Teams at Expression Networks, LLC

Designs, develops, deploys, and optimizes generative AI systems for customer missions. Responsibilities include end-to-end model development, data preparation, evaluation, deployment, prototyping emerging AI technologies, prompt engineering, and LLM/RAG product development. The role collaborates with program, product, architecture, and data teams, conducts independent research, mentors junior staff, and delivers scalable AI solutions in a collaborative environment.

Tests web applications, APIs, data integrations, workflows, and AI-enabled features. Investigates defects, edge cases, permissions, failures, and user experience issues; documents findings and collaborates with developers and product owners. Builds automated tests with guidance, uses AI tools thoughtfully, evaluates AI responses and tool behavior, verifies fixes, and communicates testing evidence and remaining risks.

Owns the federal contracts function across the full contract lifecycle, including proposal support, negotiations, awards, administration, compliance, modifications, subcontracting, reporting, and closeout. Partners with business development, finance, program management, security, legal, and executive leadership to manage risks and obligations. Supports teaming agreements, proposal submissions, FAR and DFARS compliance, audits, contract vehicles, and subcontractor administration.