senior application security engineer

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...

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....

Materialise is seeking an IT Security Engineer to own our network and security infrastructure and drive secure design across global environments. You will work with IT infrastructure, application and development teams to deliver consistently secure guidance and implement protective measures.The role emphasizes a Security First approach, leadership in...

Nomios in Belgium is expanding a Microsoft security engineering practice. As a Microsoft Security Engineer, you assess the security posture of customers' Microsoft environments, perform scoping and baseline assessments, and identify gaps with clear, actionable recommendations.You translate findings into practical advice, hand over validated recommendations...

Rhox recherche un spécialiste de la sécurité réseau axé sur Palo Alto pour migrer des pare-feu Forcepoint et gérer Panorama dans des environnements de production multisites. Vous analyserez, planifierez et validera les politiques de sécurité, et optimiserez les NGFW Palo Alto et Panorama.Le candidat idéal possède au moins 5 ans d’expérience en...

Itenium zoekt een ervaren frontend Angular-ontwikkelaar voor een langdurige opdracht bij een grote Belgische organisatie. Je versterkt een team en werkt aan moderne security-gerelateerde webapplicaties.Je bouwt responsive UI's, koppelt frontend aan REST APIs en werkt nauw samen met UX/UI designers, backend developers en testers in een Agile/Scrum-omgeving....

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 other...

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...

Daikin Europe is seeking a Security Application Engineer in Gent, Belgium, to embed security, compliance, and reliability into its IoT cloud applications across the lifecycle. You will combine security engineering with process ownership, ensuring secure-by-design solutions and regulatory alignment (CRA, NIS2).You will work with development teams, architects,...

A multinational defence organisation is developing its cyber and communications monitoring capabilities, and needs someone who can turn what operators say they need into requirements an engineering team can build against — and keep the two in step as both move. What you would be doing Supporting the development and management of technical and operational...

This is the escalation point. When a commercial application that thousands of people depend on stops behaving, it reaches this desk — and it is also this desk that decides how the next one gets deployed, integrated and monitored so it does not. Three positions are open on the same requirement, based at Braine-l'Alleud with half the week on site. The work...

Third line is where the tickets arrive that nobody else could close. This post covers a portfolio of commercial applications running on Windows and Linux servers: deploying them, integrating them with identity providers, keeping them healthy, and answering for them when they are not. Alongside the established estate there is genuinely new work — deploying...

This is a lead role for someone who does not want to stop being an engineer. You would own the technical quality of a team's output across a portfolio of commercial applications, and the requirement is explicit that a meaningful share of your time — roughly twenty to forty per cent — stays hands‑on, so you remain credible and can unblock people...

Third line is where the tickets arrive that nobody else could close. This post covers a portfolio of commercial applications running on Windows and Linux servers: deploying them, integrating them with identity providers, keeping them healthy, and answering for them when they are not. Alongside the established estate there is genuinely new work — deploying...

A multinational defence organisation is developing its cyber and communications monitoring capabilities, and needs someone who can turn what operators say they need into requirements an engineering team can build against — and keep the two in step as both move. What You Would Be Doing Supporting the development and management of technical and operational...

Application Support Engineer (DRWN) Job title – Application Support Engineer Client Location – Brussels, Belgium Remote work offering – Hybrid – approx. 60% remote, on‑site presence required 2 days per week by default Client Industry – Energy / Utilities (Transmission System Operator) Contract Length – Not specified in JD – to confirm with...

Deadline Date: Monday 5 October 2026Requirement: Senior Engineer, CIS SecurityLocation: Braine-l'Alleud, BEFull Time On-Site: YesTime On-Site: 100% Total Scope of the request (hours): 760Required Start Date: 10 November 2026End Contract Date: 31 December 2026 Required Security Clearance: NATO COSMIC TOP SECRET Duties & Role:  Provide security accreditation...

We are looking for an experienced Functional Analyst / Scriptura (Design & Compose) System Engineer to support and enhance a critical reporting platform within an Asset Management environment. In this hybrid role, you will act as the link between business stakeholders, vendors and IT teams while ensuring the stability, performance and continuous evolution of...

GTM AI Applications Engineer Context & Impact: This is a backfill role within Lansweeper's Revenue Operations team, built for someone who wants to spend meaningful time designing and building AI agents — not just maintaining systems. As a GTM Applications Engineer (AI Agents & Integrations), you'll own the technical layer connecting our go-to-market...

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,...