Senior DevOps Engineer

Qualco Group; Kentucky; On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Competitive compensation

Ticket restaurant card

Annual bonus program

Modern facilities

Private health insurance

Hybrid working model

Home equipment benefits

Onsite gym

Career development tools

Job summary

Quento Technologies S.A., part of Qualco Group, seeks a Senior DevOps Engineer to design and operate cloud-native infrastructure on Microsoft Azure. You will manage AKS clusters, build CI/CD pipelines with Azure DevOps and ArgoCD, and implement Istio, container images, and secure infrastructure.

This role emphasizes security, observability, and regulatory compliance, with Azure Monitor, Defender, Key Vault, and scalable platforms.

Qualifications

• University degree in Computer Science, Engineering, or related field.

Responsibilities

• Manage AKS clusters in production with namespaces, tuning, and autoscaling.

Skills

Cloud-native mindset

Agile environment

Team collaboration

Education

Bachelor's degree in Computer Science or Engineering

Tools

AKS

Azure DevOps

ArgoCD

Docker

Azure Container Registry

Istio

Azure Monitor

Application Insights

Azure Key Vault

Azure Networking

Job description

At Quento Technologies S.A., the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento Technologies S.A. we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies S.A. seeks a highly motivated and experienced Senior DevOps Engineer to design, operate, and continuously improve our cloud-native infrastructure on Microsoft Azure. You will support Kubernetes-based platforms, CI/CD pipelines, security, and observability, enabling reliable and scalable application delivery.

Your responsibilities will entail:

• Manage and operateAzure Kubernetes Service (AKS)clusters, including namespaces, resource tuning, and autoscaling;
• Design and maintainCI/CD pipelinesusingAzure DevOps (YAML)andArgoCD;
• Build and manage container images usingDocker multi-stage buildsandAzure Container Registry;
• Implement and operateIstio Service Mesh, including mTLS, traffic routing, and JWT policies;
• Manage Azure infrastructure components such asApplication Gateway, API Management, Cosmos DB, PostgreSQL, Redis, Event Hubs, and Blob Storage;
• Implement networking and security best practices (VNets, subnets, private endpoints, firewalls);
• Manage secrets, keys, and certificates usingAzure Key Vault;
• Monitor and troubleshoot systems usingAzure MonitorandApplication Insights;
• Ensure container and storage security usingMicrosoft Defender;
• Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.

• University degree in Computer Science, Engineering, or a related field;
• Hands-on experience managingAKSin production environments;
• Strong knowledge ofKubernetes concepts(deployments, services, HPA, rolling updates);
• Proven experience withAzure DevOps CI/CD pipelinesand GitOps practices;
• Experience withIstioconfiguration and service mesh architectures;
• Solid understanding ofAzure networking and security(VNet, private endpoints, WAF, firewalls);
• Experience withAzure Key Vaultfor secrets and certificate management;
• Strong troubleshooting and operational skills in cloud-native environments;
• Experience working in an Agile environment;

Nice to Have

• Experience withImperva WAFand advanced API security setups;
• Deep knowledge ofAzure API Management;
• Microsoft Certified DevOps Engineer Expert AZ‑400;
• Experience supporting microservice platforms with high availability requirements;
• Familiarity with compliance, security hardening, and zero-trust architectures;
• Experience collaborating closely with backend engineering teams.

Your Life @ QualcoGroup

On top of challenging work environment, we are offering:

• Competitive compensation, ticket restaurant card, and annual bonus programs
• Cutting-edge IT equipment, mobile and data plan
• Modern facilities, free coffee and beverages, indoor parking, and company bus
• Private health insurance, onsite occupational doctor, and workplace counselor
• Flexible working model, hybrid benefits & home equipment benefits
• Onsite gym, wellness facilities, and ping pong room
• Career and talent development tools
• Mentoring, coaching, personalized annual learning and development plan
• Employee referral bonus, regular wellbeing, ESG and volunteering activities

Your race, gender identity and expression, age ethnicity or disability make no difference in Quento Technologies S.A. We want to attract, develop, promote, and retain the best people based only on their ability and behavior.

Disclaimer: Quento Technologies S.A. collects and processes personal data in accordance with the EU General Data Protection Regulation (GDPR). We are bound to use the information provided within your job application for recruitment purposes only and not to share these with any third parties. For more details on the processing of your personal data during the Recruitment procedure, please be informed in Recruitment Notice, before the submission of your application.