CareerPlanSign in

Senior Software Test Engineer

TST Main Office (901 N. Stuart St) - Arlington, VA💼 Full-time💰 $100,000–$100,000🗓 2026-08-28 → 2026-09-26

Core

Develop and execute comprehensive manual functional and user-acceptance tests for software-hardware ecosystems, distributed architectures, and interoperable data streams.

Role type

Senior Software Test Engineer (Systems & Integration)

Builds

Unified software-hardware ecosystems, mission-ready data streams, and AI-assisted code development pipelines

Domain

Defense technology, cyber, and distributed systems

Deliverable

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

Required skills

Systems testing, API endpoint testing, hardware/software integration testing, automated testing frameworks, UNIX/Linux, SQL, technical writing, root cause analysis

Preferred skills

AI-assisted code verification, geospatial libraries (OpenLayers, CesiumJS), virtualization/cloud (Docker, vSphere, Ansible, AWS), Bash/Python/JavaScript scripting, Agile SDLC

Technologies

Python, Bash, SQL, UNIX, LINUX, Docker, vSphere, Ansible, AWS, OpenLayers, CesiumJS

Responsibilities

Perform full-stack system testing via API endpoints and hardware interfaces; Develop functional, end-to-end, regression, and performance tests; Evaluate hardware endpoints and distributed architectures; Design and maintain testing environments; Assist in implementing automated testing frameworks; Design testing strategies for AI-assisted code development; Trace and align test lifecycles with program milestones

Seniority

Senior, hands-on IC

Sourced via greenhouse · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.