UNIX Application System Engineer (Ref: 383)

AubayLUXEMBOURG VILLE, Luxembourg, Luxembourg

On-site Full-time

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Experience Level

Experience

Qualifications

Your Profile:• Proven experience, versatility, strong autonomy, and work rigor (testing, change management, production deployment, and documentation).• A solid understanding of operating in a critical financial environment with high SLAs and quality service expectations towards users.• Ability to autonomously execute your technical project through analysis, installations of AIX LPAR or Red Hat machines, and more.

About the job

What you will manage

470 Red Hat Enterprise Linux servers (versions 7, 8, and 9), with 95% virtualized, hosting essential applications for users
Power servers running AIX 7 with PowerVM/VIO (NPIV, SEA), managing about 100 partitions under NIM, supporting applications and databases such as Oracle, Websphere Application Server, and Swift
OpenShift clusters that host critical applications
Open storage arrays (Windows/Linux)
Commvault backup infrastructure, including both software and hardware

Key responsibilities

Participate in banking projects, focusing on installing and implementing both web-based and non-web-based banking applications, as well as handling version and platform migrations
Carry out system administration tasks such as filesystem expansion, OS patching, upgrades on AIX and RHEL, application upgrades, and third-party tool installations
Develop scripts, implement backup solutions, configure Nagios monitoring, and perform daily system maintenance
Maintain system security and support banking or middleware applications

Skills and experience

Experience with Red Hat Enterprise Linux and AIX administration
Familiarity with OpenShift clusters and virtualization technologies
Knowledge of backup solutions, especially Commvault
Ability to script and automate routine tasks
Understanding of monitoring tools such as Nagios

About Aubay

Aubay is a leading consulting and technology services company, recognized for delivering high-quality IT solutions and services to clients across various industries, including finance. Our commitment to excellence and innovation makes us a trusted partner for businesses looking to enhance their technological capabilities.

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Senior Cybersecurity Architect (Ref: 378)

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Spontaneous Application at Aubay | Luxembourg

Aubay

Full-time|On-site|LUXEMBOURG, Luxembourg, Luxembourg

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Spontaneous Application at Impactify | Luxembourg

Impactify

Full-time|Hybrid|Luxembourg, Luxembourg, Luxembourg

Join Impactify, a dynamic and rapidly expanding tech company that is reshaping the landscape of digital advertising. We are on the lookout for ambitious individuals who are eager to innovate and take their careers to the next level within a supportive and passionate team environment. As part of a profitable start-up with a global presence, you will be at the forefront of exciting opportunities in the industry.About UsFounded by two veterans of the publishing sector, Impactify has developed the most premium video ad formats available today. Our products are utilized daily by numerous esteemed publishers such as Slate, Cosmopolitan, Capital, and Forbes, along with major brands like Nike®, Coca-Cola®, Amazon®, and BMW®. Due to our success, we are expanding our sales and tech teams to meet increasing demand.Life at ImpactifyOur offices are situated in the vibrant city center of Luxembourg, where we provide lunch vouchers, complimentary coffee, and flexible work-from-home options. We are committed to fostering mutual growth, offering attractive salary packages and promising career development prospects.

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Microsoft Cloud Systems Architect (Ref: 379)

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Apr 24, 2026

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UNIX Application System Engineer (Ref: 383)

Aubay

Full-time|On-site|LUXEMBOURG VILLE, Luxembourg, Luxembourg

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 applications for users Power servers running AIX 7 with PowerVM/VIO (NPIV, SEA), managing about 100 partitions under NIM, supporting applications and databases such as Oracle, Websphere Application Server, and Swift OpenShift clusters that host critical applications Open storage arrays (Windows/Linux) Commvault backup infrastructure, including both software and hardware Key responsibilities Participate in banking projects, focusing on installing and implementing both web-based and non-web-based banking applications, as well as handling version and platform migrations Carry out system administration tasks such as filesystem expansion, OS patching, upgrades on AIX and RHEL, application upgrades, and third-party tool installations Develop scripts, implement backup solutions, configure Nagios monitoring, and perform daily system maintenance Maintain system security and support banking or middleware applications Skills and experience Experience with Red Hat Enterprise Linux and AIX administration Familiarity with OpenShift clusters and virtualization technologies Knowledge of backup solutions, especially Commvault Ability to script and automate routine tasks Understanding of monitoring tools such as Nagios

Apr 30, 2026

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Full-time|On-site|Luxembourg

Join ARHS Group, a proud member of Accenture, as we seek a talented IT Architect (m/f) to enhance our architectural and engineering expertise. In this pivotal role, you will be instrumental in shaping and overseeing the comprehensive Software Development Lifecycle (SDLC) Platform that supports a robust user base exceeding 2,000 and is on the rise. This platform encompasses source code management, continuous integration/continuous deployment (CI/CD) execution, runner infrastructure based on GitLab, and secure artifact management services utilizing SonarQube, all hosted on AWS.YOUR ROLE:Transform business and technical requirements into IT and solution architectures that align with SDLC best practices.Engage in documenting and communicating the architectural vision and roadmap.Take ownership of the architecture, governance, and growth of the GitLab and SonarQube platforms hosted on AWS.Design and manage the interfaces connecting cloud-hosted platforms with on-premise legacy systems.Establish and advocate for SDLC standards, including source control, CI/CD pipelines, quality gates, and release management.Guide teams in the application of architectural principles, integration patterns, and development best practices.Work closely with DevOps, QA, Security, Cloud, and Product teams.Contribute to estimation, planning, and technical risk management.Stay informed about emerging technologies and evaluate their potential impact on the organization.

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Nov 3, 2025

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Senior Financial Application Developer - Part-Time Remote Position

Trasys International

Part-time|Remote|Remote job

Join Our Team!Trasys International is a vibrant global enterprise renowned for our partnership with EU Institutions. With over 30 years of proven success in delivering top-notch solutions, we are committed to empowering our clients through digital transformation. Our mission is to provide exceptional talent precisely when needed, ensuring the growth and success of our partners. We are continuously on the lookout for skilled professionals eager to tackle challenging international projects and deliver outstanding results in diverse multicultural settings. Our offerings include modernization of solutions, digital workspaces, cloud technologies, and IT security. Our headquarters are located in Brussels, and we operate across Europe, including offices in Luxembourg, Amsterdam, Athens, Stockholm, and Geneva.Are You the One?We are currently seeking a Senior Financial Application Developer to collaborate with our client in Luxembourg, a prestigious European Institution. This role involves supporting the ESM Project Management Office in areas such as governance, reporting, resource management, tool enhancement, and project coordination. The ideal candidate will possess strong analytical, organizational, and communication skills. This is a part-time remote role, with initial visits to the Luxembourg office required, including during the first week of employment.Your Key Responsibilities:Design and implement new features for VBA / Python applications and PowerBI dashboards.Coordinate deliverables related to these applications with both internal and external stakeholders.Prepare documentation to support internal decision-making processes, including testing and training materials.Develop and implement an internal communication strategy for changes and new features impacting the business.Conduct testing, manage change documentation, and assist in the deployment of technology solutions, ensuring smooth handover to production support.Maintain all relevant materials within the client's SharePoint environment for audit purposes.

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Intelligence Analyst - Speculative Applications | Control Risks

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Spontaneous Application at Trasys International for Digital Transformation

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Full-time|On-site|Strassen, Luxembourg, Luxembourg

Are you passionate about shaping the future of European institutions and international organizations through digital transformation? Do you thrive in diverse, multicultural settings and take pride in delivering exceptional results on projects that matter?If this resonates with you, we invite you to connect with us.About UsTrasys International, a dedicated division of NRB S.A., is recognized as a reliable partner for EU Institutions. With a commitment to excellence and a remarkable 30-year history of providing top-tier solutions, we are focused on empowering our clients to navigate the complexities of digital transformation. Our mission is to match the right talent with the right opportunities, ensuring successful outcomes for challenging international projects. Our services encompass a wide range of areas including solution modernization, digital workspaces, cloud technologies, and IT security. Our headquarters are situated in Brussels, with active branches across Europe including Luxembourg, Amsterdam, Athens, Stockholm, and Geneva.What We OfferJoining Trasys International means engaging in significant projects that support European and International Organizations. We provide:International, impactful projectsEngagements with EU institutions and global organizations driving digital change.Assignments aligned with your expertiseRoles in development, cloud computing, cybersecurity, architecture, project management, analysis, governance, and modern workplace solutions.Long-term, dependable collaborationsMulti-year contracts, renewals, and a steady flow of assignments, all while retaining full autonomy as a freelance consultant.Multicultural project teamsCollaborate with specialists from Belgium, Luxembourg, Greece, and beyond.Professional growth through challenging assignmentsEnhance your skills in cloud computing, cybersecurity, EU standards, public-sector digitalization, and contemporary IT environments.Ideal CandidatesWe are consistently searching for skilled IT professionals who are collaborative, experienced, and motivated by working in international and multicultural settings.We typically seek candidates for roles such as:Software Developers & Engineers

Mar 17, 2026

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DevSecOps Engineer at Uni Systems | Luxembourg

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Full-time|On-site|Luxembourg, Luxembourg, Luxembourg

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Apr 27, 2026

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Full-time|On-site|Luxembourg

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Dec 2, 2025

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