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Software Test Engineer

USA - Hazelwood, MO💼 Full-time💰 $70,000–$70,000🗓 2026-07-14 → 2026-07-30

Core

Design, develop, and maintain tests for non-embedded software throughout the end-to-end lifecycle for the Tomahawk Land-Attack Missile program.

Role type

Software Test Engineer

Builds

Test plans, cases, automation scripts, and quality assurance metrics for defense systems.

Domain

Defense / Missile Systems / Software Quality Assurance

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

.Net Framework, .Net 8/10, Python, JavaScript, PowerShell, Agile development, manual exploratory testing, test automation, bug tracking, defect analysis

Preferred skills

Unit test development, Azure DevOps, SSCP, GSEC, CISSP, CASP+

Technologies

.Net Framework, .Net 8/10, Python, JavaScript, PowerShell, Azure DevOps

Responsibilities

Design, develop, and maintain tests in a .Net Framework and .Net 8/10 environment; Create test plans and cases based on program requirements; Execute manual exploratory testing; Write automation scripts to automate testing efforts; Document identified defects in bug tracking system and verify implemented fixes; Track quality assurance metrics (defect density, open defects, time to resolution, etc.)

Seniority

Mid-level, hands-on IC

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