DevOps infrastructure background
Available for consulting

Senior DevOps Engineer

Building scalable cloud infrastructure, Kubernetes platforms and CI/CD systems.

Helping engineering teams deploy faster, scale confidently and improve reliability through automation and platform engineering.

AWS Azure Kubernetes Docker Terraform GitLab CI Jenkins Prometheus

About Me

Senior DevOps Engineer focused on reliability, scale and automation

Sergey Nikulin

Sergey Nikulin

Senior DevOps Engineer
Experience 8+ Years
Focus Cloud Native & DevOps
Telegram @Nikulin_SB
Status Available for projects

I am a Senior DevOps Engineer focused on building reliable, scalable and secure cloud-native platforms.

My expertise includes Kubernetes, Infrastructure as Code, CI/CD automation, monitoring, observability and cloud architecture on AWS and Azure.

I help organizations reduce deployment complexity, improve delivery speed and increase infrastructure reliability through modern platform engineering practices.

Contact Me

Skills

Technologies and tools I work with daily in production environments

Cloud

AWS Azure

Containers

Docker Kubernetes Helm

Infrastructure as Code

Terraform Ansible

CI/CD

GitLab CI Jenkins GitHub Actions

Observability

Prometheus Grafana ELK Stack

Operating Systems

Linux Ubuntu CentOS

Databases

PostgreSQL MySQL

Security

Vault IAM Secrets Mgmt

Services

What I can help your team achieve

Kubernetes Platform Engineering

Design, deployment and maintenance of production-grade Kubernetes clusters with high availability, security and observability built in.

CI/CD Automation

Building automated delivery pipelines for faster and safer releases using GitLab CI, GitHub Actions and Jenkins.

Infrastructure as Code

Managing infrastructure lifecycle through Terraform and Ansible — repeatable, version-controlled and auditable.

Cloud Architecture

AWS and Azure infrastructure design and optimization — cost-effective, secure and scalable architectures.

Monitoring & Observability

Metrics, logging and alerting using Prometheus, Grafana and ELK Stack — full visibility into your systems.

Infrastructure Audit

Performance, reliability and cost optimization reviews — identify bottlenecks and reduce cloud spend.

8 +

Years Experience

100 +

Deployments Automated

50 +

Infrastructure Projects

99.9 %

Target Reliability

Experience

8+ years building cloud-native infrastructure and DevOps platforms

Senior DevOps Engineer

Camunda
2023 – Present
  • Managing AWS and Azure infrastructure at scale
  • Implementing GitOps workflows with ArgoCD
  • Kubernetes platform operations and upgrades
  • CI/CD automation reducing deployment time by 60%
  • Prometheus and Grafana monitoring stack
AWSAzureKubernetesArgoCDGitOpsPrometheus

DevOps Engineer

Meltwater
2021 – 2023
  • Terraform automation for cloud resource provisioning
  • Ansible automation for configuration management
  • Kubernetes high availability cluster operations
  • HashiCorp Vault integration for secrets management
  • Infrastructure as Code adoption across teams
TerraformAnsibleKubernetesVaultIaC

System Administrator

Linode / Akamai
2019 – 2021
  • Linux server administration and hardening
  • Nginx and Apache web server configuration
  • PostgreSQL and MySQL database administration
  • Networking, firewall and VPN configuration
  • Infrastructure monitoring and alerting
LinuxNginxPostgreSQLMySQLVPN

Junior System Administrator

OVHcloud
2017 – 2019
  • Linux fundamentals and server management
  • Bash scripting for automation tasks
  • Networking and routing configuration
  • Virtualization with KVM and VMware
  • Git version control and workflows
LinuxBashNetworkingVirtualizationGit

Projects

Featured infrastructure and platform engineering work

Production Kubernetes Platform

Designed and operated a scalable Kubernetes platform supporting multiple production workloads with zero-downtime deployments and automated scaling.

Kubernetes Helm ArgoCD Terraform

GitOps Delivery Platform

Implemented GitOps workflows enabling automated infrastructure and application deployments triggered by Git events — eliminating manual operations.

GitLab CI ArgoCD Terraform

Monitoring & Observability Stack

Built centralized monitoring, logging and alerting solution providing full-stack visibility and reducing mean time to resolution for production incidents.

Prometheus Grafana ELK

Cloud Infrastructure Automation

Automated provisioning and lifecycle management of cloud resources across AWS and Azure, reducing provisioning time from days to minutes.

AWS Azure Terraform Ansible

Let's Build Reliable Infrastructure

Need help with Kubernetes, CI/CD, cloud infrastructure or automation?
Let's discuss your project.

Message on Telegram

@Nikulin_SB