Operations Specialist Network & Security

Stellenbeschreibung For our client we are looking for an Operations Specialist (f/m/d) Network & Security.   Start: 04.05.2026 Duration: 31.12.2026++ Capacity: 100% Location: 75% Remote, 25% Frankfurt or Berlin (1 week Frankfurt / 3 weeks remote in rotation), up to 50% onsite in peak times Language: English is a must, German is a must (both C1)   Local Operations manages the on-premises production platform, which serves as the primary host for all mission-critical business applications. Local operations are responsible for the following core areas: - Platform Stability: Ensuring the high availability and performance of the on-premises private cloud environment. - Application Hosting: Consulting on the seamless operation of Germany-specific productive business applications. - Incident Management: Resolving technical issues within standard business hours to minimize operational downtime. - Lifecycle Maintenance: Executing routine updates, patches, and system optimizations within the local infrastructure.   Objectives: - Provide Tier-3 operational ownership for Network & Security services for Local Production (DE). - Ensure operational readiness for deployments - Ensure operational stability and responsiveness for the managed Network & Security - Reduce operational toil and improve service reliability - Ensure platform operations adhere to security and compliance standards   Skills (must-have): - 5+ years operating enterprise networks in private cloud / data center production. - Proven experience implementing/leading Incident, Problem, Change, Release governance in production. - Proven incident response and troubleshooting skills across routing, firewalling, connectivity, and service exposure patterns. - Experience within the field of security fundamentals and operational enforcement in production contexts - Experience in Networking: WAN/LAN, routers, firewalls (enterprise operations). - Connectivity services: Tenant private networking / connectivity patterns supporting production platforms. - Expertise and fundamental understanding of core operations processes (incident management, change management, problem management, IT Service Management) as well as SRE concepts - Experience in DNS & certificates: DNS operations and certificate lifecycle handling (issuance/renewal/rotation coordination). - ITSM tooling: Jira Service Management (JSM), Jira, Confluence (for workflow and documentation). - Experience in gathering operational insights from monitoring or observability including SLI/SLA/SLO management and tracking. - Hand-on experience in documenting procedures properly and enforcing clear runbooks or playbooks. - Observability Hands-on experience with monitoring and logging tools (e.g., Prometheus, Grafana, Datadog, Mimir, Loki). - Familiarity with enterprise DevOps toolchains is a plus (GitLab, JFrog Artifactory, Backstage, Harness). - Strong understanding of modern platform operations (Kubernetes/containers, automation, observability), sufficient to govern specialists. - Platform delivery concepts: GitOps and IaC awareness (Terraform/OpenTofu, ArgoCD, Helm) to govern deployment/readiness standards. - Expertise in root cause analytics and troubleshooting   Skills (should-have): - Experience operating in regulated / high-availability industries (banking, telco, public sector, healthcare). - Experience with enterprise ITSM and change governance in regulated environments. - Experience with SRE practices (SLOs/SLIs, error budgets) and reliability management. - IaC/GitOps: Terraform/OpenTofu; Helm/ArgoCD familiarity helpful when network/security configuration is deployed via pipelines.