Senior AI Engineer TS/SCI Poly - Secure LLM & AI Tools

PAE Government Services Inc.; Linthicum (MD); On-site; USD 150,000 - 200,000; Full time

Benefits offered by this job

Health insurance

Paid time off and holidays

Retirement benefits (401(k) matching)

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Senior AI Engineer with a proven software engineering background to advance AI/ET capabilities, collaborating with mission stakeholders to capture requirements and improve certification through AI/ML tooling. The role focuses on developing LLM tooling and enabling vulnerability identification enhancements.

Responsibilities include building LLM orchestration frameworks, data pipelines for LLM input, and secure enclave deployments, with emphasis on performance, scalability,

Qualifications

• Proficiency in Python, LLM integration, and data engineering.
• Experience with static analyzers, RAG framework, and relational and vector databases.
• Familiarity with Agile, Git, Jira, and Confluence.
• Ability to perform performance profiling, optimization, and scalability analysis of mission systems.
• Strong problem-solving and communication skills.
• Security clearance: TS/SCI Poly minimum.

Responsibilities

• Collaborate closely with technical leadership to 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.
• Collaboratively work with systems engineers to architect and deploy networked AI tools within secure enclaves and conduct performance profiling, optimization, and scalability analysis of mission systems.
• Support security assessments and authority to operate (ATO) processes.
• Safety: develop and maintain a safe work environment, complete required training, and participate in emergency response tasks and safety committees.
• Quality: consistently provide services that meet customer expectations and comply with Amentum Quality System documents and customer contracts.
• Procedure Compliance: understand and implement operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to the job.

Skills

Python

LLM integration

Data engineering

Performance profiling

Strong problem-solving

Education

Doctoral degree

Master's degree

Bachelor's degree

Associate's degree

High School diploma/GED

Tools

Rust

Claude Code

Codex

CI/CD

Jira

Confluence

Job description

Amentum is seeking a Senior AI Engineer with a proven software engineering background to advance AI/ET capabilities, collaborating with mission stakeholders to capture requirements and improve certification through AI/ML tooling. The role focuses on developing LLM tooling and enabling vulnerability identification enhancements.

Responsibilities include building LLM orchestration frameworks, data pipelines for LLM input, and secure enclave deployments, with emphasis on performance, scalability,