Sr. Critical Infrastructure Engineer

JLL empowers you to shape a brighter way.Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented peopleand empowering them tothrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Position OverviewWe are seeking an experienced Senior Engineer to support a dedicated client account, with day-to-day reporting to our NYC offices. This role will support and contribute to the technical execution of critical facilities operations and of construction and renovation projects.Key Responsibilities* Manage the delivery of critical facilities services to the assigned portfolio in accordance with all agreed policies, procedures and contract scope.* Act as a primary point of contact for the client and facility professionals * Develop, cultivate, and own key relationships with landlords, property management companies, and third-party service providers and vendors. * Collaborate with cross-functional teams to develop and implement comprehensive technical solutions that meet client requirements. * Perform field work, including onsite electrical equipment and operational assessments, supervision of electrical equipment maintenance, testing and commissioning activities, set power meters and record measurements on electrical services and equipment. * Perform field work, including onsite mechanical equipment and operational assessments, supervision of mechanical equipment maintenance, testing and commissioning activities. * Prepare detailed reports and documentation, including maintenance schedules, equipment logs, and service records, to ensure compliance and facilitate decision-making. * Manage Building Management System (BMS) for facility operations Project Management & Execution * Support all technical and engineering aspects of assigned projects from initiation through closeout * Develop detailed project scopes, schedules, and budgets for construction and renovation work * Coordinate with architects, engineers, contractors, and vendors throughout project lifecycle * Conduct regular site inspections to monitor construction progress and quality * Review shop drawings, submittals, and product specifications Technical Oversight * Review design documents, drawings, and specifications for accuracy and constructability * Ensure all work complies with applicable building codes, regulations, and safety standards * Resolve technical issues and provide engineering solutions during construction * Coordinate building system tie-ins (HVAC, electrical, plumbing, life safety, IT/data) * Perform commissioning oversight and punch list management Stakeholder Coordination * Serve as a technical liaison for the client account * Coordinate with property management, facilities teams, and internal JLL resources * Prepare and deliver project status reports and presentations * Maintain strong client relationships through proactive communication Documentation & Compliance * Maintain accurate and complete project documentation and records * Ensure proper close-out documentation including as-builts, warranties, and O&M manuals * Track project milestones and deliverables * Support audit and compliance requirements Preferred Qualifications * Bachelor's degree in Engineering (Civil, Mechanical, Electrical, or related discipline) * 5-10 years of progressive project engineering experience in commercial real estate or corporate facilities * Strong technical knowledge of building systems (HVAC, electrical, plumbing, life safety) * Proven ability to read and interpret architectural and engineeri