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: * Compute: EC2, ECS, EKS, Lambda * Storage: S3, EBS, EFS, Glacier * Networking: VPC, Route 53, CloudFront, API Gateway * Security: IAM, KMS, CloudTrail, GuardDuty, Security Hub * 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.
