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Senior DevOps Engineer (DefenceTech)

Sigma Software · Lviv, Lviv Oblast, Ukraine

  • Software & SaaS
  • 1,001–5,000 employees
  • London

Strong hiring record · median 36 days open

100100

Hiring signal

Actively hiring

Posted today · still listed on the employer's own board · How we score

All reasons

In its favour

  • Posted today
  • Still listed on the employer's own board

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Senior DevOps Engineer (DefenceTech) at Sigma Software. We’ll keep it in your applied jobs, so you can see it later and be warned before applying to the same employer twice.

  • Design, implement, and maintain scalable AWS-based infrastructure across multi-account environments
  • Develop and support Infrastructure as Code solutions using Terraform modules and reusable configurations
  • Configure and standardize backup and disaster recovery processes for cloud services and SaaS platforms
  • Implement secure backup strategies including cross-account replication, encryption, Object Lock (WORM), and isolated backup environments
  • Perform restore testing for databases and critical systems and validate real RTO/RPO indicators
  • Create and maintain operational documentation, runbooks, and technical procedures in English
  • Automate infrastructure and operational processes using Bash and/or Python
  • Manage and support Kubernetes clusters and Helm deployments
  • Monitor backup jobs and infrastructure reliability and configure alerting mechanisms
  • Collaborate with internal DevOps teams through merge request workflows and infrastructure reviews
  • Assess and improve cloud infrastructure resilience and security posture
  • 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 and cloud security best practices
  • Production-level experience with Terraform including modules, remote state management, and multi-environment deployments
  • Strong practical experience with Kubernetes and Helm
  • Solid Linux administration skills
  • Experience with automation and scripting using Bash and/or Python
  • Proven experience implementing backup and disaster recovery strategies in production environments
  • Hands-on experience performing production data restoration and validating RTO/RPO metrics
  • Experience writing technical documentation and operational runbooks in English
  • Understanding of cloud security principles and infrastructure resilience practices
  • At least an Intermediate level of English

WILL BE A PLUS

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

PERSONAL PROFILE

  • Strong ownership mindset and ability to work independently in a high-responsibility environment
  • Attention to detail and operational reliability
  • Passion for automation, infrastructure resilience, and continuous improvement

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