AIML Engineer-TSSCI & CI POLY

SIXGENs 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.

POSITION OVERVIEW

• Position: AI/ML Engineer
• Job Type: Full Time
• Location: Columbia MD
• Clearance Requirement: TS/SCI CI Poly
• Salary: Senior $215 SME $240K

WHAT YOULL DO

SIXGEN is actively seeking candidates to be part of a team that supports the United States Cyber Command (USCC). Our team is standing up USCYBERCOMs 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.

What Youll Be Doing:

1. Provide embedded operations support capability integration and rapid prototyping for AI/ML-enabled tools in support of our customer.
2. Design and integrate LLM/agent orchestration workflows using agentic frameworks such as LangGraph Agno and the NVIDIA NeMo Agent Toolkit.
3. Tune model gateway routing logic to select evaluate and optimize across multiple frontier and open-weight models for cost performance and mission fit.
4. Develop and integrate RAG pipelines vector databases and memory services to give agents access to mission knowledge and context.
5. Implement MCP (Model Context Protocol)-based tool-broker integrations so agents can safely and securely access enterprise tools and data.
6. Evaluate benchmark and tune models and agent behaviors; build automated evaluation pipelines to track quality safety and performance over time.
7. Partner with data scientists and mission analysts to translate research and prototypes into production-grade AI capabilities for the command.
8. 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.
9. Research and evaluate emerging LLM agent and AI tooling to keep the commands AI capability current and adaptable.

Requirements

1. Bachelors 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
2. Active TS/SCI clearance w/Poly
3. Advanced proficiency in Python for AI/ML application development
4. Demonstrated experience building or integrating LLM/agent-based systems in production
5. Experience with retrieval-augmented generation (RAG) vector databases and prompt/context engineering
6. Ability to manage competing priorities in fast-paced mission environments and identify/escalate operational risks early

Preference to Candidates that Have:

1. Masters degree and 8 years of relevant experience
2. Experience supporting USCYBERCOM NSA DoD cyber operations or related mission environments
3. Experience with frameworks such as LangGraph Agno or the NVIDIA NeMo Agent Toolkit
4. Experience with model inference/serving platforms (NVIDIA NIM vLLM Ollama LiteLLM)
5. Experience with MCP (Model Context Protocol) or similar tool-broker/integration standards
6. Experience with AI evaluation frameworks model benchmarking and observability (logs/metrics/traces) for AI workloads
7. Experience supporting USCYBERCOM NSA or DoD AI/cyber mission environments

COMPENSATION & BENEFITS

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.

Additionally SIXGEN offers top-tier benefits for full-time employees including:

• Employer-paid health insurance premiums (medical dental vision) for you and your family
• Employer-paid short/long term disability insurance and basic life/AD&D insurance
• 401K with a 4% employer contribution
• Professional development reimbursement options available (training certification education etc)
• Flexible and remote work policies for most positions
• Flexible PTO and holiday schedule

OUR COMMITMENT

SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race color religion sexual orientation gender identity national origin disability age marital status ancestry projected veteran status or any other protected group or class.

We are committed to fostering an inclusive culture that values diversity in our people reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.