Senior AI Engineer

Location: Washington, DC metropolitan area; hybrid, with on-site work at Government offices three days per week. Must be a U.S. citizen or lawful permanent resident and able to obtain and maintain a NACI (Tier 1) background investigation.

Company

hirify.global is a mission-focused technology services company delivering secure digital platforms, infrastructure, operational IT services, application modernization, and data platforms for government organizations.

What you will do

• Design, develop, integrate, and deploy AI-enabled applications and services using LLM integrations, RAG pipelines, embeddings, vector search, and agentic workflows.
• Evaluate and optimize models and retrieval systems, reduce hallucinations, tune retrieval quality, compare models, and improve performance.
• Lead adversarial AI security testing for prompt injection, jailbreaks, data poisoning, and unsafe outputs; document and mitigate findings.
• Enforce DEV-to-PROD promotion controls, including security scans, testing, and TEVV gates.
• Support MLOps workflows covering model versioning, drift detection, retraining, and release documentation.
• Provide Tier 2/Tier 3 production support, incident response, root-cause analysis, code and prompt reviews, mentoring, and engineering deliverables.

Requirements

• Bachelor’s degree in Engineering, Computer Science, Systems, or a related technical discipline and 5+ years of relevant experience; three additional years of relevant experience may substitute for the degree.
• 5+ years of hands-on experience in AI/ML engineering, AI-enabled application development, data engineering, cloud engineering, or software engineering, including direct development, testing, and operational support of AI-enabled systems.
• 1+ year of hands-on experience with Generative AI, LLM integration, RAG, model evaluation, agentic AI, or production AI systems.
• Strong Python proficiency and experience developing AI-enabled applications, APIs, services, and automation.
• Experience with RAG pipelines, semantic retrieval, vector databases, cloud-based AI services, and AI workflow orchestration.
• Experience conducting AI-specific adversarial testing and documenting mitigations.
• Experience with FedRAMP-authorized environments and the FISMA Moderate NIST SP 800-53 control baseline.
• Experience developing AI-enabled user interfaces conforming to Section 508 and WCAG 2.1 A and AA, plus release management and operations experience.
• At least one current Generative AI or Machine Learning certification with verifiable evidence.
• Must be a U.S. citizen or lawful permanent resident, reside in the Washington, DC metropolitan area, work on-site at Government offices, and be able to obtain and maintain a NACI (Tier 1) background investigation.

Nice to have

• Master’s degree in a related field and 7+ years of experience, including federal agency program support.
• Experience with LangGraph, LlamaIndex, Semantic Kernel, Model Context Protocol, vLLM, or TGI.
• Experience with multimodal AI, including document layout, OCR/vision, audio, and structured evaluation.
• Experience supporting Authority to Operate documentation and vulnerability remediation.
• Active NACI (Tier 1) or prior federal background investigation.

Culture & Benefits

• Hybrid work with three days per week on-site in the Washington, DC metropolitan area.
• Medical, dental, vision, FSA, HSA, disability, life, AD&D, and critical illness insurance.
• Retirement plan with a 4% match and discretionary year-end match.
• 15 days of accrued PTO per year, seven holidays, three floating holidays, two paid innovation training days, and paid parental and jury duty leave.
• Training and development, wellness incentives, discount programs, referral rewards, charity donation matching, and recognition programs.