Senior Mechanical Project Manager

STV is seeking a Senior Mechanical Project Manager to join our Buildings Division in Los Angeles, California. Placement with our San Francisco or Bellevue office will also be considered. This senior leadership role combines technical excellence, project management, client relationship management, business development, and team leadership. The successful candidate will lead the planning, design, and delivery of complex building projects across a diverse portfolio that includes Healthcare, Civic/Municipal, Transportation, Federal, Justice, Science & Technology, and Commercial facilities. This position offers the opportunity to lead high-profile projects, mentor engineering professionals, develop strong client relationships, and contribute to the continued growth of STV's Buildings practice throughout California and the Western Region. Primary Responsibilities Project Leadership & Client Management · Serve as Project Manager for major building projects and multidisciplinary teams. · Develop and maintain strong client relationships, serving as a trusted advisor throughout project delivery. · Lead client meetings, presentations, design workshops, and project strategy discussions. · Manage project scope, schedule, budget, resources, and overall project performance. · Coordinate with architects, engineers, owners, contractors, and regulatory agencies throughout all phases of project execution. · Monitor project financial performance and implement strategies to maximize project success and client satisfaction. · Identify opportunities for repeat business and support strategic business development initiatives. Mechanical Engineering & Technical Excellence · Lead the design and coordination of HVAC, plumbing, fire protection, and related mechanical systems for complex facilities. · Direct the development of engineering studies, calculations, technical reports, specifications, and construction documents. · Ensure compliance with applicable building codes, industry standards, owner requirements, and regulatory criteria. · Oversee Quality Assurance and Quality Control (QA/QC) processes for all mechanical deliverables. · Develop innovative, sustainable, and energy-efficient engineering solutions that enhance building performance and resiliency. · Provide technical leadership during construction, including review of submittals, RFIs, shop drawings, commissioning activities, and field observations. Team Leadership & Staff Development · Lead, mentor, and develop engineers and designers throughout project design, delivery, and client engagement activities. · Foster a collaborative, high-performance culture focused on technical excellence and professional growth. · Assist with recruiting, onboarding, performance management, succession planning, and workforce development. · Coordinate staffing and resource allocation to effectively support project and departmental objectives. Business Development & Proposal Leadership · Lead proposal development efforts, including technical approaches, staffing plans, fee estimates, schedules, and project execution strategies. · Prepare and review scopes of work, labor projections, and project budgets. · Participate in client pursuits, interviews, presentations, and industry networking activities. · Support strategic growth initiatives and help expand STV’s presence across key market sectors. Required Qualifications · Bachelor's degree in Mechanical Engineering from an ABET-accredited university. · Professional Engineer (PE) license in California preferred; Oregon or Washington PE registration with the ability to obtain California reciprocity will also be considered (within 3 months of hire). · Minimum 15 years of experience in the design and delivery of mechanical systems for large, complex facilities. · Minimum 7 years of experience leading multidisciplinary engineering teams as a Project Manager, Discipline Lead, or Engineering Manager. · Demonstrated success managing projects from planning and design through construction and project closeout. · Strong knowledge of HVAC systems, plumbing systems, central utility plants, building performance, and sustainable building design. · Proven ability to manage project budgets, schedules, staffing, technical quality, and client relationships. · Excellent leadership, communication, presentation, and interpersonal skills. · Strong analytical, organizational, and problem-solving abilities. · Ability to effectively manage multiple priorities in a fast-paced environment. · Proficiency with Microsoft Office Suite, including Word, Excel, PowerPoint, and Outlook. Preferred Qualifications · Experience delivering projects within Healthcare, Civic/Municipal, Transportation, Federal, Justice, Science & Technology, and Commercial market sectors. · Working knowledge of Revit, AutoCAD, Bluebeam, and BIM coordination platforms. · Knowledge of sustainable design principles, building electrification, decarbonization strategies, and high-performance building systems. · Familiarity with California Title 24 Energy Codes and related sustainability requirements. · LEED Accredited Professional (LEED AP), Envision Sustainability Professional (ENV SP), ASHRAE High Performance Building Design Professional (HBDP), or similar credential preferred. · Experience supporting net-zero, resiliency, sustainability, or high-performance building initiatives. Ideal Candidate The ideal candidate is a client-focused engineering leader who combines technical expertise with strong project management and business development capabilities. They possess a proven record of delivering complex building projects, cultivating long-term client relationships, mentoring technical staff, and leading multidisciplinary teams to successful outcomes. This individual will play a critical role in advancing STV’s strategic growth while continuing to build a culture of technical excellence, innov