Senior AI Full Stack Engineer - Hybrid (GC/ US Citizens Eligible to Obtain Clearance)

Job description

The Senior AI Full Stack Engineer will serve as the program’s lead hands-on technical executor for the development, integration, testing, deployment, enhancement, and operational support of secure AI-enabled applications. The individual will implement the standards and architecture patterns established by the Lead AI Engineer or Government architects and will have direct responsibility for core application, RAG pipeline, testing, security, configuration, deployment, and operational deliverables. Key Responsibilities Design, develop, integrate, deploy, operate, and enhance AI-enabled applications and services. Build and maintain LLM integrations, RAG and advanced RAG pipelines, embeddings, semantic retrieval, vector search, agentic workflows, and AI-enabled automation. Develop secure AI applications, APIs, backend services, user interfaces, dashboards, integrations, and workflow components. Provide hands-on development, integration, testing, troubleshooting, deployment, and operational support. Implement model evaluation, hallucination reduction, retrieval-quality tuning, grounding validation, monitoring, and performance optimization. Maintain knowledge-base ingestion and refresh processes, embedding regeneration, vector-database configurations, and retrieval-relevance monitoring. Implement and enforce environment controls across DEV, TEST, STAGING, and PROD. Ensure changes complete applicable unit testing, automated security scanning, model evaluation, accessibility testing, and TEVV gates before production. Manage secrets using approved FedRAMP-authorized secret-management capabilities and prevent hardcoded or shared credentials. Support MLOps workflows, model and prompt versioning, drift detection, retraining support, CI/CD, release documentation, and production monitoring. Conduct code reviews, prompt reviews, technical reviews, troubleshooting, and technical mentoring. Conduct AI-specific adversarial testing, including: Prompt injection Jailbreak attempts Data poisoning Unsafe output Unauthorized disclosure Retrieval manipulation Credential exposure Document findings, implement mitigations, perform retesting, and support release decisions. Support ATO activities, security assessments, vulnerability remediation, privacy documentation, SBOM development, and compliance evidence. Support AI applications that meet Section 508 and WCAG 2.1 Level A and AA requirements. Serve as a Tier 2 and Tier 3 helpdesk escalation resource. Be reachable within two hours for Tier 2 or Tier 3 tickets opened during business hours. Provide after-hours escalation support for critical and high-severity AI incidents. Support production issue triage, root-cause analysis, service restoration, user support, and continuous improvement. Required Experience and Qualifications At least five years of hands-on experience in one or more of the following: AI/ML engineering AI-enabled application development Data engineering Cloud engineering Software engineering Experience must include direct development, integration, testing, or operational support of AI-enabled systems. At least one year of hands-on experience with one or more of the following: Generative AI LLM integration Retrieval-Augmented Generation Model evaluation Agentic AI Production AI systems Strong proficiency in Python . Experience developing AI-enabled applications, APIs, services, integrations, and automation. Experience designing and deploying RAG pipelines, semantic retrieval, embeddings, vector databases, cloud-based AI services, and AI workflow orchestration. Knowledge of AI testing, model evaluation, Responsible AI, AI security controls, and secure enterprise or Federal cloud environments. Experience conducting AI-specific adversarial testing and documenting remediation. Experience operating in FedRAMP-authorized environments and applying the FISMA Moderate NIST SP 800-53 control baseline. Experience developing AI-enabled interfaces conforming to Section 508 and WCAG 2.1 Level A and AA. Experience supporting release management, technical documentation, system monitoring, troubleshooting, and production operations. Mandatory Certification The selected candidate must hold at least one relevant AI, Generative AI, machine learning, data engineering, or cloud AI certification. Acceptable certifications include, but are not limited to: Microsoft Applied Skills or Azure AI certification related to Generative AI AWS Generative AI or Machine Learning certification Google Cloud Generative AI or Machine Learning certification Databricks Generative AI Engineer certification Snowflake SnowPro Core, Advanced Data Engineer, or Advanced Data Scientist certification NVIDIA Generative AI certification Certified Artificial Intelligence Practitioner, or CAIP An equivalent relevant certification The individual must provide an official certificate, publicly verifiable badge, or credential ID as evidence. Work Location and Schedule Primary location: Washington, DC Work arrangement: Hybrid Three days per week on-site Two days per week remote Candidates must support designated on-site sprint activities, demonstrations, stakeholder meetings, governance reviews, and release events. Core availability is 9:00 a.m. to 5 p.m. local time , Monday through Friday, excluding Federal holidays. The individual must support Tier 2 and Tier 3 escalations and may be required to provide after-hours support for critical incidents. Remote work must be performed within the continental United States. Citizenship and Suitability Must be a U.S. citizen or legal permanent resident . Must be eligible to obtain and maintain a favorable Tier 1 background investigation , formerly NACI. Duties involving privileged or higher-risk access may require a Moderate- or High-Risk background investigation. Must satisfy required identity verification, confidentiality, security, training, and onboarding requirements before receiving access. Summary of Benefits 15 PTO days 11 paid holidays Medical Insurance with – 3 options (HSA with $600 Employer Contribution). Dental Insurance with no age limit orthodonture. Vision Insurance through EyeMed in and out of network coverage. Short Term and Long-Term Disability coverage with 100% premium support, Life insurance and AD&D with 100% premium support Supplemental Life Insurance Critical Care and Accident Insurance availability Pet Insurance through Nationwide Employee Assistance Program 401k with enrollment from day one. 4% deferral by company. $1500 Annual Training Budget $1500 Referral bonus Eligibility for annual merit and discretionary bonus Flexible work arrangements Equal Opportunity Employer Minority/Female/Veterans/Disabled About Swingtech Swingtech delivers innovative Information Technology and Professional Support services to a diverse range of clients across the federal and intelligence communities. With over 15 years of trusted experience as a systems integrator, we apply agile methodologies and deep industry insight to help our customers achieve greater efficiency, compliance, and cost savings. At Swingtech, we’re committed to excellence and long-term success for our clients and our team.