DevOps engineer

DevOps Engineer Digital Winners

Role Overview

We are looking for a DevOps Engineer to own automate and continuously improve our cloud and on-premises infrastructure. You will work closely with our development teams to ensure stable secure and scalable environments enabling fast and reliable delivery of new product features.

The ideal candidate has hands-on experience with AWS CI/CD pipelines observability stacks and networking and feels comfortable operating in high-traffic business-critical environments.

Key Responsibilities

Cloud Infrastructure (AWS)

Design manage and optimize infrastructure on AWS including:

AuroraDB and other database engines

EC2 instances and load balancers

Amazon Linux 2023

S3 buckets

Route53 DNS

ECR for container images

Implement and maintain secure well-structured VPCs routing and VPNs.

• Contribute to capacity planning performance tuning and cost optimization.

CI/CD & Automation

Build and maintain CI/CD pipelines using Azure DevOps.

Manage and secure secrets in Azure DevOps.

Use Terraform for Infrastructure as Code (IaC) to provision and manage resources.

• Integrate and maintain SonarQube for code quality and security checks.

Observability & Monitoring

Implement and operate a full observability stack using:

Prometheus

Grafana

Loki

Set up and fine-tune dashboards alerts and metrics to ensure proactive monitoring.

Investigate and resolve incidents performing root cause analysis and proposing

improvements.

CDN & Performance

Work with Cloudflare for:

Real-time image optimization

Geo-specific content caching

Workers (edge functions) to run logic at the edge

• Optimize performance and latency for high-traffic websites and streaming services.

On-Premise Systems

Support and maintain on-prem infrastructure including:

VmWare ESXi

MariaDB & PostgreSQL

Nginx

Ansible

Networking (e.g. Mikrotik)

Video recording and related systems

Collaboration & Documentation

Collaborate closely with development teams to help them adopt DevOps tools and best

practices.

Mentor developers on how to use CI/CD observability and automation to increase

productivity.

Write and maintain documentation for infrastructure deployments and release

processes.

Propose and implement improvements to stability security and performance based on

data and experience.

Required Qualifications

3 years of experience in a DevOps SRE or similar infrastructure role.

Strong experience with AWS (EC2 load balancing DNS storage managed databases).

Solid experience with Linux administration (preferably Amazon Linux).

Hands-on experience with:

CI/CD pipelines (ideally Azure DevOps)

Infrastructure as Code (Terraform)

Monitoring and logging tools (Prometheus Grafana Loki)

Familiarity with containerization and image registries (Docker ECR).

Good understanding of networking concepts (routing VPNs firewalls VPCs).

Experience administering Nginx MariaDB and/or PostgreSQL in production.

• Experience with Cloudflare (including Workers and advanced caching setups).

Preferred Qualifications

Experience with Ansible or similar configuration management tools.

Previous work in high-traffic or performance-critical environments.

• Strong awareness of security best practices for both cloud and on-premise systems

Soft Skills

Proactive ownership-driven mindset with focus on reliability and improvement.

Ability to explain complex technical concepts to non-DevOps stakeholders.

Experience mentoring or supporting development teams.

Strong documentation and communication skills.

• Desire to stay up-to-date with DevOps cloud and infrastructure trends and tools.

What We Offer

• Yearly performance bonus
• Competitive salary based on experience
• The opportunity to work on high-traffic iGaming and sports platforms.
• Modern tech stack and tools across cloud observability and CI/CD.
• A collaborative product-driven environment with experienced tech teams.

The position is full-time and requires on-site presence in Kallithea Athens Greece.