Senior ML Engineer

Stack

Responsibilities

• ▹Own end-to-end delivery of agentic, full-stack systems, embedded alongside defense and intelligence customers
• ▹Build and deploy ML services using LLMs, embeddings, RAG and agent orchestration into production, including classified and air-gapped environments
• ▹Work directly with customers to scope problems, sequence delivery and ship novel AI applications under real-world constraints
• ▹Codify repeatable patterns into reusable tools and building blocks so the team can ship faster

Requirements

• ▹Experience in the defense or intelligence fields
• ▹Ability to provide solutions for the full LLM stack, from OS, storage and network up to the API and transport layer
• ▹Mix of software development, LLM Ops and secdevops practices
• ▹Daily use of AI coding tools (Claude Code, Cursor, Copilot) and LLMs across the development lifecycle
• ▹Hands-on with modern agent frameworks and SDKs (LangGraph, OpenAI Agents SDK, Claude Agent SDK, AutoGen or similar) and agent evaluation and observability tooling
• ▹Familiarity with MCP or similar LLM integration frameworks
• ▹Clear-eyed view of AI limitations, knowing when to trust AI output and when to verify
• ▹An active U.S. Government clearance is strongly preferred; clearance-eligible candidates are considered

Nice to have

• ▹Proficiency in infrastructure management (Docker, Kubernetes, AWS)
• ▹Expertise in encryption, authentication, Linux systems administration, DevOps or SRE
• ▹Production experience launching agentic services and forward-deployed AI applications
• ▹Experience as a forward-deployed engineer or in a tech-led delivery role embedded with mission customers
• ▹Experience with federated or privacy-preserving data architectures (differential privacy, secure enclaves)

Soft skills

What we offer

• ▹Healthcare coverage: 100% of employee and 50% of dependents premium for a platinum-level plan
• ▹401K with 2% company match
• ▹$500 monthly physical and mental health reimbursement
• ▹Unlimited time off
• ▹Competitive salary and equity compensation
• ▹Impactful projects in the national security sector
• ▹Career growth and leadership opportunities

About the company

Adelphi builds AI/ML-enabled secure data access and sharing technology for the U.S. intelligence and defense communities. Its Connector software cuts intelligence-sharing time from months to minutes. It closed a $7M Seed round in August 2025.