Senior Engineer DCS (NaaS) for NATO with security clearance

Design, implement, and maintain enterprise LAN infrastructure across offices, campuses, and data center edge environments. Configure, optimize, and troubleshoot switching and campus routing technologies. Deploy and manage Cisco SD-Access fabrics, underlay/overlay networks, segmentation, and policy enforcement. Manage Cisco DNA Center / Catalyst Center for LAN automation, assurance, and lifecycle management. Support access layer services including NAC, 802.1X authentication, port security, and endpoint onboarding. Monitor LAN health using Splunk and other monitoring platforms; create dashboards, alerts, and operational reports. Analyze logs and telemetry data to proactively identify risks, incidents, and performance issues. Develop automation solutions using Python or Ansible to streamline switch provisioning, audits, backups, and standards compliance. Utilize monitoring tools to track switch health, interface utilization, latency, and service availability. Lead incident response for critical LAN outages and restore services within SLA targets. Perform root cause analysis and implement preventive measures to reduce recurring incidents. Serve as senior escalation point for complex LAN issues and strategic initiatives. Mentor junior engineers and share best practices in campus networking and SDAccess operations. Lead LAN projects such as office rollouts, switch refreshes, migrations, and network expansions. Maintain accurate documentation, standards, and operational procedures for the LAN environment.

Minimum CCNP Enterprise (or equivalent advanced certification). 7+ years of hands-on experience in enterprise LAN engineering and operations. Strong expertise in routing and switching including VLANs, STP, HSRP/VRRP, OSPF, and campus design. Proven experience with Cisco SD-Access (SDAccess) including Cisco DNA Center / Catalyst Center, fabric design, policy-based segmentation, and automation. Advanced knowledge of enterprise switching platforms such as Cisco Catalyst, Aruba CX, Juniper EX, or similar. Experience with Splunk for monitoring, log analysis and troubleshooting. Network automation skills using Python or Ansible is a nice to have. Hands-on knowledge of network monitoring tools for device health, availability, and performance. Strong understanding of 802.1X, NAC, and access control technologies (Cisco ISE, ClearPass, or similar). Experience with incident management, root cause analysis, and major outage resolution. Experience mentoring engineers, leading projects, and acting as senior escalation point.