DevOps Engineer

About the Position

We are seeking a highly qualified DevOps Engineer whose primary objective is the complete automation of deployment processes, the introduction of new services, and the continuous improvement of current artifact delivery processes (CI/CD).

We expect you to possess extensive, practical experience managing and automating cloud infrastructure capable of supporting large-scale applications. Your deep knowledge and experience working with modern microservices architecture and distributed systems are critically important. Your expertise must include successful scaling of production environments and optimization of their performance.

Responsibilities

• Design and implement a full cycle of deployment and CI/CD automation using GitLab and the GitOps (ArgoCD) methodology to accelerate and improve service delivery reliability.
• Deploy and maintain all cloud and on-premise infrastructure as code (IaC) using Terraform and Ansible.
• Write Bash and Python scripts to automate routine tasks, troubleshoot issues, and build self-healing systems.
• Continuously improve artifact delivery processes and automate testing, deployment, and monitoring of new services.
• Administration and optimization of production Kubernetes clusters (EKS), including HPA/VPA configuration, Storage Classes, and CNI.
• Deployment and management of AWS services (VPC, EC2, S3, IAM, Route 53) to ensure high availability and performance.
• Managing and configuring complex databases (RDS, DynamoDB, Clickhouse) and message brokers (NATS/Kafka), including backup and scaling strategies.
• Configuration and resource management in OpenStack environments.
• Participating in the design of microservice architectures and distributed systems, taking into account scalability and fault tolerance requirements.
• Preparing new solutions and implementing them into the company's current infrastructure.
• Close collaboration with development and DevOps teams to implement best practices and CI/CD within agile methodologies.

Requirements

• Infrastructure as Code (IaC) and Configuration Management

  • Expert proficiency with Terraform for managing the entire infrastructure (AWS, K8s, Cloudflare, OpenStack).
  • Extensive experience with Ansible for configuration and deployment automation.
  • Excellent scripting skills in Bash and Python for creating self-healing systems.

• CI/CD Pipelines and Deployment Automation

  • Deep knowledge and experience creating/maintaining CI/CD pipelines using GitLab.
  • GitOps: Experience implementing GitOps methodologies (ArgoCD) for automated Kubernetes configuration management.
  • Automation of testing, deployment, and service monitoring.

• Kubernetes and Containerization

  • Extensive experience managing production workloads in Kubernetes (preferably via EKS).
  • Knowledge of Helm, Kubectl, and containerization platforms such as Docker.
  • K8s Security: Expert experience working with Kubernetes RBAC and configuring Network Policies.
  • Scaling/Storage: Skills in fine-tuning HPA/VPA, experience working with Persistent Volumes and Storage Classes.

• AWS Services

  • Deep knowledge of core AWS services: EC2, VPC, S3, IAM, CloudWatch, Route 53.
  • Significant practical experience working with EKS.

• Databases

  • Management and configuration of RDS (PostgreSQL, MongoDB, Clickhouse), DynamoDB, ElastiCache.
  • Understanding of database backup and scaling principles.
  • Ability to work with databases both on-premise and within K8s environments.

• Cloudflare Services

  • Practical experience working with Cloudflare services: Workers, Page Rules, Cache Rules, CDN, DNS, WAF.

• Message Brokers

  • Experience deploying, configuring, and managing NATS (or NATS JetStream).
  • Familiarity or experience working with Apache Kafka for high-load streaming data.

• Monitoring

  • Experience working with AWS CloudWatch, Prometheus, Grafana.
  • Ensuring Observability in cloud systems through proactive monitoring and alerting.

• Networking and Security

  • Understanding of VPC networking principles, Security Groups, IAM roles and policies.
  • Ability to troubleshoot network issues and optimize performance.

Nice to Have

• Startup experience
• Skills to build and maintain HA systems
• Knowledge of ArgoCD and Gitlab CI

Soft Skills

• Adaptability
• Collaboration
• Time Management
• Critical Thinking
• Attention to Detail

We Offer

• An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more.
• Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed.
• Beautiful offices in Warsaw, Limassol, Yerevan - work remotely or on-site with comfort and enjoy the opportunity to build a network of connections with professionals day by day.
• Modern corporate equipment based on macOS or Windows and additional equipment are provided.
• Paid vacations, sick leave, personal events days, days off.
• Corporate healthcare program for your well-being.
• Referral program - enjoy cooperation with your colleagues and get the bonus.
• Educational support by our L&D team: internal and external trainings and conferences, courses on Udemy.
• Free internal English courses.
• Sport benefit.
• Multiple internal activities: online platform with newsletters, quests, gamification, and presents for collecting bonuses, RedCore talks club for movie and book lovers, board games cozy evenings, special office days dedicated to holidays, etc.
• Company events, team buildings.

About the Company

Join our dynamic team and contribute to the continuous improvement and automation of our deployment processes. We offer a challenging and rewarding environment where your skills and expertise will be valued and utilized to their fullest potential.