Open Source Trainings

Open Source: the foundation of modern IT architectures

Open source has become, in 2026, the foundation of nearly all modern IT architectures. Linux for servers, Python for data engineering and AI, JavaScript for web, Docker and Kubernetes for containerisation, Terraform and Ansible for infrastructure as code, Apache Kafka for streaming, PostgreSQL and MongoDB for databases, GitLab for versioning and CI/CD: mastery of these open source technologies constitutes a highly sought-after skill in all organisations, from startups to large banks. In Geneva, Lausanne and across French-speaking Switzerland, private banks, international organisations, hospitals, public services and startups structure their DevOps, SRE and data teams around profiles mastering the open source stack.

Following a recognised open source training opens access to highly valued roles: DevOps engineer, SRE, cloud-native engineer, data engineer, back-end developer, platform architect. The CNCF (CKA, CKAD, CKS, KCNA, PCA), HashiCorp (Terraform Associate), Linux Foundation and Red Hat certifications are internationally recognised and widely expected in IT job descriptions in French-speaking Switzerland. Investing in an open source certification sustainably enhances your profile in a segment where expertise remains tight.

ITTA offers more than 30 open source training courses, from foundation level to expert level, covering all major technologies. Each session is built around hands-on labs on real environments (Kubernetes clusters, Linux instances, PostgreSQL and MongoDB databases), with to enable personalised support.

Whether you are a DevOps engineer, SRE, developer, data engineer, Linux administrator or architect, our open source training in Geneva and Lausanne provides the practical skills expected on the Swiss market to pass your target certification and access the most sought-after open source positions.

Open Source training families covered by our catalogue

Linux and system administration

Linux remains the foundation of modern servers, from cloud platforms to embedded infrastructures. Our catalogue covers Linux Essentials, Linux administration and production best practices. These training courses suit system administrators, DevOps engineers, profiles transitioning to DevOps and all those joining a platform team. The systems and networking sub-domain regroups these training courses.

Kubernetes and containers (CNCF)

Kubernetes is the container orchestration standard. Our catalogue covers Docker (Fundamentals, Administration, DCA), Kubernetes (Fundamentals, Advanced) and all CNCF certifications (KCNA, KCSA, CKA, CKAD, CKS, PCA). The containerisation and orchestration sub-domain regroups these training courses.

Infrastructure as Code (Terraform, Ansible)

Infrastructure as code now structures provisioning and configuration management. Our catalogue covers Terraform (Fundamentals, HashiCorp Associate certification) and Ansible (Fundamentals, Advanced, Tower). The automation and IaC sub-domain regroups these training courses.

CI/CD and observability (GitLab, Jenkins, Prometheus)

The open source CI/CD chain relies on GitLab CI/CD and Jenkins, naturally complemented by Prometheus and Grafana observability tools. Our catalogue covers Git, GitLab CI/CD (Fundamentals, Advanced, Associate certification), Jenkins (Fundamentals, Advanced) and Prometheus PCA observability. The CI/CD versioning delivery and observability, security and delivery sub-domains regroup these training courses.

Open source languages (Python, Java, JavaScript)

Python (data engineering, scripting, AI), Java (enterprise back-end) and JavaScript with Node.js and TypeScript (front-end, Node back-end) are widely used open source languages in French-speaking Switzerland. Our catalogue covers fundamentals and advanced usages. The programming languages sub-domain regroups these training courses.

Databases and streaming (PostgreSQL, MongoDB, Cassandra, Kafka)

Open source relational databases (PostgreSQL), NoSQL (MongoDB, Cassandra) and event streaming (Apache Kafka) constitute an essential family for data and back-end engineers. The database design and development sub-domain regroups these training courses.

Build your Open Source path according to your profile

A developer or administrator ramping up on DevOps follows Linux Essentials then Docker Fundamentals, then Kubernetes Fundamentals to reach the cloud-native foundation. A DevOps engineer industrialising deployments adds Terraform Fundamentals and GitLab CI/CD Fundamentals. A confirmed SRE prepares CKA then PCA to formalise mastery. A data engineer follows Python, PostgreSQL and Kafka Fundamentals. A Java or Node.js back-end developer progresses via open source languages and complements with databases. Our pedagogical team guides you towards the sequence suited to your role and level.

Featured courses in this catalogue

Here is a selection of reference training courses in this catalogue, accessible directly:

• Angular
• Programming Objects with C++ – Fundamentals
• Programming Objects with C++, Advanced
• Django
• Docker – Fundamentals
• Git – Fundamentals
• Introduction to Hadoop Development
• Jenkins – Fundamentals

Open Source and related skills

Open source training fits into a broader IT ecosystem. The cloud computing sub-domain covers Azure, AWS and GCP, platforms on which open source workloads largely run. DevOps development training broadens the perspective with continuous delivery practices. The audit and cybersecurity sub-domain covers application and infrastructure security. Object-oriented programming training brings software design best practices complementary to open source languages. The software testing domain structures the application quality of open source projects.

Open Source trends in 2026

Several evolutions are shaping open source in 2026. Kubernetes remains the dominant cloud-native orchestration platform, complemented by GitOps (ArgoCD, Flux) and OpenTelemetry observability. Supply chain security (SBOM, Cosign Sigstore signatures, SLSA attestations) is gaining importance. Open source AI agents (LangChain, LlamaIndex, Hugging Face) transform data and AI workflows. CI/CD chain hardening via DevSecOps becomes a central topic. OpenTofu (open source fork of Terraform) is gaining ground, and edge-oriented Linux distributions (k3s, MicroK8s) open new use cases. Our pedagogical content regularly integrates these evolutions to remain aligned with current company practices.

Open Source training in Geneva, Lausanne and online

All our open source training courses are available on-site in our Geneva and Lausanne centres, as well as in interactive virtual classroom with a live trainer. Our sessions are organised in 5-week cycles, which makes registration fast and planning smooth for working engineers. Each session includes hands-on labs on real environments (Kubernetes clusters, Linux servers, PostgreSQL and MongoDB databases). Customised corporate training is also possible at your premises, in Geneva, Lausanne, Vaud and across French-speaking Switzerland, with a programme adapted to your internal open source stack.

Why choose ITTA

ITTA offers a training catalogue, official partner of CNCF, HashiCorp and GitLab. Our open source trainers are engineers and architects active in cloud-native production projects for Swiss and international companies, allowing them to share current concrete cases and configurations directly usable. The open source catalogue contains more than training courses covering Linux, Kubernetes, Docker, Terraform, Ansible, GitLab, Jenkins, Prometheus, Python, Java, PostgreSQL, MongoDB and Kafka. Our pedagogical team supports you in choosing the right path, preparing the certifications and identifying the funding solutions that fit your professional situation.

FAQ

Is Linux mastery required before cloud-native training?

Yes, particularly for Kubernetes, Docker, Ansible and DevOps practices. Good Linux ease (command line, services, processes, network) is highly recommended. The Linux Essentials training in the systems and networking sub-domain constitutes an excellent prelude for non-Linux profiles.

Which open source certifications are widely used in Switzerland?

CKA, CKAD and CKS (CNCF Kubernetes) are among widely used certifications. HashiCorp Terraform Associate is highly valued. Docker DCA remains relevant. For CI/CD, GitLab CI/CD Associate is gaining visibility. Linux Foundation and Red Hat (RHCSA, RHCE) remain references in historical Linux organisations. Our pedagogical team guides you according to your role and target.

Open source and enterprise: is the stack really reliable?

Yes. The vast majority of large cloud infrastructures, from banks to international organisations, largely rely on open source bricks in production (Linux, Kubernetes, PostgreSQL, Kafka, Python, Java). Microsoft, AWS, Google commercial vendors themselves rely massively on open source. Investing in open source training is a sustainable choice.

Are your open source courses available for companies?

Yes, the entire catalogue is available in-house, in Geneva, Lausanne and in virtual classroom, with a programme adapted to your internal stack. Our team builds the specifications with you and organises sessions according to your calendar.