senior application security engineer

Function We’re looking for a Senior Penetration Testing Analyst to join our client’s cybersecurity team and lead complex offensive security engagements across a diverse technology landscape. You will take ownership of penetration tests from scoping and rules of engagement through execution, reporting and remediation support, covering infrastructure,...

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...

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....

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...

Job DescriptionWe are looking for an experienced Offensive Security Engineer with a broad and versatile skill set to join the spotit Offensive team. To maintain a strong balance of expertise within our team, we are currently particularly interested in candidates with demonstrated experience and/or a strong interest in the following areas: Advanced red team...

Do you want to join the exciting and innovating world of online banking? Keytrade Bank is part of the Crédit Mutuel Arkéa Group, a well-established and reliable French banking group headquartered in Brest. As a pioneer in online banking in Belgium, Keytrade has grown into a fully digital bank offering a wide range of daily banking, investment and trading...

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...

We are working towards turning digital visions into reality. We are continuously growing and we are looking for a Cybersecurity Engineer to join our UniQue team.What will you be doing in this role?Creation of custom internal scripts for automating tasks, analyzing data, and integrating APIs to connect security platforms and infrastructure tools.Deployment,...

ppWe are working towards turning digital visions into reality. We are continuously growing and we are looking for a Cybersecurity Engineer to join our UniQue team. /p h3What will you be doing in this role? /h3 ul liCreation of custom internal scripts for automating tasks, analyzing data, and integrating APIs to connect security platforms and infrastructure...

We are working towards turning digital visions into reality. We are continuously growing and we are looking for a Cybersecurity Engineer to join our UniQue team. What will you be doing in this role? Creation of custom internal scripts for automating tasks, analyzing data, and integrating APIs to connect security platforms and infrastructure...

Location: Brussels, Belgium Company: Tata Consultancy Services (TCS) Belgium Employment Type: Full-time Nature of the tasks • Develop and implement security policies and procedures. • Define, implement and monitor security plans. • Guide development teams throughout the Software Development Lifecycle (SDLC) to build and operate software securely,...

Job Description We are looking for an experienced Offensive Security Engineer with a broad and versatile skill set to join the spotit Offensive team. To maintain a strong balance of expertise within our team, we are currently particularly interested in candidates with demonstrated experience and/or a strong interest in the following areas: Advanced red team...

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...

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....

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...

Company DescriptionAbout Devoteam:Devoteam is a leading consulting firm focused on digital transformation. We help our clients leverage technology to achieve their business goals.Our longstanding partnerships with leaders like AWS, Google Cloud, Microsoft, and ServiceNow amplify our capabilities, allowing us to deliver top-tier expertise and award-winning...

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...

Security & Infrastructure Engineer Hybrid · Ghent (BE office)Polysense builds operational intelligence software for food manufacturers. Companies like Agristo, Lotus Biscoff, and La Lorraine Bakery Group already run on it.Our customers are large enterprises, and those customers run security reviews before they buy. Not just a policy PDF, but real cyber...