Requirement Title: Senior Engineer DCS (NaaS)
Location: Braine-l'Alleud, Belgium
Full time on-site: Yes
Not to Exceed: 95 Euro
Total Scope of the request (hours): 1000
Required Start Date: 13 July 2026
End Contract Date: 31 December 2026
Required Security Clearance: NATO Secret
Please do NOT apply for any NATO contract positions unless you meet ALL the following criteria:
- Current National or NATO SECRET clearance
- Nationality of one of the NATO member countries
- Current work visa for the specific location if applying for an in-country position
Specific Working Conditions: Normal Office Conditions; Some work outside of normal office hours may be required; Up to 50 TDY within Belgium per year
Duties and Role:
- 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.
