Junior DevOps Engineer: Infra, CI/CD & Secure Ops

Sigma Software; Poland; On-site; PLN 120,000 - 180,000; Full time

Job summary

Sigma Software is seeking an Infrastructure Engineer to set up, configure, test, and maintain infrastructure across development, staging, testing, and production environments. You will help implement Infrastructure as Code and contribute to modular, auditable architectures.

You will support CI/CD pipelines, investigate incidents, configure monitoring and backups, enforce security best practices, and maintain runbooks and documentation while collaborating with developers, QA, security, and

Responsibilities

• Set up, configure, test, and maintain infrastructure across development, staging, testing, and production environments
• Contribute to Infrastructure as Code implementation following established modules, conventions, and review processes
• Support CI/CD pipeline configuration, maintenance, release preparation, and deployment activities
• Investigate incidents by collecting logs and monitoring evidence, performing initial triage, and documenting resolutions
• Configure monitoring checks, alerts, and participate in backup and recovery procedures
• Follow security best practices including least-privilege access management and secure secrets handling
• Maintain infrastructure documentation, deployment instructions, architecture diagrams, and operational runbooks
• Collaborate with developers, QA engineers, security specialists, and operations teams
• Continuously improve technical skills through mentoring, certifications, and project participation

Job description

Sigma Software is seeking an Infrastructure Engineer to set up, configure, test, and maintain infrastructure across development, staging, testing, and production environments. You will help implement Infrastructure as Code and contribute to modular, auditable architectures.

You will support CI/CD pipelines, investigate incidents, configure monitoring and backups, enforce security best practices, and maintain runbooks and documentation while collaborating with developers, QA, security, and