AI Engineer (TS/SCI) – LLMs & Agentic Workflows

Lever, Inc.; Fort Meade (MD); On-site; USD 100,000 - 180,000; Full time

Benefits offered by this job

Healthcare options with employer-paid

HSA funded by company

Dental insurance

Vision insurance

Life insurance

Disability insurance

Training reimbursement

AWS training & accreditation

Tech equipment reimbursement

401(k) with matching

Mentorship programs

Job summary

Constellation Technologies seeks a senior AI systems engineer to support federal contract work from Fort Meade, MD. The role emphasizes building and evaluating AI/ML-enabled applications, integrating agentic workflows, and leveraging ecosystems like LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Haystack, and LlamaIndex.

Candidates must be US citizens with TS/SCI clearance and a current polygraph, plus CI poly within seven years, and at least 18 years of experience with a bachelor’s

Qualifications

• US citizenship and an active TS/SCI clearance with a polygraph.
• CI poly within the last seven years.
• 18+ years of experience with a Bachelor’s degree.
• Degree in a relevant technical field.
• Experience designing or evaluating AI/ML-enabled applications or tools.
• Familiarity with modern AI patterns (LLM, RAG, agentic systems).
• Knowledge of agentic/orchestration frameworks (LangChain, LangGraph, etc.).
• Experience with APIs, data handling, and system integration.
• Ability to articulate tradeoffs to engineers and stakeholders.
• Strong written and verbal communication skills.

Responsibilities

• Not stated in the HTML.

Skills

US Citizenship

TS/SCI clearance w/ polygraph

CI poly in last 7 yrs

18+ years experience with Bachelor

AI/ML-enabled apps experience

Communicate tradeoffs

Strong written/verbal communication

Defense/government domain experience

Education

Bachelor's degree in Systems Engineering, Computer Science, Engineering, Data Science, Mathematics, or related field

Tools

LangChain

LangGraph

Semantic Kernel

AutoGen

CrewAI

Haystack

LlamaIndex

Job description

Constellation Technologies seeks a senior AI systems engineer to support federal contract work from Fort Meade, MD. The role emphasizes building and evaluating AI/ML-enabled applications, integrating agentic workflows, and leveraging ecosystems like LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Haystack, and LlamaIndex.

Candidates must be US citizens with TS/SCI clearance and a current polygraph, plus CI poly within seven years, and at least 18 years of experience with a bachelor’s