distributed systems.
Technologies: Linux, Git, monitoring systems, server administration
IT Lead · IT Engineer · IT Security Engineer
Sumy State University
June 2010 – December 2020 · 10 yrs 7 mos
Sumy, Ukraine
- System engineering, server support and virtual infrastructure support.
Medical Representative
Kusum Healthcare, Delhi, India
August 2011 – August 2012 · 1 yr 1 mo
- Represented company products to medical and pharmaceutical professionals.
System Administrator
Buymerovka Pine and Spa Resort
February 2009 – June 2010 · 1 yr 5 mos
Akhtyrka, Sumy, Ukraine
- Administration of up to 30 PCs and end‑user IT support.
- Website development, web server and hosting support.
Licenses & Certifications
Google Cloud Fundamentals: Core Infrastructure
Issued: November 2025
Credential ID: 20403276
View credentialIntroduction to Containers with Docker, Kubernetes & OpenShift
IBM
Issued: October 2025
Credential ID: U47IYQB9W77O
Skills: Kubernetes
View credentialOxford AI for Business & Governance Track
Saïd Business School, University of Oxford
-
AI Essentials
Issued: September 2025 · Credential ID: SLZNWUZO1YJ9
View credential -
AI Foundations for Business Professionals (Specialization)
Issued: September 2025 · Credential ID: YAKINQ36M2YX
View credential -
AI Governance
Issued: September 2025 · Credential ID: 2QVL9JJWK1DX
View credential -
Generative and Agentic AI
Issued: September 2025 · Credential ID: AD4EMM1R152K
View credential
Google Cybersecurity Program
Google · Coursera
-
Google Cybersecurity Certificate
Issued: April 2024
View credential -
Google Cybersecurity (Specialization)
Issued: April 2024 · Credential ID: 7ADD69SRGELM
View credential -
Automate Cybersecurity Tasks with Python
Issued: April 2024 · Credential ID: E3ZX6RBGLFA2
View credential -
Put It to Work: Prepare for Cybersecurity Jobs
Issued: April 2024 · Credential ID: PC79KZPU7VTN
View credential -
Sound the Alarm: Detection and Response
Issued: April 2024 · Credential ID: VSQDCXCZ9RFJ
View credential -
Assets, Threats, and Vulnerabilities
Issued: March 2024 · Credential ID: BLYBW28NDECJ
View credential -
Tools of the Trade: Linux and SQL
Issued: March 2024 · Credential ID: YZY7JCAY3A9W · Skills: Linux
View credential -
Connect and Protect: Networks and Network Security
Issued: February 2024 · Credential ID: CT49W2X8CHQW
View credential -
Play It Safe: Manage Security Risks
Issued: February 2024 · Credential ID: VZMMTWHHE8HU
View credential -
Foundations of Cybersecurity
Issued: August 2023 · Credential ID: RUA6SSFMX7T8 · Skills: Information Security
View credential
IT Security: Protection Against Digital Cyber Fraud
Coursera
Issued: May 2023
Credential ID: D4CTQZYTPHJR
Skills: Server Administration
View credentialIT Support from Google (Specialization)
Coursera
Issued: May 2023
Credential ID: JDSJ7W2J7THF
Skills: IT support, Server Administration, CI/CD, Git
View credentialSystem Administration and IT Infrastructure Services
Coursera
Issued: May 2023
Credential ID: V2U8FNEVE59Y
Skills: Server Administration, CI/CD, System Administration
View credentialServices
Expert cloud infrastructure management, security implementations, and reliability engineering to scale your business.
DevOps
Streamlining software delivery with automated CI/CD pipelines, Infrastructure as Code, and agile workflows.
Google Cloud
Architecting and managing scalable, secure cloud native solutions on Google Cloud Platform (GCP).
Azure
Designing and implementing robust enterprise infrastructure and hybrid cloud environments on Microsoft Azure.
SRE
Ensuring high availability and reliability through SLI/SLO implementation, monitoring, and fearless incident response.
Security
Implementing DevSecOps practices, compliance frameworks (SOC2/GDPR), and proactive threat management.
Troubleshooting
Deep-dive root cause analysis, performance tuning, and resolving complex infrastructure bottlenecks.
Testimonials
Denys is a top-tier DevOps engineer. His expertise in AWS and Kubernetes was crucial for our cloud migration. He automated our entire deployment pipeline, reducing errors to near zero. Highly recommended!
Andriy Dedkov
Chef of IT Department, SSU
Working with Denys was a pleasure. He significantly improved our system's reliability and security posture. His proactive approach to troubleshooting saved us from potential downtime multiple times.
Andriy Piven
Tech Lead, SSU
A true professional in the SRE space. Denys redesigned our infrastructure and implemented a robust monitoring solution. His knowledge of cloud security standards is impressive.
Zakhar Matula
CEO at Lviv IT! LLC. and Smart Choice Software LLC.
Contact
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