Integration & Test Automation Engineer (AI Platform)

Arcfield Overview: STC, a wholly owned subsidiary of Arcfield, was founded to do systems engineering differently. As an industry-leading solutions provider in digital engineering and model-based systems engineering (MBSE), the company delivers MBSE-as-a-Service, integrated digital engineering environment deployments, training and consulting to both commercial and public sector customers. Every day, STC’s team of expert engineers are unleashing the power of digital engineering to navigate complexity, increase understanding and inform decision-making. Learn more at stc.arcfield.com. Responsibilities:

We are seeking an Integration & Test Automation Engineer to strengthen our multi-stage DevSecOps workflows and ensure our platform meets reliability, security, and quality standards across development, staging, and production. In this role, you will create and maintain high-coverage automated test suites, validate system integrations (including AI components), and work hands-on with CI/CD pipelines and cloud-based test environments.

You’ll collaborate cross-functionally with software, system engineering & quality, and platform release teams. You’ll also engage with customer-facing test activities and have an opportunity to influence how we validate state-of-the-art AI-enabled engineering solutions. Key Responsibilities:* Develop, maintain, and enhance automated unit, integration, regression, and end-to-end test suites using tools like Pytest, JUnit, and Selenium/Cypress. * Validate integrations between APIs, microservices, model-based systems engineering (MBSE) layers, and AI pipeline components. * Work closely with system engineers to plan, automate, and execute comprehensive model-based systems engineering (MBSE) test scenarios. * Integrate automated test executions into GitLab CI/CD pipelines, ensuring robust stage gating (local, dev, staging, prod). * Design and implement thorough test plans, including system, performance, security, and U...