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Based in the center of Brussels, IRISnet is a telecom and ICT services provider for the Region of Brussels. As a result of a private-public partnership (PPP) between the Brussels Region and Orange, IRISnet develops, delivers and manages services and regional projects for all its customers among whom: Brussels’s municipalities, hospitals, police and emergency services, Actiris, STIB, Bruxelles Formation, Bruxelles Environnement...


As main asset, IRISnet owns more than 400km optical cables on the Region and has one of the biggest optical fiber footprints on this area. Connecting thousands of sites through different technologies, IRISnet offers many different services to its customers like Connectivity (IP VPN on an MPLS-based core network), Collaboration solutions (VoIP, mobile, convergence features…), Videoprotection, Videoconference, wifi.brussels, managed services (LAN Management…) and so on.

Due to increasing needs for digital services in the Region, IRISnet is growing in terms of turnover, product portfolio and staff, all whilst keeping a rather small size (around 30 employees), which is an asset for fast and agile developments. The combination of its own capabilities and the strong partnerships with the best-in-class actors of the ICT market allow IRISnet to deliver end-to-end, highly competitive and state-of-the-art solutions to its customers.

IRISnet is the ideal environment for those who are into technology and driven to achieve. The company’s core values are built around trust/ownership, client-centricity and partnerships.

IRISnet is managed by CEO Thierry Joachim, and their office is in the center of Brussels.

Responsibilities

• As a network engineer you'll have responsibility for setting up, developing and maintaining our backbone network as well as customer’s network.
• Responsible for providing support to our level 1 support team and troubleshoot any problems that arise.
• Involved in designing new networks/services together with the network architect.
• Ensure the integrity of high availability network infrastructure to provide maximum performance to our customers.
• Complete all information’s related to the issue and/or configuration in the knowledge Database/documentations.
• Excellent knowledge in those environments:
     o Wireless vendors (Cisco, HP, Fortinet)
     o Security products (Fortigate)
     o NAC products (Cisco ISE, HP Clearpass, FortiNac,…)
     o Switching vendors (Cisco, FortiSwitch, HP H3C/Aruba)
     o Deep knowledge in TCP/IP, LAN (Vlan, Dot1q, Spanning-Tree, LACP, HSRP/VRRP, NAC, Radius, Layer 2 security features) 
     o Good knowledge in MPLS, BGP, OSPF, QOS, EVC (Ethernet Virtual Circuit), Bridge-Domain
     o Automatization and scripting (PERL, PYTHON, Ansible, XML, Json, …) 

• Participate into presales meetings with the customers to understand the business needs and transform them into network design
• Validate quotes from the sales department of Irisnet on their technical aspects and adequation to the customers’ needs
• Give support to the other IRISnet competence centers (ucc / voice / IT) on network related questions

Relationships:
• Reports to the LAN Competence Center Team Leader
• Builds strong team relationships with CC Teams :(W)LAN/UCC/Video & IoT)
• Enable to challenge the vendors/partners

THE CANDIDATE PROFILE

  • Enable to challenge the vendors/partners
  • High "core" networking skills (routing, switching, MPLS)
  • Expertise of network Architecture LAN/WAN
  • Cisco, Fortinet, HPe or other relevant technical certification is an asset
  • Good knowledge in one or more of the following areas: Unified communication/VOIP, Call Center, firewalling
  • Fluent Dutch and French speaker (essential), knowledge of English
  • Eager to learn. Technical aptitude to assimilate new learning quickly (essential)
  • Enjoys sharing knowledge.
  • Flexible: very able to adapt to a changing environment (essential)
  • Out-of-the-box thinker (essential)
  • Able to take initiative and drive change (essential)
  • Performs well under pressure and in disruptive environments where priorities can change in response to customer demand
  • Manages customer expectations and always aims to leave the customers feeling valued and overall positive about IRISnet.

The successful candidate should be:

  • Autonomous, self-motivated, engaged and organized, ready to take ownership, set priorities and work towards deliverables.
  • Customer focused, listen actively to various parties and takes responsibility for customer issues.
  • Team player who works well with colleagues from various departments, can value the team and the advantages it brings, motivates others for his/her projects and maintains good communication with his management and colleagues so that no opportunities are lost.
  • Entrepreneur who is curious, energetic and flexible in adapting quickly to change. He/she takes initiatives, identifies business opportunities and can propose out-of-the-box solutions

OPPORTUNITY

For the right candidate this position offers attractive financial conditions as well as the opportunity to grow and develop within an organization that’s ideal for those who are into technology and driven to achieve. The Network Engineer LAN reports to LAN Competence Center Team Leader and will work from the company’s Brussels office and the customer premises

 

Function

We are seeking a Network LAN Engineer to assist in the design, implementation, and maintenance of our customers LAN infrastructure. The ideal candidate will have solid experience in networking technologies, including switching, wireless, security, and automation. This role requires troubleshooting abilities, hands-on configuration experience, and a willingness to grow within a dynamic environment. Additionally, the candidate must be able to communicate effectively with customers to assess their requirements and provide the best possible LAN design.

Responsabilities

1. Presales

    • Participate to presales meetings with the customers to understand the business needs and transform them into network design
    • Make network design for simple and complex wirg
    • Involve in designing new networks/services together with the network architect.
    • Validate quotes from the sales department of Irisnet on their technical aspects and adequation to the customers’ needs


2. Implementation

    • Deploy and configure LAN infrastructure, including switches and access points.
    • Adjust router and Firewall settings to ensure seamless integration with the LAN network.
    • Set up equipment in the monitoring system to enable network visibility and performance tracking.
    • Document configurations, changes, and network setups.

3. Support & Collaboration 

    • Provide consultancy services to clients
    • Responsible for providing support level 3 to our level 2 support team and troubleshoot any problems that arise.
    • Work with cross-functional teams to support network requirements for applications and other IRISnet services ( UC, video & IOT, WAN)
    • Complete all information’s related to the issue and/or configuration in the knowledge database/documentations.

4. Operation

    • Monitor LAN performance, troubleshoot network issues, and apply necessary fixes.
    • Perform regular network maintenance, including firmware updates and patch management.
    • Maintain network documentation, including topology diagrams and device configurations.
    • Manage the full hardware and software lifecycle of LAN devices
    • Recommend and test new software releases and contribute to new hardware selection
    • Optimize monitoring of the customer LAN network
    • Optimize LAN monitoring systems to guarantee proactive issue detection and network performance assurance

 

Candidate profile

The ideal candidate has the following profile:

  • Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
  • 3-5 years of experience in LAN engineering or network administration.
  • Fluent Dutch and French speaker (essential), knowledge of English
  • Eager to learn. Technical aptitude to assimilate new learning quickly (essential)
  • Enjoys sharing knowledge.
  • Flexible: very able to adapt to a changing environment (essential)
  • Out-of-the-box thinker (essential)
  • Able to take initiative and drive change (essential)
  • Performs well under pressure and in disruptive environments where priorities can change in response to customer demand
  • Manages customer expectations and always aims to leave the customers feeling valued and overall positive about IRISnet.

Required Qualifications & Skills (Mandatory):

  • Wireless Networking: Experience with at least one vendor (Cisco, HP, or Fortinet wireless solutions).
  • Network Access Control (NAC): Familiarity with Cisco ISE, HP ClearPass, or FortiNAC.
  • Switching & LAN Technologies: Good understanding of VLAN, Dot1Q, Spanning Tree, LACP, HSRP/VRRP, NAC, and Layer 2 security features.
  • Routing Protocols: Basic to intermediate experience with MPLS, BGP, OSPF, QoS, and Ethernet Virtual Circuit (EVC).
  • Security: Exposure to Fortigate firewalls or similar security solutions.
  • Troubleshooting & Monitoring: Ability to diagnose and resolve common LAN issues.

Preferred Qualifications & Skills (Nice-to-Have):

  • Experience with multiple wireless vendors.
  • Broader knowledge of NAC solutions.
  • Basic automation skills (Python, Ansible, XML, JSON).
  • Certifications such as CCNA, HCIA, NSE, or equivalent.


The successful candidate should be:

  • Autonomous, self-motivated, engaged and organized, ready to take ownership, set priorities and work towards deliverables.
  • Customer focused, listen actively to various parties and takes responsibility for customer issues.
  • Team player who works well with colleagues from various departments, can value the team and the advantages it brings, motivates others for his/her projects and maintains good communication with his management and colleagues so that no opportunities are lost.
  • Entrepreneur who is curious, energetic and flexible in adapting quickly to change. He/she takes initiatives, identifies business opportunities and can propose out-of-the-box solutions.
Opportunity

For the right candidate this position offers attractive financial conditions as well as the opportunity to grow and develop within an organization that’s ideal for those who are into technology and driven to achieve. The Network Engineer LAN reports to LAN Manage Services Team Leader and will work from the company’s Brussels office and the customer premises.

Bent u de juiste kandidaat voor deze functie?

Solliciteer en stuur uw CV naar jobs@irisnet.brussels