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Senior Application Platform Engineer

· Job Posted March 05, 2026
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Job Description

In this role, you will collaborate closely with a dedicated platform team and partner with developers, architects and ICT colleagues. You will contribute to building resilient platforms that support critical digital systems across the organisation and strengthen application reliability across the energy market.

Job Responsibility

  • Design, implement and evolve changes to the core application platforms, including Windows Server and AKS environments
  • Maintain and document software components forming the application platforms, including operating procedures and support guidelines
  • Guide developers and application architects during solution design and assist their deployment journey through to production
  • Investigate and troubleshoot technical issues, ensuring continuity and performance of deployed applications
  • Coach and support colleagues on platform technologies to promote knowledge sharing and team development
  • Suggest platform enhancements to improve reliability, security and efficiency
  • Participate in a 24/7 on-call support rotation (1 week in every 4, when requested)
  • Work actively with both traditional IT technologies and cloud-native solutions to bridge legacy and modern application ecosystems

Requirements

  • Proven experience in a similar role focused on managing complex application platforms
  • Deep knowledge of cloud-native workload management, Kubernetes clusters and associated tooling (e.g. Istio, Keda, Harbor)
  • Working experience with infrastructure-as-code tools (Ansible, Terraform) and CI/CD (Azure DevOps) is essential
  • Hands-on scripting capabilities (e.g. PowerShell, Azure CLI) and familiarity with public cloud environments (Azure, AWS)
  • Strong communication skills and the ability to collaborate in a regulated, multi-stakeholder environment
  • Ability to follow conversations in both Dutch and French and strong fluency in English
  • Curiosity, analytical thinking and a proactive attitude toward improvement

Nice to have

Past experience in the energy industry

What we offer

  • Digital recruitment process and onboarding to the company
  • You will collaborate with a knowledgeable team that values autonomy, teamwork and continuous technical learning
  • You’re joining an impressive network of +100 digital consultants and the Ariad staff, all dedicated to helping and supporting each other to succeed and drive innovation
  • You will never be a number: we match you with projects that suit your skills and ambitions
  • Personalised follow-up & honest feedback guided by our Digital Talent Managers
  • Gain a rich community of other digital professionals at quarterly events and meetups. Join our annual Workcation event in sunny Southern Spain
  • Ongoing opportunities to learn and grow professionally, including personal and professional development and guidance
  • Access to leading A-brands in Europe such as Samsung, ING Bank, Carrefour, L'Oreal, Decathlon and many others

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