OneSource Consulting

About the Company

OneSource is a pan European based recruitment, employment agency founded in response to the market demands for more flexible, cost-effective, tailored recruitment solutions. It aims at providing high-quality services to provide the best outcomes in the recruitment and employment of personnel from a diverse set of business sectors.

In today's highly competitive and ever-changing IT market, hiring the right candidate can
make the difference between success and failure of any mission-critical project.
We can navigate you through the complexities involved and the demands of 'Right-Sourcing'.
With our team having close to two decades of staffing proficiency, our staffing solutions will
help you accelerate your hiring strategy(s).

At ONESource, our philosophy is to be a true value-add to customers, businesses, and
stakeholders. Unwavering ethics, honesty, innovation, and excellence are the cornerstones of
our business, which translates into every work we undertake.

Listed Jobs

Company Name

OneSource Consulting

Job Title

DevOps / Kubernetes Platform Engineer

Job Description

**Job Title:** DevOps / Kubernetes Platform Engineer **Role Summary:** Design, build, and operate scalable Kubernetes-based environments for the SINEMA platform. Enable development teams with robust CI/CD pipelines, infrastructure automation, and observability, ensuring high availability, performance, and alignment with program requirements. **Expectations:** - Deliver stable, automated deployment pipelines and operational support for the platform. - Maintain and industrialize the underlying technical stack (Kubernetes, Kafka, NiFi, Fabric, PostgreSQL). - Provide incident response and proactive monitoring to sustain platform reliability. **Key Responsibilities:** - Support developers on environment usage, application deployments, monitoring, and troubleshooting. - Operate, scale, and maintain Kubernetes clusters hosting SINEMA microservices, APIs, batch jobs, and technical services. - Design, implement, and evolve CI/CD workflows using GitLab CI, ArgoCD, Helm templates, and Ansible. - Develop and maintain infrastructure‑as‑code artifacts, automation scripts, and deployment playbooks. - Configure and manage observability stack: centralized logging, metrics collection (Prometheus), distributed tracing (Jaeger), dashboards (Grafana), and alerting. - Integrate and update Kafka message bus, Apache NiFi flows, PostgreSQL databases, and Hyperledger Fabric networks. - Deploy and maintain chaincodes (smart contracts) for movement and traceability tracking. - Produce platform documentation including architecture diagrams, runbooks, procedures, and best‑practice guides. **Required Skills:** - Kubernetes administration and application development (CKA/CKAD level). - CI/CD tooling: GitLab CI, ArgoCD, Helm, Docker, and container orchestration. - Automation & IaC: Ansible, shell scripting, Git workflows. - Observability: Prometheus, Grafana, Loki, Jaeger, alerting mechanisms. - Messaging & data: Apache Kafka, Apache NiFi, PostgreSQL. - Blockchain: Hyperledger Fabric, chaincode development. - Microservices architecture, API design, batch processing fundamentals. - Incident response, performance tuning, scalability practices. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field. - Professional certifications preferred: Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD), Red Hat Ansible Automation, GitLab Certified Associate, or equivalent.

Toulouse, France

Hybrid

18-12-2025

Company Name

OneSource Consulting

Job Title

CSDM Implementation Expert

Job Description

**Job Title:** CSDM Implementation Expert **Role Summary:** Seasoned ServiceNow consultant responsible for designing, configuring, and deploying the Common Service Data Model (CSDM v5.0) across all implementation phases (Foundation, Crawl, Walk, Run, Fly). Guides teams in CMDB stabilization, service mapping, and lifecycle management while ensuring alignment with ITSM processes and regulatory standards. **Expectations:** - Minimum 5 + years of hands‑on ServiceNow experience, including CMDB and ITSM modules. - Proven track record delivering CSDM implementations end‑to‑end. - Strong analytical skills to assess current processes and define improvement roadmaps. - Ability to work independently and influence cross‑functional teams in complex environments. - Excellent communication skills for both technical and strategic audiences. **Key Responsibilities:** - Design and configure CSDM architecture on ServiceNow platforms. - Analyze existing ITSM processes and recommend CSDM‑based enhancements. - Develop and execute use‑case testing to validate model implementation. - Support CMDB stabilization, asset‑CI relationships, and reference table integration. - Implement Service Mapping methods and define lifecycle management within the CMDB. - Provide continuous improvement recommendations for CSDM utilization. - Ensure compliance with NIS 2 and other relevant regulations. - Collaborate with portfolio management teams (preferred). **Required Skills:** - Advanced knowledge of ServiceNow (CMDB, ITSM, Service Mapping, Portfolio Management). - Deep expertise in CSDM v5.0 concepts and implementation methodologies. - Strong understanding of ITSM processes (incident, change, problem, request fulfillment). - Experience with lifecycle management and data governance in CMDB. - Familiarity with NIS 2 regulatory requirements. - Excellent analytical, problem‑solving, and documentation abilities. - Effective verbal and written communication; stakeholder management. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience). - ServiceNow Certified Implementation Specialist – CMDB (or equivalent ServiceNow certification). - Additional ServiceNow certifications (ITSM, ITOM, CSDM) preferred. - Relevant ITIL foundation or higher certification is a plus.

Brussels, Belgium

Hybrid

22-12-2025

Company Name

OneSource Consulting

Job Title

Infrastructure Engineer

Job Description

Job Title: Infrastructure Engineer Role Summary: Provide network and Azure security support within the Digital Security Office, design and implement secure network solutions, maintain security policies, documentation, and secure configurations, and participate in ongoing projects to optimize network flows and firewall policies. Expactations: Pragmatic, analytical thinker with a strong work ethic, team‑oriented, “can‑do” mindset; excellent written and verbal English; fluent in Dutch or French; capable of communicating technical concepts to non‑technical stakeholders. Key Responsibilities: - Design and implement network security solutions across corporate, Azure, and workplace environments. - Maintain security policies, procedures and documentation. - Assist in designing a new management network and secure baselines for datacentre infrastructure. - Configure and manage secure workplace environment settings. - Optimize network flows and firewall policies; secure integrations with external solutions. - Set up out‑of‑band networks for large datacentre deployments. Required Skills: - In‑depth knowledge of networking, firewall and proxy technologies. - Understanding of network connectivity and security for workplace and Azure. - Experience securing internal network flows and external integrations. - Experience deploying out‑of‑band networks for datacentres. - Strong communication, analytical and problem‑solving abilities. - Fluency in English and native or fluent Dutch or French. Required Education & Certifications: - Bachelor’s degree in Computer Science, Information Technology or related field (or equivalent professional experience). - Networking or security certifications (e.g., CCNA, CCNP, Security+) preferred.

Brussels, Belgium

On site

06-01-2026

Company Name

OneSource Consulting

Job Title

Network Engineer

Job Description

Job Title: Network Engineer Role Summary: Network Engineer responsible for designing, deploying, and maintaining secure, high‑availability network infrastructures for data centers and decentralized sites within a national IT line. Duties include server migration, physical installation, cabling, firewall configuration, and ongoing support to decentralized teams. Expactations: - Implement robust, secure network solutions that meet national infrastructure standards. - Execute server migration plans on schedule with minimal downtime. - Support decentralized teams through training and troubleshooting. Key Responsibilities: - Create and execute migration plans for physical server relocation to new data centers. - Install and configure network equipment (pfSense/OPNsense, Cisco switches/routers) in high‑availability environments. - Wire racks, perform cabling management, and ensure optimal server placement. - Configure and manage firewalls, VPNs, and secure network architectures. - Conduct site-to-site physical connections and integrate local networks into the national network. - Provide technical support, diagnose network issues, and offer end‑user assistance with VPN connections. - Coordinate with decentralized teams to optimize network design, scalability, and security. - Deliver basic training to teams for self‑maintenance of secure network operations. Required Skills: - Proficient with pfSense, OPNsense, and Cisco network equipment. - Experience designing and operating high‑availability networks. - Strong understanding of network security, VPN technologies, and firewall management. - Practical knowledge of data center physical installation, rack‑and‑stack procedures, and cabling standards. - Ability to diagnose and resolve network problems efficiently. - Linux administration experience; familiarity with virtualization platforms (KVM, Proxmox) an asset. - Excellent teamwork, communication, and problem‑solving abilities. - Proficient in English; knowledge of at least one national language required (Dutch or French). Required Education & Certifications: - Bachelor’s degree in Computer Science, Information Technology, or a related systems‑focused discipline. - Relevant networking certifications (e.g., CCNA/CCNP, CompTIA Network+, or equivalent) preferred. - Firewall and security certifications (e.g., pfSense Certified, OPNsense Associate) are a plus.

Brussels, Belgium

On site

08-01-2026