L2 Engineer (Reverse Proxy & Automation) (m/f/d)

We are looking for a Level 2 (L2) Engineer specialized in reverse proxy services (NGINX) and infrastructure automation. The role focuses on ensuring the reliability, performance, and automation of our reverse proxy platform while contributing to a DevOps-driven transformation. You will work in a CI/CD-driven environment, tightly integrated with NetBox (CMDB), Ansible automation, and GitLab pipelines.

Key Responsibilities

Operations & Support (L2)

• Handle incidents, requests, and problem management related to reverse proxy services
• Perform root cause analysis and implement sustainable fixes
• Support L1 teams with clear SOPs and escalation guidance
• Ensure service availability, performance, and security compliance

Reverse Proxy Management

• Configure and operate NGINX-based reverse proxy services
• Implement:
• URL routing and rewriting
• SSL/TLS termination
• Load balancing strategies
• Security controls (headers, filtering, basic WAF logic apache/modsec)
• Troubleshoot:
• HTTP errors (4xx / 5xx)
• Backend connectivity issues
• Performance bottlenecks

Automation & DevOps

• Develop and maintain Ansible playbooks and roles
• Automate:
• NGINX configuration deployment
• Service provisioning and updates
• Integrate automation workflows with:

▪ NetBox (source of truth)

▪ GitLab CI/CD pipelines

▪ Unit tests

• Ensure compliance checks are enforced before deployments

CMDB & Data-Driven Infrastructure

• Use NetBox as the central system of record
• Maintain accurate:
• Service definitions
• Dependencies (consumer/producer model)
• Contribute to data quality and automation consistency

CI/CD & Version Control

• Work with GitLab for:
• Source control
• Merge requests and code reviews
• CI/CD pipelines
• Contribute to:
• Automated testing (linting, validation)
• Release management processes

Required Skills

Core Technical Skills

• 3–7 years’ experience in system/network engineering or DevOps
• Experience in production environments (L2/L3 support)
• Strong interest in automation and service industrialization
• Strong experience with NGINX (reverse proxy):
• Routing, upstreams, SSL, debugging
• Good knowledge of HTTP/HTTPS protocols

Automation & Scripting

• Python (scripting, API interactions, tooling)
• Ansible (playbooks, roles, automation design)

Infrastructure & Tools

• Experience with NetBox (or similar CMDB / source of truth)
• Strong experience with GitLab:
• Git workflows
• CI/CD pipelines

Troubleshooting & Operations

• Solid understanding of:
• Linux systems
• Networking fundamentals (TCP/IP, DNS, TLS)
• Ability to analyze logs and metrics

Nice to Have

Hard Skills

• Experience with:
• Reverse proxy migration (e.g., Bluecoat → NGINX)
• Containerized environments (Docker / Kubernetes)
• WAF technologies (ModSecurity or equivalent)
• Familiarity with:
• ITIL processes (Incident, Problem, Change)
• Monitoring tools (Prometheus, Grafana, Splunk)

Soft Skills

• Strong analytical and problem-solving mindset
• Ability to work in a DevOps culture (automation first)
• Clear communication with L1, L3, and stakeholders
• Ability to document and structure knowledge (SOPs, runbooks)

L2 Engineer (Reverse Proxy & Automation) in Luxembourg, Luxembourg