Junior DevOps Engineer (DevOps Team)

Sigma Software; Warszawa; On-site; PLN 90,000 - 130,000; Full time

Benefits offered by this job

Mentoring and career growth

Certifications support

Continuous learning culture

Job summary

Sigma Software in Warsaw seeks a Junior DevOps Engineer to gain hands-on experience with cloud platforms, CI/CD pipelines, automation, and Infrastructure as Code. You will join a growing DevOps team and work on international projects under senior mentors.

Responsibilities include setting up and maintaining infrastructure, contributing to IaC, supporting CI/CD workflows, incident triage, monitoring, and security best practices. Excellent collaboration and English skills are required.

Qualifications

• 1+ years of hands-on experience with at least one public cloud platform: AWS, Azure, or GCP.
• Solid understanding of Linux administration and networking fundamentals including TCP/IP, DNS, HTTP/HTTPS, services, packages, and system metrics.
• Understanding of CI/CD principles and practical exposure to GitHub Actions, GitLab CI, Azure DevOps, Jenkins, or TeamCity.
• Understanding of containerization concepts and practical experience with container images and runtime environments.
• Scripting experience using Shell and either Python or PowerShell.
• General understanding of Infrastructure as Code and configuration management tools such as Terraform and Ansible.
• Understanding of SDLC processes and DevOps principles.
• Basic knowledge of databases, monitoring, logging, backup, storage, and security concepts.
• Understanding of authentication and authorization concepts, TLS, and secure secrets management.
• Experience using AI assistants responsibly while validating outputs and maintaining data security standards.
• Good communication and collaboration skills.
• At least an Upper-Intermediate level of English.

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.

Skills

Public cloud basics

Linux administration

Networking fundamentals

CI/CD principles

GitHub Actions

GitLab CI

Azure DevOps

Jenkins

TeamCity

Containerization

Shell scripting

Python or PowerShell

Terraform

Ansible

SDLC/DevOps

Databases/Monitoring/Logging

Security concepts (TLS/secrets)

English (Upper-Intermediate)

Tools

Terraform

Ansible

GitHub Actions

GitLab CI

Azure DevOps

Jenkins

TeamCity

Job description

Join a growing DevOps community at Sigma Software and build hands-on experience with modern cloud infrastructure, CI/CD pipelines, automation, and Infrastructure as Code. We are looking for a Junior DevOps Engineer eager to develop technical expertise while working alongside experienced professionals on international projects.

You will become part of a top-notch DevOps team of more than 30 specialists collaborating across cloud-native platforms, enterprise systems, and scalable digital products. We as a company support continuous learning, mentoring, certification growth, and transparent career development.

This role is a great opportunity for engineers who want to strengthen their cloud and automation skills in a collaborative environment with access to Senior and Principal-level mentorship.

Job Description

• 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

Qualifications

• 1+ years of hands-on experience with at least one public cloud platform: AWS, Azure, or GCP
• Solid understanding of Linux administration and networking fundamentals including TCP/IP, DNS, HTTP/HTTPS, services, packages, and system metrics
• Understanding of CI/CD principles and practical exposure to GitHub Actions, GitLab CI, Azure DevOps, Jenkins, or TeamCity
• Understanding of containerization concepts and practical experience with container images and runtime environments
• Scripting experience using Shell and either Python or PowerShell
• General understanding of Infrastructure as Code and configuration management tools such as Terraform and Ansible
• Understanding of SDLC processes and DevOps principles
• Basic knowledge of databases, monitoring, logging, backup, storage, and security concepts
• Understanding of authentication and authorization concepts, TLS, and secure secrets management
• Experience using AI assistants responsibly while validating outputs and maintaining data security standards
• Good communication and collaboration skills
• At least an Upper-Intermediate level of English

WILL BE A PLUS

• Experience with Kubernetes or other orchestration platforms
• Hands-on experience with Terraform or Ansible in production environments
• Experience with centralized logging and monitoring tools such as Prometheus, Grafana, ELK Stack, CloudWatch, or Datadog
• Exposure to GitOps practices
• Familiarity with AI/LLM services or vector databases in infrastructure-related scenarios
• Cloud or Linux-related certifications

Additional Information

PERSONAL PROFILE

• Strong willingness to learn and grow within a professional DevOps environment
• Proactive and ownership-oriented mindset
• Ability to collaborate effectively in cross-functional teams
• Attention to detail and structured approach to operational tasks
• Good analytical and problem-solving skills