Ai Data Rater Jobs in Maryland (NOW HIRING)

Our Mission Statement
At Aperio Global, we bring together experts in cybersecurity, AI, data analytics, and cloud technologies to solve complex national security challenges. We focus on work where our expertise creates the greatest impact.
Our team includes technologists, Intelligence Community veterans, and security professionals who believe the best solutions come from collaboration, accountability, and technical excellence. From cyber operations and AI platforms to cloud-native software and emerging technologies, our work speaks for itself.
Come Solve With Us
We offer competitive pay, comprehensive benefits, retirement savings with company match, generous paid time off, and professional development. We invest in our people because great missions require great teams.
AI Engineers - Multiple Levels (SWE2 / SWE3)
TS SCI + Polygraph REQUIRED
Linthicum Heights, MD
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
Please Note: This role requires an active TS SCI with POLYGRAPH. You must have this clearance prior to applying to be considered.
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.
We are an equal opportunity employer. All qualified applicants will be considered without regard to race, color, religion, sex, national origin, age, disability, or veteran status.
Salary: $127,000 - $200,000
Level-Experience:
AI Engineer (SWE2) - Mid-level Bachelor's + 5 years
Senior AI Engineer (SWE3) - Senior Bachelor's + 8 years
The salary range for this role represents Aperio's good-faith estimate of compensation at the time of posting. Placement within the range is based on multiple factors, including but not limited to an individual's qualifications, relevant experience, education, certifications, technical skills, contract labor categories and/or rates, work location, market conditions, and business needs.
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)

Aperio Global is an equal opportunity employer. We are committed to building an inclusive workforce where all employees and applicants are treated with respect and fairness. Employment decisions are based solely on qualifications, merit, and business needs - never on race, color, religion, sex, national origin, age, disability, genetic information, military or veteran status, pregnancy/childbirth, sexual orientation, gender identity, marital status, ethnicity, or any other characteristic protected by applicable federal, state, or local law.