Agile Release Train Senior System Architect

The Opportunity:
CACI is seeking an accomplished Senior System Architect to lead the end‑to‑end technical design and architectural governance of a cloud‑native, web‑based customer system. This position oversees system architecture, API strategy, data integration frameworks, modernization patterns, and technical alignment across multiple development teams. The architect will drive technology decisions, ensure system scalability and security, and guide engineering teams in building a resilient and extensible enterprise solution.
Responsibilities:

• 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.

Qualifications:
Required: 

• 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.

Desired:

• Active AWS Certified Solutions Architect – Professional certification

• Experience modernizing data systems for DoW customers.

• Experience utilizing low-code platforms to support rapid prototyping and/or solution development.

• Familiarity with Zero Trust, IL5 boundary conditions, ICAM integration, and RMF compliance.

• Experience working in Agile/SAFe environments with DevSecOps pipelines.

Working Conditions

• Hybrid work with support at CACI facilities, customer sites, or remote depending on project needs.

• May require infrequent travel for technical workshops, customer engagement, or integration events.

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:

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.