T3 Operations & Support Specialist – Network & Security

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Interval Group

WebsiteLinkedInAll Job Openings

51 - 200 employees

We are a boutique consulting and recruitment firm, and we specialise in providing expert resources to enable industry-leading organisations to achieve their goals.

📋 Description

• 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

• 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

• Flexible working hours • Freedom to choose your own projects • Access to exciting projects in various industries • Dedicated team support for career advancement