Senior Site Reliability Engineer

• Design, operate and evolve the Azure and AKS foundation: networking, ingress/Gateway API (Istio), WAF, DNS, certificates and patching.

• Run GitOps delivery with Argo CD and maintain the CI runner estate.

• Build and maintain Terraform modules, automated testing and validation, and self-service environment provisioning.

Reliability & Observability

• Own logging, metrics and alerting, reduce alert noise and forecast capacity.

• Lead infrastructure incident response and blameless postmortems.

• Take part in the on-call rotation.

Data & Shared Services

• Run managed databases and storage with robust backup/restore, disaster recovery and retention, including migrations and major version upgrades.

• Operate shared middleware such as secret management and job scheduling.

• Run internal engineering and AI services (LLM gateway, review and test-analysis tooling, ephemeral environments), defining contracts and supporting adoption.

Security, Cost & Leadership

• Implement platform security controls and produce audit evidence.

• Drive cloud cost optimisation.

• Lead cross-team technical initiatives, write design proposals and mentor engineers.

• 5+ years in SRE, platform or cloud infrastructure engineering, with production ownership of business-critical SaaS systems.

• Deep hands-on experience with Azure (networking, identity/RBAC, managed services) in production.

• Deep hands-on experience with Kubernetes, ideally AKS, in production.

• Strong Infrastructure as Code skills with Terraform, plus GitOps (Argo CD or similar) and CI/CD pipelines.

• Solid observability practice (Prometheus/Grafana, Elastic/Kibana or similar) and a track record of reducing alert noise and leading incidents.

• Experience operating managed databases (MySQL/PostgreSQL), including backup and DR.

• Strong scripting in Python, Go or Bash.

• Experience implementing security controls in a regulated or audited environment (ISO 27001, SOC 2; GxP a plus).

• Clear written English, sound judgement on trade-offs, and the ability to lead work across teams.

Nice to Have

• Service mesh experience (Istio, Gateway API).

• Temporal, Vault/External Secrets, KEDA or Trino.

• Experience running LLM/AI platforms.

• FinOps experience.

• Life sciences or clinical-trial industry background.

What We Offer - Belgium

• Health Insurance through Alan (100% hospitalisation cover, 80% ambulatory and dental)
• Mobility Budget for eco-transport, housing, or car allowance (flexible 3-pillar system)
• Group Insurance Plan with 6-12% employer pension contribution based on seniority
• Meal Vouchers (€8/day) and Eco Vouchers for sustainable purchases
• A hub-based hybrid model that blends flexibility with purpose - connecting teams through collaboration, learning, and a vibrant social culture.