Principal Network Engineer

Overview Fleet Data Centers designs, builds and operates mega-scale data center campuses. Fleet provides its customers flexibility and predictability to meet their upside demand forecasts, addressing a key need in the market as traditional leased models are struggling to keep pace with the demand for new Cloud and AI infrastructure. Fleet is led by a team of industry veterans that have already made a lasting imprint on the evolution of global digital infrastructure and are committed and uniquely capable of upleveling data center development scale and operations in the face of rising demand. Fleet is well positioned to bring in-house design, engineering and operational capabilities to collaborate with customers on tailored solutions for campuses of 500MW+. This unique model enables Fleet to provide the world's largest and most sophisticated customers a seamless extension of their own data center fleets with constant access to design innovation. Fleet is headquartered in Denver, Colorado, with satellite offices in Seattle, WA and Arlington, VA. Position Overview: The Principal Network Engineer will be responsible for the architecture, design, deployment, and long-term technical ownership of Fleet Data Centers' network infrastructure supporting our hyperscale data center campuses. This role will serve as Fleet's subject matter expert for fiber infrastructure, structured cabling systems, carrier connectivity, and operational technology (OT) networks, including IoT, BMS, and EPMS environments. The successful candidate will partner closely with customers, Product, Design, Construction, Operations, and external service providers to develop scalable, resilient, and secure network solutions that support Fleet's growing portfolio of campuses. This individual will establish technical standards, evaluate emerging technologies, guide complex infrastructure decisions, and provide technical leadership throughout the full project lifecycle from planning and design through construction, commissioning, and operations. This role is highly technical and hands-on, requiring deep expertise in fiber infrastructure design, network architecture, and mission-critical environments. The Principal Network Engineer will serve as Fleet's technical authority for network infrastructure, ensuring network solutions meet the performance, reliability, and scalability requirements of the world's largest cloud and AI customers. Key Responsibilities: Network Architecture & Design: Develop and maintain network architecture standards for Fleet's hyperscale data center campuses. Network Architecture & Design: Create network design drawings, rack elevations, and site infrastructure documentation. Network Architecture & Design: Review due diligence materials and drive network scope definition according to project requirements. Network Architecture & Design: Design scalable, resilient, and secure network infrastructure supporting Fleet's campus operations, fiber…