UNIX Application System Engineer (Ref: 383)

Aubay is looking for a UNIX Application System Engineer to join the team in Luxembourg Ville. This position supports a major banking client, working closely with other UNIX specialists to keep critical systems running smoothly. What you will manage 470 Red Hat Enterprise Linux servers (versions 7, 8, and 9), with 95% virtualized, hosting essential applicatio…

About the Role Aubay is seeking a Senior Windows System Engineer to join a skilled team in Luxembourg Ville. This position focuses on supporting and advancing critical Windows Server infrastructures for a major client. The work involves high-availability systems with strict security, performance, and compliance requirements. Technical Environment Windows Server platforms (from 2016 up to 2025) Environments with demanding service level agreements and compliance standards Collaborative technical teams working across multiple disciplines Production systems where rigor, autonomy, and technical expertise are essential Main Responsibilities Coordinate and participate in technical projects and smaller initiatives Drive improvements in system reliability and automation Resolve Level 3 support tickets and perform advanced troubleshooting Create and maintain documentation, and share knowledge with Level 2 support teams Work closely with specialists in Windows, VMware, security, and application domains Why Join This role offers the chance to work on systems that are essential to business operations. Senior engineers here directly influence the stability and future direction of key infrastructure.

Role Overview Aubay is seeking an IAM Administrator (Ref: 373) to join the team in Luxembourg Ville, Luxembourg. This role focuses on managing and securing access within the organization’s information systems. The position supports a collaborative team environment and offers opportunities to work on essential identity and access management tasks. Main Responsibilities Oversee daily management of user identities and access rights, including joiner, mover, and leaver processes. Administer privileged access management (PAM) systems. Support the rollout of access for new applications. Analyze and design access rights using RBAC (role-based access control) models. Provide support and collaborate with a team of around 20 colleagues. Key Technologies and Focus Areas Identity and Access Management (IAM) Privileged Access Management (PAM) RBAC (Role-Based Access Control) Active Directory EntraID AzureAD IT Security and Cybersecurity Location: Luxembourg Ville, Luxembourg