Jobs at ARHS Group

Gather and document functional and non-functional requirements, analyze business processes, design IT solutions, and prepare functional specifications. Facilitate communication among stakeholders, technical teams, and project managers. Support testing, UAT, application rollouts, user training, change management, procurement tenders, documentation, and project coordination for Luxembourg public-sector IT initiatives.

Provides Level 2 and Level 3 technical support, maintains IT infrastructure, troubleshoots complex issues, and supports service migration and evolution. Works across Windows, Linux, and macOS environments, with Microsoft 365 administration, Docker, DevOps, GitLab, CI/CD, and AWS migration activities. Documents technical solutions, supports internal users, collaborates with technical teams, and contributes to infrastructure and cloud-related initiatives onsite in Luxembourg.

Facilitates Scrum ceremonies, coaches teams, resolves conflicts, removes impediments, supports product backlog refinement, and improves agile engineering processes. Promotes Scrum adoption among stakeholders, facilitates communication, monitors team metrics, and drives productivity improvements. Requires at least five years of IT experience, three years in a relevant role, a bachelor’s degree, English proficiency, and an internationally recognized Scrum certification.

Develop and govern Workday reports, dashboards, analytics, calculated fields, prompts, and integration data sources. Lead requirements workshops, translate business needs into reporting specifications, analyze legacy reports, manage testing and tenant migration, apply security and governance standards, resolve defects, and support deployment. Provide knowledge transfer, documentation, user training, report cataloging, and post-go-live hypercare for client reporting solutions.

Designs, develops, tests, documents, and supports enterprise SharePoint applications. Leads technical development teams, translates requirements into solutions, manages releases and configuration, optimizes performance and security, and supports Scrum-based evolution of existing codebases. Works with SharePoint, SPFx, React, TypeScript, PnPjs, .NET, C#, IIS, SQL Server, Azure DevOps, identity systems, REST APIs, and document management integrations.

Analyzes business needs, processes, requirements, user stories, systems, and potential solutions for large-scale public-sector IT projects. Models business processes and capabilities, supports software lifecycle activities, business cases, testing, quality assurance, and change management. Coaches staff on process changes and identifies improvements that increase efficiency, reduce costs, and improve service. Requires experience with Microsoft technologies, BPMN, UML, and business analysis certifications.

Coordinate SAP transformation projects from initiation through closure in a Luxembourg public-sector environment. Responsibilities include managing scope, timelines, budgets, resources, risks, deliverables, stakeholder coordination, meetings, reporting, testing, deployment readiness, change management, documentation, and post-deployment support. The role requires onsite client presence and professional proficiency in French and English.

Design, deploy, and maintain Kubernetes clusters, containerized applications, and Terraform-based cloud infrastructure. Build CI/CD pipelines, automate provisioning, optimize platform reliability and security, investigate incidents, and implement corrective solutions. Collaborate across development, infrastructure, and security teams, provide technical guidance, document systems, and improve DevOps standards. The role also owns complex infrastructure initiatives and supports reproducible, observable, least-privilege environments.

Provides SAP S/4HANA functional consulting for public-sector transformation projects. Responsibilities include requirements analysis, fit-to-standard workshops, process mapping, SAP configuration, functional specifications, integration collaboration, SIT/UAT, defect management, Level 3 support, deployments, go-live, documentation, training, and stakeholder communication. Requires expertise in at least one SAP functional area, SAP Fiori, business-process analysis, testing, authorizations, and French and English proficiency.

Lead end-to-end SAP S/4HANA transformation and modernization projects in a Luxembourg public-sector environment. Responsibilities include defining scope, budgets, timelines, governance, and deliverables; coordinating multidisciplinary teams and providers; managing risks, issues, changes, testing, cutover, deployment, hypercare, reporting, and stakeholder communication; and ensuring project quality, traceability, training, and closure.

Develop and maintain SAP S/4HANA technical solutions using ABAP, Fiori, RAP, CDS Views, OData, and integration technologies. Analyze requirements and incidents, optimize performance, conduct testing and debugging, support deployments and Level 3 incidents, and apply Clean Core, security, authorization, and code-quality practices. Collaborate with functional, technical, security, and architecture teams in an onsite Luxembourg public-sector environment.

Administers applications across production and non-production environments, including installation, configuration, monitoring, performance tuning, incident resolution, releases, backups, and documentation. Automates recurring administration tasks, supports ICT operations knowledgebases, and reports on application availability, capacity, performance, and usage. The role requires extensive application administration experience plus expertise in containers, Kubernetes, Elasticsearch, enterprise servers, configuration management, scripting, and ITIL processes.

Designs, develops, optimizes, tests, documents, deploys, and supports enterprise .NET web applications and React/TypeScript single-page applications. Leads development teams, translates requirements into technical designs, establishes development standards, manages releases and configuration, and provides third-line production support. The role requires Azure DevOps deployment, Windows/IIS and containerized platform operations, security remediation, identity integration, codebase takeover, technical-debt management, incident analysis, UAT support, and collaboration with external contractors.

Develop, test, maintain, and deploy Java backend applications and web portals using Spring Boot. Design REST and SOAP integrations, implement asynchronous Kafka communication, contribute to automated testing and CI/CD, and deploy and monitor services in on-premises and cloud-based containerized environments. Collaborate with technical and functional teams in a European institutional client setting.

Designs and documents IT architecture solutions across technology, data, and application domains in a Java and Spring Boot environment. Analyzes requirements, defines integration approaches, maintains architecture models, and provides technical guidance to development teams. The role supports implementation, testing, transition, and operations while ensuring alignment with architecture standards. It requires collaboration with business and IT stakeholders in a Luxembourgish public-sector environment and mandatory fluency in French. The position is onsite at client locations.

Develop and maintain SharePoint Online and Power Platform solutions, including SPFx components with React and TypeScript, Power Apps, Power Automate workflows, and PnP PowerShell automation. Responsibilities include solution design, deployment, ALM, CI/CD, documentation, code reviews, testing, and stakeholder collaboration within Agile teams. The role is onsite in Luxembourg and requires at least three years of relevant experience, fluent English, and a criminal background check.

Develop and maintain Java applications using Spring Boot and the Spring Framework. Build REST APIs, backend services, and microservices; work with SQL databases and ORM frameworks; contribute to architecture, modernization, testing, CI/CD, troubleshooting, and performance optimization. Collaborate with multidisciplinary Agile teams, participate in code reviews, and maintain technical documentation. The role requires onsite client work in Luxembourg and fluency in French.

Designs, develops, and deploys SharePoint Framework solutions, SharePoint Online sites, Power Apps, and Power Automate workflows. Automates provisioning with PnP PowerShell, implements application lifecycle management and CI/CD pipelines, translates business requirements into technical designs, and supports documentation, code reviews, testing, deployment, and hypercare within Agile teams.

Develops new IT-sector business, acquires clients, manages existing accounts, identifies client needs, proposes tailored IT services, supports bids and commercial proposals, monitors market opportunities, and maintains CRM data. Requires experience with European Institutions, advisory or consulting expertise, strong sales and negotiation skills, English fluency, and preferably French and Luxembourg IT-market knowledge.

Designs and executes functional, regression, exploratory, acceptance, API, and basic performance tests for complex enterprise web applications. Manages test plans, suites, cases, defects, traceability, regression assets, and UAT coordination in Azure DevOps. Reports results, verifies defect fixes, reviews documentation, supports knowledge transfer, and may lead testing on smaller projects.