Senior Platform Engineer (FedD239) is open at Defense Unicorns in Springfield, VA. The posting gives a salary of $149K - $201K. Posted on Sep 29, 2026, and still on Defense Unicorns’s careers page when we last checked, on Nov 15, 2026.
About the role
Design, build, and integrate AI agents and multi-agent workflows using modern LLM and agentic technologies. Develop agent capabilities that interact with enterprise applications, APIs, data sources, developer tools, and mission systems. Integrate models, agents, tools, and enterprise data into secure workflows that can be deployed in controlled and classified environments. Work with LLMs, RAG, embeddings, vector…
The opening lines of the posting. The rest is on Defense Unicorns’s careers page.
Hiring at Defense Unicorns
Defense Unicorns has 47 open roles right now, 36 of them remote. Most are in Engineering, Sales & Business Development and Marketing & Community. The median advertised salary across its roles with a published range is $165K. See all its roles