Sigma Software Group

Infrastructure Engineer

Sigma Software Group

full-time

Posted on:

Location Type: Remote

Location: Ukraine

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Tech Stack

AzureDNSDockerKafkaLinuxMS SQL ServerRedisSMTPSQLTFS

About the role

  • Administer and support hybrid IT infrastructure (primarily on-premises, with selected workloads in Microsoft Azure)
  • Install, configure, harden, and maintain Windows Server environments (2016–2022)
  • Manage on-premises Active Directory, Group Policy, DNS, DHCP, and other core Windows services
  • Perform basic administration of Azure infrastructure components (VMs, Virtual Networks, routing, Load Balancer, VPN connectivity, DNS, RBAC, monitoring)
  • Administer and troubleshoot Microsoft SQL Server, including backup strategies, restore procedures, and performance optimization
  • Manage Debian-based Linux servers hosting infrastructure services (e.g., Redis/Kafka)
  • Support and troubleshoot containerized services on Linux hosts using Docker Compose
  • Design, implement, and maintain infrastructure monitoring and alerting
  • Administer and troubleshoot network services (routing, DNS, DHCP, SMTP, VPN)
  • Manage source control systems (TFS / Azure DevOps Server, Git)
  • Automate infrastructure operations using PowerShell
  • Investigate incidents, perform root cause analysis, and implement preventive measures
  • Maintain technical documentation and operational standards
  • Collaborate with internal teams and customers to resolve issues and improve systems

Requirements

  • At least 3 years of Windows Server administration (2016–2022) experience in production environments
  • Strong knowledge of Active Directory, Group Policy, DNS
  • Experience with Azure IaaS/networking
  • Solid SQL Server administration and troubleshooting skills
  • Working knowledge of Debian-based Linux administration
  • Practical experience with Docker on Linux (multi-host, Docker Compose)
  • Experience with source control systems (TFS / Azure DevOps Server, Git)
  • Strong troubleshooting mindset and networking fundamentals
  • PowerShell scripting skills
  • Ability to produce clear technical documentation
  • Strong communication skills and independent work capability
Benefits
  • flexible work arrangements
  • professional development
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Windows Server administrationActive DirectoryGroup PolicyDNSDHCPMicrosoft AzureSQL Server administrationDebian-based Linux administrationDockerPowerShell scripting
Soft Skills
troubleshooting mindsetcommunication skillsindependent work capability