Top Senior Level QA Engineer Jobs in Washington DC,

As the first dedicated Infrastructure Engineer at Marker Learning, you will lead transformative projects, design and deploy scalable and secure infrastructure solutions, and collaborate with various teams to enhance user experiences while driving technical excellence and aligning infrastructure strategy with company goals.

The Regional Project Engineer for Asphalt Operations leads and manages capital investment projects across GAF’s oxidation plants, ensuring efficient resource usage and adherence to budgets and timelines. This role involves overseeing project scopes, cost analysis, vendor management, and facilitating the creation of reliability systems to optimize manufacturing processes.

The Applications Engineer will manage individual proposals and oversee technical requirements related to Zeeco's Offshore division products. Responsibilities include analyzing customer inquiries, developing cost estimates, coordinating drawings, writing formal quotations, and engaging with customers post-proposal. The role involves travel for site support and requires proficiency in Microsoft Office and related software.

As a Senior DevOps Engineer at SandboxAQ, you will provide technical support to development teams, architect scalable infrastructure, automate CI/CD pipelines, and ensure high-quality solutions. Your role emphasizes collaboration with IT and InfoSec teams while driving a culture of excellence and strategic direction for long-term planning.

As a Lead Blockchain Engineer, you'll architect and build a scalable RWA blockchain platform, oversee infrastructure improvements, and lead the development of smart contracts. You'll guide the engineering team in delivering high-impact solutions while ensuring security and functionality.

In this role, you will develop tech roadmaps for Large Language Models, focusing on LLM deployment and integration into AI products. Responsibilities include designing and optimizing LLM-based systems, fine-tuning models, and integrating with Agentic platforms. You will work with cross-functional teams to drive AI initiatives aligned with business objectives.

Seeking a talented QA Automation Engineer with 5+ years of experience in Quality Assurance. Responsible for automation test solutions using Selenium, Java, and in-house tools for Seekr products. Collaborate with teams, analyze test results, and work on both Automation and Manual Testing.