Senior infrastructure engineer (m/f/d)

Every great career begins somewhere, and this one starts here. We are a team that believes in big ideas, bold moves, and the people behind them. This is where you could be part of something exciting!
Onventis has been a cloud pioneer for digital transformation of purchasing and finance processes since 2000. The cloud-based software Onventis Buyer is an all-in-one procurement system that helps companies manage their business spending to achieve financial control, efficiency, compliance, and cost savings.

Why This Role Matters

In this role, you will directly shape the functionality, performance, and scalability of our products from an operational perspective. From day one, your contribution will solve operational challenges for our customers and teams.

Your Role at a Glance

As a Senior DevOps Engineer, you will help us modernize and scale our infrastructure as we transition services from on-prem to Microsoft Azure. You'll design and build reliable, secure, and cost-efficient platforms.

• Cloud Migrations: Plan and execute the migration of workloads from on-prem to Azure with minimal downtime and clear roll-out plans.
• Design Reliable Platforms: Build highly available, scalable infrastructure leveraging Azure services (e.g., AKS, VMs, Storage, Vault, Azure, SQL,and many more).
• Infrastructure as Code: Implement and maintain a Cusing Terraform/Bicep; enforce modular design, state management, and policy guardrails.
• CI/CD & Release Engineering: Own and optimize build/test/deploy pipelines (Octopus, Azure DevOps/GitHub Actions)
• Observability & SRE Practices: Define and shape the future logging & monitoring platform for product related services. Improve telemetry (logs/metrics/traces) and reduce toil via automation.
• Security & Compliance: Implement identity & secrets management platform for secret rotation & secret management.
• Operational Excellence: Improve backup/restore, DR/BCP, capacity planning, run books, and patching strategies.
• Mentoring & Enablement: Coach engineers on DevOps/SRE fundamentals; contribute to standards, reusable templates, and internal documentation.

Your Experience and Skills

Required Qualifications

• 6–10+ yearsin DevOps/SRE/Platform Engineering roles with production ownership.
• Cloud expertise across compute, service migration, storage, identity, security, and governance with a strong focus on Kubernetes Platform for Orchestration. Experience with Azure Cloud & AWS cloud is a strong plus.
• IaC mastery: Terraform (preferred) or Bicep; modules, workspaces, remote state, and policy integration.
• CI/CD: Azure DevOps and/or GitHub Actions for multistage deployments, environment strategies, and approvals.
• Containers & Orchestration: K8s and AKS (cluster design, node pools, autoscaling, ingress, service mesh, Kongand Helm).
• Observability: Experience with Azure Monitor, Log Analytics, Application Insights, Prometheus/Grafana, or Open Telemetry.
• Coding, Scripting & Automation: Strong in Power Shelland/or Python; Experience with.net/ C# family and bash familiarity.
• Networking: Solid grasp of VNETs, subnets, peering, routing, load balancing, private endpoints, DNS, and hybrid connectivity (VPN/ExpressRoute)
• Security-first mindset: IAM, RBAC, least privilege, secrets management, image scanning, patching, and vulnerability remediation.
• Windows Server Application Stack: Basic experience with Windows Server Application stack favorable

Optional

• Proven on-prem experience (VMware + NetApp storage, firewalls, AD/DNS, backup)

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