Keystone Solutions

About the Company

At Keystone Solutions, we specialize in bridging technology and talent to deliver a seamless IT experience.

With a focus on efficiency and innovation, we streamline your IT services, ensuring that you can focus on what you do best while we handle the complexities of your IT ecosystem. From strategic planning through to execution, we are your partners in creating a harmonious technological environment that propels your business forward.

Our Services:

- Hyperautomation: Embrace efficiency with Keystone Solutions' hyperautomation. Integrating Al, ML, and RPA, we automate and optimize your business processes, elevating operational excellence and decision-making.

- IT Consulting: Our IT consultancy at Keystone Solutions navigates you through the complexities of technology. We provide strategic insights, from system architecture to digital transformation, fueling your business growth.

- Software Development: Keystone Solutions excels in crafting custom software tailored to your needs. From innovative apps to system integrations, we transform your ideas into dynamic digital solutions.

- IT Security: Secure your digital landscape with Keystone Solutions. We offer comprehensive cybersecurity measures, from risk assessments to incident response, safeguarding your data and operations.

Listed Jobs

Company Name

Keystone Solutions

Job Title

IT System Infrastructure Engineer

Job Description

**Job Title:** IT System Infrastructure Engineer (Medior) **Role Summary:** Medior IT System Infrastructure Engineer embedded on‑site as a consultant, collaborating with the client’s internal infrastructure team and external service provider. Responsible for designing, implementing, and securely operating a mixed‑technology environment (network, security, servers, storage, cloud, workstations, mobile) while ensuring high availability and compliance with security standards. **Expectations:** - Minimum 3‑5 years of hands‑on experience in server, storage, network, and cloud infrastructure. - Strong security mindset and investigative approach to incident handling. - Ability to work independently and as part of multidisciplinary teams. - Excellent communication in English; Dutch or French beneficial. - Proactive attitude toward continuous learning and documentation. **Key Responsibilities:** - Assist in design and secure deployment of new infrastructure components and applications. - Collaborate with client application teams, business users, and external provider to meet functional and non‑functional requirements (HA, security). - Perform day‑to‑day management of infrastructure issues, providing Tier‑2/3 support and troubleshooting. - Lead handling and follow‑up of security incidents. - Produce and maintain technical documentation for IT staff and end‑users. - Serve as liaison between first‑level support, third‑level teams, and external service provider. **Required Skills:** - Expert‑level proficiency in Azure, firewalls, networking (switching), Linux and Windows server administration, SQL Server, storage systems, and iOS device management. - Practical experience with Microsoft Office suite (Word, Excel, Outlook, SharePoint). - Strong analytical, problem‑solving, and investigative abilities. - Excellent written and verbal communication; ability to draft clear documentation in English. - Team player with high motivation, organization, attention to detail, and capacity to manage multiple priorities in fast‑paced environments. **Required Education & Certifications:** - Formal IT education (e.g., Bachelor’s in Computer Science, Information Systems, or related field) or equivalent professional experience. - Relevant certifications advantageous (e.g., Microsoft Certified: Azure Administrator Associate, Cisco CCNA/CCNP, CompTIA Security+, VCP, ITIL). - No specific mandatory certifications listed; continuous certification support provided.

Brussels, Belgium

On site

20-01-2026

Company Name

Keystone Solutions

Job Title

Medior Data/AI Engineer

Job Description

**Job Title** Medior Data/AI Engineer **Role Summary** Work as an on‑site consultancy partner within a financial authority’s Data Center of Excellence. Extend and maintain an Azure‑based data platform (Databricks), lead deployments of Azure AI services, and establish governance, security, and compliance across the data and AI ecosystem. **Expectations** - Deliver hands‑on technical impact within the client environment. - Handle both on‑site and up to 50 % remote work, collaborating with cross‑functional teams. - Take ownership of AI service launches and data platform operations. - Mentor junior colleagues and influence architectural decisions in a regulated setting. **Key Responsibilities** - Extend and maintain the Azure Databricks platform per evolving business needs. - Lead deployment and technical ownership of Azure AI services (AI Foundry, AI Search, OpenAI, Document Intelligence). - Design, build, and optimize data ingestion pipelines for AI initiatives. - Set up and enforce data governance, security, and compliance across Azure services. - Provide technical guidance, mentorship, and best‑practice documentation. - Collaborate with stakeholders on AI projects, model selection, and architectural decisions. **Required Skills** - **Databricks** – 3 + years practical experience. - **Azure AI Services** – hands‑on deployment and configuration. - **Infrastructure as Code** – Terraform expertise. - **Data Engineering** – Pipeline/ETL design, performance tuning, Spark, Python, SQL. - **Governance & Compliance** – Azure Data Catalog, role‑based access, policy enforcement. - **Communication** – Professional proficiency in Dutch or French and full professional English. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience). - Microsoft Azure certification(s) (e.g., **Azure Data Engineer Associate**, **Azure AI Engineer Associate**, or equivalent). ---

Brussels, Belgium

On site

21-01-2026

Company Name

Keystone Solutions

Job Title

Application Interface Specialist

Job Description

Job Title: Application Interface Specialist Role Summary: Design, develop, and maintain healthcare system integrations between hospital information systems using Mirth Connect and HL7/FHIR standards. Collaborate with stakeholders to deliver interoperable solutions for patient care and operational efficiency. Expectations: Embedded consultancy role requiring on-site collaboration with clinical, IT, and administrative teams. Deliver production-grade integration solutions compliant with healthcare standards and business requirements. Key Responsibilities: - Develop integration flows using Mirth Connect, ensuring alignment with HL7 v2/v3 and FHIR standards. - Analyze stakeholder requirements and translate them into functional/technical specifications. - Implement secure, scalable interfaces across EHR, laboratory, imaging, billing, and ERP systems. - Troubleshoot and resolve interoperability issues to ensure data quality, security, and traceability. - Monitor and optimize integration performance while staying updated on healthcare IT technologies. Required Skills: - Proficiency in Mirth Connect or analogous middleware (e.g., similar integration platforms). - Expertise in JavaScript; experience with SQL and database design. - Strong understanding of healthcare interoperability standards (HL7, FHIR). - Ability to translate business requirements into technical solutions. - Competence in writing maintainable, efficient integration code. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or related discipline.

Brussels, Belgium

On site

23-01-2026

Company Name

Keystone Solutions

Job Title

AI Business and Data Analyst Marketing and Communications

Job Description

Job title: AI Business & Data Analyst – Marketing & Communications Role Summary: Provide AI‑driven insights for a client’s Marketing and Communications team. Translate predictive model outputs into clear, actionable business knowledge, manage model adoption, and ensure AI governance, compliance, and stakeholder alignment across projects. Expactations: - Own end‑to‑end AI use case development from requirement gathering to validation. - Lead model adoption initiatives, measuring usage, performance, and value. - Ensure rigorous compliance with AI governance, documentation, and model explainability. Key Responsibilities: 1. Collaborate with Marketing & Communications squads to promote awareness, adoption, and effective use of predictive analytics. 2. Translate stakeholder business needs into technical specifications, acceptance criteria, and feasibility studies. 3. Identify, groom, and access new data sources to support data scientists’ model development. 4. Track model performance and value generation, generating impact reports for stakeholders. 5. Conduct pilot studies, A/B testing, and experiment design to validate AI solutions. 6. Facilitate model explainability, fairness assessments, and compliance with GDPR and AI governance policies. 7. Create and maintain documentation, deliverables, and enable stakeholder involvement throughout the AI life cycle. 8. Advise on data pipelines, ML–ops integration, and data infrastructure needs. Required Skills: - 5+ years in AI engineering, Data Science, or Software Development. - Proven ability to convert business requirements into technical AI specifications. - Strong stakeholder management, communication, and presentation skills. - Proficiency in Python, SQL, statistical methods, experiment design, A/B testing, and data pipelines. - Knowledge of GDPR, AI governance, Agile practices, and SAS analytics (preferred). Required Education & Certifications: - Bachelor’s or Master’s degree in Data Science, Computer Science, Engineering, Business Analytics, or related field. - Advanced degree or specialization in AI/ML is a plus. - Fluency in English; additional language proficiency in Dutch or French required.

Brussels, Belgium

Hybrid

Mid level

29-01-2026