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Contact One Communications, Inc.

3483 Principal Technician

On site

Braine-l’alleud, Belgium

Senior

Freelance

04-02-2026

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Skills

Communication Splunk Problem-solving Networking Training Architecture Network Architecture Databases Analytical Skills Azure AWS GCP

Job Specifications

Required Security Clearance: NATO SECRET

DUTIES AND ROLE

Systems design

Designs large or complex systems and undertakes impact analysis on major design options and trade-offs.
Ensures that the system design balances functional and non-functional requirements.
Reviews systems design and ensures that appropriate methods, tools and techniques are applied effectively.
Makes recommendations and assesses and manages associated risks.
Adopts and adapts system design methods, tools and techniques.
Contributes to development of system design policies, standards and selection of architecture components.

Network design

Produces, or approves network providers', network architectures, topologies and configuration databases for own area of responsibility.
Specifies design parameters for network connectivity, capacity, speed, interfacing, security and access, in line with business requirements.
Assesses network-related risks and specifies recovery routines and contingency procedures.
Creates multiple design views to address the different stakeholders' concerns and to handle both functional and non-functional requirements.

Systems integration and build

Plans and drives activities to develop organizational systems integration and build capabilities including automation and continuous integration.
Identifies, evaluates and manages the adoption of tools, techniques and processes to create a robust integration framework.
Provides authoritative advice and guidance on any aspect of systems integration.
Leads integration work in line with the agreed system and service design.
Assesses risks and takes preventative action.
Measures and monitors applications of standards.
Contributes to the development of organizational policies, standards, and guidelines for systems integration.

Network support

Drafts and maintains procedures and documentation for network support and operation.
Makes a significant contribution to the investigation, diagnosis and resolution of network problems.
Ensures that all requests for support are dealt with according to set standards and procedures.

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 LAN and WLAN networks.
QoS Optimization - Configure and enhance Quality of Service in LAN and Wireless LAN networks.
Troubleshooting & Support - Diagnose and resolve LAN 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 center 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 (ESOC) - Take assigned shifts in the ESOC to monitor and manage network operations in real-time.

SKILL, KNOWLEDGE & EXPERIENCE

The candidate must have a currently active NATO SECRET security clearance.
A minimum requirement of a Bachelor's degree at a nationally recognized/certified University in a related discipline and 2 years post-related experience.
Or exceptionally, the lack of a university degree may be compensated by the demonstration of a candidate's particular abilities or experience that is/are of interest to NCIA, that is, at least 6 years extensive and progressive expertise in duties related to the function of the post.
At least 3 years practical experience with the designing, implementing, and maintaining the core network architecture for large organizations.
Relevant practical experience configuring, troubleshooting and optimizing Wireless LAN Controllers, Routers, Switches, and other hardware/software networking elements.
Ability to stay updated with emerging technologies.
Very good communication and interpersonal skills.
Strong analytical skills and problem-solving attitude.
Experience in leading small teams.

Education, Experience and Training (Desirable):

Knowledge and experience of Network Local Area Network, and Network Wireless Communications.
Knowledge and experience in applying ITIL principles and methodologies applied to effective Service Management and Control.
Experience with centralized management systems, e.g., DX NetOps Spectrum, Cisco Catalyst Center, Splunk and/or Cisco ISE.
Public cloud experience and CSP certifications from Azure, AWS, GCP, Meraki technologies.
Prior experience of working in an international environment comprising both military and civilian elements.
Knowledge of NATO responsi

About the Company

Contact One Communications, Inc. is a worldwide systems integration company providing leading edge Information Technology services including Engineering and Installation (E&I), Operations and Maintenance (O&M) and Force Protection in the fields of Cyber Security and Information Assurance, Perimeter Security and Telecommunications Infrastructure. We are a "go to" organization for rapid response requirements in support of expeditionary missions. We work on US Department of Defense (DoD), North Atlantic Treaty Organization (NA... Know more