AI Engineers - Multiple Levels (SWE2 / SWE3) TS SCI + Poly Linthicum Heights, MD About the Role: Aperio Global is seeking motivated AI Engineers across multiple experience levels to support our AI & Emerging Technologies (AI&ET) mission. Engineers at all levels will work closely with mission stakeholders to capture requirements, aid in structured planning, and improve the certification process by introducing AI/ML tooling. You will use AI/ML to develop tools and techniques - including fine-tuning Large Language Models (LLMs) - that assist in enhanced vulnerability identification and mitigation capabilities. This role sits at the intersection of applied AI research and national security, deploying cutting-edge tooling within classified secure enclaves. Mission Focus: • Design, develop, and maintain LLM orchestration frameworks that coordinate static analyzers, retrieval-augmented generation (RAG) systems, and automated testing pipelines • Develop and optimize data preprocessing pipelines to ingest, clean, transform, and vectorize product documentation, source code, and test results for LLM consumption • Design and implement database solutions to support RAG architectures, artifact storage, audit trails, and metadata management Technical Proficiency: • Collaborate with systems engineers to architect and deploy networked AI tools within secure enclaves • Conduct performance profiling, optimization, and scalability analysis of mission systems • Support security assessments and Authority to Operate (ATO) processes • Collaborate closely with technical leadership on system design decisions and roadmap planning What We're Looking For: All candidates must meet the following requirements: • Bachelor's degree plus 5 years (SWE2) or 8 years (SWE3) of relevant experience, or equivalent • Proficiency in Python, LLM integration, and data engineering • Experience with static analyzers and RAG frameworks • Experience with both relational and vector databases • Familiarity with Agile methodologies, Git, Jira, and Confluence • Active TS/SCI + Polygraph Nice to Have • Familiarity with Rust • Experience with Claude Code or OpenAI Codex • CI/CD pipeline design and maintenance • Hands-on experience deploying AI tools within classified or air-gapped environments • Performance profiling and scalability optimization in networked AI systems About the Mission The AI & Emerging Technologies (AI&ET) team is at the forefront of applying artificial intelligence to national security challenges. Our engineers work in a fast-paced, collaborative environment on problems that directly impact mission outcomes. We value intellectual curiosity, technical depth, and a commitment to responsible AI development. How to Apply: Submit your application through this posting. Please include: • Resume highlighting relevant AI/ML and software engineering experience • Current clearance level and polygraph status • Desired level (SWE2 or SWE3), or indicate open to both Level-Experience: AI Engineer (SWE2) - Mid-level Bachelor's + 5 years $127,000-$147,000 Senior AI Engineer (SWE3) - Senior Bachelor's + 8 years $180,000 - $200,000 Benefits At Aperio Global, we understand the value of investing in our most important asset-our employees. That's why we have crafted a comprehensive benefits package designed to help you make the best decision for yourself, your family and your lifestyle. For additional details, contact our talent acquisition team. • Health Care Plan (Medical, Dental & Vision) • Retirement Plan (401k, IRA) with 100% employer match up to 6% • Life Insurance (Basic, Voluntary & AD&D) • Paid Time Off (Vacation, Sick & Public Holidays) • Short Term & Long Term Disability • Professional Development • (and much more)