senior security engineer

We're looking for a senior network security engineer to secure and maintain F5 Advanced Web Application Firewall (AWAF) infrastructure. You'll monitor system security, address vulnerabilities and respond to security crises.What you'll doInstall, configure and manage F5 Advanced Web Application Firewall infrastructure.Develop, document and monitor the...

Koda Tech is seeking a Freelance Senior Support Engineer for a long-term transformation project in Belgium. The role focuses on Windows infrastructure, networking, and cybersecurity, delivering 2nd/3rd line support across complex environments.Responsibilities include troubleshooting Windows servers and AD, managing DNS/DHCP, VPNs, firewalls, and Microsoft...

Keystone Solutions seeks a Senior Network Security Engineer with F5 expertise to secure applications and IT environments during digital transformation. This on-site consultancy will be at the client’s location, representing Keystone Solutions.You will install, configure, and manage F5 AWAF infrastructure, perform security risk analyses, monitor systems,...

Threat intelligence is only as good as the platform carrying it, and this one carries a lot. You would own the engineering behind a defence alliance's core instances of an open-source threat-intelligence sharing platform in Mons, Belgium — keeping them running, extending them, and helping the people who live in them day to day. Your immediate colleagues...

Plenty of security posts are about advice. This one is about hands on hardware and software: standing up boundary protection, detection, monitoring and forensic tooling, integrating it into existing environments, testing it properly and handing it over to operations in a state someone else can run. The tooling is named rather than hypothetical, and the work...

This is a hands-on senior engineering post on a cyber defence monitoring platform, and it has two halves that most roles keep apart. One is development, largely in Splunk: dashboards, data models, searches, automation. The other is operational — supporting the operational team that uses it every day and translating what they need into something buildable....

Two jobs that are usually done by two people, done properly by one: keeping a portfolio of commercial applications running, and being the person who decides whether their design is safe. It is a senior post, and the security half is not decoration — you would own reference architectures, hardening baselines and the technical risk register entries that go...

Plenty of security posts are about advice. This one is about hands on hardware and software: standing up boundary protection, detection, monitoring and forensic tooling, integrating it into existing environments, testing it properly and handing it over to operations in a state someone else can run. The tooling is named rather than hypothetical, and the work...

This is a hands-on senior engineering post on a cyber defence monitoring platform, and it has two halves that most roles keep apart. One is development, largely in Splunk: dashboards, data models, searches, automation. The other is operational — supporting the operational team that uses it every day and translating what they need into something...

This is a hands-on senior engineering post on a cyber defence monitoring platform, and it has two halves that most roles keep apart. One is development, largely in Splunk: dashboards, data models, searches, automation. The other is operational — supporting the operational team that uses it every day and translating what they need into something buildable....

Plenty of security posts are about advice. This one is about hands on hardware and software: standing up boundary protection, detection, monitoring and forensic tooling, integrating it into existing environments, testing it properly and handing it over to operations in a state someone else can run.The tooling is named rather than hypothetical, and the work...

Threat intelligence is only as good as the platform carrying it, and this one carries a lot. You would own the engineering behind a defence alliance's core instances of an open-source threat-intelligence sharing platform in Mons, Belgium—keeping them running, extending them, and helping the people who live in them day to day. Your immediate colleagues...

Ben jij een ervaren Software Engineer met een passie voor kwaliteitsvolle code, robuuste architecturen en security? Wil je niet alleen stabiele software bouwen, maar ook een sleutelrol spelen in de digitale weerbaarheid van onze organisatie?Als senior application Security Engineer ben jij de technische autoriteit op het gebied van softwarekwaliteit en...

Security tools only protect anything once they are properly installed, tuned and handed over. A multinational defence organisation in Mons needs a senior, hands‑on engineer to deliver its cyber security capabilities end to end: plan the change, build and test it, document it, and hand it to the people who will run it. On site, with occasional travel to...

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...

Location: Prague (Hybrid); Czech Republic (Remote); UK (Remote); Ghent (Hybrid) Function: Software Engineering Reports to: Team Leader, Esko AI About The Role Esko's products handle sensitive customer content and support business-critical workflows. AI-powered and agentic systems introduce additional security challenges because they combine access to...

Équipe Réseau & Sécurité – Police Fédérale · infrastructure F5 / Advanced Web Application Firewall La Police fédérale recherche un Network Sécurité IT Senior, expert F5, capable de garantir la sécurisation des applications et environnements informatiques face aux défis de la transformation digitale. Le consultant contribue à la...

Wat je zal doen Je komt terecht in het netwerk- en beveiligingsteam van een Belgische publieke organisatie om hun F5- en Advanced Web Application Firewall-infrastructuur te beheren en verder te ontwikkelen. Je rol is om de beveiliging van applicaties en IT-omgevingen te waarborgen in de context van een voortdurende digitale transformatie. Je belangrijkste...

Équipe Réseau & Sécurité – Police Fédérale · infrastructure F5 / Advanced Web Application Firewall La Police fédérale recherche un Network Sécurité IT Senior, expert F5, capable de garantir la sécurisation des applications et environnements informatiques face aux défis de la transformation digitale. Le consultant contribue à la...

What you will do You will join the network and security team of a Belgian public-sector organisation to manage and evolve their F5 and Advanced Web Application Firewall infrastructure. Your role is to ensure the security of applications and IT environments in the context of ongoing digital transformation. Your main responsibilities include: Install,...