Sr. Mechanical Engineer

Why You'll Love This RoleLead with influence - Your expertise will shape energy conservation standards and system optimization strategies used across hundreds of facilities nationwide.See real impact - Your decisions directly reduce energy waste, lower operating costs, and improve occupant comfort in schools, universities, and large institutions.Blend strategy with hands-on engineering - This role goes beyond design. You'll guide controls, HVAC optimization, commissioning, and long-term performance improvements.Work with purpose - Join a mission-driven company that has already saved clients $7.3 billion in energy costs - with a bold goal to double that impact in the next five years.Be the technical authority - Serve as a trusted advisor to clients, internal teams, and leadership on complex mechanical and building systems challenges.About CenergisticCenergistic is a nationally recognized, technology-powered energy conservation company with more than 40 years of proven success. We help organizations reduce purchased utility costs, optimize building performance, and foster a culture of conservation.Our proprietary, data-driven energy management platform - paired with a people-first, behavior-based implementation process - delivers measurable savings, healthier buildings, and long-term operational excellence across thousands of client sites nationwide.The OpportunityCenergistic is seeking a Senior Mechanical Engineer with deep experience in HVAC systems, building automation, and energy performance optimization. In this role, you will provide technical leadership, guide best practices, and serve as a senior engineering resource supporting energy conservation initiatives across commercial and institutional facilities.This role is ideal for an experienced engineer who enjoys mentoring others, solving complex system-level problems, and influencing outcomes at scale.What You'll DoLead the development and implementation of energy conservation standards, protocols, and best practices for healthcare buildingsServe as a senior technical authority for HVAC, mechanical, and building automation system optimizationReview, refine, and approve control strategies and sequences of operation to maximize energy efficiency and system performanceDiagnose and resolve complex HVAC, mechanical, and BAS issues using historical and real-time performance dataProvide technical leadership for commissioning, retro-commissioning, and measurement & verification effortsCollaborate with field engineering teams, controls specialists, client managers, and facilities leadership to drive performance improvementsSupport capital planning, system upgrades, and ROI analysis for client energy initiativesPrepare and present technical assessments, performance reports, and strategic recommendations to internal leadership and clientsMentor and train engineers, energy specialists, and technical staff on HVAC systems, controls, and energy optimization strategiesEnsure compliance with all applicable codes, regulations, safety requirements, and industry standardsBuild and maintain strong relationships with clients, vendors, and regulatory stakeholdersAnticipated travel: 5-8%What We're Looking ForBachelor's degree in Mechanical Engineering10+ years of experience in HVAC engineering, building HVAC systems, energy conservation, or related engineering disciplinesAdvanced knowledge of commercial HVAC systems, including chillers, boilers, air handlers, VFDs, VRF systems, and hydronic systemsExtensive experience with building automation systems and controls platforms (e.g., Tridium/Niagara, Trane, Carrier, Johnson Controls, Siemens, ALC)Proven success optimizing mechanical systems using controls strategies, analytics, and energy management techniquesStrong experience with ROI modeling, energy performance analysis, and capital justificationAbility to review and interpret mechanical drawings, control diagrams, sequences of operation, and BAS graphicsExcellent communication skills with the ability to influence senior stakeholders, clients, and cross-functional teamsAbility to work independently while providing leadership and technical direction to othersPreferred QualificationsProfessional Engineer (PE) license preferredCommissioning or retro-commissioning experienceMeasurement & verification or energy accounting experienceProject management and team leadership experienceExperience in large commercial, institutional, or campus environmentsWhy CenergisticNational platform with local impactLong-term growth and stability in the energy conservation industryOpportunity to influence engineering strategy, not just execute tasksWork alongside passionate professionals committed to sustainability and operational excellence