• Deadline Date: Thursday 24 July 2025 • Location: Braine-l'Alleud, BELGIUM • Required Start Date: 1 September 2025 Deadline Date: Thursday 24 July 2025 Requirement: Senior Technician (Digital Communication Services) Location: Braine-l'Alleud, BELGIUM Full Time On-Site: Yes Time On-Site: 100% Not to Exceed: 54 EUR Total Scope of the request (hours): 418 Required Start Date: 1 September 2025 Required Security Clearance: NATO COSMIC TOP SECRET Please do NOT apply for any NATO contract positions unless you meet ALL the following criteria: Current National or NATO SECRET clearanceNationality of one of the NATO member countriesCurrent work visa for the specific location if applying for an in-country position Any applications that do NOT meet all the above – and do not CLEARLY show these on the CV - will be deleted. Duties and Role: A Digital Communications Services Senior Technician supports the implementation, and maintaining of the core network architecture that connects different devices and platforms. They ensure that all systems are operating efficiently and securely, and that they are aligned with the organization overall goals and objectives. He/she are configuring, troubleshooting and optimizing routers, switches, firewalls, and other hardware/software networking elements to optimize network performance and ensure data integrity and security. This role requires a deep understanding of network architecture. This role requires expertise in network architecture, cloud computing, cybersecurity, and data management. A Communications Services Senior Technician works closely with other IT professionals to ensure that the organization's digital infrastructure is optimized for performance and efficiency. Additional duties for this post: Be responsible for implementing, and maintaining network routing infrastructure. Their duties typically include: • Network Design & Implementation – Plan, configure, and deploy routing protocols (e.g., OSPF, BGP, IS-IS). • LA/WAN Optimization – Optimize routing tables and traffic flow for performance and redundancy. • Troubleshooting & Support – Diagnose and resolve routing issues, including latency, congestion, and failures. • Security & Compliance – Implement route filtering, prefix lists, and security policies to prevent unauthorized access. • Capacity Planning – Monitor network usage and plan for scalability and growth. • Documentation & Reporting – Maintain network diagrams, change logs, and incident reports. • Collaboration – Work with other teams (e.g., security, data centre, cloud) to ensure seamless connectivity. • Software & Firmware Management – Upgrade and patch routers to maintain security and stability. • Testing & Lab Work – Conduct network simulations and testing before deploying changes. • On-Call Support – Be available on a rotating basis for after-hours network incidents and escalations. • Enterprise Security Operations Center Rotation – Take assigned shifts in the ESOC to monitor and manage network operations in real-time. Requirements: Skill, Knowledge & Experience: • The candidate must have a currently active NATO COSMIC TOP SECRET security clearance • Experience with the designing, implementing, and maintaining the core network architecture for large organizations. • Practical experience configuring, troubleshooting and optimizing routers, switches, firewalls, and other hardware/software networking elements. • Good communication and interpersonal skills. • Good analytical skills and problem-solving attitude. • Practical experience with the designing, implementing, and maintaining the core network architecture for large organizations. • Good practical experience configuring, troubleshooting and optimizing routers, switches, firewalls, and other hardware/software networking elements. • Good communication and interpersonal skills. • Good analytical skills and problem-solving attitude. Knowledge and experience of the following domains: • Routing and Protocol Expertise: Proficiency in dynamic routing protocols (OSPF, BGP, IS-IS) and traffic engineering techniques, with a strong foundation in IPv4/IPv6 networking. MPLS, IPv6, Segment Routing, QoS. • SD-WAN and Network Virtualization: Hands-on experience deploying, managing, and optimizing SD-WAN solutions for modern enterprise environments. Software Defined (SDx) (e.g. SDN, SD-WAN, SDDC, SASE) Network Functions Virtualization (NFV) • Troubleshooting and Automation: Advanced troubleshooting skills combined with knowledge of network automation tools (e.g., Python, Ansible) for efficient configuration and monitoring. • Prior experience of working in an international environment comprising both military and civilian elements • Knowledge of NATO responsibilities and organization, including ACO and ACT. • Cisco or other network manufacturer certifications are welcome.