job summary: Randstad is seeking a visionary Senior Network Solution Architect to join a premier transportation leader in the Washington, D.C. area (Remote). In this high-impact role, you will act as a strategic "Change Agent," bridging the gap between complex business requirements and enterprise-grade network infrastructure. With a focus on long-term scalability and innovation, you will design formal Conceptual and Solution Network Architectures, present to the Enterprise Architecture Review C