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Serhii
Nesterenko

DevOps Engineer

Backend Developer

Consultant and Mentor

Platform Architect

Experienced IT & Infrastructure Engineer specializing in SRE, DevOps, Cloud, System Administration, Networking, and Storage. Skilled in virtualization, containerization, big data, Web3 infrastructure, programming, and troubleshooting. Proven leader with a passion for learning, teaching, and delivering fast, high-quality IT solutions.
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About Me
My story

With over 20 years of experience in DevOps, Infrastructure, and Site Reliability Engineering, I help organizations design and build robust, scalable systems that drive business growth. My expertise spans cloud platforms and on-premises environments, containerization, automation, and modern deployment strategies, supported by a deep knowledge of diverse platforms and operating systems.

Holding a Master’s degree in Computer Engineering (2007), my career has been shaped by a wide range of roles, including Software Engineer, Hardware Engineer, and Backend Engineer, before strategically transitioning to DevOps in 2018. This journey has equipped me with a broad and versatile technical foundation, covering multiple programming languages, frameworks, and tools, and has honed my ability to adapt quickly in fast-changing environments.

An enthusiastic AI and cryptocurrency researcher, I remain deeply engaged with emerging technologies and the challenges they bring. In 2022, I relocated to the United Arab Emirates, contributing my extensive international experience to a dynamic and rapidly evolving tech ecosystem.

My professional approach blends technical excellence, interdisciplinary expertise, and a passion for innovation. I am committed to continuous learning, fostering collaboration, and delivering forward-thinking solutions in the ever-changing landscape of digital technology.

  • Age: 39
  • Residence: UAE
  • Remote: Worldwide
  • Local: UAE
  • Phone: +971 585 109657
  • E-mail: serhii@nesterenko.net
Services
What I Do
DevOps Automation

End-to-end automation of development and deployment processes.
CI/CD pipeline design and implementation
- Automated test and benchmark integration in delivery pipelines
- Infrastructure as Code (IaC) setup
- Automated testing and quality gates
- Release management and rollback strategies

Cloud Migration and Architecture

Seamless migration to and off cloud platforms with optimized architecture design.
- Cloud strategy and roadmap development
- Multi-cloud and hybrid cloud solutions
- Cost optimization and resource management
- Local DC design and implementation
- Private cloud solutions

Monitoring and Observability

- Application and infrastructure monitoring
- Log aggregation and analysis
- Alerting and incident response
- Performance optimization and tuning
- Cost optimization and resource management
- Industrial Monitoring and Optimization

Information Security

Security is expensive. Not exactly security, but expenses not being secure. Implementing security best practices and ensuring compliance with industry standards. - Security assessment and hardening
- Compliance framework implementation
- Identity and access management
- Vulnerability scanning and remediation

AI/ML Operations and Lifecycle Management

- Model development, training, and optimization
- ML pipeline automation and orchestration
- Data preprocessing, cleansing, and feature engineering
- Model deployment, monitoring, and drift detection
- Performance tuning and resource optimization

Servers Support

- Maintaining Linux/FreeBSD/Windows servers either in own datacenters or in cloud - Both on-premises datacenters and cloud environments
- System installation, configuration, and optimization
- Proactive monitoring, troubleshooting, and performance tuning
- Backup, recovery, and disaster recovery planning

Platform/Infrastructure Architecture

- Design and deployment of Kubernetes-based infrastructures
- High availability and fault tolerance for production services
- Support for microservices architecture and Docker containerization
- Flexible and efficient CI/CD pipeline development
- Scalable, secure, and maintainable infrastructure solutions

Software and System Architecture

- Design of scalable, maintainable, and secure system architectures
- Selection of optimal technologies, frameworks, and tools
- Definition of system components, interfaces, and integration points
- Architectural reviews, optimization, and refactoring
- Alignment of architecture with business goals and technical requirements

CNC equipment repair and retrofit

- Repair and maintenance of CNC machines regardless of make or year
- Retrofit and upgrade of control systems and hardware components
- Troubleshooting mechanical, electrical, and software issues
- Calibration and alignment for precision manufacturing
- Integration of modern automation and monitoring solutions

End-to-end project development

- Full lifecycle management from requirements definition to launch
- High-quality, maintainable solutions with minimal ongoing costs
- Architecture design, implementation, and testing
- Integration with existing systems and workflows
- Post-launch monitoring, support, and optimization

MCU appliances developement

- Transforming concepts into functional hardware solutions
- PCB design and electronic circuit development
- Device design, enclosure modeling, and component selection
- Prototyping and functional testing
- Preparation for mass production and manufacturing support

Tutoring and mentoring

- Personalized training in IT, software development, and engineering
- Guidance on best practices, tools, and workflows
- Mentoring for career growth and technical skill advancement
- Hands-on assistance with real-world projects and challenges
- Encouraging continuous learning and problem-solving skills

Pricing
Free 30min strategy session
Startup
99$ hour
  • Server support
  • Development
  • CI/CD
  • DevOps
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Professional
149$ hour
  • Infrastructure Planning
  • Platform Design
  • Software Design
  • Tutoring
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Industrial
149$ hour
  • CNC Repair and Retrofit
  • AI and ML
  • Appliance Design
  • ERP/MRP Integration
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Enterprise
199$ hour
  • Platform Audit
  • Security Audit
  • Team Training
  • Legacy Code Maintaining
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Expertise
What I Do
  • Infrastructure

    Comprehensive planning, development, and implementation of the core components that make an organization's technology systems work properly. It encompasses both physical and virtual resources that support the flow, processing, and storage of data.

    95%
  • Software

    Conceptualizing and planning how a software system will function before its implementation. It serves as a blueprint for developers, translating user requirements into a structured framework that guides the coding and implementation phases.

    80%
  • Hardware

    Creating and developing the physical components of electronic systems and devices. It involves conceptualizing, planning, and implementing the tangible elements that make up computer systems and other technological products.

    90%
  • AI / ML

    Conceptualizing, planning, and implementing intelligent systems that can learn from data and perform tasks typically associated with human intelligence. This field combines artificial intelligence (AI) and machine learning (ML) to create solutions that can analyze complex data, make predictions, and automate decision-making processes

    85%
Language Skills
Reading and writing
  • Russian

    Native speaker

    100%
  • English

    C1

    90%
  • German

    A2

    40%
  • Spanish

    A2

    45%
Coding Skills
Developing on
  • 95%
    GoLang

  • 90%
    Java

  • 85%
    TypeScript

  • 90%
    Bash

  • 65%
    Rust

  • 85%
    Python

  • 90%
    C/C++

  • 65%
    Lua

  • 80%
    C#

Tech Stack
What I Use
  • 95%
    Kubernetes

  • 90%
    Ansible

  • 85%
    Terraform

  • 90%
    AWS

  • 65%
    Azure

  • 85%
    Ceph

  • 90%
    Grafana stack

  • 65%
    ELK

  • 80%
    Vault

Contact
Let's talk
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Serhii Nesterenko
Consultant & Mentor
  • Age: 39
  • Residence: UAE
  • Remote Worldwide
  • Local UAE
  • Phone: +971 58 5109657
  • E-mail: serhii@nesterenko.net
Serhii Nesterenko