Senior Network Architect

Vor 3 Tagen

Düsseldorf, Deutschland Hays Vollzeit

Über das Unternehmen Energy industry Aufgaben VLAN Discovery, Assessment & Cleanup Strategy Conduct a full assessment of existing VLAN structures across all of the client's locations Identify unused, obsolete, conflicting, or non-compliant VLANs Develop a strategic cleanup and redesign plan that aligns with the client's network architecture standards, segmentation requirements, and resilience objectives Present the cleanup concept and proposed redesign to the client for sign-off prior to execution VLAN Migration Planning & Execution Develop site-specific and global migration plans, including fallback procedures, maintenance windows, and change execution sequences Coordinate with internal teams and external vendors to prepare each site for VLAN transitions Oversee or perform VLAN migrations, ensuring minimal service disruption and adherence to change management processes Present migration results and documentation for each site to the client for sign-off Network Risk Assessment & Mitigation Identify risks associated with VLAN redesign and migrations, including dependencies with firewalls, routing, OT/IT boundaries, and legacy systems Develop mitigation strategies and present all findings, alternatives, and recommended urgent initiatives to the client for review and sign-off Compliance & Information Security Alignment Validate that the new VLAN structure and migration approach comply with the client's information security policies, industry best practices, and audit requirements Provide recommendations to resolve any compliance gaps and present results to stakeholders Documentation & Reporting Maintain detailed, accurate documentation of VLAN structures, cleanup activities, migrations, and dependencies Produce weekly progress reports for senior management Prepare and deliver presentations summarizing status, risks, and next steps Alignment with Network Security Team Proactively support internal stakeholders and with expert-level input on VLAN design, migration strategy, and network segmentation practices Profil VLAN & Network Segmentation: Design, assessment, cleanup, and migration Layer 2/3 Networking: STP, OSPF, BGP, VRRP, inter-VLAN routing Switching & Routing: Multi-vendor (Cisco, Juniper, Aruba) configuration and troubleshooting Network Security: Firewall policies, ACLs, OT/IT segmentation, compliance with security standards Risk & Compliance: ISO 27001, NIST, audit readiness, gap analysis Migration Planning & Execution: Change management, rollback strategies, minimal downtime Documentation & Reporting: Network diagrams, migration plans, executive presentations Stakeholder Communication: Technical and non-technical audiences, vendor coordination Project Management: Multi-site migrations, timeline control Fluent German & English Bonus: SASE/Zero Trust Benefits A very renowned company Dynamic and innovative market environment High degree of personal responsibility

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