# Leidos - **Answer**: Leidos builds mostly with Python, C++, JavaScript, Java. Its stack also includes Linux, AWS, PostgreSQL, Angular. Python is named in 914 of the 2,811 job postings Leidos published in the last 12 months (33%). Counted by Alion from the job postings of Leidos, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 2811 - **Open postings**: 1211 - **Technologies in use**: 691 - **Modernity score**: 74 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 7791 - **Name**: Leidos - **Domain**: leidos.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 914; Share: 0.3252; Required: 654; Open postings: 373; First seen: 2026-01-13 - **Linux** — Layer: cloud; Postings: 694; Share: 0.2469; Required: 558; Open postings: 290; First seen: 2026-01-09 - **AWS** — Layer: cloud; Postings: 591; Share: 0.2102; Required: 407; Open postings: 279; First seen: 2026-01-13 - **CI/CD** — Layer: practices; Postings: 589; Share: 0.2095; Required: 422; Open postings: 270; First seen: 2026-01-13 - **Windows** — Layer: cloud; Postings: 467; Share: 0.1661; Required: 419; Open postings: 203; First seen: 2026-01-09 - **Azure** — Layer: cloud; Postings: 409; Share: 0.1455; Required: 285; Open postings: 174; First seen: 2026-01-13 - **Machine Learning** — Layer: practices; Postings: 346; Share: 0.1231; Required: 182; Open postings: 111; First seen: 2026-01-09 - **C++** — Layer: languages; Postings: 341; Share: 0.1213; Required: 278; Open postings: 122; First seen: 2026-05-07 - **Ansible** — Layer: tools; Postings: 340; Share: 0.121; Required: 208; Open postings: 156; First seen: 2026-01-13 - **Kubernetes** — Layer: cloud; Postings: 323; Share: 0.1149; Required: 212; Open postings: 151; First seen: 2026-01-13 - **Git** — Layer: tools; Postings: 315; Share: 0.1121; Required: 208; Open postings: 134; First seen: 2026-05-01 - **JavaScript** — Layer: languages; Postings: 299; Share: 0.1064; Required: 206; Open postings: 129; First seen: 2026-05-21 - **Java** — Layer: languages; Postings: 289; Share: 0.1028; Required: 199; Open postings: 140; First seen: 2026-01-13 - **PowerShell** — Layer: languages; Postings: 286; Share: 0.1017; Required: 203; Open postings: 110; First seen: 2026-01-13 - **Docker** — Layer: tools; Postings: 283; Share: 0.1007; Required: 175; Open postings: 130; First seen: 2026-01-13 - **SQL** — Layer: languages; Postings: 263; Share: 0.0936; Required: 197; Open postings: 111; First seen: 2026-04-10 - **Terraform** — Layer: tools; Postings: 215; Share: 0.0765; Required: 149; Open postings: 98; First seen: 2026-01-13 - **Jenkins** — Layer: tools; Postings: 200; Share: 0.0711; Required: 144; Open postings: 89; First seen: 2026-06-03 - **Power BI** — Layer: cloud; Postings: 200; Share: 0.0711; Required: 136; Open postings: 68; First seen: 2026-01-09 - **DNS** — Layer: practices; Postings: 199; Share: 0.0708; Required: 189; Open postings: 81; First seen: 2026-04-10 - **VMWare** — Layer: cloud; Postings: 194; Share: 0.069; Required: 151; Open postings: 80; First seen: 2026-04-10 - **GitLab** — Layer: cloud; Postings: 194; Share: 0.069; Required: 132; Open postings: 91; First seen: 2026-03-13 - **AutoCAD** — Layer: tools; Postings: 193; Share: 0.0687; Required: 136; Open postings: 95; First seen: 2025-12-24 - **MATLAB** — Layer: languages; Postings: 182; Share: 0.0647; Required: 109; Open postings: 73; First seen: 2026-05-11 - **Configuration Management** — Layer: practices; Postings: 174; Share: 0.0619; Required: 125; Open postings: 89; First seen: 2026-01-13 - **Active Directory** — Layer: cloud; Postings: 173; Share: 0.0615; Required: 153; Open postings: 66; First seen: 2026-04-30 - **TCP/IP** — Layer: practices; Postings: 172; Share: 0.0612; Required: 142; Open postings: 63; First seen: 2026-02-03 - **Bash** — Layer: languages; Postings: 166; Share: 0.0591; Required: 137; Open postings: 75; First seen: 2026-06-02 - **GCP** — Layer: cloud; Postings: 150; Share: 0.0534; Required: 106; Open postings: 78; First seen: 2026-01-13 - **Rest API** — Layer: tools; Postings: 145; Share: 0.0516; Required: 98; Open postings: 78; First seen: 2026-05-06 - **Unix** — Layer: cloud; Postings: 135; Share: 0.048; Required: 108; Open postings: 61; First seen: 2026-01-09 - **Splunk** — Layer: cloud; Postings: 134; Share: 0.0477; Required: 89; Open postings: 60; First seen: 2026-05-05 - **TypeScript** — Layer: languages; Postings: 133; Share: 0.0473; Required: 62; Open postings: 60; First seen: 2026-05-01 - **Windows Server** — Layer: cloud; Postings: 130; Share: 0.0462; Required: 109; Open postings: 60; First seen: 2026-04-10 - **BGP** — Layer: practices; Postings: 127; Share: 0.0452; Required: 114; Open postings: 51; First seen: 2026-01-30 - **SIEM** — Layer: cloud; Postings: 126; Share: 0.0448; Required: 97; Open postings: 40; First seen: 2026-05-05 - **DHCP** — Layer: practices; Postings: 123; Share: 0.0438; Required: 114; Open postings: 49; First seen: 2026-05-29 - **Red Hat** — Layer: cloud; Postings: 122; Share: 0.0434; Required: 95; Open postings: 50; First seen: 2026-05-05 - **PostgreSQL** — Layer: data; Postings: 111; Share: 0.0395; Required: 78; Open postings: 61; First seen: 2026-05-04 - **OSPF** — Layer: practices; Postings: 110; Share: 0.0391; Required: 104; Open postings: 43; First seen: 2026-01-30 - **MPLS** — Layer: practices; Postings: 107; Share: 0.0381; Required: 81; Open postings: 43; First seen: 2026-01-30 - **VPN** — Layer: practices; Postings: 103; Share: 0.0366; Required: 88; Open postings: 38; First seen: 2026-04-28 - **PKI** — Layer: practices; Postings: 102; Share: 0.0363; Required: 68; Open postings: 51; First seen: 2026-04-23 - **Microsoft Excel** — Layer: tools; Postings: 101; Share: 0.0359; Required: 77; Open postings: 37; First seen: 2026-07-21 - **Incident Management** — Layer: practices; Postings: 100; Share: 0.0356; Required: 96; Open postings: 48; First seen: 2026-02-03 - **Angular** — Layer: frameworks; Postings: 96; Share: 0.0342; Required: 60; Open postings: 47; First seen: 2026-05-22 - **IAM** — Layer: practices; Postings: 95; Share: 0.0338; Required: 80; Open postings: 37; First seen: 2026-01-13 - **Apache Kafka** — Layer: cloud; Postings: 95; Share: 0.0338; Required: 73; Open postings: 47; First seen: 2026-05-01 - **Node JS** — Layer: languages; Postings: 95; Share: 0.0338; Required: 64; Open postings: 34; First seen: 2026-05-21 - **GitLab CI** — Layer: cloud; Postings: 94; Share: 0.0334; Required: 75; Open postings: 47; First seen: 2026-03-13 - … 641 more in the JSON form ## Changes ### First appeared - **Amazon EventBridge** — First seen: 2026-11-06 - **JFrog Xray** — First seen: 2026-11-03 - **Puppeteer** — First seen: 2026-10-30 - **Interpretability** — First seen: 2026-10-28 - **LIMS** — First seen: 2026-10-23 - **Chromatography** — First seen: 2026-10-22 - **Mass Spectrometry** — First seen: 2026-10-22 - **Wiz** — First seen: 2026-10-21 ### Rising - **Microsoft Excel** — Share from: 1; Share to: 4 ### Falling - **Java** — Share from: 17; Share to: 8 - **ElasticSearch** — Share from: 7; Share to: 2 - **Jenkins** — Share from: 10; Share to: 6 - **GitLab** — Share from: 10; Share to: 6 - **TypeScript** — Share from: 7; Share to: 4 - **PostgreSQL** — Share from: 6; Share to: 3 - **Angular** — Share from: 6; Share to: 3 - **GitHub** — Share from: 5; Share to: 3 ### Not seen 180d - **DO-160** — Last seen: 2026-05-15 ## Similar stacks - [CACI International](https://alion.io/company/caci-international/technologies) — Shared technologies: 486 - [Booz Allen Hamilton](https://alion.io/company/booz-allen/technologies) — Shared technologies: 493 - [Peraton](https://alion.io/company/peraton/technologies) — Shared technologies: 443 - [Thales Group](https://alion.io/company/thales/technologies) — Shared technologies: 471 - [Lockheed Martin](https://alion.io/company/lockheedmartin/technologies) — Shared technologies: 431 - [SAIC](https://alion.io/company/saic/technologies) — Shared technologies: 386 - [Capgemini](https://alion.io/company/capgemini/technologies) — Shared technologies: 543 - [General Dynamics Information Technology](https://alion.io/company/gdit/technologies) — Shared technologies: 431 --- [Page](https://alion.io/company/leidos/technologies) · [JSON](https://alion.io/company/leidos/technologies.json) Source: Alion (alion.io), 2026-11-11. 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