Operations & Support / Network & Security Spezialist (m/w/d)

Für unseren Kunden suchen wir ab Juli einen Operations & Support / Network & Security Spezialist (m/w/d)

Die Aufgaben umfassen:

• Coordinate with platform/Kubernetes teams to resolve cluster and application impacts caused by network/security constraints.
• Objective: Ensure operational readiness for deployments

Tasks:

• Validation of deployment artifacts from an operations perspective.
• Defining and enforcing quality assurance measures (e.g. required documentation of standard operation procedures, successful test reports, …) to ensure the high quality of delivered products and services.
• Ensuring rollback strategies and operational monitoring (observability) are in place for production deployments.

• Objective: Ensure operational stability and responsiveness for the managed Network & Security

Tasks:

• Monitoring system health, performance metrics, and service availability across multi-tenant environments.
• Identifying, analyzing, and resolving incidents, minimizing service disruption.
• Triggering root cause analysis and implementation of corrective and preventive actions.

• Objective: Reduce operational toil and improve service reliability

Tasks:

• Address recurring operational issues by automating remedial standard operations processes
• Validate all automated procedures following the established software development lifecycle including staging, testing, and validation reviews

• Objective: Ensure platform operations adhere to security and compliance standards

Tasks:

• Implementing monitoring and logging strategies to support audit and compliance requirements.
• Performing routine security scans and remediating identified vulnerabilities.

Skills:

• 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.
• Strong understanding of security fundamentals and operational enforcement in production contexts
• Networking: WAN/LAN, routers, firewalls (enterprise operations) from CISCO, Juniper and Palo Alto
• Network and security software: ACI, APSTRA and Panorama
• Connectivity services: Tenant private networking / connectivity patterns supporting production platforms.
• Fundamental understanding of core operations processes (incident management, change management, problem management, IT Service Management) as well as SRE concepts
• DNS & certificates: DNS operations and certificate lifecycle handling (issuance/renewal/rotation coordination) from Infoblox
• 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).
• 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.
• Proficiency in both speech and writing in English (at least C1).
• Proficiency in both speech and writing in German (at least C1).

Weitere Skills:

• 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.

Projektdauer: Dezember 2026

Ich freue mich auf Ihr Interesse!

Mit freundlichen Grüßen

Julia Barysava

percision services GmbH

Senior IT Recruitment Consultant

Agrippinawerft 26 (2. Etage)

50678 Köln

Mobil: *****

Mail: ***@***.de

Zentrale:

Fon ***** – 555

Mail ***@***.de

Web www.percision.de

percision services GmbH mit Sitz in Dortmund

Geschäftsführer: Peter de Lorenzi

Amtsgericht Dortmund HRB 16420

UST-ID: DE...