Senior System Architect

CACI International Inc

Senior System Architect leading design and governance for cloud-native applications at CACI. Driving architecture decisions and guiding multiple development teams to ensure scalability and security.

Posted 7/4/2026full-time🇺🇸 United StatesSenior💰 $114,600 - $252,100 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudCyber SecurityMicroservices

About the role

Key responsibilities & impact

Lead the overarching technical architecture for the cloud‑native web application development, ensuring scalability, maintainability, and alignment with mission needs.
Define architectural standards, modernization patterns, and engineering best practices across all system modules.
Oversee API strategy including REST, OpenAPI specifications, authentication flows, and shared service integration patterns.
Architect integration solutions with external systems including information systems, identity management platforms, and government partner services.
Evaluate cloud-native design options and guide teams in implementing microservices, event-driven patterns, and secure data exchange.
Direct the engineering approach for CI/CD pipelines, DevSecOps models, and automated testing frameworks.
Provide senior technical oversight on application development, code quality, database design, and infrastructure dependencies.
Partner with Managers, Release Train Engineers, and Security Engineers to align architecture with customer requirements, standards and capability roadmaps.
Support development of architectural decision records (ADRs), as needed, and participate in technical review boards, compliance assessments, and solution engineering.
Ensure compliance with DoW cybersecurity controls, Zero Trust principles, encryption‑in‑flow / at‑rest, boundary protection, and audit requirements.
Support PI Planning, cross‑team coordination, and technical risk management within the Agile Release Train.
Serve as a senior technical advisor to project personnel and customer for long‑term platform evolution.

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Engineering, or related technical discipline.
10+ years of experience in software engineering, architecture, of enterprise web system design.
Ability to obtain and maintain a Secret Clearance.
Proven experience architecting cloud‑native web applications using AWS.
Extensive experience of web technology stacks.
Strong expertise in API architecture, integration frameworks, service mesh patterns, and identity/access management protocols (OAuth2, OIDC).
Hands‑on experience designing integrations with external systems using event streaming, REST APIs, or secure messaging.
Deep understanding of distributed system design, microservices, containers, orchestration, and application security.
Experience deploying and supporting large‑scale enterprise applications in mission‑critical environments.
Ability to mentor engineering teams, lead technical reviews, and guide modern development practices.

Benefits

Comp & perks

healthcare
wellness
financial
retirement
family support
continuing education
time off benefits

ATS Keywords

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Hard Skills & Tools

Software EngineeringEnterprise Web System DesignEvent-Driven PatternsREST APIsOAuth2OIDCContainers and OrchestrationDatabase DesignAutomated Testing FrameworksCybersecurity Compliance

Soft Skills

Mentoring Engineering TeamsTechnical Review LeadershipCross-Team Coordination

Certifications

Bachelor’s Degree in Computer ScienceAbility to Obtain Secret Clearance