# Principal Mission Engineer - Full Stack (Secret Clearance Required)

- **Company:** STR
- **Location:** Arlington, VA
- **Workplace:** Hybrid
- **Salary:** USD 240K–290K / year
- **Seniority:** Staff
- **Role:** Full-stack engineering
- **Countries:** United States
- **Languages:** Python, TypeScript
- **Posted:** 2026-11-06
- **Key facts:** Stack: Python, TypeScript, React; Experience: 8+ years; Degree required; Security clearance required
- **Job page:** https://rolefalcon.com/job/96314616-principal-mission-engineer-full-stack-secret-clearance-required-str-arlington

STR, a software company in aerospace and defense, is hiring for the role of Principal Mission Engineer - Full Stack (Secret Clearance Required). The role is hybrid, based in Arlington, United States. We classify it under full-stack engineering. The posting names React, Python and TypeScript. It asks for 8+ years of experience. A university degree is required. STR has 33 open positions on this site, 18 of them in IT and engineering.

To apply, open the job page above and follow its Apply link to the original posting.

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