Lead Engineer - Platform

Job Title:

Lead Engineer
- Platform

Job Category:
Information Technology

Time Type:
Full time

Minimum Clearance Required to Start:
None

Employee Type:
Regular

Percentage of

Travel Required:

None

Type of Travel:
None

CACI is seeking a strategic Lead Engineer
- Platform to support the Department of Homeland Security (DHS) Office of the Inspector General (OIG).

This role offers a unique opportunity to provide technical leadership and architectural direction for an enterprise AI and data analytics platform that transforms how federal oversight professionals conduct investigative, audit, and inspection operations. As the Lead Engineer
- Platform, you will architect and lead the technical implementation of AI platform capabilities, enterprise data infrastructure, and cloud solutions that enable mission‑critical oversight functions. You will design OIGChat integration with Azure OpenAI services, establish secure connection patterns between Azure Government and Azure Commercial environments, and oversee the technical integration of analytics, AI/ML services, and dashboarding tools. Leading platform‑level technical decisions, you will coordinate across development teams, security specialists, and government stakeholders to deliver scalable, secure, and compliant solutions.

Working within complex federal cloud environments, you will shape the technical vision and execution strategy for a transformational program of national importance. Join us to make a meaningful impact by architecting the platform foundation that powers next‑generation federal oversight capabilities.

• Lead architecture, engineering, and implementation of DHS OIG AI platform capabilities including OIG Chat, Azure OpenAI integration, Azure AI Foundry services, and mission‑specific AI applications across Azure Government and Azure Commercial/GCC environments
• Design and oversee secure connection patterns and integration architectures between applications hosted in Azure Government and AI model services hosted in Azure Commercial/GCC, ensuring compliance with authorization, security, privacy, and ATO requirements
• Provide technical leadership for platform architecture design and implementation planning including enterprise data platform, analytics integration, dashboarding services, and AI/ML infrastructure to support investigative and oversight missions
• Lead technical options analysis, feasibility assessments, and level‑of‑effort estimates for platform enhancements, new capabilities, and architectural decisions to inform Government prioritization and investment decisions
• Coordinate platform‑level technical decisions and integration points across AI applications, data pipelines, security controls, monitoring infrastructure, and cloud services to ensure cohesive, scalable architecture
• Design and configure cloud infrastructure for AI applications, pilot implementations, and enterprise capabilities including compute, storage, networking, identity management, API management, and service integration patterns
• Support configuration of access controls, role‑based permissions, identity integration (Entra /Azure AD), conditional access policies, and platform‑level security measures consistent with least‑privilege and defense‑in‑depth principles
• Support FedRAMP baseline inheritance, ATO documentation, security control implementation, and compliance validation for platform services to accelerate authorization timelines and reduce assessment burden
• Oversee development and maintenance of comprehensive technical documentation including architecture diagrams, integration specifications, design decisions, API documentation, security architectures, and platform capabilities inventories
• Coordinate with Government stakeholders,…