[5836] Senior DevOps / Cloud Engineer

Location: Luxembourg, On-site
Contract type: Contractor (Freelance)
Length of contract: 2 years

REQUIRED SKILLS & QUALIFICATIONS

Education:
• Bachelor’s degree in Information Technology, Computer Science or related field
(EQF Level 6)

Languages:
• English: Minimum C1 level
• French: Minimum B2 level

EXPERIENCE
• Minimum 8 years of relevant IT professional experience
• Strong experience in Cloud Architecture (AWS, Azure, GCP)
• DevOps / CI/CD / Infrastructure as Code
• System integration and API design
• Legacy modernization and migration strategies
• Oracle and PostgreSQL databases
• Distributed and event-driven architectures

Certifications:
• At least one Microsoft Azure Expert-level certification
• Microsoft Certified: Designing and Implementing Microsoft DevOps Solutions
• AWS Certified Cloud Practitioner (or equivalent hyperscaler certification)

Technical Competencies:
• Cloud Platforms: AWS / Azure / GCP
• DevOps: CI/CD pipelines, GitLab, Infrastructure as Code
• Containers: Docker
• APIs: REST, OpenAPI, GraphQL
• Messaging: Kafka / Azure Service Bus
• Databases: Oracle, PostgreSQL
• Monitoring: ELK Stack, OpenTelemetry
• Security: OWASP, Secrets Management
• Architecture: Vendor-agnostic cloud design

Methodologies:
• Agile / Scrum
• DevSecOps
• Event-driven architecture
• Infrastructure as Code practices

TASKS AND RESPONSIBILITIES

Cloud Platforms & Modernization
• Contribute to reliability and resilience of cloud platforms
• Modernize legacy applications hosted in data centres and cloud environments
• Design solutions on AWS, Azure, and/or Google Cloud Platform
• Develop vendor-agnostic cloud architectures
• Implement monitoring using ELK, CloudWatch, OpenTelemetry or equivalent tools

Architecture & Integration
• Design software architecture and integration strategies
• Implement integration patterns (event-driven, publish/subscribe, request-reply)
• Ensure interoperability via OpenAPI / Swagger standards
• Implement middleware solutions
• Apply high availability, fault tolerance, retry mechanisms and circuit breaker patterns
• Containerize applications using Docker in cloud-agnostic environments

CI/CD & Infrastructure as Code
• Design and integrate CI/CD pipelines
• Automate infrastructure using Terraform, Bicep or equivalent
• Promote DevOps and DevSecOps best practices
• Manage Git repositories and GitLab workflows
• Collaborate closely with operations teams (OP DIGIT)

API & Event-Driven Systems
• Design and develop REST and GraphQL APIs
• Define API versioning strategies
• Integrate distributed event systems (Kafka / Azure Service Bus)
• Manage schema evolution and asynchronous integrations

Database & Migration
• Work with Oracle and PostgreSQL databases
• Design and execute database migration strategies
• Optimize database performance and ensure high availability
• Develop advanced SQL queries and use database management tools

Security & Compliance
• Secure applications according to OWASP standards
• Implement secrets and credential management solutions
• Ensure licensing and compliance constraints are respected

Documentation & Communication
• Document architecture and integration plans clearly
• Provide knowledge transfer to internal teams
• Communicate complex technical concepts effectively to stakeholders