# Drees & Sommer - **Answer**: Drees & Sommer builds mostly with Python, PowerShell, JavaScript, SQL. Its stack also includes Power BI, Azure, drei, React Three Fiber. Power BI is named in 44 of the 151 job postings Drees & Sommer published in the last 12 months (29%). Counted by Alion from the job postings of Drees & Sommer, updated Nov 15, 2026. - **Window days**: 365 - **Postings analysed**: 151 - **Open postings**: 71 - **Technologies in use**: 60 - **Modernity score**: 82 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 99130 - **Name**: Drees & Sommer - **Domain**: dreso.com - **Url**: ## Technologies - **Power BI** — Layer: cloud; Postings: 44; Share: 0.2914; Required: 36; Open postings: 16; First seen: 2026-02-19 - **AutoCAD** — Layer: tools; Postings: 34; Share: 0.2252; Required: 30; Open postings: 22; First seen: 2026-05-26 - **Azure** — Layer: cloud; Postings: 32; Share: 0.2119; Required: 32; Open postings: 16; First seen: 2026-05-26 - **Microsoft Entra ID** — Layer: cloud; Postings: 28; Share: 0.1854; Required: 28; Open postings: 10; First seen: 2026-07-29 - **Python** — Layer: languages; Postings: 28; Share: 0.1854; Required: 20; Open postings: 17; First seen: 2026-05-26 - **Windows** — Layer: cloud; Postings: 27; Share: 0.1788; Required: 27; Open postings: 11; First seen: 2026-05-26 - **Linux** — Layer: cloud; Postings: 27; Share: 0.1788; Required: 25; Open postings: 9; First seen: 2026-05-26 - **GCP** — Layer: cloud; Postings: 25; Share: 0.1656; Required: 25; Open postings: 14; First seen: 2026-09-11 - **PowerShell** — Layer: languages; Postings: 24; Share: 0.1589; Required: 24; Open postings: 9; First seen: 2026-09-11 - **AWS** — Layer: cloud; Postings: 20; Share: 0.1325; Required: 20; Open postings: 8; First seen: 2026-09-11 - **Ansible** — Layer: tools; Postings: 18; Share: 0.1192; Required: 18; Open postings: 8; First seen: 2026-09-11 - **OpenTofu** — Layer: tools; Postings: 18; Share: 0.1192; Required: 18; Open postings: 8; First seen: 2026-09-11 - **Terraform** — Layer: tools; Postings: 18; Share: 0.1192; Required: 18; Open postings: 8; First seen: 2026-09-11 - **Copilot** — Layer: tools; Postings: 14; Share: 0.0927; Required: 9; Open postings: 4; First seen: 2026-07-13 - **JavaScript** — Layer: languages; Postings: 12; Share: 0.0795; Required: 1; Open postings: 10; First seen: 2026-07-13 - **ChatGPT** — Layer: ai; Postings: 10; Share: 0.0662; Required: 10; Open postings: 1; First seen: 2026-06-25 - **SQL** — Layer: languages; Postings: 10; Share: 0.0662; Required: 10; Open postings: 7; First seen: 2026-07-13 - **drei** — Layer: frameworks; Postings: 8; Share: 0.053; Required: 8; Open postings: 8; First seen: 2026-11-03 - **React Three Fiber** — Layer: frameworks; Postings: 8; Share: 0.053; Required: 0; Open postings: 8; First seen: 2026-11-03 - **ETL/ELT** — Layer: practices; Postings: 7; Share: 0.0464; Required: 7; Open postings: 6; First seen: 2026-10-05 - **LangChain** — Layer: frameworks; Postings: 7; Share: 0.0464; Required: 7; Open postings: 0; First seen: 2026-09-01 - **Active Directory** — Layer: cloud; Postings: 6; Share: 0.0397; Required: 6; Open postings: 1; First seen: 2026-05-26 - **LlamaIndex** — Layer: frameworks; Postings: 6; Share: 0.0397; Required: 6; Open postings: 0; First seen: 2026-09-01 - **Copilot Studio** — Layer: cloud; Postings: 5; Share: 0.0331; Required: 0; Open postings: 0; First seen: 2026-09-15 - **IAM** — Layer: practices; Postings: 4; Share: 0.0265; Required: 4; Open postings: 1; First seen: 2026-07-29 - **LLM** — Layer: ai; Postings: 4; Share: 0.0265; Required: 4; Open postings: 2; First seen: 2026-09-10 - **Model Context Protocol** — Layer: tools; Postings: 4; Share: 0.0265; Required: 4; Open postings: 2; First seen: 2026-09-10 - **RAG** — Layer: practices; Postings: 4; Share: 0.0265; Required: 4; Open postings: 2; First seen: 2026-09-10 - **Windows Server** — Layer: cloud; Postings: 4; Share: 0.0265; Required: 4; Open postings: 1; First seen: 2026-07-29 - **CI/CD** — Layer: practices; Postings: 3; Share: 0.0199; Required: 3; Open postings: 2; First seen: 2026-09-10 - **Context Engineering** — Layer: practices; Postings: 3; Share: 0.0199; Required: 3; Open postings: 2; First seen: 2026-09-10 - **Docker** — Layer: tools; Postings: 3; Share: 0.0199; Required: 3; Open postings: 2; First seen: 2026-09-10 - **FastAPI** — Layer: frameworks; Postings: 3; Share: 0.0199; Required: 3; Open postings: 2; First seen: 2026-09-10 - **Fine-tuning** — Layer: practices; Postings: 3; Share: 0.0199; Required: 3; Open postings: 2; First seen: 2026-09-10 - **Incident Management** — Layer: practices; Postings: 3; Share: 0.0199; Required: 3; Open postings: 0; First seen: 2026-09-10 - **Machine Learning** — Layer: practices; Postings: 3; Share: 0.0199; Required: 3; Open postings: 1; First seen: 2026-09-18 - **Prompt Engineering** — Layer: practices; Postings: 3; Share: 0.0199; Required: 3; Open postings: 0; First seen: 2026-09-01 - **React.js** — Layer: frameworks; Postings: 3; Share: 0.0199; Required: 3; Open postings: 2; First seen: 2026-09-10 - **TypeScript** — Layer: languages; Postings: 3; Share: 0.0199; Required: 3; Open postings: 2; First seen: 2026-09-10 - **TCP/IP** — Layer: practices; Postings: 3; Share: 0.0199; Required: 0; Open postings: 1; First seen: 2026-09-15 - **DHCP** — Layer: practices; Postings: 2; Share: 0.0132; Required: 2; Open postings: 0; First seen: 2026-05-26 - **DNS** — Layer: practices; Postings: 2; Share: 0.0132; Required: 2; Open postings: 0; First seen: 2026-05-26 - **VPN** — Layer: practices; Postings: 2; Share: 0.0132; Required: 2; Open postings: 0; First seen: 2026-05-26 - **A2A** — Layer: tools; Postings: 1; Share: 0.0066; Required: 1; Open postings: 0; First seen: 2026-09-18 - **AI Agents** — Layer: practices; Postings: 1; Share: 0.0066; Required: 1; Open postings: 0; First seen: 2026-09-18 - **AWS Strands Agents** — Layer: frameworks; Postings: 1; Share: 0.0066; Required: 1; Open postings: 0; First seen: 2026-09-18 - **Adobe Premiere Pro** — Layer: tools; Postings: 1; Share: 0.0066; Required: 1; Open postings: 0; First seen: 2026-08-03 - **C#** — Layer: languages; Postings: 1; Share: 0.0066; Required: 1; Open postings: 0; First seen: 2026-08-13 - **Function Calling** — Layer: practices; Postings: 1; Share: 0.0066; Required: 1; Open postings: 1; First seen: 2026-11-06 - **LLM Guardrails** — Layer: practices; Postings: 1; Share: 0.0066; Required: 1; Open postings: 1; First seen: 2026-11-06 - … 10 more in the JSON form ## Changes ### First appeared - **drei** — First seen: 2026-11-03 - **React Three Fiber** — First seen: 2026-11-03 - **ETL/ELT** — First seen: 2026-10-05 - **Machine Learning** — First seen: 2026-09-18 - **TCP/IP** — First seen: 2026-09-15 - **Copilot Studio** — First seen: 2026-09-15 - **GCP** — First seen: 2026-09-11 - **PowerShell** — First seen: 2026-09-11 ### Rising - **Azure** — Share from: 4; Share to: 30 - **Microsoft Entra ID** — Share from: 2; Share to: 27 - **GCP** — Share from: 0; Share to: 25 - **PowerShell** — Share from: 0; Share to: 24 - **Linux** — Share from: 4; Share to: 25 - **AWS** — Share from: 0; Share to: 20 - **Ansible** — Share from: 0; Share to: 18 - **OpenTofu** — Share from: 0; Share to: 18 ### Falling - **Power BI** — Share from: 52; Share to: 14 - **AutoCAD** — Share from: 33; Share to: 19 ## Similar stacks - [Cyncly](https://alion.io/company/cyncly/technologies) — Shared technologies: 49 - [Signify](https://alion.io/company/signify/technologies) — Shared technologies: 50 - [GIC](https://alion.io/company/gic/technologies) — Shared technologies: 51 - [Invesco](https://alion.io/company/invesco/technologies) — Shared technologies: 50 - [Volkswagen Group](https://alion.io/company/volkswagen-group/technologies) — Shared technologies: 50 - [Telstra Group](https://alion.io/company/telstra/technologies) — Shared technologies: 49 - [Sonata Software](https://alion.io/company/sonata-software/technologies) — Shared technologies: 50 - [Mattel](https://alion.io/company/mattel-inc/technologies) — Shared technologies: 50 --- [Page](https://alion.io/company/dreso-2/technologies) · [JSON](https://alion.io/company/dreso-2/technologies.json) Source: Alion (alion.io), 2026-11-15. 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