Lead Engineer - Platform

CACI International Inc; Washington (District of Columbia); On-site; USD 115,000 - 252,000; Full time

Job summary

CA CI International Inc. is seeking a Lead Engineer - Platform to architect and implement an enterprise AI and data analytics platform for the DHS Office of the Inspector General.

The role focuses on Azure OpenAI integration, secure cross-environment connectivity, and scalable, compliant cloud solutions. You will lead platform-level decisions, coordinate across AI applications, data pipelines, and security controls, and work with government stakeholders to drive the vision and execution of

Qualifications

• Bachelor's degree or higher; 15+ years in cloud architecture/platform engineering or equivalent
• Proven technical leadership delivering enterprise-scale cloud platforms and AI/ML infra
• Deep expertise in Microsoft Azure compute, storage, networking, identity, and AI services

Responsibilities

• Lead architecture, engineering, and implementation of DHS OIG AI platform capabilities
• Design secure connection patterns between Azure Government and Azure Commercial environments
• Provide platform architecture design and planning for data, analytics, and AI/ML infra
• Coordinate platform-level decisions across AI apps, data pipelines, security controls, and cloud services
• Oversee documentation and alignment with enterprise architecture standards

Skills

Cloud architecture

Azure services

AI/ML infrastructure

Security architecture

Federal cloud

Education

Bachelor's degree

Master's degree

Tools

Azure OpenAI

Azure Government

Entra ID

Azure AD

AKS

Job description

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

The Opportunity

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.

Responsibilities

• 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 ID/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, cybersecurity teams, M365/Azure administrators, and cross-functional development teams to align technical solutions with enterprise architecture standards, security policies, and Agile delivery processes

Qualifications

Required –

• Bachelor's degree + 15 years of experience in cloud architecture, platform engineering, software engineering, or related field equivalencies considered (Master's + 12 years; 21 years with no degree; AA + 17 years)
• Proven technical leadership experience architecting and delivering enterprise-scale cloud platforms, AI/ML infrastructure, or data analytics solutions with demonstrated ability to lead engineering teams and coordinate cross-functional efforts
• Deep expertise in Microsoft Azure services including compute (App Services, Functions, AKS), storage (Blob, Data Lake), networking (VNets, private endpoints), identity (Entra ID), AI services (Azure OpenAI, AI Foundry), and platform integration patterns
• Extensive experience designing secure architectures for federal cloud environments including Azure Government and Azure Commercial with understanding of boundary controls, cross-tenant connectivity, and data residency requirements
• Strong background in platform security, identity and access management, API design, microservices architectures, and integration patterns with ability to balance innovation with security and compliance requirements

Desired

• Experience architecting AI/ML platforms, LLM-based applications, or RAG (Retrieval-Augmented Generation) architectures with integration between AI services and enterprise data platforms
• Hands-on experience with FedRAMP authorization processes, ATO support, NIST 800-53 control implementation, and compliance in federal environments with understanding of inherited controls and continuous monitoring
• Background in federal government, law enforcement, or national security environments with understanding of mission-driven architectures, sensitive data handling, and coordination with government enterprise IT teams

What You Can Expect

A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.

An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The Proposed Salary Range For This Position Is

$114,600-$252,100

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.