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Network & Network Security Engineer (NOC Team) 📍 Brussels, Belgium | 🏛️ European Institution | Hybrid Working We are currently looking for an experienced Network & Network Security Engineer to join the NOC (Network Operations Center) team of a major European governmental institution in Brussels. This position combines both Network Engineering and Network Security Engineering responsibilities within a large-scale international enterprise environment connecting headquarters, data centers, and worldwide delegations. 🔎 Your Role You will be responsible for ensuring the availability, security, and performance of critical network infrastructure across multiple international sites. Your responsibilities include: • Monitoring and managing enterprise LAN/WAN infrastructure • Supporting and troubleshooting complex network and security incidents • Managing Cisco-based network environments across HQ and international delegations • Operating and maintaining Palo Alto firewalls and F5 VPN infrastructure • Supporting WiFi environments based on Aruba technologies • Working with Cisco DNAC and Cisco ACI environments • Participating in infrastructure rollouts, migrations, upgrades, and operational improvements • Providing 2nd line operational support within the NOC team • Drafting operational procedures and technical documentation • Ensuring operations follow ITIL best practices (Incident / Change / Problem Management) 🛠️ Technical Environment • Cisco Switching & Routing • Cisco DNAC • Cisco ACI (Data Center) • Palo Alto Firewalls • F5 VPN, Load Balancing and Firewalling • Aruba WiFi Infrastructure • Cisco Switching • Windows Server & Active Directory • Enterprise LAN/WAN environments ✅ Your Profile • minimum of 6 years of experience in Network & Security Engineering • Hands-on expertise with Cisco networking technologies • Experience with Palo Alto firewalls and F5 solutions • Experience within enterprise or mission-critical environments • Aruba WiFi experience is a strong asset • Fluent in English 🎓 Certifications At least one relevant certification is required: • CCNA / CCNP / CCIE • Palo Alto, F5 or Juniper certifications • Network Security certifications (SANS is a plus) • SD-WAN or Splunk certifications are considered advantageous 🕒 Working Model • Hybrid setup: 3 days onsite / 2 days remote • Monday to Friday only (no weekend work) • Rotating shifts between: Office shifts • 08:00 – 16:30 • 10:00 – 18:30 Remote shifts • 07:00 – 15:30 • 11:30 – 20:00 🔐 Security Clearance Candidates must possess — or be eligible to obtain — a valid EU SECRET security clearance (or equivalent national clearance issued by an EU Member State). 📅 Additional Information • Start Date: ASAP • Long-term freelance or payroll assignment with possible extensi ons • Location: Brussels Interested or know someone who could be a fit? Feel free to reach out directly.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.