Senior AI Developer for Cyber Defense & AI Systems

Arcfield; Dahlgren (VA); On-site; USD 106,000 - 185,000; Full time

Job summary

Arcfield in the United States, Virginia, Dahlgren, seeks an AI Developer to join a mission-focused team delivering cyber analysis and development capabilities for Navy/DoD needs. The role emphasizes rapid design, development, testing, deployment, and sustainment of software/hardware solutions to support cyber operations.

You will work from requirements, design and implement features, review existing systems, perform testing, and participate in agile ceremonies to ensure timely delivery and

Qualifications

• Active Secret clearance with ability to obtain TS/SCI.
• IAM Level I certification or higher.
• Experience with Python and FastAPI.
• Experience developing capabilities interfacing with AI systems.
• Experience with AI workflows frameworks (Haystack, LangChain, LlamaIndex).
• Experience implementing retrieval augmented generation (RAG) workflows.

Responsibilities

• Develop or modify software applications from requirements specifications.
• Design, code, benchmark, debug, and document features.
• Review and sustain existing enterprise applications for upgrades and performance.
• Participate in performance, load, and stress testing and issue remediation.
• Contribute to security architecture reviews of large systems.
• Support full lifecycle from requirements to sustainment of new systems.
• Create documentation, test scripts, and training materials.
• Work in an agile team with sprint planning and daily standups.

Skills

Python programming

Retrieval augmented generation (RAG)

Context engineering

Model context protocols (MCP) servers

AI workflow frameworks (Haystack/Lang‑

RAG workflows

Active TS/SCI clearance

IAM Level I certification

AI systems interfacing

Education

BS in Computer Science or related field

MS in Computer Science or related field

PhD in relevant field

Tools

FastAPI

Job description

Arcfield in the United States, Virginia, Dahlgren, seeks an AI Developer to join a mission-focused team delivering cyber analysis and development capabilities for Navy/DoD needs. The role emphasizes rapid design, development, testing, deployment, and sustainment of software/hardware solutions to support cyber operations.

You will work from requirements, design and implement features, review existing systems, perform testing, and participate in agile ceremonies to ensure timely delivery and