**Description**

***Must have an active DOE Q or DOD Top Secret clearance. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required.***

Leidos is hiring a Software/Analytics Engineer to support a Federal Program Office within the Stockpile Sustainment Directorate for the National Nuclear Security Administration (NNSA). The successful candidate will serve as a senior technical contributor responsible for designing, developing, and sustaining advanced analytical software applications that directly support decision‑making, production planning, and strategic analysis across the NNSA. The role provides the technical backbone for mission‑critical tools—including applications such as Enterprise Capacity Analysis (ECA)—and supports long‑term supply‑versus‑demand assessments, scenario evaluations, and enterprise‑wide planning activities.

We are looking for an experienced software engineer with a...