<p>SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape.</p> <p> </p> <p><strong>POSITION OVERVIEW</strong></p> <ul> <li>Position: AI/ML Engineer</li> <li>Job Type: Full Time</li> <li>Location: Columbia, MD</li> <li>Clearance Requirement: TS/SCI, CI Poly</li> <li>Salary : Senior $215, SME $240K</li> </ul> <p> </p> <p><strong>WHAT YOU’LL DO</strong></p> <p>SIXGEN is actively seeking candidates to be part of a team that supports the United States Cyber Command (USCC). Our team is standing up USCYBERCOM’s AI Enterprise capability — the central hub that mission teams turn to when they want to move an AI solution from prototype to a secure, governed, enterprise-scale service. As a AI/ML Engineer on this team, you will design and integrate the models, agents, and AI workflows that run on that platform, with significant, visible impact on the mission of the USCC.</p> <p><strong>What You'll Be Doing:</strong></p> <ol> <li>Provide embedded operations support, capability integration, and rapid prototyping for AI/ML-enabled tools in support of our customer.</li> <li>Design and integrate LLM/agent orchestration workflows using agentic frameworks such as LangGraph, Agno, and the NVIDIA NeMo Agent Toolkit.</li> <li>Tune model gateway routing logic to select, evaluate, and optimize across multiple frontier and open-weight models for cost, performance, and mission fit.</li> <li>Develop and integrate RAG pipelines, vector databases, and memory services to give agents access to mission knowledge and context.</li> <li>Implement MCP (Model Context Protocol)-based tool-broker integrations so agents can safely and securely access enterprise tools and data.</li> <li>Evaluate, benchmark, and tune models and agent behaviors; build automated evaluation pipelines to track quality, safety, and performance over time.</li> <li>Partner with data scientists and mission analysts to translate research and prototypes into production-grade AI capabilities for the command.</li> <li>Implement AI governance guardrails — content/safety filters, policy enforcement, and approval gates — for agentic workflows, and document model/agent architectures and evaluation results for reuse.</li> <li>Research and evaluate emerging LLM, agent, and AI tooling to keep the command's AI capability current and adaptable.</li> </ol> <p> </p> <p><strong>Requirements</strong></p> <ol> <li>Bachelor’s degree from an accredited college or university in Computer Science, Data Science, or a related discipline and 10+ years of experience; 4 additional years of experience may be considered in lieu of degree</li> <li>Active TS/SCI clearance w/Poly</li> <li>Advanced proficiency in Python for AI/ML application development</li> <li>Demonstrated experience building or integrating LLM/agent-based systems in production</li> <li>Experience with retrieval-augmented generation (RAG), vector databases, and prompt/context engineering</li> <li>Ability to manage competing priorities in fast-paced mission environments and identify/escalate operational risks early</li> </ol> <p> </p> <p><strong>Preference to Candidates that Have:</strong></p> <ol> <li>Master's degree and 8+ years of relevant experience</li> <li>Experience supporting USCYBERCOM, NSA, DoD cyber operations, or related mission environments</li> <li>Experience with frameworks such as LangGraph, Agno, or the NVIDIA NeMo Agent Toolkit</li> <li>Experience with model inference/serving platforms (NVIDIA NIM, vLLM, Ollama, LiteLLM)</li> <li>Experience with MCP (Model Context Protocol) or similar tool-broker/integration standards</li> <li>Experience with AI evaluation frameworks, model benchmarking, and observability (logs/metrics/traces) for AI workloads</li> <li>Experience supporting USCYBERCOM, NSA, or DoD AI/cyber mission environments</li> </ol> <p> </p> <p><strong>COMPENSATION & BENEFITS</strong></p> <p>At SIXGEN, we are committed to fair and equitable compensation practices. Compensation for this role will be based on experience, qualifications, technical expertise, and overall alignment with the position.</p> <p> </p> <p>Additionally, SIXGEN offers top-tier benefits for full-time employees, including:</p> <p> </p> <ul> <li>Employer-paid health insurance premiums (medical, dental, vision) for you and your family</li> <li>Employer-paid short/long term disability insurance and basic life/AD&D insurance</li> <li>401K with a 4% employer contribution</li> <li>Professional development reimbursement options available (training, certification, education, etc)</li> <li>Flexible and remote work policies for most positions</li> <li>Flexible PTO and holiday schedule</li> </ul> <p> </p> <p><strong>OUR COMMITMENT</strong></p> <p>SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender