Principal System Architect

CGI Federal is seeking a Principal System Architect to provide overarching technical leadership architecture direction and modernization strategy for a major federal transformation program. This senior-level role drives system-wide technical design integration decisions cloud alignment modernization patterns and enterprise architectural governance. The Principal System Architect partners across engineering cloud migration DevSecOps security and product teams to architect resilient scalable and secure mission-critical systems.

Enterprise Architecture Leadership

Develop and lead the technical architecture vision strategy and roadmap for large-scale modernization

Define system-wide patterns standards integration approaches and modernization frameworks

Ensure architectures align with cloud-native microservice and security-forward design principles

System Design & Modernization Strategy

Architect end-to-end solutions across application data security and cloud layers

Guide refactoring efforts legacy system decomposition and modernization of mission workloads

Lead development of API architectures interface definitions platform integration points and service boundaries

Technical Governance & Oversight

Establish architecture standards guardrails and decision frameworks for engineering teams

Conduct design reviews validate technical approaches and ensure alignment across workstreams

Provide authoritative direction for engineering decisions impacting scalability performance security and reliability

Cross-Workstream Collaboration

Partner with Full Stack Engineers Cloud Engineers Data Engineers DevSecOps teams QA Automation and Product Leads

Support integration with CI/CD pipelines cloud deployments and platform operations

Provide technical leadership during sprint planning backlog refinement PI planning and release readiness

Performance Security & Compliance

Ensure all system designs meet federal security standards operational constraints and compliance requirements

Lead architectural risk identification and mitigation strategies

Drive performance optimization efforts across system components and cloud infrastructures

Documentation & Technical Artifacts

Produce architecture diagrams system models technical specifications integration matrices and decision records

Maintain architecture documentation supporting audits engineering continuity and future enhancements

Present architectural guidance to leadership and mission stakeholders

Must have an Active Top Secret Security Clearance

U.S. Citizenship

Bachelors degree and 12 years of experience in enterprise architecture software engineering or system design

Extensive experience architecting large-scale complex cloud-enabled systems

Expertise across application integration data cloud and security architecture domains

Hands-on experience with modern frameworks microservices distributed systems and API design

Strong understanding of DevSecOps CI/CD and cloud platform engineering (AWS preferred)

Exceptional communication and leadership skills for guiding multi-team technical direction

Preferred Qualifications

Experience supporting federal modernization or national-security programs

Deep knowledge of cloud-native architectures containerization (Docker) orchestration (Kubernetes) or serverless

Familiarity with large-scale data pipelines ETL frameworks and legacy modernization patterns

Experience producing technical approaches for program deliverables (Transition-In RTM CVM design artifacts)

Due to the nature of this government contract US Citizenship is required.
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