AWS DevOps Engineer

We are looking for a highly skilled AWS DevOps Engineer with extensive hands-on experience designing, deploying, and maintaining cloud infrastructure on Amazon Web Services (AWS). The ideal candidate will have a proven track record of at least 5 years of continuous, practical AWS usage, with deep knowledge of infrastructure automation, cost control, and security compliance.

Core Responsibilities

Cost Management and Optimization

• Continuously monitor AWS billing and usage using Cost Explorer, Budgets, and CloudWatch.
• Proactively identify and implement cost-saving measures, including right-sizing, reserved instances, and S3 lifecycle management.
• Provide regular reports and recommendations on cloud spend optimization.

Security and Compliance

• Enforce security best practices using AWS IAM, KMS, GuardDuty, Security Hub, and CloudTrail.
• Manage identity and access policies following least privilege principles.

Cloud Infrastructure Management

• Design, implement, and maintain scalable, reliable, and cost-efficient AWS environments.
• Manage infrastructure as code using tools such as Terraform, CloudFormation, or CDK.
• Optimize workloads for high availability, auto-scaling, and disaster recovery.

CI/CD and Automation

• Develop and maintain CI/CD pipelines using AWS CodePipeline, Jenkins, GitHub Actions, or similar tools.
• Automate build, test, and deployment processes for containerized and serverless applications.

Monitoring and Reliability

• Implement proactive monitoring and alerting using CloudWatch.
• Lead incident response and root-cause analysis to prevent recurrence.

Collaboration and Documentation

• Work closely with developers, QA, and operations teams to support agile delivery.
• Maintain documentation of infrastructure, procedures, and policies.

Required Skills and Experience

• 5+ years of hands-on experience with AWS, including production-scale environments.
• Strong proficiency with key AWS services:

1. Compute: EC2, ECS, EKS, Lambda
2. Storage: S3, EBS, EFS, Glacier
3. Networking: VPC, Route 53, CloudFront, API Gateway
4. Security: IAM, KMS, CloudTrail, GuardDuty, Security Hub
5. Management & Monitoring: CloudWatch, CloudFormation, Config, Trusted Advisor

• Deep understanding of AWS pricing models and cost optimization techniques.
• Proven experience implementing infrastructure as code (IaC) using Terraform or CloudFormation.
• Strong background in Linux systems, containerization (Docker, Kubernetes), and automation scripting (Python, Bash, or PowerShell).
• Experience with Git-based workflows, CI/CD tools, and DevSecOps practices.
• Understanding of networking fundamentals (DNS, SSL, VPN, load balancing).
• Demonstrated focus on security hardening, compliance, and data protection in cloud environments.
• AWS certifications such as AWS Certified DevOps Engineer – Professional, Solutions Architect, or Security Specialty are highly desirable.
• Upper-Intermediate or higher level of English — both spoken and written.
• Ukrainian proficiency for internal communication with the team.

Nice to Have

• Experience with multi-account AWS organization management and Control Tower.
• Familiarity with FinOps principles and AWS cost governance tools.
• Exposure to serverless architectures and event-driven design patterns.
• Knowledge of observability stacks (ELK, OpenTelemetry).
• Experience supporting hybrid or multi-cloud environments (Azure, GCP).

About Kozak Group

Kozak Group is a Ukrainian-founded IT company established in 2015, specializing in E-commerce, Web, and Cloud solutions for clients worldwide.
 

Over the years, we have grown from a small startup into a trusted technology partner delivering innovative products with strong business value.

Our structure includes specialized departments in Magento, Shopify, Laravel, React/Next.js, DevOps, Data Engineering, Mobile Development, and AI/ML.
 

We value professionalism, accountability, and proactive collaboration while fostering a culture of continuous learning and open communication.

What We Offer

• Remote or hybrid work format - you can work from anywhere in the world or from our office in Kyiv.
• Competitive compensation based on your skills and experience.
• Stable long-term projects with opportunities for professional growth.
• Strong technical team - work alongside experienced DevOps engineers, developers, and data professionals.
• Support for professional development - certifications (AWS, Terraform, Kubernetes, etc.) and internal knowledge-sharing sessions.
• Healthy work culture - flexible schedule, internal meetups, speaking clubs, teambuildings, and charitable initiatives.

If you’re ready to take on challenging AWS infrastructure projects and be part of a forward-thinking engineering team -
 

📩 Send us your CV! We’d be happy to get to know you.