# Sierra Space - **Answer**: Sierra Space builds mostly with Python, MATLAB, C++, SQL. Its stack also includes Power BI, AWS, MySQL, PostgreSQL. Python is named in 73 of the 205 job postings Sierra Space published in the last 12 months (36%). Counted by Alion from the job postings of Sierra Space, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 205 - **Open postings**: 119 - **Technologies in use**: 133 - **Modernity score**: 66 - **Ai adoption**: no - **License**: CC BY-SA 4.0 ## Company - **Id**: 58801 - **Name**: Sierra Space - **Domain**: sierraspace.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 73; Share: 0.3561; Required: 0; Open postings: 40; First seen: 2026-02-10 - **MATLAB** — Layer: languages; Postings: 66; Share: 0.322; Required: 3; Open postings: 37; First seen: 2026-01-21 - **Verification & Validation** — Layer: practices; Postings: 38; Share: 0.1854; Required: 5; Open postings: 28; First seen: 2026-01-21 - **C++** — Layer: languages; Postings: 35; Share: 0.1707; Required: 0; Open postings: 23; First seen: 2025-12-22 - **SysML** — Layer: tools; Postings: 32; Share: 0.1561; Required: 0; Open postings: 25; First seen: 2025-12-22 - **CI/CD** — Layer: practices; Postings: 29; Share: 0.1415; Required: 8; Open postings: 19; First seen: 2026-02-10 - **Git** — Layer: tools; Postings: 26; Share: 0.1268; Required: 22; Open postings: 15; First seen: 2025-12-22 - **Power BI** — Layer: cloud; Postings: 26; Share: 0.1268; Required: 0; Open postings: 7; First seen: 2026-05-11 - **AWS** — Layer: cloud; Postings: 25; Share: 0.122; Required: 3; Open postings: 17; First seen: 2026-05-08 - **Azure** — Layer: cloud; Postings: 25; Share: 0.122; Required: 3; Open postings: 18; First seen: 2026-04-17 - **Cameo Systems Modeler** — Layer: tools; Postings: 25; Share: 0.122; Required: 1; Open postings: 19; First seen: 2026-01-21 - **IBM DOORS** — Layer: tools; Postings: 23; Share: 0.1122; Required: 1; Open postings: 17; First seen: 2026-01-21 - **SQL** — Layer: languages; Postings: 21; Share: 0.1024; Required: 9; Open postings: 5; First seen: 2026-05-20 - **Linux** — Layer: cloud; Postings: 21; Share: 0.1024; Required: 3; Open postings: 16; First seen: 2025-12-22 - **SolidWorks** — Layer: tools; Postings: 20; Share: 0.0976; Required: 0; Open postings: 9; First seen: 2026-06-23 - **Kubernetes** — Layer: cloud; Postings: 19; Share: 0.0927; Required: 3; Open postings: 11; First seen: 2026-05-08 - **Docker** — Layer: tools; Postings: 19; Share: 0.0927; Required: 0; Open postings: 12; First seen: 2026-03-12 - **GD&T** — Layer: practices; Postings: 18; Share: 0.0878; Required: 1; Open postings: 15; First seen: 2026-06-23 - **Ansible** — Layer: tools; Postings: 15; Share: 0.0732; Required: 3; Open postings: 9; First seen: 2026-03-12 - **GCP** — Layer: cloud; Postings: 15; Share: 0.0732; Required: 0; Open postings: 10; First seen: 2026-06-24 - **GitHub** — Layer: cloud; Postings: 14; Share: 0.0683; Required: 0; Open postings: 8; First seen: 2026-05-08 - **GitLab** — Layer: cloud; Postings: 14; Share: 0.0683; Required: 0; Open postings: 8; First seen: 2026-05-08 - **AS9100** — Layer: practices; Postings: 12; Share: 0.0585; Required: 4; Open postings: 10; First seen: 2026-07-30 - **Windows** — Layer: cloud; Postings: 12; Share: 0.0585; Required: 3; Open postings: 10; First seen: 2026-02-10 - **Jenkins** — Layer: tools; Postings: 12; Share: 0.0585; Required: 0; Open postings: 8; First seen: 2026-06-24 - **PowerShell** — Layer: languages; Postings: 12; Share: 0.0585; Required: 0; Open postings: 7; First seen: 2026-05-08 - **Altium Designer** — Layer: tools; Postings: 11; Share: 0.0537; Required: 0; Open postings: 4; First seen: 2026-06-26 - **AutoCAD** — Layer: tools; Postings: 11; Share: 0.0537; Required: 0; Open postings: 4; First seen: 2026-06-26 - **Bitbucket** — Layer: cloud; Postings: 11; Share: 0.0537; Required: 0; Open postings: 5; First seen: 2026-05-08 - **Human-in-the-Loop** — Layer: practices; Postings: 10; Share: 0.0488; Required: 6; Open postings: 8; First seen: 2025-12-22 - **Simulink** — Layer: tools; Postings: 10; Share: 0.0488; Required: 2; Open postings: 4; First seen: 2026-06-26 - **ANSYS** — Layer: tools; Postings: 10; Share: 0.0488; Required: 0; Open postings: 10; First seen: 2026-07-10 - **Chef** — Layer: tools; Postings: 9; Share: 0.0439; Required: 0; Open postings: 7; First seen: 2026-07-30 - **MySQL** — Layer: data; Postings: 9; Share: 0.0439; Required: 0; Open postings: 4; First seen: 2026-05-08 - **PostgreSQL** — Layer: data; Postings: 9; Share: 0.0439; Required: 0; Open postings: 4; First seen: 2026-05-08 - **STK** — Layer: tools; Postings: 8; Share: 0.039; Required: 1; Open postings: 8; First seen: 2026-04-10 - **Puppet** — Layer: tools; Postings: 8; Share: 0.039; Required: 0; Open postings: 5; First seen: 2026-03-12 - **JavaScript** — Layer: languages; Postings: 7; Share: 0.0341; Required: 0; Open postings: 4; First seen: 2026-02-10 - **Terraform** — Layer: tools; Postings: 6; Share: 0.0293; Required: 3; Open postings: 3; First seen: 2026-08-20 - **Microsoft Excel** — Layer: tools; Postings: 6; Share: 0.0293; Required: 1; Open postings: 4; First seen: 2026-09-14 - **CCSDS** — Layer: tools; Postings: 6; Share: 0.0293; Required: 0; Open postings: 6; First seen: 2025-12-22 - **Java** — Layer: languages; Postings: 6; Share: 0.0293; Required: 0; Open postings: 4; First seen: 2026-05-19 - **Bash** — Layer: languages; Postings: 5; Share: 0.0244; Required: 0; Open postings: 4; First seen: 2026-03-12 - **FastAPI** — Layer: frameworks; Postings: 5; Share: 0.0244; Required: 0; Open postings: 1; First seen: 2026-05-08 - **GitLab CI** — Layer: cloud; Postings: 5; Share: 0.0244; Required: 0; Open postings: 3; First seen: 2026-08-13 - **Grafana** — Layer: cloud; Postings: 5; Share: 0.0244; Required: 0; Open postings: 4; First seen: 2026-08-13 - **Nastran** — Layer: tools; Postings: 5; Share: 0.0244; Required: 0; Open postings: 5; First seen: 2026-05-14 - **Prometheus** — Layer: tools; Postings: 5; Share: 0.0244; Required: 0; Open postings: 4; First seen: 2026-08-13 - **Statistical Process Control** — Layer: practices; Postings: 5; Share: 0.0244; Required: 0; Open postings: 5; First seen: 2026-08-17 - **MBSE** — Layer: practices; Postings: 4; Share: 0.0195; Required: 2; Open postings: 4; First seen: 2026-05-27 - … 83 more in the JSON form ## Changes ### First appeared - **IAM** — First seen: 2026-10-06 - **TCP/IP** — First seen: 2026-10-06 - **SIEM** — First seen: 2026-10-05 - **GitOps** — First seen: 2026-10-01 - **OrCAD** — First seen: 2026-09-28 - **Oracle** — First seen: 2026-09-28 - **EVMS** — First seen: 2026-09-23 - **MIL-STD-461** — First seen: 2026-09-22 ### Rising - **SysML** — Share from: 10; Share to: 17 - **Linux** — Share from: 4; Share to: 11 - **Cameo Systems Modeler** — Share from: 8; Share to: 14 - **IBM DOORS** — Share from: 8; Share to: 12 - **Terraform** — Share from: 0; Share to: 4 - **Microsoft Excel** — Share from: 0; Share to: 4 - **Statistical Process Control** — Share from: 0; Share to: 4 - **GitHub** — Share from: 4; Share to: 7 ### Falling - **SQL** — Share from: 18; Share to: 9 - **JavaScript** — Share from: 8; Share to: 1 - **Power BI** — Share from: 18; Share to: 12 - **Puppet** — Share from: 8; Share to: 2 - **HyperLynx** — Share from: 6; Share to: 0 - **Ansible** — Share from: 10; Share to: 5 - **Chef** — Share from: 8; Share to: 4 - **STK** — Share from: 6; Share to: 3 ### Not seen 180d - **TestRail** — Last seen: 2026-02-10 ## Similar stacks - [AST SpaceMobile](https://alion.io/company/ast-science/technologies) — Shared technologies: 97 - [Rocket Lab](https://alion.io/company/rocketlab-2/technologies) — Shared technologies: 91 - [L3Harris Technologies](https://alion.io/company/l3harris-technologies/technologies) — Shared technologies: 118 - [Viasat](https://alion.io/company/viasat-com/technologies) — Shared technologies: 100 - [Saab](https://alion.io/company/saab/technologies) — Shared technologies: 89 - [Magna](https://alion.io/company/magna-com/technologies) — Shared technologies: 102 - [Oceaneering International](https://alion.io/company/oceaneering-international/technologies) — Shared technologies: 85 - [True Anomaly](https://alion.io/company/true-anomaly/technologies) — Shared technologies: 99 --- [Page](https://alion.io/company/sierra-space/technologies) · [JSON](https://alion.io/company/sierra-space/technologies.json) Source: Alion (alion.io), 2026-11-11. 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