senior network security engineer

ITS Group S.A. is seeking an Automation Engineer to join its OT Cybersecurity team in Belgium. The role focuses on delivering technical projects for industrial customers in the Antwerp and Limburg regions, including mapping production networks, dividing networks into zones, and installing firewalls between OT and IT.You will set up secure remote access for...

Asenium Consulting seeks a Senior Network Engineer for a freelance assignment within the energy sector. You will manage and optimize an international network, spanning enterprise, technical and industrial environments, including DCS networks.The role requires 5–10 years of hands-on industrial experience with Fortinet, SD-WAN, Cisco ISE, BGP/OSPF/VRF, and...

Nebius in Belgium is hiring a Senior/Staff Infrastructure Security Engineer to secure our cloud and on‑premise infrastructure by implementing security controls, monitoring threats, and ensuring compliance with industry standards. The ideal candidate has a strong background in cloud security, Linux hardening, and network security, with hands‑on experience...

ph3About Nebius /h3 pNebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. /p h3About Nebius /h3...

Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and...

Hunter International, Inc. is seeking a Senior Cyber Security Specialist 2 - PKI to manage NATO-wide PKI systems from the Mons, Belgium region. The role emphasizes configuring and maintaining PKI components and related security services. Ideal candidates will have extensive cyber security experience, strong networking knowledge, and hands-on experience with...

Hunter International, Inc. is seeking a Senior Cyber Security Specialist 2 - PKI to manage NATO-wide PKI systems from the Mons, Belgium region. The role emphasizes configuring and maintaining PKI components and related security services. Ideal candidates will have extensive cyber security experience, strong networking knowledge, and hands-on experience with...

Hunter International, Inc. is seeking a Senior Cyber Security Specialist 2 - PKI to manage NATO-wide PKI systems from the Mons, Belgium region. The role emphasizes configuring and maintaining PKI components and related security services.Ideal candidates will have extensive cyber security experience, strong networking knowledge, and hands-on experience with...

About UsAt Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without...

Securitas Technology Belgium is seeking a Presales Engineer (Senior profile preferred) to join our Technology & Solutions team. You will blend technical expertise with sales skills to design and present the best security solutions for clients.This role balances technical and sales elements, translating client needs into winning solutions and convincing...

A multinational defence organisation runs next generation firewalls at enterprise scale and needs a third line engineer for them. Two things sit at the centre of the job: keeping the platform healthy, and keeping the policy on it correct. What you would be doing Building, implementing, maintaining and supporting next generation firewalls, centrally...

A multinational defence organisation runs next generation firewalls at enterprise scale and needs a third line engineer for them. Two things sit at the centre of the job: keeping the platform healthy, and keeping the policy on it correct. What you would be doing Building, implementing, maintaining and supporting next generation firewalls,...

A multinational defence organisation runs next generation firewalls at enterprise scale and needs a third line engineer for them. Two things sit at the centre of the job: keeping the platform healthy, and keeping the policy on it correct.What You Would Be DoingBuilding, implementing, maintaining and supporting next generation firewalls, centrally...

Jobat is seeking a Senior Network Infrastructure Engineer to implement and maintain its network infrastructure across multiple sites in Brussels. This role includes responsibilities like managing network hardware, servers, and providing advanced technical support for end users.Ideal candidates will have experience in network security and system performance...

Mycompas in Brussels is seeking an experienced ESOC Engineer to join the Enterprise Service Operations Centre. You will provide Level 2 network support and act as a key technical liaison for complex incidents and changes.The role requires CCNP certification, 7+ years in enterprise networks, and deep routing and switching expertise (BGP, OSPF, STP). You will...

Materialise NV is seeking a Security Engineer to own and shape our network and security infrastructure. You will work with global IT and development teams to implement secure designs, enforce governance, and coordinate incident responses in a critical production environment.We look for a master’s degree in a relevant field, 5–10 years’ security...

Wlgroup in Mons seeks a senior network engineer to manage a high‑visibility enterprise network and three on‑site openings. You will interpret telemetry, triage outages, and lead incident response to restore services within defined targets.You will handle day‑to‑day operations, configure routing and switching (BGP, OSPF, STP), monitor with Splunk and...

Trusted Advisors Group is seeking an English-speaking consultant to lead technology strategy for a leading telecom operator in Belgium. The role requires a Master in Engineering and 5–7 years of relevant experience, with strong English and beneficial Dutch or French language skills.You will research trends, design high-quality, cost-effective...

Apollo Solutions seeks an experienced F5 BIG-IP Network & Security Engineer to support a large-scale, multi-site data centre environment. You will design, implement and optimise F5 networking and security solutions, ensuring high availability, application delivery and secure traffic management.The role requires strong expertise in F5 BIG-IP, IP networking...

Nebius in Belgium is hiring a Senior/Staff Infrastructure Security Engineer to secure our cloud and on‑premise infrastructure by implementing security controls, monitoring threats, and ensuring compliance with industry standards.The ideal candidate has a strong background in cloud security, Linux hardening, and network security, with hands‑on experience...