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T3 Operations & Support Specialist – Network & Security
Interval GroupT3 Operations & Support Specialist handling Network & Security for a cloud-native platform in Germany. Resolving complex incidents and ensuring operational readiness across multi-tenant environments.
Tech Stack
Tools & technologiesCloudDNSFirewallsGrafanaITSMKubernetesPrometheus
About the role
Key responsibilities & impact- Providing T3 operational ownership for Network & Security services: resolving complex incidents, driving RCA and remediation across the full network/security stack
- Ensuring operational readiness for network/security changes: monitoring/alerting, validation steps, rollback strategies, runbooks and maintenance procedures
- Supporting compliance-relevant operational controls (logging/monitoring evidence, access enforcement patterns, vulnerability handling coordination)
- Coordinating with platform and Kubernetes teams to resolve cluster and application impacts caused by network/security constraints
- Executing and improving standard operational procedures through automation to reduce toil and improve MTTR and stability
- Monitoring system health, performance metrics and service availability across multi-tenant environments
- Identifying, analysing and resolving incidents to minimise service disruption, and triggering RCA and corrective actions
- Implementing monitoring and logging strategies to support audit and compliance requirements
- Performing routine security scans and remediating identified vulnerabilities
Requirements
What you’ll need- 5+ years operating enterprise networks in private cloud or data centre production environments
- Proven experience implementing and leading Incident, Problem, Change and Release governance in production
- Proven incident response and troubleshooting skills across routing, firewalling, connectivity and service exposure patterns
- Strong understanding of security fundamentals and operational enforcement in production contexts
- Networking: WAN/LAN, routers and firewalls (enterprise operations) from Cisco, Juniper and Palo Alto
- Network and security software: ACI, APSTRA and Panorama
- Connectivity services: tenant private networking and connectivity patterns supporting production platforms
- DNS and certificates: DNS operations and certificate lifecycle handling (issuance, renewal, rotation coordination) via Infoblox
- ITSM tooling: Jira Service Management, Jira, Confluence
- Fundamental understanding of core operations processes (Incident, Change, Problem management, ITSM) and SRE concepts
- Experience gathering operational insights from monitoring/observability including SLI/SLA/SLO management and tracking
- Hands-on experience documenting procedures and enforcing clear runbooks and playbooks
- Hands-on experience with monitoring and logging tools (e.g. Prometheus, Grafana, Datadog, Mimir, Loki)
- Understanding of modern platform operations (Kubernetes/containers, automation, observability) sufficient to govern specialists
- Fluent English and German (C1 minimum in both)
Benefits
Comp & perks- Flexible working hours
- Freedom to choose your own projects
- Access to exciting projects in various industries
- Dedicated team support for career advancement
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
incident responsetroubleshootingnetworkingsecurity fundamentalsmonitoringloggingautomationobservabilityDNS operationscertificate lifecycle handling
Soft Skills
operational ownershipproblem-solvingcommunicationcollaborationleadership