T3 Operations & Support Specialist — Network & Security (PID9067)

This is a remote position.

T3 Operations & Support Specialist — Network & Security (PID9067)

• Contract / Freelance
  
• Full-time
  
• Remote with travel readiness required (Germany)
  
• Start: ASAP
  

About the role

We are working with a long-standing anchor client to source a T3 Operations & Support Specialist (Network & Security) for a large-scale cloud-native platform programme supporting a major energy transmission operator in Germany. The platform is a service-oriented hybrid cloud environment providing application teams with self-service capabilities to develop, run and operate software products across private and public cloud infrastructure.

In this role you will provide Tier-3 operational ownership for Network & Security services within Local Production (DE), resolving complex connectivity and security incidents, driving RCA and remediation across the network/security stack, and ensuring operational readiness for all network and security changes.

What you'll be doing

• 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)
  

Desirable

• Experience operating in regulated or 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
  
• Familiarity with enterprise DevOps toolchains (GitLab, JFrog Artifactory, Backstage, Harness)
  
• IaC/GitOps: Terraform/OpenTofu, Helm/ArgoCD
  

Benefits