Infleqtion is a leader in Cold Atom Quantum Technology-the most scalable and commercially viable area of quantum. We develop quantum information processing systems, precision timekeeping, and quantum sensing solutions. With offices in Boulder, CO; Madison, WI; Chicago, IL; London, UK; and Melbourne, AU, we operate globally to drive innovation in quantum technology. As a deep-tech startup, Infleqtion embraces a results-driven, fast-paced, and customer-focused approach to innovation. We seek an experienced Program Manager to coordinate and manage proposal activities and support the execution of multidisciplinary government and commercial R&D projects. Primary Responsibilities: * Coordinate and manage proposal development, including collaboration on technical content, work plans, statements of work (SOWs), project management plans, quality assurance plans, risk management strategies, and cost estimates. * Upon project award, support technical leads in project execution, including budgeting, scheduling, purchasing, inventory management, subcontract management, staffing, project coordination (e.g., scrum management), progress reporting, and overall communication with stakeholders. * Serve as the primary liaison for established customers, partners, subcontractors, and vendors, assessing and managing subcontractor performance. Internally, act as the key point of contact between programs and stakeholders in finance, facilities, and legal * Coordinate cross-project resources, indirectly influencing and guiding teams to ensure on-time achievement of milestones and deliverables. * Closely monitor scope and manage change within project contracts, ensuring customer satisfaction. * Conduct risk assessments and develop mitigation strategies to maintain schedules and deliverables. * Engage regularly with technical leaders to ensure alignment of resources with technical objectives. * Contribute to business forecasts and product/technology roadmaps.