# DDN - **Answer**: DDN builds mostly with Python, C++, Go, Bash. Its stack also includes Linux, Kubernetes, OpenTelemetry, PyTorch. Linux is named in 51 of the 129 job postings DDN published in the last 12 months (40%). Counted by Alion from the job postings of DDN, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 129 - **Open postings**: 81 - **Technologies in use**: 187 - **Modernity score**: 79 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 672909 - **Name**: DDN - **Domain**: ddn.com - **Url**: ## Technologies - **HPC** — Layer: practices; Postings: 54; Share: 0.4186; Required: 38; Open postings: 38; First seen: 2026-07-15 - **Linux** — Layer: cloud; Postings: 51; Share: 0.3953; Required: 46; Open postings: 39; First seen: 2026-07-15 - **Kubernetes** — Layer: cloud; Postings: 37; Share: 0.2868; Required: 28; Open postings: 20; First seen: 2026-07-15 - **Python** — Layer: languages; Postings: 34; Share: 0.2636; Required: 28; Open postings: 20; First seen: 2026-07-15 - **CI/CD** — Layer: practices; Postings: 30; Share: 0.2326; Required: 24; Open postings: 18; First seen: 2026-07-15 - **C++** — Layer: languages; Postings: 26; Share: 0.2016; Required: 26; Open postings: 16; First seen: 2026-07-15 - **Amazon S3** — Layer: cloud; Postings: 26; Share: 0.2016; Required: 25; Open postings: 19; First seen: 2026-07-15 - **InfiniBand** — Layer: tools; Postings: 19; Share: 0.1473; Required: 18; Open postings: 12; First seen: 2026-07-15 - **TCP/IP** — Layer: practices; Postings: 18; Share: 0.1395; Required: 14; Open postings: 9; First seen: 2026-07-15 - **Rest API** — Layer: tools; Postings: 17; Share: 0.1318; Required: 16; Open postings: 7; First seen: 2026-07-16 - **Docker** — Layer: tools; Postings: 15; Share: 0.1163; Required: 11; Open postings: 8; First seen: 2026-07-15 - **Prometheus** — Layer: tools; Postings: 14; Share: 0.1085; Required: 4; Open postings: 10; First seen: 2026-07-15 - **LLM** — Layer: ai; Postings: 12; Share: 0.093; Required: 8; Open postings: 7; First seen: 2026-07-16 - **Go** — Layer: languages; Postings: 11; Share: 0.0853; Required: 10; Open postings: 5; First seen: 2026-07-15 - **GCP** — Layer: cloud; Postings: 11; Share: 0.0853; Required: 9; Open postings: 4; First seen: 2026-07-15 - **Bash** — Layer: languages; Postings: 11; Share: 0.0853; Required: 8; Open postings: 10; First seen: 2026-07-15 - **Git** — Layer: tools; Postings: 11; Share: 0.0853; Required: 8; Open postings: 9; First seen: 2026-07-15 - **Grafana** — Layer: cloud; Postings: 11; Share: 0.0853; Required: 4; Open postings: 8; First seen: 2026-07-15 - **Java** — Layer: languages; Postings: 10; Share: 0.0775; Required: 8; Open postings: 3; First seen: 2026-07-31 - **AWS** — Layer: cloud; Postings: 10; Share: 0.0775; Required: 4; Open postings: 7; First seen: 2026-07-16 - **Jenkins** — Layer: tools; Postings: 9; Share: 0.0698; Required: 7; Open postings: 7; First seen: 2026-07-15 - **Physical AI** — Layer: practices; Postings: 8; Share: 0.062; Required: 8; Open postings: 3; First seen: 2026-07-16 - **Sensor Fusion** — Layer: practices; Postings: 8; Share: 0.062; Required: 8; Open postings: 3; First seen: 2026-07-16 - **AI Agents** — Layer: practices; Postings: 8; Share: 0.062; Required: 7; Open postings: 4; First seen: 2026-07-15 - **RAG** — Layer: practices; Postings: 8; Share: 0.062; Required: 6; Open postings: 5; First seen: 2026-07-15 - **Azure** — Layer: cloud; Postings: 8; Share: 0.062; Required: 3; Open postings: 5; First seen: 2026-07-16 - **OpenTelemetry** — Layer: frameworks; Postings: 8; Share: 0.062; Required: 3; Open postings: 6; First seen: 2026-07-15 - **SQL** — Layer: languages; Postings: 7; Share: 0.0543; Required: 6; Open postings: 4; First seen: 2026-07-21 - **Claude** — Layer: ai; Postings: 7; Share: 0.0543; Required: 5; Open postings: 5; First seen: 2026-07-16 - **Active Directory** — Layer: cloud; Postings: 7; Share: 0.0543; Required: 3; Open postings: 6; First seen: 2026-07-15 - **Platform Engineering** — Layer: practices; Postings: 6; Share: 0.0465; Required: 6; Open postings: 4; First seen: 2026-07-16 - **Rust** — Layer: languages; Postings: 6; Share: 0.0465; Required: 6; Open postings: 4; First seen: 2026-07-16 - **Unix** — Layer: cloud; Postings: 6; Share: 0.0465; Required: 6; Open postings: 4; First seen: 2026-07-16 - **Microsoft Excel** — Layer: tools; Postings: 6; Share: 0.0465; Required: 5; Open postings: 4; First seen: 2026-07-16 - **Ansible** — Layer: tools; Postings: 6; Share: 0.0465; Required: 4; Open postings: 5; First seen: 2026-07-15 - **PyTorch** — Layer: frameworks; Postings: 6; Share: 0.0465; Required: 4; Open postings: 5; First seen: 2026-07-15 - **OpenStack** — Layer: tools; Postings: 6; Share: 0.0465; Required: 3; Open postings: 5; First seen: 2026-07-16 - **GitHub Actions** — Layer: cloud; Postings: 5; Share: 0.0388; Required: 5; Open postings: 3; First seen: 2026-07-15 - **KV Cache** — Layer: practices; Postings: 5; Share: 0.0388; Required: 5; Open postings: 4; First seen: 2026-07-31 - **NVIDIA NeMo** — Layer: frameworks; Postings: 5; Share: 0.0388; Required: 5; Open postings: 3; First seen: 2026-07-15 - **SOAP** — Layer: practices; Postings: 5; Share: 0.0388; Required: 5; Open postings: 2; First seen: 2026-07-16 - **Windows** — Layer: cloud; Postings: 5; Share: 0.0388; Required: 5; Open postings: 3; First seen: 2026-07-15 - **Helm** — Layer: tools; Postings: 5; Share: 0.0388; Required: 4; Open postings: 2; First seen: 2026-07-15 - **LDAP** — Layer: cloud; Postings: 5; Share: 0.0388; Required: 3; Open postings: 5; First seen: 2026-07-15 - **Agentic Workflows** — Layer: practices; Postings: 4; Share: 0.031; Required: 4; Open postings: 2; First seen: 2026-07-15 - **IAM** — Layer: practices; Postings: 4; Share: 0.031; Required: 4; Open postings: 3; First seen: 2026-07-21 - **Incident Management** — Layer: practices; Postings: 4; Share: 0.031; Required: 4; Open postings: 2; First seen: 2026-08-04 - **Apex** — Layer: languages; Postings: 4; Share: 0.031; Required: 3; Open postings: 3; First seen: 2026-07-16 - **GitHub** — Layer: cloud; Postings: 4; Share: 0.031; Required: 3; Open postings: 4; First seen: 2026-07-15 - **LLM Guardrails** — Layer: practices; Postings: 4; Share: 0.031; Required: 3; Open postings: 1; First seen: 2026-07-16 - … 137 more in the JSON form ## Changes ### First appeared - **Model Context Protocol** — First seen: 2026-10-16 ### Rising - **OpenStack** — Share from: 2; Share to: 7 - **Hadoop** — Share from: 0; Share to: 4 - **Spring Framework** — Share from: 0; Share to: 4 - **VMWare** — Share from: 0; Share to: 4 - **Cerebras** — Share from: 0; Share to: 4 - **TPU** — Share from: 0; Share to: 4 - **SOAP** — Share from: 2; Share to: 5 - **Windows** — Share from: 2; Share to: 5 ### Falling - **C++** — Share from: 27; Share to: 15 - **Go** — Share from: 14; Share to: 4 - **KV Cache** — Share from: 9; Share to: 0 - **RAG** — Share from: 11; Share to: 3 - **TCP/IP** — Share from: 18; Share to: 11 - **Terraform** — Share from: 7; Share to: 0 - **NVIDIA NeMo** — Share from: 7; Share to: 1 - **LDAP** — Share from: 7; Share to: 1 ## Similar stacks - [NetApp](https://alion.io/company/netapp/technologies) — Shared technologies: 127 - [Everpure](https://alion.io/company/everpure/technologies) — Shared technologies: 143 - [Mirantis](https://alion.io/company/mirantis/technologies) — Shared technologies: 119 - [Dell Technologies](https://alion.io/company/dell-technologies/technologies) — Shared technologies: 148 - [Crusoe](https://alion.io/company/crusoe-ai/technologies) — Shared technologies: 131 - [Akamai](https://alion.io/company/akamai/technologies) — Shared technologies: 130 - [T-Systems Iberia](https://alion.io/company/t-systems-iberia/technologies) — Shared technologies: 116 - [CrowdStrike](https://alion.io/company/crowdstrike/technologies) — Shared technologies: 157 --- [Page](https://alion.io/company/ddn/technologies) · [JSON](https://alion.io/company/ddn/technologies.json) Source: Alion (alion.io), 2026-11-12. 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