Senior Project Manager, Mechanical Systems

Mantis Innovation•Burlington, MA

2d•$125,000 - $160,000•Hybrid

About The Position

Mantis Innovation is hiring a Senior Project Manager, Mechanical Systems to own delivery of mechanical, utility, and energy infrastructure projects from the first site visit through closeout. This senior, client-facing role translates complex facility needs into well-scoped, financially sound projects and leads engineering resources, contractors, and field execution to deliver safely, on schedule, and within budget. The position serves as the primary point of accountability for a portfolio of commercial, industrial, and public-sector projects; guides clients through investment decisions; manages project financials and risk; and mentors project engineers and coordinators. The role develops and oversees projects involving HVAC, central plants, utilities, and energy efficiency, including site surveys, feasibility studies, investment-grade estimates, design oversight, construction, commissioning, and closeout. It also manages budgets, schedules, contractor performance, change control, client relationships, and follow-on opportunities. Frequent local travel to client sites throughout the greater Connecticut-Massachusetts area is expected, with occasional regional or overnight travel. Work generally takes place during standard business hours, with flexibility and occasional early, evening, or extended hours as project needs require. The work environment combines office, remote, client-site, and field settings.

Requirements

Bachelor’s degree in mechanical engineering, construction management, or a related technical field, or an equivalent combination of education and experience.
At least 8 years of experience in the design, construction, or delivery of mechanical, utility, energy efficiency, or related infrastructure projects.
At least 5 years managing projects from development through closeout.
Strong working knowledge of HVAC, boilers, chillers, piping, controls, and central plant equipment.
Demonstrated experience managing project budgets, schedules, change orders, and contractors on commercial and/or industrial projects.
Experience developing cost estimates, savings calculations, and project economics, including lifecycle cost, simple payback, and ROI.
Ability to read and interpret construction drawings, specifications, and scopes of work.
Strong written and verbal communication skills, including presenting technical and financial recommendations to clients and leadership.
Valid driver’s license and ability to travel regularly to client sites.

Nice To Haves

Professional Engineer (PE) license, Project Management Professional (PMP), Certified Energy Manager (CEM), LEED AP, or similar credential.
OSHA 10-Hour Construction certification.
Experience with mechanical retrofits in occupied or operating facilities, such as healthcare, transit, higher education, industrial, or public-sector sites.
Experience with utility incentive programs, performance contracting, or design-build delivery.
Proficiency with project management, scheduling, and estimating software such as Procore, Microsoft Project, or similar tools.

Responsibilities

Lead site surveys and collect technical, operational, utility, and cost data to establish project baselines and define client needs.
Analyze facility infrastructure, utility systems, and operating conditions to identify energy, water, reliability, and operational improvement opportunities.
Direct feasibility studies and technical evaluations for HVAC, central plant, utility modernization, and energy efficiency projects.
Develop project scopes, engineering assumptions, savings calculations, lifecycle cost analyses, and investment-grade cost estimates.
Prepare and present technical recommendations, project economics, and business cases for client decisions and proposals.
Identify and incorporate utility incentives, rebates, grants, and other funding sources into project economics.
Lead design engineering for approved projects, ensuring technical quality, code compliance, constructability, and alignment with objectives.
Manage internal and external engineering resources to deliver design work on schedule and within scope.
Review drawings, specifications, scopes of work, RFIs, and submittals for alignment with design intent and project requirements.
Manage mechanical construction, retrofit, and infrastructure project execution, including HVAC systems, boilers, chillers, piping, controls, and equipment replacements.
Develop and maintain project schedules, short-term work plans, site logistics, and contractor coordination.
Select, coordinate, and hold contractors and vendors accountable for scope, quality, safety, and schedule performance.
Enforce site safety requirements and resolve field safety, quality, access, and constructability issues, escalating unresolved concerns with recommended actions.
Coordinate startup, commissioning, turnover, and closeout with clients, contractors, and facility teams.
Own project budgets, cost forecasts, and margin, and report status and variances to leadership.
Track field changes, contractor impacts, and cost exposure; negotiate and manage change orders; and support accurate billing and financial reporting.
Monitor project risks, schedule impacts, and open issues, and communicate status and recommended actions to stakeholders.
Serve as the primary client contact from project development through closeout and build long-term relationships.
Identify follow-on opportunities and support business development, proposals, and client presentations.
Mentor project engineers and coordinators and contribute to improving project delivery standards, tools, and processes.
Meet stated performance outcomes for development quality, project pipeline, schedule and budget, risk and change control, project records, client outcomes, and team development.