Principle 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. This position is located in Huntsville, AL.

Your future duties and responsibilities:

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 leader

• Must have an Active Top Secret Security Clearance
• U.S. Citizenship
• Bachelor’s 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 Desired qualifications/non essential skills required: 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., * Amazon Web Services Cloud

• Business Architecture
• Cloud architecture
• Communication
• Infrastructure architecture

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $100,800.00 $223,200.00. CGI Federal’s benefits are offered to eligible professionals on their first day of employment to include: . Competitive compensation . Comprehensive insurance options . Matching contributions through the 401(k) plan and the share purchase plan . Paid time off for vacation, holidays, and sick time . Paid parental leave . Learning opportunities and tuition assistance . Wellness and Well being programs #CGIFederalJob #LI-DD1 #CGIFBICareers #DataMigration #ClearanceJobs

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team-one of the largest IT and business consulting services firms in the world.