Senior Manager, Environmental Compliance

CyrusOne is seeking an experienced and strategic Senior Manager, Environmental Compliance to support environmental due diligence initiatives across our expanding U.S. data center portfolio. This role will support our site due diligence teams with evaluating site development risks and strategies related to environmental permitting and compliance, while advancing CyrusOne ’s commitment to sustainable development, risk management, and operational excellence. Essential Functions Further develop and implement standardized procedures, tools, and training programs to support environmental due diligence and permitting across CyrusOne ’s U.S. portfolio. Provide subject matter expertise on environmental assessments and permitting, including Phase I and Phase II Environmental Site Assessments (ESAs), noise impact analyses, air permitting, water and wastewater permitting, and wetlands. Partner cross-functionally with Design, Construction, Operations, and Legal teams to ensure environmental requirements are clearly defined, communicated, and integrated into project planning, execution, and turnover. Represent CyrusOne in external stakeholder engagements, including interactions with regulatory agencies, local governments, community groups, and public hearings as needed. Track, interpret, and advise on changes to U.S. environmental regulations and policy, and develop compliance strategies accordingly. Minimum Requirements Experience / Skills 10+ years of experience in environmental permitting, compliance, and due diligence, preferably within data centers, infrastructure, energy, or large-scale industrial development. Strong working knowledge of environmental regulations, with subject matter expertise in air quality and/or environmental noise. Experience managing environmental permitting for data centers or other high-impact, mission-critical infrastructure is strongly preferred. Demonstrated ability to translate complex regulatory requirements into clear, actionable guidance for t