# ETAP - **Answer**: ETAP builds mostly with C#, Python, SQL, C++. Its stack also includes Windows, .NET, Oracle, MongoDB. C# is named in 27 of the 99 job postings ETAP published in the last 12 months (27%). Counted by Alion from the job postings of ETAP, updated Nov 14, 2026. - **Window days**: 365 - **Postings analysed**: 99 - **Open postings**: 57 - **Technologies in use**: 120 - **Modernity score**: 73 - **Ai adoption**: yes - **Own products**: ETAP - **License**: CC BY-SA 4.0 ## Company - **Id**: 20126 - **Name**: ETAP - **Domain**: etap.com - **Url**: ## Technologies - **Digital Twin** — Layer: practices; Postings: 96; Share: 0.9697; Required: 96; Open postings: 55; First seen: 2025-03-27 - **C#** — Layer: languages; Postings: 27; Share: 0.2727; Required: 24; Open postings: 12; First seen: 2026-02-18 - **Python** — Layer: languages; Postings: 27; Share: 0.2727; Required: 20; Open postings: 13; First seen: 2026-03-05 - **SQL** — Layer: languages; Postings: 22; Share: 0.2222; Required: 19; Open postings: 10; First seen: 2026-05-26 - **C++** — Layer: languages; Postings: 17; Share: 0.1717; Required: 14; Open postings: 9; First seen: 2026-02-18 - **PowerShell** — Layer: languages; Postings: 10; Share: 0.101; Required: 6; Open postings: 3; First seen: 2026-07-08 - **Microsoft Excel** — Layer: tools; Postings: 10; Share: 0.101; Required: 5; Open postings: 5; First seen: 2026-03-05 - **JavaScript** — Layer: languages; Postings: 9; Share: 0.0909; Required: 7; Open postings: 5; First seen: 2026-06-12 - **Windows** — Layer: cloud; Postings: 8; Share: 0.0808; Required: 7; Open postings: 8; First seen: 2026-05-26 - **.NET** — Layer: cloud; Postings: 8; Share: 0.0808; Required: 6; Open postings: 3; First seen: 2026-07-22 - **OPC UA** — Layer: tools; Postings: 7; Share: 0.0707; Required: 6; Open postings: 5; First seen: 2026-07-08 - **Rest API** — Layer: tools; Postings: 6; Share: 0.0606; Required: 5; Open postings: 3; First seen: 2026-07-08 - **Azure** — Layer: cloud; Postings: 6; Share: 0.0606; Required: 2; Open postings: 3; First seen: 2026-06-12 - **PSCAD** — Layer: tools; Postings: 5; Share: 0.0505; Required: 5; Open postings: 5; First seen: 2026-06-05 - **TCP/IP** — Layer: practices; Postings: 5; Share: 0.0505; Required: 5; Open postings: 3; First seen: 2026-07-30 - **VLAN** — Layer: practices; Postings: 5; Share: 0.0505; Required: 5; Open postings: 0; First seen: 2026-07-24 - **Power BI** — Layer: cloud; Postings: 5; Share: 0.0505; Required: 4; Open postings: 4; First seen: 2026-06-22 - **VMWare** — Layer: cloud; Postings: 5; Share: 0.0505; Required: 4; Open postings: 1; First seen: 2026-07-24 - **AutoCAD** — Layer: tools; Postings: 5; Share: 0.0505; Required: 3; Open postings: 3; First seen: 2026-01-22 - **Oracle** — Layer: data; Postings: 5; Share: 0.0505; Required: 3; Open postings: 1; First seen: 2026-07-24 - **CI/CD** — Layer: practices; Postings: 4; Share: 0.0404; Required: 4; Open postings: 1; First seen: 2026-04-03 - **Entity Framework Core** — Layer: frameworks; Postings: 4; Share: 0.0404; Required: 4; Open postings: 2; First seen: 2026-07-08 - **AWS** — Layer: cloud; Postings: 4; Share: 0.0404; Required: 3; Open postings: 2; First seen: 2026-07-20 - **MATLAB** — Layer: languages; Postings: 4; Share: 0.0404; Required: 3; Open postings: 2; First seen: 2026-06-16 - **MongoDB** — Layer: data; Postings: 4; Share: 0.0404; Required: 3; Open postings: 0; First seen: 2026-07-24 - **TypeScript** — Layer: languages; Postings: 4; Share: 0.0404; Required: 3; Open postings: 1; First seen: 2026-06-12 - **Docker** — Layer: tools; Postings: 4; Share: 0.0404; Required: 2; Open postings: 3; First seen: 2026-06-12 - **Postman** — Layer: cloud; Postings: 3; Share: 0.0303; Required: 3; Open postings: 1; First seen: 2026-07-08 - **SQLite** — Layer: data; Postings: 3; Share: 0.0303; Required: 3; Open postings: 1; First seen: 2026-05-26 - **Structured Text** — Layer: languages; Postings: 3; Share: 0.0303; Required: 3; Open postings: 2; First seen: 2026-08-13 - **Windows Server** — Layer: cloud; Postings: 3; Share: 0.0303; Required: 3; Open postings: 2; First seen: 2026-08-13 - **DNP3** — Layer: tools; Postings: 3; Share: 0.0303; Required: 2; Open postings: 1; First seen: 2026-08-13 - **IEC 61850** — Layer: tools; Postings: 3; Share: 0.0303; Required: 2; Open postings: 1; First seen: 2026-08-13 - **Node JS** — Layer: languages; Postings: 3; Share: 0.0303; Required: 1; Open postings: 1; First seen: 2026-06-12 - **Wireshark** — Layer: tools; Postings: 3; Share: 0.0303; Required: 1; Open postings: 0; First seen: 2026-07-08 - **Blazor** — Layer: frameworks; Postings: 2; Share: 0.0202; Required: 2; Open postings: 1; First seen: 2026-06-12 - **Fortran** — Layer: languages; Postings: 2; Share: 0.0202; Required: 2; Open postings: 2; First seen: 2026-02-18 - **Git** — Layer: tools; Postings: 2; Share: 0.0202; Required: 2; Open postings: 2; First seen: 2026-06-12 - **GitHub** — Layer: cloud; Postings: 2; Share: 0.0202; Required: 2; Open postings: 1; First seen: 2026-08-17 - **IEEE 1547** — Layer: practices; Postings: 2; Share: 0.0202; Required: 2; Open postings: 1; First seen: 2026-03-05 - **Machine Learning** — Layer: practices; Postings: 2; Share: 0.0202; Required: 2; Open postings: 2; First seen: 2026-06-12 - **PSS/E** — Layer: tools; Postings: 2; Share: 0.0202; Required: 2; Open postings: 2; First seen: 2026-06-05 - **PostgreSQL** — Layer: data; Postings: 2; Share: 0.0202; Required: 2; Open postings: 1; First seen: 2026-06-12 - **STL** — Layer: frameworks; Postings: 2; Share: 0.0202; Required: 2; Open postings: 2; First seen: 2026-06-04 - **Selenium** — Layer: frameworks; Postings: 2; Share: 0.0202; Required: 2; Open postings: 1; First seen: 2026-08-17 - **Visual Basic** — Layer: languages; Postings: 2; Share: 0.0202; Required: 2; Open postings: 1; First seen: 2026-08-17 - **Azure DevOps** — Layer: cloud; Postings: 2; Share: 0.0202; Required: 1; Open postings: 2; First seen: 2026-10-14 - **Jest** — Layer: frameworks; Postings: 2; Share: 0.0202; Required: 1; Open postings: 0; First seen: 2026-06-12 - **NERC CIP** — Layer: practices; Postings: 2; Share: 0.0202; Required: 1; Open postings: 2; First seen: 2026-06-05 - **OpenGL** — Layer: frameworks; Postings: 2; Share: 0.0202; Required: 1; Open postings: 1; First seen: 2026-09-10 - … 70 more in the JSON form ## Changes ### First appeared - **Azure DevOps** — First seen: 2026-10-14 - **OpenGL** — First seen: 2026-09-10 - **GitHub** — First seen: 2026-08-17 - **Selenium** — First seen: 2026-08-17 - **Visual Basic** — First seen: 2026-08-17 - **Structured Text** — First seen: 2026-08-13 - **Windows Server** — First seen: 2026-08-13 - **DNP3** — First seen: 2026-08-13 ### Rising - **.NET** — Share from: 5; Share to: 12 - **CI/CD** — Share from: 0; Share to: 6 - **TCP/IP** — Share from: 3; Share to: 8 - **Entity Framework Core** — Share from: 3; Share to: 6 ### Falling - **Microsoft Excel** — Share from: 16; Share to: 6 - **TypeScript** — Share from: 8; Share to: 2 - **PSCAD** — Share from: 8; Share to: 4 - **Power BI** — Share from: 8; Share to: 4 - **VMWare** — Share from: 8; Share to: 4 ## Similar stacks - [Wabtec](https://alion.io/company/wabtec/technologies) — Shared technologies: 74 - [WSP](https://alion.io/company/wsp-ca/technologies) — Shared technologies: 74 - [AVEVA](https://alion.io/company/aveva/technologies) — Shared technologies: 73 - [ABB](https://alion.io/company/abb/technologies) — Shared technologies: 89 - [Honeywell](https://alion.io/company/honeywell-com/technologies) — Shared technologies: 95 - [Magna](https://alion.io/company/magna-com/technologies) — Shared technologies: 78 - [Emerson](https://alion.io/company/emerson/technologies) — Shared technologies: 85 - [Alstom](https://alion.io/company/alstom/technologies) — Shared technologies: 73 --- [Page](https://alion.io/company/etap/technologies) · [JSON](https://alion.io/company/etap/technologies.json) Source: Alion (alion.io), 2026-11-14. 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