Junior DevOps Engineer (DevOps Team)

Sigma Software; Województwo mazowieckie; On-site; PLN 60,000 - 90,000; Full time

Job summary

Sigma Software is seeking a Junior DevOps Engineer to grow hands-on with modern cloud infrastructure, CI/CD pipelines, automation, and Infrastructure as Code. You’ll work within a skilled team to gain mentorship from senior engineers on international projects.

You will strengthen your cloud and automation skills in a collaborative setting with ongoing learning and career development opportunities, while contributing to real-world DevOps initiatives.

Qualifications

• 1+ year hands-on experience with at least one public cloud platform (AWS/Azure/GCP).
• Solid Linux administration and networking fundamentals knowledge.
• Understanding of CI/CD principles and practical exposure to CI tools.
• Familiarity with containerization concepts and runtime environments.
• Scripting experience in Shell and Python or PowerShell.
• Basic Infrastructure as Code familiarity with Terraform and Ansible.
• Understanding of DevOps principles and SDLC processes.
• Good written and spoken English with strong collaboration skills.
• Willingness to learn and grow in a DevOps environment.

Responsibilities

• Set up, configure, test, and maintain infrastructure across development, staging, testing, and production environments.
• Contribute to Infrastructure as Code implementation following established modules and review processes.
• Support CI/CD pipeline configuration, maintenance, release preparation, and deployment activities.
• Investigate incidents by collecting logs, performing 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 secrets handling.
• Maintain infrastructure documentation, deployment instructions, architecture diagrams, and runbooks.
• Collaborate with developers, QA, security, and operations teams.
• Continuously improve skills through mentoring, certifications, and project participation.

Skills

Public cloud experience

Linux administration

CI/CD concepts

Containerization

Scripting (Shell, Python/PowerShell)

DevOps principles

Networking fundamentals

Upper-Intermediate English

Collaboration and teamwork

Tools

GitHub Actions

GitLab CI

Jenkins

Terraform

Ansible

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.

• 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

• 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 conceptsUnderstanding 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

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