Senior DevOps Engineer (DefenceTech)

Location: Hybrid position based in Lviv, Ukraine, Europe

Company

Join hirify.global Software on a mission-critical DefenceTech project for a Ukrainian defence and security technology company.

What you will do

• Design, implement, and maintain scalable AWS infrastructure across multi-account environments.
• Develop reusable Infrastructure as Code solutions with Terraform modules and multi-environment configurations.
• Configure secure backup and disaster recovery processes, including cross-account replication, encryption, Object Lock (WORM), and isolated backup environments.
• Perform production restore testing for databases and critical systems and validate RTO/RPO indicators.
• Manage Kubernetes clusters and Helm deployments while automating infrastructure and operational workflows with Bash and/or Python.
• Maintain operational documentation and runbooks in English, monitor reliability, configure alerting, and collaborate through infrastructure reviews.

Requirements

• At least 5 years of commercial experience in DevOps, Cloud Infrastructure, or Site Reliability Engineering.
• Strong hands-on experience with AWS services including Organizations, IAM, S3, RDS, AWS Backup, KMS, and EKS.
• Deep understanding of AWS multi-account architecture, cloud security best practices, and infrastructure resilience.
• Production-level Terraform experience, including modules, remote state management, and multi-environment deployments.
• Strong practical Kubernetes and Helm experience, plus solid Linux administration skills.
• Automation and scripting experience with Bash and/or Python.
• Production experience implementing backup and disaster recovery strategies, restoring data, and validating RTO/RPO metrics.
• Experience writing technical documentation, operational runbooks, and procedures in English.
• At least Intermediate English level required.
• Strong ownership, independence, attention to detail, operational reliability, and a focus on continuous improvement.

Nice to have

• Experience with GitLab APIs, export, and repository mirroring.
• Experience with SaaS backup solutions or Microsoft 365 backup.
• Familiarity with security-focused or high-availability infrastructure environments.
• Experience in DefenceTech or other mission-critical domains.

Culture & Benefits

• Work with a DevOps team of more than 30 specialists.
• Contribute to impactful, mission-critical projects using AWS, Kubernetes, Terraform, and other modern technologies.
• Collaborate with experienced engineers through knowledge sharing and infrastructure reviews.
• Access professional growth through complex technical challenges and cutting-edge technologies.