Freelance Network Engineer | Junior Noc Engineer

Vos missions Great assignments await you with our key account clients in rich and varied environmentsFor one of our clients, a major organization operating in a critical infrastructure environment, we are looking for an IT Senior Network Engineer to support the implementation of network segregation initiatives and maintain a modern, secure and resilient LAN infrastructure.
The consultant will work in a hybrid setup, with regular onsite presence in Brussels and, when required, on production sites in Wallonia. The mission is long-term and involves both operational network engineering and project-based activities in a complex IT/OT environment. The IT Senior Network Engineer will contribute to the maintenance, evolution and security of the client’s network infrastructure, with a strong focus on LAN, network segregation, OT resilience and monitoring.
Main responsibilities include:Maintaining and updating the Extreme Networks infrastructure.
Following up security tickets and CVEs related to LAN components, including switches, Wi-Fi, NAC and related network equipment.
Providing second-line support to users and technical teams.
Configuring and programming Extreme switches.
Supporting the DRP project through the design and implementation of Extreme network equipment.
Performing physical data center maintenance activities, including rack-related tasks.
Configuring, testing, implementing and improving monitoring through SolarWinds, including alarms and dashboards.
Supporting OT security monitoring by configuring Nozomi-related network requirements, including mirror ports on Extreme switches.
Working with Extreme XIQ.
Supporting network resilience initiatives in OT environments.
Fine-tuning existing network implementations.
Documenting new requests, existing infrastructure, changes and technical decisions.
Ensuring compliance with GDPR, ISO and NIS2 requirements throughout the mission. You have the following skillsRequired technical

skills:
Strong experience as a Senior Network Engineer in complex LAN environments.
Advanced knowledge of Cisco Routing & Switching.
Expert knowledge of DNS and DHCP.
Strong hands-on experience with Extreme Networks technologies, especially:Extreme OSExtreme NACExtreme XIQStrong knowledge of routing protocols.
Strong understanding of network segregation and network security principles.
Good knowledge of LACP, MLAG and mirror port configuration.
Experience with Palo Alto firewalls, Panorama and PAN-OS.
Experience with SolarWinds IPAM, monitoring, alarms and dashboards.
Experience or strong understanding of OT networking environments.
Knowledge of Nozomi for OT networking is a strong asset.
Experience with industrial networks, SCADA or critical infrastructure environments is a strong plus.
Ability to produce and maintain clear technical documentation.
Understanding of ISO, NIS2 and security requirements for essential service operators.
Languages:French: full professional proficiency.
Dutch: full professional proficiency.
English: full professional proficiency.
Soft

skills:
Autonomous and hands-on mindset.
Strong troubleshooting and analytical skills.
Ability to work in critical and regulated environments.
Good communication skills with technical and non-technical stakeholders.
Structured approach to documentation, change management and security compliance.

Votre profil
You have at least 7 years of professional experiences in ITIf you are at least fluent in FR/ENG or NL/ENG it’s bestYou’re eager to learn, motivated and curiousLet’s have a chat Advantages Hospitalization insurance (partner/children incl.)Group insuranceDental insurance (partner/children included)20 days statutory paid vacations (legal vacations cumulated for 1 year of work)11 days recovery time work 38/40 per year (= annual average: 1 day per 20 days worked) if the client asks you to work 8h/dayRepresentation fee net per month.
Internet fee of € 40 per month.
Company car with national fuel card OR Public transport reimbursed OR mobility package.
Daily fee of 5.50€ net /day provided.
Subscription GSM unlimited calls for Belgium (ITS subscription)Training plan (e-learning
- certification at ITS charge)Extra advantages:Being a rather small team in BE (6 in back-office), we’re very close to each of our consultants and we differentiate ourselves trying to really take care of you and make you grow with us and within our different clients.
Regular follow-up (every 3 to 6months depending on your needs/will)Regular teambuilding to meet-up and have fun (every 3 months more or less)Flexibility and trustBenefits of still being part to a bigger group (ITS Group) and having access to resources and of a larger team of ExpertsCo-optation system because sharing is caring Processus de recrutement 1st pre-screening on the phone to discuss about your search and conditions and our first potential opportunities matching.

Job description
s sent and Teams meeting fixed with us (HR and Sales) to dig into your experience and the role.
Package proposal so we all agree beforehand.
Your CV is sen