AI Engineer - SME- CLEARANCE and POLYGRAPH REQUIRED

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

solutions involvingLLMs, agentic workflows, LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Haystack, LlamaIndex, or similar ecosystems.

Python, JavaScript/TypeScript, or similar languages commonly used in AI application development.

Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.

Required:

• Must be a US Citizen
• Must have TS/SCI clearance w/ active polygraph
• Requires current CI poly within last seven (07) years.
• Eighteen (18) years of experience with a Bachelors Degree; experiencing providing technical advisory support for the design, evaluation, and advancement of applications, tools, and workflows.
• Degree in Systems Engineering, Computer Science, Engineering, Data Science, Mathematics, or related field.
• Experience designing, building, integrating, or evaluating AI/ML-enabled applications or software tools.
• Familiarity with modern AI application patterns, includingLLM-based applications, RAG, prompt engineering, agentic systems, and AI-assisted workflows.
• Working knowledge of one or more agentic or orchestration frameworks such asLangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Haystack, LlamaIndex, or similar ecosystems.
• Experience with software development fundamentals, APIs, data handling, and system integration.
• Ability to assess technical tradeoffs and communicate them clearly to both engineers and government stakeholders.
• Strong written and verbal communication skills.

These Qualifications Would be Nice to Have:

• Experience with Python, JavaScript/TypeScript, or similar languages commonly used in AI application development.
• Familiarity with vector databases, embeddings, model APIs, evaluation frameworks, and agent testing harnesses.
• Exposure to model hosting, inference pipelines, or cloud-based AI development environments.
• Understanding of secure AI development practices, data protection, and operational constraints in government settings.
• Experience supporting defense, cyber, intelligence, or mission application development.
• Familiarity with human-in-the-loop workflows, AI assurance, and evaluation methodologies.

$100,000 - $180,000 a year

The pay range for this job, with multi-levels, is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The benefits package:

• Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA
• Comprehensive Dental insurance
• Vision with 80% employer paid premium
• Employer paid Life insurance 100%
• Employer paid Short-term and Long-term disability 100%
• Annual training, continued education, and professional memberships reimbursement
• Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation
• Annual reimbursement for technology i.e. phones, computers, printers, etc.
• 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment)

The environment and perks:

• Professional development investment and paid time off for training
• Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, Florida and Hawaii.
• Team building events throughout the year such as Destination Family Events, Holiday Party, Monthly Get-Togethers
• Leadership Team engagement and mentorship
• Performance Recognition Program
• Complimentary branded apparel

Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Job applicants can submit questions about CTI’s equal employment opportunity policy to [e-mail].